Form990


Department of the TreasuryInternal Revenue Service
Return of Organization Exempt From Income Tax
Under section 501(c), 527, or 4947(a)(1) of the Internal Revenue Code (except private foundations)
Do not enter social security numbers on this form as it may be made public.
Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
2024
Open to Public Inspection
A For the 2024 calendar year, or tax year beginning 01-01-2024 , and ending 12-31-2024
BCheck if applicable:
CName of organization
ENDOCRINE SOCIETY
 
 
Doing business as
 
 
Number and street (or P.O. box if mail is not delivered to street address)
2055 L STREET NW NO 600
 
Room/suite
City or town, state or province, country, and ZIP or foreign postal code
WASHINGTON, DC20036
D Employer identification number

73-0531256
E Telephone number

G Gross receipts $ 31,331,098
F Name and address of principal officer:
KATE FRYER
2055 L STREET NW NO 600
WASHINGTON,DC20036
I
Tax-exempt status: (   ) (insert no.) or
J
Website:
WWW.ENDOCRINE.ORG
H(a)
Is this a group return for
subordinates?
H(b)
Are all subordinates
included?
If "No," attach a list. See instructions.
H(c)
Group exemption number  
K Form of organization:  
L Year of formation: 1918
M State of legal domicile: DE
Part I
Summary
Activities & Governance 1 Briefly describe the organization’s mission or most significant activities: SEE PART III, LINE 1
2 Check this box
3 Number of voting members of the governing body (Part VI, line 1a) ........ 3 16
4 Number of independent voting members of the governing body (Part VI, line 1b) ..... 4 12
5 Total number of individuals employed in calendar year 2024 (Part V, line 2a) ...... 5 89
6 Total number of volunteers (estimate if necessary) ............. 6 2,705
7a Total unrelated business revenue from Part VIII, column (C), line 12 ........ 7a 1,362,777
b Net unrelated business taxable income from Form 990-T, Part I, line 11 ......... 7b 566,078
Revenues Prior Year Current Year
8 Contributions and grants (Part VIII, line 1h) ......... 6,074,359 948,804
9 Program service revenue (Part VIII, line 2g) ......... 18,635,971 23,729,088
10 Investment income (Part VIII, column (A), lines 3, 4, and 7d ) .... 2,681,133 1,817,053
11 Other revenue (Part VIII, column (A), lines 5, 6d, 8c, 9c, 10c, and 11e) 1,033,442 837,174
12 Total revenue—add lines 8 through 11 (must equal Part VIII, column (A), line 12) 28,424,905 27,332,119
Expenses; 13 Grants and similar amounts paid (Part IX, column (A), lines 1–3 )... 280,262 235,298
14 Benefits paid to or for members (Part IX, column (A), line 4)..... 0 0
15 Salaries, other compensation, employee benefits (Part IX, column (A), lines 5–10) 12,716,880 14,144,544
16a Professional fundraising fees (Part IX, column (A), line 11e) ..... 0 0
b Total fundraising expenses (Part IX, column (D), line 25) 969,664    
17 Other expenses (Part IX, column (A), lines 11a–11d, 11f–24e).... 16,147,935 14,492,041
18 Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25) 29,145,077 28,871,883
19 Revenue less expenses. Subtract line 18 from line 12....... -720,172 -1,539,764
Net Assets or Fund Balances; Beginning of Current Year End of Year
20 Total assets (Part X, line 16)............. 76,722,016 81,408,678
21 Total liabilities (Part X, line 26)............. 20,928,259 22,690,002
22 Net assets or fund balances. Subtract line 21 from line 20..... 55,793,757 58,718,676
Part II
Signature Block
Under penalties of perjury, I declare that I have examined this return, including accompanying schedules and statements, and to the best of my knowledge and belief, it is true, correct, and complete. Declaration of preparer (other than officer) is based on all information of which preparer has any knowledge.
Sign Here
Signature of officer Date
Type or print name and title
Paid Preparer Use Only
Print/Type preparer's name
Preparer's signature
Date
PTIN
Firm's name

Firm's EIN
Firm's address



Phone no.
May the IRS discuss this return with the preparer shown above? See Instructions. ..........
For Paperwork Reduction Act Notice, see the separate instructions.
Cat. No. 11282Y Form 990 (2024)
Form 990 (2024)
Page 2
Part III
Statement of Program Service Accomplishments
Check if Schedule O contains a response or note to any line in this Part III..............
1
Briefly describe the organization’s mission: WE UNITE, LEAD, AND GROW THE ENDOCRINE COMMUNITY TO ACCELERATE SCIENTIFIC BREAKTHROUGHS AND IMPROVE HEALTH WORLDWIDE.
2
Did the organization undertake any significant program services during the year which were not listed on
the prior Form 990 or 990-EZ? .....................
If "Yes," describe these new services on Schedule O.
3
Did the organization cease conducting, or make significant changes in how it conducts, any program
services? ...........................
If "Yes," describe these changes on Schedule O.
4
Describe the organization’s program service accomplishments for each of its three largest program services, as measured by expenses. Section 501(c)(3) and 501(c)(4) organizations are required to report the amount of grants and allocations to others, the total expenses, and revenue, if any, for each program service reported.
4a (Code:   ) (Expenses $ 8,593,131 including grants of $ 0 ) (Revenue $ 12,185,774 )
EDUCATION, PROGRAMS, AND MEETINGSTHE ENDOCRINE SOCIETY SERVES A ROBUST PORTFOLIO OF PROFESSIONAL, CLINICAL, AND SCIENTIFIC PROGRAMS FOR THE GLOBAL ENDOCRINE COMMUNITY. OUR PRIMARY AUDIENCE IS COMPOSED OF BASIC SCIENTISTS, CLINICIANS, AND PHYSICIAN RESEARCHERS WITHIN THE DISCIPLINE, AS WELL AS PRIMARY/ADVANCED PRACTICE PROVIDERS WHO TREAT AND CARE FOR THOSE WITH ENDOCRINE-RELATED DISEASES AND CONDITIONS. TO THAT END, OUR PORTFOLIO IS BROAD AND DEEP, PLACE-BASED AND DIGITAL, TAILORED TO WORLDWIDE AUDIENCES, AND ANCHORED IN THE LATEST/EMERGING SCIENCE. EACH YEAR WE HOST OUR FLAGSHIP CONFERENCE, ENDO, WHICH ATTRACTS MORE THAN 7000 ATTENDEES FROM AROUND THE GLOBE. THIS SIGNATURE EVENT IS REGARDED AS THE PREMIER SCIENTIFIC EVENT FOR ENDOCRINOLOGISTS AND BOASTS TOP-FLIGHT EDUCATION AND CUTTING-EDGE RESEARCH LED BY 400+ EXPERTS, A BUSTLING EXHIBITION CENTER, AS WELL AS PROFESSIONAL AND SOCIAL NETWORKING EXPERIENCES. ENDO 2025 (SAN FRANCISCO, CALIFORNIA) WAS NO EXCEPTION AND ENDO 2026 IS SET TO DELIVER ANOTHER BANNER PERFORMANCE.A SMALL SAMPLING OF OTHER HIGH-PROFILE PROGRAMS INCLUDE CLINICAL ENDOCRINOLOGY UPDATE (ONLINE CONFERENCE), ENDOCRINE BOARD REVIEW (ONLINE CONFERENCE), ENDOCRINE SELF-ASSESSMENT PROGRAM (PRINT/DIGITAL BOOK), DIMENSIONS IN DIABETES AND ENDOCRINE SUMMIT (IN-PERSON CONFERENCES, MUMBAI, INDIA), AND INTERNATIONAL CONFERENCE ON STEROID HORMONES AND RECEPTOR (ALBUQUERQUE, NEW MEXICO). THE ENDOCRINE SOCIETY CONTINUES TO AMPLIFY AND EXPAND THE EDUCATION PORTFOLIO. FOR A COMPLETE CATALOG OF OUR EDUCATION AND MEETINGS PORTFOLIO, VISIT OUR CENTER FOR LEARNING AT WWW.ENDOCRINE.ORG.
4b (Code:   ) (Expenses $ 4,357,213 including grants of $ 0 ) (Revenue $ 8,906,138 )
PUBLICATIONS: ENDOCRINE SOCIETY PUBLICATIONS ENGAGE IN THREE AREAS OF ACTIVITY: JOURNALS, BOOKS, AND CONTENT LICENSING.JOURNALS: THE SOCIETY'S PEER-REVIEWED JOURNALS HAVE BEEN ADVANCING ENDOCRINOLOGY RESEARCH AND CLINICAL CARE FOR MORE THAN A CENTURY, PUBLISHING CONTINUOUSLY SINCE 1917. THE SOCIETY CURRENTLY PUBLISHES FIVE JOURNALS: ENDOCRINOLOGY, ENDOCRINE REVIEWS, THE JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, JOURNAL OF THE ENDOCRINE SOCIETY, AND JCEM CASE REPORTS. TOGETHER, SOCIETY JOURNALS PUBLISH MORE THAN 1,600 ARTICLES A YEAR FROM SCIENTISTS AND CLINICIANS AROUND THE WORLD, AS WELL AS THE SOCIETY'S OWN CLINICAL PRACTICE GUIDELINES. MORE THAN 2,600 SOCIETY MEMBERS DONATE THEIR TIME EACH YEAR TO THE PEER REVIEW PROCESS. JOURNAL EDITORS AND REVIEWERS ARE VETTED FOR THEIR EXPERTISE AND ADHERENCE TO STRICT PUBLISHING AND RESEARCH INTEGRITY STANDARDS. THE SOCIETY'S JOURNALS FOLLOW THE STANDARDS OF THE INTERNATIONAL COMMITTEE OF MEDICAL JOURNAL EDITORS AND THE COMMITTEE ON PUBLICATION ETHICS.BOOKS: AS PART OF ITS MEDICAL EDUCATION PROGRAM ACCREDITED BY THE ACCREDITATION COUNCIL FOR CONTINUING MEDICAL EDUCATION, THE SOCIETY PUBLISHES BOOKS FOR PHYSICIANS AND HEALTH PROFESSIONALS SEEKING CONTINUING MEDICAL EDUCATION CREDITS, PREPARATION FOR MEDICAL BOARD EXAMS, A BROAD REVIEW OF ALL AREAS OF ENDOCRINOLOGY, AND THE LATEST UPDATES IN THE DIAGNOSIS AND MANAGEMENT OF A WIDE RANGE OF ENDOCRINE CONDITIONS AND DISORDERS.CONTENT LICENSING: THE SOCIETY LICENSES THE DISTRIBUTION RIGHTS FOR ITS JOURNALS, BOOKS, AND OTHER CONTENT INCLUDING CONFERENCE RECORDINGS, PODCASTS, WEBINARS, AND TRANSLATIONS TO PUBLISHERS, INSTITUTIONS, AND MEDICAL EDUCATION COMPANIES WORLDWIDE.
4c (Code:   ) (Expenses $ 1,249,900 including grants of $ 0 ) (Revenue $ 2,165,715 )
MEMBERSHIP & ENGAGEMENT:SPANNING 130+ COUNTRIES, ENDOCRINE SOCIETY MEMBERS ARE A GLOBAL COMMUNITY OF 18,000 INVESTIGATORS, SCIENTISTS, HEALTHCARE PROVIDERS, AND EDUCATORS, REPRESENTING ALL CAREER STAGES FROM STUDENTS TO EMERITUS PROFESSORS. DEVOTED TO ADVANCING HORMONE RESEARCH AND EXCELLENCE IN THE CLINICAL PRACTICE OF ENDOCRINOLOGY, THE SOCIETY IS A PREMIER SOURCE OF KNOWLEDGE IN THE ENDOCRINE PROFESSION. MEMBERS BENEFIT FROM EXTENSIVE RESOURCES INCLUDING PUBLICATIONS, EDUCATION, PROFESSIONAL DEVELOPMENT, NETWORKING, AND ADVOCACY EFFORTS AIMED AT ACCELERATING BREAKTHROUGHS AND IMPROVING HEALTH WORLDWIDE.SPECIAL INTEREST GROUP COMMUNITIES ALLOW MEMBERS TO CONNECT WITH FELLOW PROFESSIONALS ON A HOST OF SPECIALTIES AND FIELDS IN ENDOCRINE RESEARCH, CLINICAL CARE AND OTHER SHARED INTERESTS.
(Code:   ) (Expenses $ 1,493,465 including grants of $   ) (Revenue $ 62,198 )
GOVERNMENT AND PUBLIC AFFAIRS: THE ENDOCRINE SOCIETY FOLLOWS POLICY ISSUES IMPORTANT TO THE PROFESSIONAL LIVES OF ITS MEMBERS. THIS INCLUDES ACCESS TO CARE, FUNDING FOR BIOMEDICAL RESEARCH, PREVENTION AND TREATMENT OF DIABETES AND OBESITY, REGULATION OF ENDOCRINE-DISRUPTING CHEMICALS, AND MEDICARE PHYSICIAN PAYMENT. THE SOCIETY REPRESENTS ITS MEMBERS' INTERESTS TO FEDERAL POLICY MAKERS BY PROVIDING EDUCATIONAL INFORMATION, SUBMITTING COMMENTS TO FEDERAL AGENCIES, DEVELOPING POSITION STATEMENTS AND POLICY RECOMMENDATIONS, AND, WITHIN THE LIMITATIONS OF A 501C3, THROUGH DIRECT LOBBYING.THE SOCIETY ALSO REPRESENTS ITS MEMBERS' INTERESTS THROUGH PARTICIPATION WITH OTHER GROUPS AND COALITIONS, SUCH AS THE AMERICAN MEDICAL ASSOCIATION (AMA), THE FEDERATION OF AMERICAN SOCIETIES OF EXPERIMENTAL BIOLOGY (FASEB), AND THE COALITION FOR HEALTH FUNDING.
(Code:   ) (Expenses $ 1,514,504 including grants of $ 235,298 ) (Revenue $ 1,216,154 )
PROFESSIONAL DEVELOPMENT PROGRAMS (EARLY CAREER):. THE ENDOCRINE SOCIETY'S PROFESSIONAL AND CLINICAL AFFAIRS DIVISION CONSISTS OF THREE CORE AREAS: CLINICAL PRACTICE GUIDELINES, PROFESSIONAL DEVELOPMENT, AND PIPELINE DEVELOPMENT PROGRAMS. THROUGH THESE PROGRAMS, THE SOCIETY WORKS TO IMPROVE THE CARE OF PATIENTS WITH ENDOCRINE DISORDERS AND TO SUPPORT THE NEXT GENERATION OF ENDOCRINE CLINICIANS AND SCIENTISTS.CLINICAL PRACTICE GUIDELINE PROGRAMTHE ENDOCRINE SOCIETY PROVIDES THE FIELD OF ENDOCRINOLOGY WITH TIMELY, EVIDENCE-BASED RECOMMENDATIONS FOR CLINICAL CARE AND PRACTICE. OUR CLINICAL PRACTICE GUIDELINES ARE DEVELOPED TO ASSIST HEALTH CARE PROVIDERS, PATIENTS, AND OTHER STAKEHOLDERS IN MAKING INFORMED DECISIONS ABOUT APPROPRIATE HEALTH CARE OPTIONS FOR ENDOCRINE-RELATED CONDITIONS. WE UPDATE OUR GUIDELINES TO REFLECT EVOLVING CLINICAL SCIENCE AND MEET THE NEEDS OF PRACTICING PROVIDERS. OUR GUIDELINES ARE DEVELOPED WITH A COMMITMENT TO THE HIGHEST STANDARDS OF TRUSTWORTHINESS AND TRANSPARENCY AS DEFINED BY THE INSTITUTE OF MEDICINE. GUIDELINE AUTHORS INCLUDE A MULTIDISCIPLINARY PANEL OF EXPERTS, ALONG WITH PATIENT REPRESENTATIVES TO ENSURE THAT RECOMMENDATIONS ARE PATIENT CENTERED. RECENT GUIDELINES PUBLISHED BY THE SOCIETY INCLUDE:-VITAMIN D FOR THE PREVENTION OF DISEASE (2024)-DIAGNOSIS AND THERAPY OF GLUCOCORTICOID-INDUCED ADRENAL INSUFFICIENCY (JOINT WITH THE EUROPEAN SOCIETY OF ENDOCRINOLOGY) (2024)-PRIMARY ALDOSTERONISM (2025)-PRE-EXISTING DIABETES AND PREGNANCY (JOINT WITH THE EUROPEAN SOCIETY OF ENDOCRINOLOGY)PROFESSIONAL DEVELOPMENTIN ADDITION TO PROVIDING CLINICAL GUIDANCE, THE SOCIETY WORKS WITH EARLY CAREER PROFESSIONALS WHO SHOW STRONG POTENTIAL AS FUTURE LEADERS IN ENDOCRINOLOGY, CONNECTING THEM WITH TRAINING, MENTORSHIP, AND PROFESSIONAL DEVELOPMENT. THROUGH THIS WORK, THE SOCIETY PREPARES THE NEXT GENERATION OF ENDOCRINE LEADERS TO ADVANCE SCIENCE AND IMPROVE CARE FOR PEOPLE AFFECTED BY ENDOCRINE CONDITIONS AROUND THE WORLD.-FUTURE LEADERS ADVANCING RESEARCH IN ENDOCRINOLOGY (FLARE) IS A ONE-YEAR PROGRAM THAT PREPARES BASIC SCIENTISTS, CLINICAL RESEARCH TRAINEES, AND JUNIOR FACULTY TO BECOME LEADERS IN ENDOCRINE RESEARCH. PARTICIPANTS BENEFIT FROM A STRUCTURED LEADERSHIP DEVELOPMENT WORKSHOP, HANDS-ON TRAINING IN KEY AREAS SUCH AS GRANTSMANSHIP, STRONG PEER NETWORKS, AND DIRECT MENTORSHIP FROM SENIOR INVESTIGATORS. -EXCELLENCE IN CLINICAL ENDOCRINOLOGY LEADERSHIP (EXCEL) IS A TWO-YEAR PROGRAM THAT PREPARES EARLY CAREER ENDOCRINOLOGISTS TO BECOME LEADERS IN CLINICAL CARE. THE PROGRAM INCLUDES A DEDICATED LEADERSHIP DEVELOPMENT WORKSHOP AND PRACTICAL TRAINING IN AREAS SUCH AS PATIENT CARE, CLINICAL DECISION-MAKING, AND PRACTICE MANAGEMENT. PARTICIPANTS BUILD LASTING PEER CONNECTIONS AND RECEIVE ONE-ON-ONE GUIDANCE FROM EXPERIENCED CLINICAL LEADERS.PIPELINE DEVELOPMENTTO ADDRESS WORKFORCE CHALLENGES, THE ENDOCRINE SOCIETY IS COMMITTED TO THE DEVELOPMENT OF THE NEXT GENERATION OF ENDOCRINE CLINICIANS AND SCIENTISTS. THE UNITED STATES IS FACING A SHORTAGE OF ENDOCRINOLOGISTS AND THE NUMBER OF MEDICAL STUDENTS ENTERING THE FIELD OVER THE PAST TEN YEARS HAS FALLEN. THESE PROGRAMS WORK TO SPARK INTEREST IN ENDOCRINOLOGY AMONG MEDICAL STUDENTS, GRADUATE STUDENTS, AND POSTGRADUATE TRAINEES.-THE SOCIETY'S EARLY CAREER FORUM TARGETS EACH OF THE ABOVE GROUPS. ATTENDEES RECEIVE TRAINING IN AREAS SUCH AS IDENTIFYING CAREER PATHS, APPLYING FOR JOBS, AND DEVELOPING THEIR CVS. EARLY CAREER FORUM PARTICIPANTS ALSO RECEIVE NETWORKING AND EDUCATIONAL OPPORTUNITIES AS ATTENDEES AT THE SOCIETY'S ANNUAL MEETING.-THE RESEARCH EXPERIENCES FOR GRADUATE AND MEDICAL STUDENTS (REGMS) IS A FULL YEAR PROGRAM FOR MEDICAL AND GRADUATE STUDENTS INTERESTED IN PURSUING ENDOCRINE RESEARCH. THIS PROGRAM PROVIDES FUNDING FOR STUDENTS TO CONDUCT RESEARCH WITH AN ENDOCRINE SOCIETY MENTOR. PARTICIPANTS SUBMIT ABSTRACTS THAT ARE HIGHLIGHTED AT SOCIETY'S ANNUAL MEETING.-THE MEDICAL SCHOOL ENGAGEMENT PROGRAM (MSEP) WORKS WITH MEDICAL SCHOOL FACULTY TO INCREASE THEIR STUDENTS' INTEREST IN CAREERS IN ENDOCRINOLOGY. MSEP AIMS TO SPARK AND MAINTAIN INTEREST IN ENDOCRINOLOGY THROUGH INTERACTIVE EVENTS, ACCESS TO ENDOCRINE FACULTY, EXPERIENCES WITH PATIENTS, AND SCHOLARSHIPS TO ATTEND THE SOCIETY'S ANNUAL MEETING.-ENDOCRINE MENTOR DAY (EMD) IS AN IN-PERSON MENTORING AND CAREER DEVELOPMENT EXPERIENCE HELD DURING THE SOCIETY'S ANNUAL MEETING. EMD AIMS TO DEMONSTRATE THE EXCITEMENT AND REWARDS OF A CAREER IN ENDOCRINOLOGY. THE PROGRAM OFFERS MEDICAL STUDENTS AND RESIDENTS A CURATED MEETING EXPERIENCE, INCLUDING ATTENDANCE AT EDUCATIONAL SESSIONS, HANDS-ON TRAINING WITH DIABETES TECHNOLOGY, AND THE OPPORTUNITY TO MEET AND WORK WITH LEADERS IN THE ENDOCRINE COMMUNITY.
4d Other program services (Describe in Schedule O.)
(Expenses $ 3,007,969 including grants of $ 235,298 ) (Revenue $ 1,278,352 )
4e Total program service expenses17,208,213
Form 990 (2024)
Form 990 (2024)
Page 3
Part IV
Checklist of Required Schedules
Yes
No
1
Is the organization described in section 501(c)(3) or 4947(a)(1) (other than a private foundation)? If "Yes," complete Schedule AClick to see attachment
List of Attached Documents:
// Content
.....................
1
Yes
 
2
Is the organization required to complete Schedule B, Schedule of Contributors? See instructions. Click to see attachment
List of Attached Documents:
// Content
...
2
Yes
 
3
Did the organization engage in direct or indirect political campaign activities on behalf of or in opposition to candidates for public office? If "Yes," complete Schedule C, Part IClick to see attachment
List of Attached Documents:
// Content
.............
3
 
No
4
Section 501(c)(3) organizations. Did the organization engage in lobbying activities, or have a section 501(h) election in effect during the tax year? If "Yes," complete Schedule C, Part IIClick to see attachment
List of Attached Documents:
// Content
.........
4
Yes
 
5
Is the organization a section 501(c)(4), 501(c)(5), or 501(c)(6) organization that receives membership dues, assessments, or similar amounts as defined in Rev. Proc. 98-19? If "Yes," complete Schedule C, Part IIIClick to see attachment
List of Attached Documents:
// Content
..
5
 
No
6
Did the organization maintain any donor advised funds or any similar funds or accounts for which donors have the right to provide advice on the distribution or investment of amounts in such funds or accounts? If "Yes," complete Schedule D, Part IClick to see attachment
List of Attached Documents:
// Content
.........................
6
 
No
7
Did the organization receive or hold a conservation easement, including easements to preserve open space,
the environment, historic land areas, or historic structures? If "Yes," complete Schedule D, Part IIClick to see attachment
List of Attached Documents:
// Content
....
7
 
No
8
Did the organization maintain collections of works of art, historical treasures, or other similar assets? If "Yes,"
complete Schedule D, Part IIIClick to see attachment
List of Attached Documents:
// Content
..............
8
Yes
 
9
Did the organization report an amount in Part X, line 21 for escrow or custodial account liability; serve as a custodian for amounts not listed in Part X; or provide credit counseling, debt management, credit repair, or debt negotiation services? If "Yes," complete Schedule D, Part IVClick to see attachment
List of Attached Documents:
// Content
..............
9
 
No
10
Did the organization, directly or through a related organization, hold assets in temporarily restricted endowments, permanent endowments, or quasi endowments? If "Yes," complete Schedule D, Part V......
10
Yes
 
11
If the organization’s answer to any of the following questions is "Yes," then complete Schedule D, Parts VI, VII, VIII, IX, or X, as applicable.
a
Did the organization report an amount for land, buildings, and equipment in Part X, line 10? If "Yes," complete
Schedule D, Part VI. Click to see attachment
List of Attached Documents:
// Content
...................
11a
Yes
 
b
Did the organization report an amount for investments—other securities in Part X, line 12 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part VIIClick to see attachment
List of Attached Documents:
// Content
.......
11b
 
No
c
Did the organization report an amount for investments—program related in Part X, line 13 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part VIIIClick to see attachment
List of Attached Documents:
// Content
.......
11c
 
No
d
Did the organization report an amount for other assets in Part X, line 15 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part IXClick to see attachment
List of Attached Documents:
// Content
............
11d
 
No
e
Did the organization report an amount for other liabilities in Part X, line 25? If "Yes," complete Schedule D, Part XClick to see attachment
List of Attached Documents:
// Content
11e
 
No
f
Did the organization’s separate or consolidated financial statements for the tax year include a footnote that addresses the organization’s liability for uncertain tax positions under FIN 48 (ASC 740)? If "Yes," complete Schedule D, Part XClick to see attachment
List of Attached Documents:
// Content
11f
Yes
 
12a
Did the organization obtain separate, independent audited financial statements for the tax year? If "Yes," complete
Schedule D, Parts XI and XIIClick to see attachment
List of Attached Documents:
// Content
......................
12a
 
No
b
Was the organization included in consolidated, independent audited financial statements for the tax year? If "Yes," and if the organization answered "No" to line 12a, then completing Schedule D, Parts XI and XII is optional Click to see attachment
List of Attached Documents:
// Content
12b
Yes
 
13
Is the organization a school described in section 170(b)(1)(A)(ii)? If "Yes," complete Schedule E
13
 
No
14a
Did the organization maintain an office, employees, or agents outside of the United States? .....
14a
 
No
b
Did the organization have aggregate revenues or expenses of more than $10,000 from grantmaking, fundraising, business, investment, and program service activities outside the United States, or aggregate foreign investments valued at $100,000 or more? If "Yes," complete Schedule F, Parts I and IV.........Click to see attachment
List of Attached Documents:
// Content
14b
Yes
 
15
Did the organization report on Part IX, column (A), line 3, more than $5,000 of grants or other assistance to or for any foreign organization? If “Yes,” complete Schedule F, Parts II and IV.....Click to see attachment
List of Attached Documents:
// Content
15
 
No
16
Did the organization report on Part IX, column (A), line 3, more than $5,000 of aggregate grants or other assistance to or for foreign individuals? If “Yes,” complete Schedule F, Parts III and IV...Click to see attachment
List of Attached Documents:
// Content
16
Yes
 
17
Did the organization report a total of more than $15,000 of expenses for professional fundraising services on Part IX, column (A), lines 6 and 11e? If "Yes," complete Schedule G, Part I. See instructions. ....
17
 
No
18
Did the organization report more than $15,000 total of fundraising event gross income and contributions on Part VIII, lines 1c and 8a? If "Yes," complete Schedule G, Part II............
18
 
No
19
Did the organization report more than $15,000 of gross income from gaming activities on Part VIII, line 9a? If "Yes," complete Schedule G, Part III...................
19
 
No
20a
Did the organization operate one or more hospital facilities? If "Yes," complete Schedule H....
20a
 
No
b
If "Yes" to line 20a, did the organization attach a copy of its audited financial statements to this return?
20b
 
 
21
Did the organization report more than $5,000 of grants or other assistance to any domestic organization or domestic government on Part IX, column (A), line 1? If “Yes,” complete Schedule I, Parts I and II.....Click to see attachment
List of Attached Documents:
// Content
21
Yes
 
Form 990 (2024)
Form 990 (2024)
Page 4
Part IV
Checklist of Required Schedules (continued)
Yes
No
22
Did the organization report more than $5,000 of grants or other assistance to or for domestic individuals on Part IX, column (A), line 2? If “Yes,” complete Schedule I, Parts I and III........Click to see attachment
List of Attached Documents:
// Content
22
Yes
 
23
Did the organization answer "Yes" to Part VII, Section A, line 3, 4, or 5, about compensation of the organization’s current and former officers, directors, trustees, key employees, and highest compensated employees? If "Yes," complete Schedule J....................... Click to see attachment
List of Attached Documents:
// Content
23
Yes
 
24a
Did the organization have a tax-exempt bond issue with an outstanding principal amount of more than $100,000 as of the last day of the year, that was issued after December 31, 2002? If “Yes,” answer lines 24b through 24d and complete Schedule K. If “No,” go to line 25a...............Click to see attachment
List of Attached Documents:
// Content
24a
Yes
 
b
Did the organization invest any proceeds of tax-exempt bonds beyond a temporary period exception?...
24b
 
No
c
Did the organization maintain an escrow account other than a refunding escrow at any time during the year
to defease any tax-exempt bonds? ...............
24c
 
No
d
Did the organization act as an "on behalf of" issuer for bonds outstanding at any time during the year?...
24d
 
No
25a
Section 501(c)(3), 501(c)(4), and 501(c)(29) organizations. Did the organization engage in an excess benefit transaction with a disqualified person during the year? If "Yes," complete Schedule L, Part I ....
25a
 
No
b
Is the organization aware that it engaged in an excess benefit transaction with a disqualified person in a prior year, and that the transaction has not been reported on any of the organization’s prior Forms 990 or 990-EZ? If "Yes," complete Schedule L, Part I.......................
25b
 
No
26
Did the organization report any amount on Part X, line 5 or 22 for receivables from or payables to any current or former officer, director, trustee, key employee, creator or founder, substantial contributor, or 35% controlled entity or family member of any of these persons? If "Yes," complete Schedule L, Part II...........
26
 
No
27
Did the organization provide a grant or other assistance to any current or former officer, director, trustee, key employee, creator or founder, substantial contributor, or employee thereof, a grant selection committee member, or to a 35% controlled entity (including an employee thereof) or family member of any of these persons?
If "Yes," complete
Schedule L, Part III.........................
27
 
No
28
Was the organization a party to a business transaction with one of the following parties (see the Schedule L, Part IV instructions for applicable filing thresholds, conditions, and exceptions):
a
A current or former officer, director, trustee, key employee, creator or founder, or substantial contributor? If "Yes," complete Schedule L, Part IV......................
28a
 
No
b
A family member of any individual described in line 28a? If "Yes," complete Schedule L, Part IV.....
28b
 
No
c
A 35% controlled entity of one or more individuals and/or organizations described in line 28a or 28b? If "Yes," complete Schedule L, Part IV.....................
28c
 
No
29
Did the organization receive more than $25,000 in non-cash contributions? If "Yes," complete Schedule M..
29
 
No
30
Did the organization receive contributions of art, historical treasures, or other similar assets, or qualified conservation contributions? If "Yes," complete Schedule M .................
30
 
No
31
Did the organization liquidate, terminate, or dissolve and cease operations? If "Yes," complete Schedule N, Part I
31
 
No
32
Did the organization sell, exchange, dispose of, or transfer more than 25% of its net assets? If "Yes," complete Schedule N, Part II........................
32
 
No
33
Did the organization own 100% of an entity disregarded as separate from the organization under Regulations sections 301.7701-2 and 301.7701-3? If "Yes," complete Schedule R, Part I............Click to see attachment
List of Attached Documents:
// Content
33
Yes
 
34
Was the organization related to any tax-exempt or taxable entity? If "Yes," complete Schedule R, Part II, III, or IV, and Part V, line 1.........................Click to see attachment
List of Attached Documents:
// Content
34
Yes
 
35a
Did the organization have a controlled entity within the meaning of section 512(b)(13)?
35a
 
No
b
If ‘Yes’ to line 35a, did the organization receive any payment from or engage in any transaction with a controlled entity within the meaning of section 512(b)(13)? If "Yes," complete Schedule R, Part V, line 2 ...
35b
 
 
36
Section 501(c)(3) organizations. Did the organization make any transfers to an exempt non-charitable related organization? If "Yes," complete Schedule R, Part V, line 2............. Click to see attachment
List of Attached Documents:
// Content
36
 
No
37
Did the organization conduct more than 5% of its activities through an entity that is not a related organization and that is treated as a partnership for federal income tax purposes? If "Yes," complete Schedule R, Part VIClick to see attachment
List of Attached Documents:
// Content
37
 
No
38
Did the organization complete Schedule O and provide explanations on Schedule O for Part VI, lines 11b and 19? Note. All Form 990 filers are required to complete Schedule O. ............
38
Yes
 
Part V
Statements Regarding Other IRS Filings and Tax Compliance
Check if Schedule O contains a response or note to any line in this Part V...........
Yes
No
1a
Enter the number reported in box 3 of Form 1096. Enter -0- if not applicable ..
1a
237
b
Enter the number of Forms W-2G included on line 1a. Enter -0- if not applicable .
1b
0
c
Did the organization comply with backup withholding rules for reportable payments to vendors and reportable gaming (gambling) winnings to prize winners? ..................
1c
Yes
 
Form 990 (2024)
Form 990 (2024)
Page 5
Part V
Statements Regarding Other IRS Filings and Tax Compliance (continued)
2a
Enter the number of employees reported on Form W-3, Transmittal of Wage and
Tax Statements, filed for the calendar year ending with or within the year covered by this return ..................
2a
89
b
If at least one is reported on line 2a, did the organization file all required federal employment tax returns?
2b
Yes
 
3a
Did the organization have unrelated business gross income of $1,000 or more during the year?...
3a
Yes
 
b
If “Yes,” has it filed a Form 990-T for this year? If “No” to line 3b, provide an explanation in Schedule O...
3b
Yes
 
4a
At any time during the calendar year, did the organization have an interest in, or a signature or other authority over, a financial account in a foreign country (such as a bank account, securities account, or other financial account)? ..
4a
 
No
b
If "Yes," enter the name of the foreign country:
See instructions for filing requirements for FinCEN Form 114, Report of Foreign Bank and Financial Accounts (FBAR).
5a
Was the organization a party to a prohibited tax shelter transaction at any time during the tax year? ..
5a
 
No
b
Did any taxable party notify the organization that it was or is a party to a prohibited tax shelter transaction?
5b
 
No
c
If "Yes," to line 5a or 5b, did the organization file Form 8886-T? ............
5c
 
 
6a
Does the organization have annual gross receipts that are normally greater than $100,000, and did the organization solicit any contributions that were not tax deductible as charitable contributions? ...
6a
 
No
b
If "Yes," did the organization include with every solicitation an express statement that such contributions or gifts were not tax deductible? ......................
6b
 
 
7
Organizations that may receive deductible contributions under section 170(c).
a
Did the organization receive a payment in excess of $75 made partly as a contribution and partly for goods and services provided to the payor? ....................
7a
 
No
b
If "Yes," did the organization notify the donor of the value of the goods or services provided? .....
7b
 
 
c
Did the organization sell, exchange, or otherwise dispose of tangible personal property for which it was required to file Form 8282? .........................
7c
 
No
d
If "Yes," indicate the number of Forms 8282 filed during the year ....
7d
 
e
Did the organization receive any funds, directly or indirectly, to pay premiums on a personal benefit contract?
7e
 
No
f
Did the organization, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ..
7f
 
No
g
If the organization received a contribution of qualified intellectual property, did the organization file Form 8899 as required? ......................
7g
 
 
h
If the organization received a contribution of cars, boats, airplanes, or other vehicles, did the organization file a Form 1098-C? ..........................
7h
 
 
8
Sponsoring organizations maintaining donor advised funds. Did a donor advised fund maintained by the sponsoring organization have excess business holdings at any time during the year? ........
8
 
 
9
Sponsoring organizations maintaining donor advised funds.
a
Did the sponsoring organization make any taxable distributions under section 4966?........
9a
 
 
b
Did the sponsoring organization make a distribution to a donor, donor advisor, or related person?...
9b
 
 
10
Section 501(c)(7) organizations. Enter:
a
Initiation fees and capital contributions included on Part VIII, line 12 ...
10a
 
b
Gross receipts, included on Form 990, Part VIII, line 12, for public use of club facilities
10b
 
11
Section 501(c)(12) organizations. Enter:
a
Gross income from members or shareholders .........
11a
 
b
Gross income from other sources. (Do not net amounts due or paid to other sources against amounts due or received from them.) ..........
11b
 
12a
Section 4947(a)(1) non-exempt charitable trusts. Is the organization filing Form 990 in lieu of Form 1041?
12a
 
 
b
If "Yes," enter the amount of tax-exempt interest received or accrued during the year.
12b
 
13
Section 501(c)(29) qualified nonprofit health insurance issuers.
a
Is the organization licensed to issue qualified health plans in more than one state? .........
Note. See the instructions for additional information the organization must report on Schedule O.
13a
 
 
b
Enter the amount of reserves the organization is required to maintain by the states in which the organization is licensed to issue qualified health plans ....
13b
 
c
Enter the amount of reserves on hand ............
13c
 
14a
Did the organization receive any payments for indoor tanning services during the tax year?.....
14a
 
No
b
If "Yes," has it filed a Form 720 to report these payments? If "No," provide an explanation in Schedule O..
14b
 
 
15
Is the organization subject to the section 4960 tax on payment(s) of more than $1,000,000 in remuneration or excess parachute payment(s) during the year? ....................
If "Yes," see the instructions and file Form 4720, Schedule N.
15
 
No
16
Is the organization an educational institution subject to the section 4968 excise tax on net investment income? ..
If "Yes," complete Form 4720, Schedule O.
16
 
No
17
Section 501(c)(21) organizations. Did the trust, or any disqualified or other person engage in any activities that would result in the imposition of an excise tax under section 4951, 4952, or 4953? ..
If "Yes," complete Form 6069.
17
 
 
Form 990 (2024)
Form 990 (2024)
Page 6
Part VI
Governance, Management, and Disclosure. For each "Yes" response to lines 2 through 7b below, and for a "No" response to lines 8a, 8b, or 10b below, describe the circumstances, processes, or changes in Schedule O. See instructions.
Check if Schedule O contains a response or note to any line in this Part VI..............
Section A. Governing Body and Management
Yes
No
1a
Enter the number of voting members of the governing body at the end of the tax year
1a
16
If there are material differences in voting rights among members of the governing body, or if the governing body delegated broad authority to an executive committee or similar committee, explain in Schedule O.
b
Enter the number of voting members included in line 1a, above, who are independent
1b
12
2
Did any officer, director, trustee, or key employee have a family relationship or a business relationship with any other officer, director, trustee, or key employee? .................
2
 
No
3
Did the organization delegate control over management duties customarily performed by or under the direct supervision of officers, directors or trustees, or key employees to a management company or other person? .
3
 
No
4
Did the organization make any significant changes to its governing documents since the prior Form 990 was filed? .
4
 
No
5
Did the organization become aware during the year of a significant diversion of the organization’s assets? .
5
 
No
6
Did the organization have members or stockholders? ................
6
Yes
 
7a
Did the organization have members, stockholders, or other persons who had the power to elect or appoint one or more members of the governing body? ....................
7a
Yes
 
b
Are any governance decisions of the organization reserved to (or subject to approval by) members, stockholders, or persons other than the governing body? ...................
7b
Yes
 
8
Did the organization contemporaneously document the meetings held or written actions undertaken during the year by the following:
a
The governing body? .......................
8a
Yes
 
b
Each committee with authority to act on behalf of the governing body? ............
8b
Yes
 
9
Is there any officer, director, trustee, or key employee listed in Part VII, Section A, who cannot be reached at the organization’s mailing address? If "Yes," provide the names and addresses in Schedule O.......
9
 
No
Section B. Policies (This Section B requests information about policies not required by the Internal Revenue Code.)
Yes
No
10a
Did the organization have local chapters, branches, or affiliates? ............
10a
 
No
b
If "Yes," did the organization have written policies and procedures governing the activities of such chapters, affiliates, and branches to ensure their operations are consistent with the organization's exempt purposes?
10b
 
 
11a
Has the organization provided a complete copy of this Form 990 to all members of its governing body before filing the form? ............................
11a
Yes
 
b
Describe on Schedule O the process, if any, used by the organization to review this Form 990. .....
12a
Did the organization have a written conflict of interest policy? If "No," go to line 13.......
12a
Yes
 
b
Were officers, directors, or trustees, and key employees required to disclose annually interests that could give rise to conflicts? ..........................
12b
Yes
 
c
Did the organization regularly and consistently monitor and enforce compliance with the policy? If "Yes," describe on Schedule O how this was done...................
12c
Yes
 
13
Did the organization have a written whistleblower policy? ...............
13
Yes
 
14
Did the organization have a written document retention and destruction policy? .........
14
Yes
 
15
Did the process for determining compensation of the following persons include a review and approval by independent persons, comparability data, and contemporaneous substantiation of the deliberation and decision?
a
The organization’s CEO, Executive Director, or top management official ...........
15a
Yes
 
b
Other officers or key employees of the organization ................
15b
Yes
 
If "Yes" to line 15a or 15b, describe the process on Schedule O. See instructions.
16a
Did the organization invest in, contribute assets to, or participate in a joint venture or similar arrangement with a taxable entity during the year? ......................
16a
 
No
b
If "Yes," did the organization follow a written policy or procedure requiring the organization to evaluate its participation in joint venture arrangements under applicable federal tax law, and take steps to safeguard the organization’s exempt status with respect to such arrangements? ............
16b
 
 
Section C. Disclosure
17
List the states with which a copy of this Form 990 is required to be filed
MD
18
Section 6104 requires an organization to make its Form 1023 (1024 or 1024-A, if applicable), 990, and 990-T (section 501(c)(3)s only) available for public inspection. Indicate how you made these available. Check all that apply.
19
Describe in Schedule O whether (and if so, how) the organization made its governing documents, conflict of interest policy, and financial statements available to the public during the tax year.
20
State the name, address, and telephone number of the person who possesses the organization's books and records:
ZERIHUN HAILE-SELASSIE2055 L STREET NW NO 600   WASHINGTON,DC20036 (202) 971-3636
Form 990 (2024)
Form 990 (2024)
Page 7
Part VII
Compensation of Officers, Directors,Trustees, Key Employees, Highest Compensated Employees, and Independent Contractors
Check if Schedule O contains a response or note to any line in this Part VII..............
Section A. Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees
1a Complete this table for all persons required to be listed. Report compensation for the calendar year ending with or within the organization’s tax year.
RoundBullet List all of the organization’s current officers, directors, trustees (whether individuals or organizations), regardless of amount
of compensation. Enter -0- in columns (D), (E), and (F) if no compensation was paid.

RoundBullet List all of the organization’s current key employees, if any. See the instructions for definition of "key employee."
RoundBullet List the organization’s five current highest compensated employees (other than an officer, director, trustee or key employee)
who received reportable compensation (box 5 of Form W-2, box 6 of Form 1099-MISC, and/or box 1 of Form 1099-NEC) of more than $100,000 from the organization and any related organizations.

RoundBullet List all of the organization’s former officers, key employees, or highest compensated employees who received more than $100,000
of reportable compensation from the organization and any related organizations.

RoundBullet List all of the organization’s former directors or trustees that received, in the capacity as a former director or trustee of the
organization, more than $10,000 of reportable compensation from the organization and any related organizations.

See the instructions for the order in which to list the persons above.
Check this box if neither the organization nor any related organization compensated any current officer, director, or trustee.
(A)
Name and title 		(B)
Average hours per week (list any hours for related organizations below dotted line) 		(C)
Position (do not check more than one box, unless person is both an officer and a director/trustee) 		(D)
Reportable compensation from the organization (W-2/1099-MISC/1099-NEC) 		(E)
Reportable compensation from related organizations (W-2/1099-MISC/1099-NEC) 		(F)
Estimated amount of other compensation from the organization and related organizations
Individual Trustee or Director; Institutional Trustee; OfficerInd; Key Employee; Highest compensated employee; FormerOfcrDirectorTrusteeInd;
(1) JOHN NEWELL-PRICE......................................................................
PRESIDENT (AS OF 6/24)
 6.00
.................
0.00 		X   X       35,000 0 0
(2) CAROL LANGE......................................................................
PRESIDENT ELECT (AS OF 6/24)
 6.00
.................
0.00 		X   X       34,167 0 0
(3) JEFFREY BOORD......................................................................
SECRETARY-TREASURER
 6.00
.................
0.00 		X   X       32,500 0 0
(4) STEPHEN HAMMES......................................................................
IMM. PAST PRESIDENT (AS OF 6/24)
 6.00
.................
0.00 		X   X       37,500 0 0
(5) STANLEY ANDRISSE......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           2,292 0 0
(6) MARIA FLESERIU......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           750 0 0
(7) LAUREN FISHBEIN......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           5,000 0 0
(8) ANGELA LEUNG......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           2,000 0 0
(9) REXFORD AHIMA......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(10) ANDREA GORE......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(11) KAREN LAM......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(12) BARBARA ONUMAH......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(13) RICARDO AZZIZ......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(14) WILLIAM LEE KRAUS......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(15) BU YEAP......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(16) BRUNO FERRAZ DE SOUZA......................................................................
BOARD MEMBER
 6.00
.................
0.00 		X           0 0 0
(17) URSULA KAISER......................................................................
IMM. PAST PRESIDENT (TO 6/24)
 6.00
.................
0.00 		X   X       0 0 0
Form 990 (2024)
Form 990 (2024)
Page 8
Part VII
Section A. Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees (continued)
(A)
Name and title 		(B)
Average hours per week (list any hours for related organizations below dotted line) 		(C)
Position (do not check more than one box, unless person is both an officer and a director/trustee) 		(D)
Reportable compensation from the organization (W-2/1099-MISC/1099-NEC) 		(E)
Reportable compensation from related organizations (W-2/1099-MISC/1099-NEC) 		(F)
Estimated amount of other compensation from the organization and related organizations
Individual Trustee or Director; Institutional Trustee; OfficerInd; Key Employee; Highest compensated employee; FormerOfcrDirectorTrusteeInd;
(18) ARTHUR GUTIERREZ-HARTMANN........................................................................
BOARD MEMBER (TO 6/24)
 6.00
.......................0.00 		X           0 0 0
(19) ROCIO PEREIRA........................................................................
BOARD MEMBER (TO 6/24)
 6.00
.......................0.00 		X           0 0 0
(20) CAROLYN SMITH........................................................................
BOARD MEMBER (TO 6/24)
 6.00
.......................0.00 		X           0 0 0
(21) KATE FRYER........................................................................
CHIEF EXECUTIVE OFFICER
 37.50
.......................0.00 		    X       721,647 0 73,158
(22) ZERIHUN HAILE-ZELASSIE........................................................................
CHIEF FINANCIAL OFFICER
 37.50
.......................0.00 		    X       372,589 0 71,848
(23) KRISTY BROWN........................................................................
SECR-TREAS. ELECT (AS OF 6/24)
 6.00
.......................0.00 		    X       6,000 0 0
(24) RICHARD O'GRADY........................................................................
CHIEF PUBLICATIONS OFFICER
 37.50
.......................0.00 		      X     305,868 0 66,975
(25) KRISTA KIRK........................................................................
CHIEF PEOPLE OFFICER
 37.50
.......................0.00 		      X     295,508 0 66,376
(26) CHRIS URENA........................................................................
CHIEF LEARNING OFFICER
 37.50
.......................0.00 		      X     265,173 0 39,537
(27) ROB LASH........................................................................
CHIEF MEDICAL OFFICER
 37.50
.......................0.00 		      X     401,812 0 66,790
(28) MILA BECKER........................................................................
CHIEF POLICY OFFICER
 37.50
.......................0.00 		        X   353,656 0 32,497
(29) STEVEN MEYERS........................................................................
CHIEF STATEGY OFFICER
 37.50
.......................0.00 		        X   212,401 0 57,977
(30) TIMOTHY BEARDSLEY........................................................................
EXECUTIVE EDITOR
 37.50
.......................0.00 		        X   177,976 0 43,620
(31) MICHAEL FLETCHER........................................................................
DIRECTOR, IT
 37.50
.......................0.00 		        X   176,211 0 54,822
(32) AARON LOHR........................................................................
CHIEF COMMUNICATIONS OFFICER
 37.50
.......................0.00 		        X   238,804 0 59,884
1b Sub-Total..............
c Total from continuation sheets to Part VII, Section A..
d Total (add lines 1b and 1c)......... 3,676,854 0 633,484
2
Total number of individuals (including but not limited to those listed above) who received more than $100,000 of reportable compensation from the organization 40
Yes
No
3
Did the organization list any former officer, director or trustee, key employee, or highest compensated employee on line 1a? If "Yes," complete Schedule J for such individual ..............
3
 
No
4
For any individual listed on line 1a, is the sum of reportable compensation and other compensation from the organization and related organizations greater than $150,000? If "Yes," complete Schedule J for such
individual...........................
4
Yes
 
5
Did any person listed on line 1a receive or accrue compensation from any unrelated organization or individual for services rendered to the organization? If "Yes," complete Schedule J for such person ........
5
 
No
Section B. Independent Contractors
1
Complete this table for your five highest compensated independent contractors that received more than $100,000 of compensation from the organization. Report compensation for the calendar year ending with or within the organization’s tax year.
(A)
Name and business address 		(B)
Description of services 		(C)
Compensation
FREEMAN

1600 VICEROY DRIVE SUITE 100
DALLAS,TX75235 		CONVENTION MGMT/EVENT TECHNOLOGY 1,802,467
A FASSANO & CO

461 NJ-168 UNIT A
TURNERVILLE,NJ08012 		SPONSORSHIP SALES & MGMT 454,395
THE SHERIDAN PRESS INC

450 FAME AVENUE
HANOVER,PA17331 		PRINTING & E-PROCESSING 431,728
COMMUNITY COUNSELING SERVICE CO LLC

527 MADISON AVE 5TH FLOOR
NEW YORK,NY10022 		OPS & GOVERNANCE CONSULTANT 403,961
BELAY SOLUTIONS LLC

885 WOODSTOCK ROAD SUITE 430-365
ROSWELL,GA30075 		VIRTUAL ASSISTANTS 388,957
2
Total number of independent contractors (including but not limited to those listed above) who received more than $100,000 of compensation from the organization 16
Form 990 (2024)
Form 990 (2024)
Page 9
Part VIII
Statement of Revenue
Check if Schedule O contains a response or note to any line in this Part VIII.............
(A)
Total revenue 		(B)
Related or
exempt
function
revenue 		(C)
Unrelated
business
revenue 		(D)
Revenue
excluded from
tax under sections
512 - 514
Contributions, Gifts, Grants, and OtherAmt Similar Amounts 1a Federated campaigns..1a  
b Membership dues..1b  
c Fundraising events..1c  
d Related organizations1d  
e Government grants (contributions)1e 169,692
f All other contributions, gifts, grants, and similar amounts not included above1f 779,112
g Noncash contributions included in lines 1a - 1f:$ 1g  
h Total. Add lines 1a-1f....... 948,804
Program Service RevenueAmt Business Code
2a MEETING & REGISTRATION 611600 7,743,899 7,743,899    
b JOURNAL SALES 513190 7,352,942 5,990,165 1,362,777  
c CMES 900099 2,556,347 2,556,347    
d MEMBERSHIP DUES 900099 2,410,768 2,410,768    
e AUTHOR CHARGES 513190 1,830,688 1,830,688    
f All other program service revenue. 1,834,444 1,834,444    
g Total. Add lines 2a–2f ..... 23,729,088
OtherAmtRevenueAmt 3 Investment income (including dividends, interest, and othersimilar amounts) ...... 1,820,878     1,820,878
4 Income from investment of tax-exempt bond proceeds        
5 Royalties........... 351,060 344,008   7,052
(i) Real (ii) Personal
6a Gross rents 6a 23,231  
b Less: rental expenses 6b 0  
c Rental income or (loss) 6c 23,231  
d Net rental income or (loss)....... 23,231     23,231
(i) Securities (ii) Other
7a Gross amount from sales of assets other than inventory 7a 3,995,154  
b Less: cost or other basis and sales expenses 7b 3,998,979  
c Gain or (loss) 7c -3,825  
d Net gain or (loss)......... -3,825     -3,825
8a Gross income from fundraising events (not including $   of contributions reported on line 1c). See Part IV, line 18 ....
8a  
b Less: direct expenses ... 8b  
c Net income or (loss) from fundraising events..      
9a Gross income from gaming activities.
See Part IV, line 19 ...
9a  
b Less: direct expenses ... 9b  
c Net income or (loss) from gaming activities..        
10a Gross sales of inventory, less
returns and allowances ..
10a  
b Less: cost of goods sold .. 10b  
c Net income or (loss) from sales of inventory..        
OtherRevenueMiscAmt
Business Code
11a MISCELLANEOUS INCOME 900099 373,472 373,472    
b ENDOCRINE PRODUCTS 900099 82,858 82,858    
c REBATES 900099 6,553 6,553    
d All other revenue ....        
e Total. Add lines 11a–11d ...... 462,883
12 Total revenue. See instructions..... 27,332,119 23,173,202 1,362,777 1,847,336
Form 990 (2024)
Form 990 (2024)
Page 10
Part IX
Statement of Functional Expenses
Section 501(c)(3) and 501(c)(4) organizations must complete all columns. All other organizations must complete column (A).Check if Schedule O contains a response or note to any line in this Part IX..............
Do not include amounts reported on lines 6b,
7b, 8b, 9b, and 10b of Part VIII. 		(A)
Total expenses 		(B)
Program service expenses 		(C)
Management and general expenses 		(D)
Fundraising
expenses
1 Grants and other assistance to domestic organizations and domestic governments. See Part IV, line 21 .... 44,348 44,348
2 Grants and other assistance to domestic individuals. See Part IV, line 22 ........... 151,000 151,000
3 Grants and other assistance to foreign organizations, foreign governments, and foreign individuals. See Part IV, lines 15 and 16. ............. 39,950 39,950
4 Benefits paid to or for members .......    
5 Compensation of current officers, directors, trustees, and key employees ........... 3,012,879 996,377 1,772,909 243,593
6 Compensation not included above, to disqualified persons (as defined under section 4958(f)(1)) and persons described in section 4958(c)(3)(B) .........        
7 Other salaries and wages........ 8,616,469 4,608,132 3,896,584 111,753
8 Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) .... 812,980 412,242 389,099 11,639
9 Other employee benefits ....... 1,036,195 531,407 486,852 17,936
10 Payroll taxes ........... 666,021 334,793 318,634 12,594
11 Fees for services (non-employees):        
a Management ......        
b Legal ......... 97,620 21,813 75,807  
c Accounting ........... 82,948   82,948  
d Lobbying ........... 100,497 100,497    
e Professional fundraising services. See Part IV, line 17    
f Investment management fees ...... 95,154   95,154  
g Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O) 3,527,098 2,164,395 950,182 412,521
12 Advertising and promotion .... 388,542 223,223 165,319  
13 Office expenses ....... 897,169 650,535 192,540 54,094
14 Information technology ...... 469,675 146,300 305,791 17,584
15 Royalties ..        
16 Occupancy ........... 1,046,490 491,850 523,245 31,395
17 Travel ............ 1,402,905 1,073,261 318,179 11,465
18 Payments of travel or entertainment expenses for any federal, state, or local public officials .        
19 Conferences, conventions, and meetings .... 3,210,435 2,986,813 215,284 8,338
20 Interest ........... 401,644 188,773 200,822 12,049
21 Payments to affiliates .......        
22 Depreciation, depletion, and amortization .. 807,100 379,337 403,550 24,213
23 Insurance ... 125,175 25,142 100,033  
24 Other expenses. Itemize expenses not covered above (List miscellaneous expenses in line 24e. If line 24e amount exceeds 10% of line 25, column (A) amount, list line 24e expenses on Schedule O.)
a UBI TAXES 175,085 144,948 30,137  
b HONORARIA 799,620 799,620    
c PRINTING/COMPOSITION 482,729 459,178 23,551  
d OTHER/MISCELLANEOUS 337,446 223,190 113,766 490
e All other expenses 44,709 11,089 33,620  
25 Total functional expenses. Add lines 1 through 24e 28,871,883 17,208,213 10,694,006 969,664
26 Joint costs. Complete this line only if the organization reported in column (B) joint costs from a combined educational campaign and fundraising solicitation. Check here if following SOP 98-2 (ASC 958-720).        
Form 990 (2024)
Form 990 (2024)
Page 11
Part X
Balance Sheet
Check if Schedule O contains a response or note to any line in this Part IX..............
(A)
Beginning of year 		(B)
End of year
Assets 1 Cash–non-interest-bearing ........   1  
2 Savings and temporary cash investments ......... 6,984,920 2 9,985,069
3 Pledges and grants receivable, net ......   3  
4 Accounts receivable, net ............. 2,235,520 4 1,965,897
5 Loans and other receivables from any current or former officer, director, trustee, key employee, creator or founder, substantial contributor, or 35% controlled entity or family member of any of these persons .......
  5  
6 Loans and other receivables from other disqualified persons (as defined under section 4958(f)(1)), and persons described in section 4958(c)(3)(B) ...
  6  
7 Notes and loans receivable, net ...........   7  
8 Inventories for sale or use ............   8  
9 Prepaid expenses and deferred charges ...... 748,310 9 674,933
10a Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D 10a 21,579,339
b Less: accumulated depreciation 10b 11,219,879 10,884,248 10c 10,359,460
11 Investments—publicly traded securities . 55,018,909 11 57,683,766
12 Investments—other securities. See Part IV, line 11 ..... 637,660 12 527,103
13 Investments—program-related. See Part IV, line 11 ..   13  
14 Intangible assets ...............   14  
15 Other assets. See Part IV, line 11 ........... 212,449 15 212,450
16 Total assets. Add lines 1 through 15 (must equal line 33)... 76,722,016 16 81,408,678
Liabilities 17 Accounts payable and accrued expenses ..... 3,844,875 17 2,492,288
18 Grants payable ...   18  
19 Deferred revenue ......... 6,338,486 19 9,832,578
20 Tax-exempt bond liabilities ......... 10,744,898 20 10,365,136
21 Escrow or custodial account liability. Complete Part IV of Schedule D   21  
22 Loans and other payables to any current or former officer, director, trustee, key employee, creator or founder, substantial contributor, or 35% controlled entity or family member of any of these persons .........
  22  
23 Secured mortgages and notes payable to unrelated third parties ..   23  
24 Unsecured notes and loans payable to unrelated third parties ..   24  
25 Other liabilities (including federal income tax, payables to related third parties, and other liabilities not included on lines 17 - 24). Complete Part X of Schedule D   25  
26 Total liabilities. Add lines 17 through 25.. 20,928,259 26 22,690,002
Net Assets or Fund Balance Organizations that follow FASB ASC 958, check here and complete lines 27, 28, 32, and 33.
27 Net assets without donor restrictions .......... 50,883,109 27 52,943,769
28 Net assets with donor restrictions ........... 4,910,648 28 5,774,907
Organizations that do not follow FASB ASC 958, check here right arrow and complete lines 29 through 33.
29 Capital stock or trust principal, or current funds .....   29  
30 Paid-in or capital surplus, or land, building or equipment fund ...   30  
31 Retained earnings, endowment, accumulated income, or other funds   31  
32 Total net assets or fund balances ........... 55,793,757 32 58,718,676
33 Total liabilities and net assets/fund balances ........ 76,722,016 33 81,408,678
Form 990 (2024)
Form 990 (2024)
Page 12
Part XI
Reconcilliation of Net Assets
Check if Schedule O contains a response or note to any line in this Part XI..............
1
Total revenue (must equal Part VIII, column (A), line 12) ............
1
27,332,119
2
Total expenses (must equal Part IX, column (A), line 25) ............
2
28,871,883
3
Revenue less expenses. Subtract line 2 from line 1 ..............
3
-1,539,764
4
Net assets or fund balances at beginning of year (must equal Part X, line 32, column (A)) ..
4
55,793,757
5
Net unrealized gains (losses) on investments ...............
5
5,100,240
6
Donated services and use of facilities .................
6
 
7
Investment expenses .....................
7
 
8
Prior period adjustments .....................
8
 
9
Other changes in net assets or fund balances (explain in Schedule O) ........
9
-635,557
10
Net assets or fund balances at end of year. Combine lines 3 through 9 (must equal Part X, line 32, column (B))
10
58,718,676
Part XII
Financial Statements and Reporting
Check if Schedule O contains a response or note to any line in this Part XII.............
Yes
No
1
Accounting method used to prepare the Form 990:  
If the organization changed its method of accounting from a prior year or checked "Other," explain on
Schedule O.
2a
Were the organization’s financial statements compiled or reviewed by an independent accountant?
2a
 
No
If ‘Yes,’ check a box below to indicate whether the financial statements for the year were compiled or reviewed on a separate basis, consolidated basis, or both:
b
Were the organization’s financial statements audited by an independent accountant?
2b
Yes
 
If ‘Yes,’ check a box below to indicate whether the financial statements for the year were audited on a separate basis, consolidated basis, or both:
c
If "Yes," to line 2a or 2b, does the organization have a committee that assumes responsibility for oversight of the audit, review, or compilation of its financial statements and selection of an independent accountant?
2c
Yes
 
If the organization changed either its oversight process or selection process during the tax year, explain in Schedule O.
3a
As a result of a federal award, was the organization required to undergo an audit or audits as set forth in the Uniform Guidance, 2 C.F.R. Part 200, Subpart F?
3a
 
No
b
If "Yes," did the organization undergo the required audit or audits? If the organization did not undergo the required audit or audits, explain why in Schedule O and describe any steps taken to undergo such audits.
3b
 
 
Form 990 (2024)
Form 990 (2024)
Additional Data


Software ID:  
Software Version:  
Form 990, Special Condition Description:
Special Condition Description
SCHEDULE A
(Form 990)

Department of the Treasury
Internal Revenue Service
Public Charity Status and Public Support
Complete if the organization is a section 501(c)(3) organization or a section 4947(a)(1) nonexempt charitable trust.
right arrow Attach to Form 990 or Form 990-EZ.
right arrow Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
2024
Open to Public
Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Part I
Reason for Public Charity Status (All organizations must complete this part.) See instructions.
The organization is not a private foundation because it is: (For lines 1 through 12, check only one box.)
1
2
3
4
5
6
7
8
9
10
11
12
a
b
c
d
e
f
Enter the number of supported organizations ...............................  
g
Provide the following information about the supported organization(s).
(i) Name of supported organization (ii) EIN (iii) Type of organization (described on lines 1- 10 above (see instructions)) (iv) Is the organization listed in your governing document? (v) Amount of monetary support (see instructions) (vi) Amount of other support (see instructions)
Yes No
Total
 
   
For Paperwork Reduction Act Notice, see the Instructions for
Form 990 or 990-EZ.
Cat. No. 11285F
Schedule A (Form 990) 2024

Schedule A (Form 990) 2024
Page 2
Part II
Support Schedule for Organizations Described in Sections 170(b)(1)(A)(iv) and 170(b)(1)(A)(vi)
(Complete only if you checked the box on line 5, 7, or 8 of Part I or if the organization failed to qualify under Part III. If the organization failed to qualify under the tests listed below, please complete Part III.)
Section A. Public Support
Calendar year (or fiscal year beginning in) right arrow (a) 2020 (b) 2021 (c) 2022 (d) 2023 (e) 2024 (f) Total
1 Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grant.") ..            
2 Tax revenues levied for the organization's benefit and either paid to or expended on its behalf ....            
3 The value of services or facilities furnished by a governmental unit to the organization without charge..            
4 Total. Add lines 1 through 3            
5 The portion of total contributions by each person (other than a governmental unit or publicly supported organization) included on line 1 that exceeds 2% of the amount shown on line 11, column (f) ..  
6 Public support. Subtract line 5 from line 4.  
Section B. Total Support
Calendar year (or fiscal year beginning in) right arrow (a) 2020 (b) 2021 (c) 2022 (d) 2023 (e) 2024 (f) Total
7 Amounts from line 4..            
8 Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources...            
9 Net income from unrelated business activities, whether or not the business is regularly carried on..            
10 Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.)..            
11 Total support. Add lines 7 through 10  
12
12
 
13
First 5 years. If the Form 990 is for the organization's first, second, third, fourth, or fifth tax year as a section 501(c)(3) organization, check this box and stop here ........................................right arrow
Section C. Computation of Public Support Percentage
14
14
 
15
15
 
16a
33 1/3% support test—2024. If the organization did not check the box on line 13, and line 14 is 33 1/3% or more, check this box
and stop here. The organization qualifies as a publicly supported organization .......................right arrow
b
33 1/3% support test—2023. If the organization did not check a box on line 13 or 16a, and line 15 is 33 1/3% or more, check this
box and stop here. The organization qualifies as a publicly supported organization ..................... right arrow
17a
10%-facts-and-circumstances test—2024. If the organization did not check a box on line 13, 16a, or 16b, and line 14 is 10% or more, and if the organization meets the "facts-and-circumstances" test, check this box and stop here. Explain in Part VI how the organization meets the "facts-and-circumstances" test. The organization qualifies as a publicly supported organization ............ right arrow
b
10%-facts-and-circumstances test—2023. If the organization did not check a box on line 13, 16a, 16b, or 17a, and line 15 is 10% or more, and if the organization meets the "facts-and-circumstances" test, check this box and stop here. Explain in Part VI how the organization meets the "facts-and-circumstances" test. The organization qualifies as a publicly supported organization ............ right arrow
18
Private foundation. If the organization did not check a box on line 13, 16a, 16b, 17a, or 17b, check this box and see
instructions ..................................................... right arrow
Schedule A (Form 990) 2024

Schedule A (Form 990) 2024
Page 3
Part III
Support Schedule for Organizations Described in Section 509(a)(2)
(Complete only if you checked the box on line 10 of Part I or if the organization failed to qualify under Part II. If the organization fails to qualify under the tests listed below, please complete Part II.)
Section A. Public Support
Calendar year (or fiscal year beginning in) right arrow (a) 2020 (b) 2021 (c) 2022 (d) 2023 (e) 2024 (f) Total
1 Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grants.") . 5,233,411 6,339,637 6,517,292 6,074,359 948,804 25,113,503
2 Gross receipts from admissions, merchandise sold or services performed, or facilities furnished in any activity that is related to the organization's tax-exempt purpose 18,176,794 18,596,504 18,453,045 17,709,886 22,829,194 95,765,423
3 Gross receipts from activities that are not an unrelated trade or business under section 513 .....            
4 Tax revenues levied for the organization's benefit and either paid to or expended on its behalf...            
5 The value of services or facilities furnished by a governmental unit to the organization without charge            
6 Total. Add lines 1 through 5 23,410,205 24,936,141 24,970,337 23,784,245 23,777,998 120,878,926
7a Amounts included on lines 1, 2, and 3 received from disqualified persons           0
b Amounts included on lines 2 and 3 received from other than disqualified persons that exceed the greater of $5,000 or 1% of the amount on line 13 for the year.           0
c Add lines 7a and 7b..           0
8 Public support. (Subtract line 7c from line 6.) 120,878,926
Section B. Total Support
Calendar year (or fiscal year beginning in) right arrow (a) 2020 (b) 2021 (c) 2022 (d) 2023 (e) 2024 (f) Total
9 Amounts from line 6... 23,410,205 24,936,141 24,970,337 23,784,245 23,777,998 120,878,926
10a Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources.. 1,540,224 1,723,374 1,903,808 2,472,446 2,195,169 9,835,021
b Unrelated business taxable income (less section 511 taxes) from businesses acquired after June 30, 1975. 461,798 541,488 493,948 448,027 486,863 2,432,124
c Add lines 10a and 10b. 2,002,022 2,264,862 2,397,756 2,920,473 2,682,032 12,267,145
11 Net income from unrelated business activities not included on line 10b, whether or not the business is regularly carried on.            
12 Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.) ..            
13 Total support. (Add lines 9, 10c, 11, and 12.).. 25,412,227 27,201,003 27,368,093 26,704,718 26,460,030 133,146,071
14
First 5 years. If the Form 990 is for the organization's first, second, third, fourth, or fifth tax year as a section 501(c)(3) organization, check this box and stop here................................................. right arrow
Section C. Computation of Public Support Percentage
15
15
90.790 %
16
16
91.140 %
Section D. Computation of Investment Income Percentage
17
17
9.210 %
18
18
8.860 %
19a
33 1/3% support tests-2024. If the organization did not check the box on line 14, and line 15 is more than 33 1/3%, and line 17 is not more than 33 1/3%, check this box and stop here. The organization qualifies as a publicly supported organization ....... right arrow
b
33 1/3 % support tests—2023. If the organization did not check a box on line 14 or line 19a, and line 16 is more than 33 1/3% and line 18 is not more than 33 1/3%, check this box and stop here. The organization qualifies as a publicly supported organization ..... right arrow
20
Private foundation. If the organization did not check a box on line 14, 19a, or 19b, check this box and see instructions .... right arrow
Schedule A (Form 990) 2024

Schedule A (Form 990) 2024
Page 4
Part IV
Supporting Organizations
(Complete only if you checked a box on line 12 of Part I. If you checked box 12a, of Part I, complete Sections A and B. If you checked box 12b, of Part I, complete Sections A and C. If you checked box 12c, of Part I, complete Sections A, D, and E. If you checked box12d, of Part I, complete Sections A and D, and complete Part V.)
Section A. All Supporting Organizations
Yes
No
1
Are all of the organization’s supported organizations listed by name in the organization’s governing documents?
If "No," describe in Part VI how the supported organizations are designated. If designated by class or purpose,
describe the designation. If historic and continuing relationship, explain.
1
 
 
2
Did the organization have any supported organization that does not have an IRS determination of status under section 509(a)(1) or (2)? If "Yes," explain in Part VI how the organization determined that the supported organization was described in section 509(a)(1) or (2).
2
 
 
3a
Did the organization have a supported organization described in section 501(c)(4), (5), or (6)? If "Yes," answer lines 3b and 3c below.
3a
 
 
b
Did the organization confirm that each supported organization qualified under section 501(c)(4), (5), or (6) and satisfied the public support tests under section 509(a)(2)? If "Yes," describe in Part VI when and how the organization made the determination.
3b
 
 
c
Did the organization ensure that all support to such organizations was used exclusively for section 170(c)(2)(B) purposes? If "Yes," explain in Part VI what controls the organization put in place to ensure such use.
3c
 
 
4a
Was any supported organization not organized in the United States ("foreign supported organization")? If “Yes” and if you checked box 12a or 12b in Part I, answer lines 4b and 4c below.
4a
 
 
b
Did the organization have ultimate control and discretion in deciding whether to make grants to the foreign supported organization? If “Yes,” describe in Part VI how the organization had such control and discretion despite being controlled or supervised by or in connection with its supported organizations.
4b
 
 
c
Did the organization support any foreign supported organization that does not have an IRS determination under sections 501(c)(3) and 509(a)(1) or (2)? If “Yes,” explain in Part VI what controls the organization used to ensure that all support to the foreign supported organization was used exclusively for section 170(c)(2)(B) purposes.
4c
 
 
5a
Did the organization add, substitute, or remove any supported organizations during the tax year? If “Yes,” answer lines 5b and 5c below (if applicable). Also, provide detail in Part VI, including (i) the names and EIN numbers of the supported organizations added, substituted, or removed; (ii) the reasons for each such action; (iii) the authority under the organization's organizing document authorizing such action; and (iv) how the action was accomplished (such as by amendment to the organizing document).
5a
 
 
b
Type I or Type II only. Was any added or substituted supported organization part of a class already designated in the organization's organizing document?
5b
 
 
c
Substitutions only. Was the substitution the result of an event beyond the organization's control?
5c
 
 
6
Did the organization provide support (whether in the form of grants or the provision of services or facilities) to anyone other than (i) its supported organizations, (ii) individuals that are part of the charitable class benefited by one or more of its supported organizations, or (iii) other supporting organizations that also support or benefit one or more of the filing organization’s supported organizations? If “Yes,” provide detail in Part VI.
6
 
 
7
Did the organization provide a grant, loan, compensation, or other similar payment to a substantial contributor (defined in section 4958(c)(3)(C)), a family member of a substantial contributor, or a 35% controlled entity with regard to a substantial contributor? If “Yes,” complete Part I of Schedule L (Form 990) .
7
 
 
8
Did the organization make a loan to a disqualified person (as defined in section 4958) not described on line 7? If “Yes,” complete Part I of Schedule L (Form 990).
8
 
 
9a
Was the organization controlled directly or indirectly at any time during the tax year by one or more disqualified persons, as defined in section 4946 (other than foundation managers and organizations described in section 509(a)(1) or (2))? If “Yes,” provide detail in Part VI.
9a
 
 
b
Did one or more disqualified persons (as defined on line 9a) hold a controlling interest in any entity in which the supporting organization had an interest? If “Yes,” provide detail in Part VI.
9b
 
 
c
Did a disqualified person (as defined on line 9a) have an ownership interest in, or derive any personal benefit from, assets in which the supporting organization also had an interest? If “Yes,” provide detail in Part VI.
9c
 
 
10a
Was the organization subject to the excess business holdings rules of section 4943 because of section 4943(f) (regarding certain Type II supporting organizations, and all Type III non-functionally integrated supporting organizations)? If “Yes,” answer line 10b below.
10a
 
 
b
Did the organization have any excess business holdings in the tax year? (Use Schedule C, Form 4720, to determine whether the organization had excess business holdings).
10b
 
 
Schedule A (Form 990) 2024

Schedule A (Form 990) 2024
Page 5
Part IV
Supporting Organizations (continued)
Yes
No
11
Has the organization accepted a gift or contribution from any of the following persons?
a
A person who directly or indirectly controls, either alone or together with persons described on lines 11b and 11c below, the governing body of a supported organization?
11a
 
 
b
A family member of a person described on 11a above?
11b
 
 
c
A 35% controlled entity of a person described on line 11a or 11b above? If “Yes” to 11a, 11b, or 11c, provide detail in Part VI.
11c
 
 
Section B. Type I Supporting Organizations
Yes
No
1
Did the officers, directors, trustees, or membership of one or more supported organizations have the power to regularly appoint or elect at least a majority of the organization’s directors or trustees at all times during the tax year? If “No,” describe in Part VI how the supported organization(s) effectively operated, supervised, or controlled the organization’s activities. If the organization had more than one supported organization, describe how the powers to appoint and/or remove directors or trustees were allocated among the supported organizations and what conditions or restrictions, if any, applied to such powers during the tax year.
1
 
 
2
Did the organization operate for the benefit of any supported organization other than the supported organization(s) that operated, supervised, or controlled the supporting organization? If “Yes,” explain in Part VI how providing such benefit carried out the purposes of the supported organization(s) that operated, supervised or controlled the supporting organization.
2
 
 
Section C. Type II Supporting Organizations
Yes
No
1
Were a majority of the organization’s directors or trustees during the tax year also a majority of the directors or trustees of each of the organization’s supported organization(s)? If “No,” describe in Part VI how control or management of the supporting organization was vested in the same persons that controlled or managed the supported organization(s).
1
 
 
Section D. All Type III Supporting Organizations
Yes
No
1
Did the organization provide to each of its supported organizations, by the last day of the fifth month of the organization’s tax year, (i) a written notice describing the type and amount of support provided during the prior tax year, (ii) a copy of the Form 990 that was most recently filed as of the date of notification, and (iii) copies of the organization’s governing documents in effect on the date of notification, to the extent not previously provided?
1
 
 
2
Were any of the organization’s officers, directors, or trustees either (i) appointed or elected by the supported organization(s) or (ii) serving on the governing body of a supported organization? If "No," explain in Part VI how the organization maintained a close and continuous working relationship with the supported organization(s).
2
 
 
3
By reason of the relationship described in line 2 above, did the organization’s supported organizations have a significant voice in the organization’s investment policies and in directing the use of the organization’s income or assets at all times during the tax year? If "Yes," describe in Part VI the role the organization’s supported organizations played in this regard.
3
 
 
Section E. Type III Functionally-Integrated Supporting Organizations
1
Check the box next to the method that the organization used to satisfy the Integral Part Test during the year (see instructions):
a
b
c
2
Activities Test. Answer lines 2a and 2b below.
Yes
No
a
Did substantially all of the organization’s activities during the tax year directly further the exempt purposes of the supported organization(s) to which the organization was responsive? If "Yes," then in Part VI identify those supported organizations and explain how these activities directly furthered their exempt purposes, how the organization was responsive to those supported organizations, and how the organization determined that these activities constituted substantially all of its activities.
2a
 
 
b
Did the activities described on line 2a, above constitute activities that, but for the organization’s involvement, one or more of the organization’s supported organization(s) would have been engaged in? If "Yes," explain in Part VI the reasons for the organization’s position that its supported organization(s) would have engaged in these activities but for the organization’s involvement.
2b
 
 
3
Parent of Supported Organizations. Answer lines 3a and 3b below.
a
Did the organization have the power to regularly appoint or elect a majority of the officers, directors, or trustees of each of the supported organizations?If "Yes" or "No", provide details in Part VI.
3a
 
 
b
Did the organization exercise a substantial degree of direction over the policies, programs and activities of each of its supported organizations? If "Yes," describe in Part VI. the role played by the organization in this regard.
3b
 
 
Schedule A (Form 990) 2024

Schedule A (Form 990) 2024
Page 6
Part V
Type III Non-Functionally Integrated 509(a)(3) Supporting Organizations
1
Section A - Adjusted Net Income (A) Prior Year (B) Current Year
(optional)
1 Net short-term capital gain 1    
2 Recoveries of prior-year distributions 2    
3 Other gross income (see instructions) 3    
4 Add lines 1 through 3 4    
5 Depreciation and depletion 5    
6 Portion of operating expenses paid or incurred for production or collection of gross income or for management, conservation, or maintenance of property held for production of income (see instructions) 6    
7 Other expenses (see instructions) 7    
8 Adjusted Net Income (subtract lines 5, 6 and 7 from line 4) 8    
Section B - Minimum Asset Amount (A) Prior Year (B) Current Year
(optional)
1 Aggregate fair market value of all non-exempt-use assets (see instructions for short tax year or assets held for part of year): 1
a Average monthly value of securities 1a    
b Average monthly cash balances 1b    
c Fair market value of other non-exempt-use assets 1c    
d Total (add lines 1a, 1b, and 1c) 1d    
e Discount claimed for blockage or other factors
(explain in detail in Part VI):  
2 Acquisition indebtedness applicable to non-exempt use assets 2    
3 Subtract line 2 from line 1d 3    
4 Cash deemed held for exempt use. Enter 0.015 of line 3 (for greater amount, see instructions). 4    
5 Net value of non-exempt-use assets (subtract line 4 from line 3) 5    
6 Multiply line 5 by 0.035 6    
7 Recoveries of prior-year distributions 7    
8 Minimum Asset Amount (add line 7 to line 6) 8    
Section C - Distributable Amount Current Year
1 Adjusted net income for prior year (from Section A, line 8, Column A) 1  
2 Enter 85% of line 1 2  
3 Minimum asset amount for prior year (from Section B, line 8, Column A) 3  
4 Enter greater of line 2 or line 3 4  
5 Income tax imposed in prior year 5  
6 Distributable Amount. Subtract line 5 from line 4, unless subject to emergency temporary reduction (see instructions) 6  
7
Schedule A (Form 990) 2024

Schedule A (Form 990) 2024
Page 7
Part V
Type III Non-Functionally Integrated 509(a)(3) Supporting Organizations(continued)
Section D - Distributions Current Year
1 Amounts paid to supported organizations to accomplish exempt purposes 1  
2 Amounts paid to perform activity that directly furthers exempt purposes of supported organizations, in
excess of income from activity 		2  
3 Administrative expenses paid to accomplish exempt purposes of supported organizations 3  
4 Amounts paid to acquire exempt-use assets 4  
5 Qualified set-aside amounts (prior IRS approval required - provide details in Part VI) 5  
6 Other distributions (describe in Part VI). See instructions 6  
7Total annual distributions. Add lines 1 through 6. 7  
8 Distributions to attentive supported organizations to which the organization is responsive (provide
details in Part VI). See instructions 		8  
9 Distributable amount for 2024 from Section C, line 6 9  
10 Line 8 amount divided by Line 9 amount 10  
Section E - Distribution Allocations (see instructions) (i)
Excess Distributions 		(ii)
Underdistributions
Pre-2024 		(iii)
Distributable
Amount for 2024
1 Distributable amount for 2024 from Section C, line 6  
2 Underdistributions, if any, for years prior to 2024 (reasonable cause required-- explain in Part VI).
See instructions.		  
3 Excess distributions carryover, if any, to 2024:
a From 2019.......  
b From 2020.......  
c From 2021.......  
d From 2022.......  
e From 2023.......  
fTotal of lines 3a through e  
g Applied to underdistributions of prior years  
h Applied to 2024 distributable amount  
i Carryover from 2019 not applied (see
instructions) 		 
j Remainder. Subtract lines 3g, 3h, and 3i from line 3f.  
4Distributions for 2024 from Section D, line 7:
$  
a Applied to underdistributions of prior years  
b Applied to 2024 distributable amount  
c Remainder. Subtract lines 4a and 4b from line 4.  
5 Remaining underdistributions for years prior to
2024, if any. Subtract lines 3g and 4a from line 2.
If the amount is greater than zero, explain in Part VI.
See instructions. 		 
6 Remaining underdistributions for 2024. Subtract
lines 3h and 4b from line 1. If the amount is greater
than zero, explain in Part VI. See instructions. 		 
7 Excess distributions carryover to 2025. Add lines
3j and 4c. 		 
8 Breakdown of line 7:
a Excess from 2020.....  
b Excess from 2021.....  
c Excess from 2022.....  
d Excess from 2023.....  
e Excess from 2024.....  
Schedule A (Form 990) (2024)

Schedule A (Form 990) 2024
Page 8
Part VI
Supplemental Information. Provide the explanations required by Part II, line 10; Part II, line 17a or 17b; Part III, line 12; Part IV, Section A, lines 1, 2, 3b, 3c, 4b, 4c, 5a, 6, 9a, 9b, 9c, 11a, 11b, and 11c; Part IV, Section B, lines 1 and 2; Part IV, Section C, line 1; Part IV, Section D, lines 2 and 3; Part IV, Section E, lines 1c, 2a, 2b, 3a and 3b; Part V, line 1; Part V, Section B, line 1e; Part V Section D, lines 5, 6, and 8; and Part V, Section E, lines 2, 5, and 6. Also complete this part for any additional information. (See instructions).
Facts And Circumstances Test
 
Return Reference Explanation
Schedule A (Form 990) 2024


Additional Data


Software ID:  
Software Version:  
Schedule B
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Schedule of Contributors

right arrow Attach to Form 990, 990-EZ, or 990-PF.
right arrow Go to www.irs.gov/Form990 for the latest information.
OMB No. 1545-0047
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Organization type (check one):
Filers of:
Section:
Form 990 or 990-EZ
501(c)( ) (enter number) organization

4947(a)(1) nonexempt charitable trust not treated as a private foundation

527 political organization


Form 990-PF
501(c)(3) exempt private foundation

4947(a)(1) nonexempt charitable trust treated as a private foundation

501(c)(3) taxable private foundation
Check if your organization is covered by the General Rule or a Special Rule.  
Note:  Only a section 501(c)(7), (8), or (10) organization can check boxes for both the General Rule and a Special Rule. See instructions.
General Rule
For an organization filing Form 990, 990-EZ, or 990-PF that received, during the year, contributions totaling $5,000 or more (in money or other property) from any one contributor. Complete Parts I and II. See instructions for determining a contributor's total contributions.
Special Rules
For an organization described in section 501(c)(3) filing Form 990 or 990-EZ that met the 331/3% support test of the regulations
under sections 509(a)(1) and 170(b)(1)(A)(vi), that checked Schedule A (Form 990 or 990-EZ), Part II, line 13, 16a, or 16b, and that received from any one contributor, during the year, total contributions of the greater of (1) $5,000 or (2) 2% of the amount on (i) Form 990, Part VIII, line 1h, or (ii) Form 990-EZ, line 1. Complete Parts I and II.
For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, total contributions of more than $1,000 exclusively for religious, charitable, scientific, literary, or educational purposes, or for the prevention of cruelty to children or animals. Complete Parts I, II, and III.
For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, contributions exclusively for religious, charitable, etc., purposes, but no such contributions totaled more than $1,000. If this box is checked, enter here the total contributions that were received during the year for an exclusively religious, charitable, etc., purpose. Don't complete any of the parts unless the General Rule applies to this organization because it received nonexclusively religious, charitable, etc., contributions totaling $5,000 or more during the year ......... Right Arrow $  
Caution: An organization that isn't covered by the General Rule and/or the Special Rules doesn't file Schedule B (Form 990,
990-EZ, or 990-PF), but it must answer “No” on Part IV, line 2, of its Form 990; or check the box on line H of its Form 990-EZ
or on its Form 990PF, Part I, line 2, to certify that it doesn't meet the filing requirements of Schedule B (Form 990,
990-EZ, or 990-PF).
For Paperwork Reduction Act Notice, see the Instructions
for Form 990, 990-EZ, or 990-PF.
Cat. No. 30613XSchedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025) Page 2
Name of organization
ENDOCRINE SOCIETY
  		Employer identification number
73-0531256
Part I
Contributors (see instructions). Use duplicate copies of Part I if additional space is needed.
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
RESTRICTED
 
 
 
 
  ,    

$ RESTRICTED


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
Schedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025)
Page 3
Name of organization
ENDOCRINE SOCIETY
  		Employer identification number

73-0531256
Part II
Noncash Property (see instructions). Use duplicate copies of Part II if additional space is needed.
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
Schedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025)
Page 4
Name of organization
ENDOCRINE SOCIETY
  		Employer identification number

73-0531256
Part III
Exclusively religious, charitable, etc., contributions to organizations described in section 501(c) (7), (8), or (10) that total more than $1,000 for the year from any one contributor. Complete columns (a) through (e) and the following line entry. For organizations completing Part III, enter the total of exclusively religious, charitable, etc., contributions of $1,000 or less for the year. (Enter this information once. See instructions.) $  
Use duplicate copies of Part III if additional space is needed.
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
Schedule B (Form 990) (Rev. 1-2025)
Additional Data


Software ID:  
Software Version:  
SCHEDULE C
(Form 990)

Department of the Treasury
Internal Revenue Service
Political Campaign and Lobbying Activities

For Organizations Exempt From Income Tax Under section 501(c) and section 527

right arrow Complete if the organization is described below. right arrow Attach to Form 990 or Form 990-EZ.
right arrowGo to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
2024
Open to Public
Inspection
If the organization answered "Yes" on Form 990, Part IV, Line 3, or Form 990-EZ, Part V, line 46 (Political Campaign Activities), then
Round Bullet Section 501(c)(3) organizations: Complete Parts I-A and B. Do not complete Part I-C.
Round Bullet Section 501(c) (other than section 501(c)(3)) organizations: Complete Parts I-A and C below. Do not complete Part I-B.
Round Bullet Section 527 organizations: Complete Part I-A only.
If the organization answered "Yes" on Form 990, Part IV, Line 4, or Form 990-EZ, Part VI, line 47 (Lobbying Activities), then
Round Bullet Section 501(c)(3) organizations that have filed Form 5768 (election under section 501(h)): Complete Part II-A. Do not complete Part II-B.
Round Bullet Section 501(c)(3) organizations that have NOT filed Form 5768 (election under section 501(h)): Complete Part II-B. Do not complete Part II-A.
If the organization answered "Yes" on Form 990, Part IV, Line 5 (Proxy Tax) (see separate instructions) or Form 990-EZ, Part V, line 35c (Proxy Tax) (see separate instructions), then
Round Bullet Section 501(c)(4), (5), or (6) organizations: Complete Part III.
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Part I-A
Complete if the organization is exempt under section 501(c) or is a section 527 organization.

1
Provide a description of the organization’s direct and indirect political campaign activities in Part IV. See instructions for definition of “political campaign activities."

2
Political campaign activity expenditures. See instructions ....................................................................right arrow
$  
3
Volunteer hours for political campaign activities. See instructions ..................................................................
 

Part I-B
Complete if the organization is exempt under section 501(c)(3).
1
Enter the amount of any excise tax incurred by the organization under section 4955 ................................right arrow
$  
2
Enter the amount of any excise tax incurred by organization managers under section 4955 .......................right arrow
$  
3
If the organization incurred a section 4955 tax, did it file Form 4720 for this year? .........................................
4a
Was a correction made? ......................................................................................................................
b
If "Yes," describe in Part IV.
Part I-C
Complete if the organization is exempt under section 501(c), except section 501(c)(3).
1
Enter the amount directly expended by the filing organization for section 527 exempt function activities ..... right arrow
$  
2
Enter the amount of the filing organization's funds contributed to other organizations for section 527 exempt function activities ............................................................................................................................right arrow

$  
3
Total exempt function expenditures. Add lines 1 and 2. Enter here and on Form 1120-POL, line 17b...........right arrow

$  
4
Did the filing organization file Form 1120-POL for this year? ...................................................................
5
Enter the names, addresses and employer identification number (EIN) of all section 527 political organizations to which the filing
organization made payments. For each organization listed, enter the amount paid from the filing organization’s funds. Also enter the amount of political contributions received that were promptly and directly delivered to a separate political organization, such as a separate segregated fund or a political action committee (PAC). If additional space is needed, provide information in Part IV.
(a) Name (b) Address (c) EIN (d) Amount paid from filing organization's funds. If none, enter -0-. (e) Amount of political contributions received and promptly and directly delivered to a separate political organization. If none, enter -0-.
1
2
3
4
5
6
For Paperwork Reduction Act Notice, see the instructions for Form 990.
Cat. No. 50084S
Schedule C (Form 990) 2024

Schedule C (Form 990) 2024
Page 2
Part II-A
Complete if the organization is exempt under section 501(c)(3) and filed Form 5768 (election under section 501(h)).
A Check right arrowexpenses, and share of excess lobbying expenditures).
B Check right arrow
Limits on Lobbying Expenditures
(The term "expenditures" means amounts paid or incurred.) 		(a) Filing
organization's
totals 		(b) Affiliated group totals
1a Total lobbying expenditures to influence public opinion (grass roots lobbying) ...................... 2,541  
b Total lobbying expenditures to influence a legislative body (direct lobbying) ........................ 211,563  
c Total lobbying expenditures (add lines 1a and 1b) ............................................................ 214,104  
d Other exempt purpose expenditures ............................................................................... 27,824,717  
e Total exempt purpose expenditures (add lines 1c and 1d) .................................................. 28,038,821  
f Lobbying nontaxable amount. Enter the amount from the following table in both
columns.		 1,000,000  
If the amount on line 1e, column (a) or (b) is:The lobbying nontaxable amount is:
Not over $500,00020% of the amount on line 1e.
Over $500,000 but not over $1,000,000$100,000 plus 15% of the excess over $500,000.
Over $1,000,000 but not over $1,500,000$175,000 plus 10% of the excess over $1,000,000.
Over $1,500,000 but not over $17,000,000$225,000 plus 5% of the excess over $1,500,000.
Over $17,000,000$1,000,000.
g Grassroots nontaxable amount (enter 25% of line 1f) ................................................. 250,000  
h Subtract line 1g from line 1a. If zero or less, enter -0-. ................................................ 0  
i Subtract line 1f from line 1c. If zero or less, enter -0-. ................................................ 0  
j If there is an amount other than zero on either line 1h or line 1i, did the organization file Form 4720 reporting
section 4911 tax for this year? ...................................................................................................................

4-Year Averaging Period Under Section 501(h)
(Some organizations that made a section 501(h) election do not have to complete all of the five
columns below. See the separate instructions for lines 2a through 2f.)
Lobbying Expenditures During 4-Year Averaging Period
Calendar year (or fiscal year
beginning in) 		(a) 2021 (b) 2022 (c) 2023 (d) 2024 (e) Total
2a Lobbying nontaxable amount 1,000,000 1,000,000 1,000,000 1,000,000 4,000,000
b Lobbying ceiling amount
(150% of line 2a, column(e)) 		6,000,000
c Total lobbying expenditures 194,560 219,345 236,310 214,104 864,319
d Grassroots nontaxable amount 250,000 250,000 250,000 250,000 1,000,000
e Grassroots ceiling amount
(150% of line 2d, column (e))		 1,500,000
f Grassroots lobbying expenditures 658 750 1,827 2,541 5,776
Schedule C (Form 990) 2024


Schedule C (Form 990) 2024
Page 3
Part II-B
Complete if the organization is exempt under section 501(c)(3) and has NOT filed Form 5768 (election under section 501(h)).
For each "Yes" response on lines 1a through 1i below, provide in Part IV a detailed description of the lobbying activity.
(a)
Yes
No
(b)
Amount
1
During the year, did the filing organization attempt to influence foreign, national, state or local legislation, including any attempt to influence public opinion on a legislative matter or referendum, through the use of:
a
Volunteers? ...........................................................................................................
 
 
b
Paid staff or management (include compensation in expenses reported on lines 1c through 1i)? ........
 
 
c
Media advertisements? ...................................................................................................
 
 
 
d
Mailings to members, legislators, or the public? .............................................................................
 
 
 
e
Publications, or published or broadcast statements? ...........................................................
 
 
 
f
Grants to other organizations for lobbying purposes? ..........................................................
 
 
 
g
Direct contact with legislators, their staffs, government officials, or a legislative body? .......................
 
 
 
h
Rallies, demonstrations, seminars, conventions, speeches, lectures, or any similar means? ..................
 
 
 
i
Other activities? ...................................................................................................................
 
 
 
j
Total. Add lines 1c through 1i ....................................................................................................
 
2a
Did the activities in line 1 cause the organization to be not described in section 501(c)(3)? .....
 
 
b
If "Yes," enter the amount of any tax incurred under section 4912 ...........................................
 
c
If "Yes," enter the amount of any tax incurred by organization managers under section 4912 ...................
 
d
If the filing organization incurred a section 4912 tax, did it file Form 4720 for this year? ........................
 
 
Part III-A
Complete if the organization is exempt under section 501(c)(4), section 501(c)(5), or section 501(c)(6).
Yes
No
1
Were substantially all (90% or more) dues received nondeductible by members? ...............................................
1
 
 
2
Did the organization make only in-house lobbying expenditures of $2,000 or less? ............................................
2
 
 
3
Did the organization agree to carry over lobbying and political expenditures from the prior year? .................................
3
 
 
Part III-B
Complete if the organization is exempt under section 501(c)(4), section 501(c)(5), or section 501(c)(6) and if either (a) BOTH Part III-A, lines 1 and 2, are answered "No" OR (b) Part III-A, line 3, is answered “Yes."
1
Dues, assessments and similar amounts from members ......................................................................
1
 
2
Section 162(e) nondeductible lobbying and political expenditures (do not include amounts of political expenses for which the section 527(f) tax was paid).
a
Current year .............................................................................................................................
2a
 
b
Carryover from last year ............................................................................................................
2b
 
c
Total ...........................................................................................................................................
2c
 
3
Aggregate amount reported in section 6033(e)(1)(A) notices of nondeductible section 162(e) dues .
3
 
4
If notices were sent and the amount on line 2c exceeds the amount on line 3, what portion of the excess does the organization agree to carryover to the reasonable estimate of nondeductible lobbying and political expenditure next year? ......................................................................................................................
4
 
5
Taxable amount of lobbying and political expenditures. See Instructions .........................................
5
 
Part IV
Supplemental Information
Provide the descriptions required for Part l-A, line 1; Part l-B, line 4; Part l-C, line 5; Part II-A (affiliated group list); Part II-A, lines 1 and 2 (see instructions), and Part ll-B, line 1. Also, complete this part for any additional information.
Return Reference Explanation
Schedule C (Form 990) 2024


Additional Data


Software ID:  
Software Version:  

SCHEDULE D
(Form 990)

Department of the Treasury
Internal Revenue Service
Supplemental Financial Statements
right arrow Complete if the organization answered "Yes," on Form 990,
Part IV, line 6, 7, 8, 9, 10, 11a, 11b, 11c, 11d, 11e, 11f, 12a, or 12b.
right arrow Attach to Form 990.
right arrow Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
Open to Public Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Part I
Organizations Maintaining Donor Advised Funds or Other Similar Funds or Accounts. Complete if the organization answered "Yes" on Form 990, Part IV, line 6.
(a) Donor advised funds (b) Funds and other accounts
1 Total number at end of year .........    
2 Aggregate value of contributions to (during year)    
3 Aggregate value of grants from (during year)    
4 Aggregate value at end of year ........    
5
Did the organization inform all donors and donor advisors in writing that the assets held in donor advised funds are the organization’s property, subject to the organization’s exclusive legal control? ............
6
Did the organization inform all grantees, donors, and donor advisors in writing that grant funds can be used only for charitable purposes and not for the benefit of the donor or donor advisor, or for any other purpose conferring impermissible private benefit? ...................................
Part II
Conservation Easements.
Complete if the organization answered "Yes" on Form 990, Part IV, line 7.
1
Purpose(s) of conservation easements held by the organization (check all that apply).
2
Complete lines 2a through 2d if the organization held a qualified conservation contribution in the form of a conservation easement on the last day of the tax year.
Held at the End of the Year
a Total number of conservation easements ...................... 2a  
b Total acreage restricted by conservation easements .................... 2b  
c Number of conservation easements on a certified historic structure included in (a) ..... 2c  
d Number of conservation easements included in (c) acquired after July 25, 2006, and not on a historic structure listed in the National Register ... 2d  
3
Number of conservation easements modified, transferred, released, extinguished, or terminated by the organization during the
tax year right arrow  
4
Number of states where property subject to conservation easement is located right arrow  
5
Does the organization have a written policy regarding the periodic monitoring, inspection, handling of violations, and enforcement of the conservation easements it holds? ............
6
Staff and volunteer hours devoted to monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
right arrow  
7
Amount of expenses incurred in monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
right arrow $  
8
Does each conservation easement reported on line 2(d) above satisfy the requirements of section 170(h)(4)(B)(i) and section 170(h)(4)(B)(ii)? .............................
9
In Part XIII, describe how the organization reports conservation easements in its revenue and expense statement, and
balance sheet, and include, if applicable, the text of the footnote to the organization’s financial statements that describes
the organization’s accounting for conservation easements.
Part III
Organizations Maintaining Collections of Art, Historical Treasures, or Other Similar Assets.
Complete if the organization answered "Yes" on Form 990, Part IV, line 8.
1a
If the organization elected, as permitted under FASB ASC 958, not to report in its revenue statement and balance sheet works of art, historical treasures, or other similar assets held for public exhibition, education, or research in furtherance of public service, provide, in Part XIII, the text of the footnote to its financial statements that describes these items.
b
If the organization elected, as permitted under FASB ASC 958, to report in its revenue statement and balance sheet works of art, historical treasures, or other similar assets held for public exhibition, education, or research in furtherance of public service, provide the following amounts relating to these items:
(i)
Revenue included on Form 990, Part VIII, line 1 .........................right arrow $  
(ii)
Assets included in Form 990, Part X ...............................right arrow $ 212,450
2
If the organization received or held works of art, historical treasures, or other similar assets for financial gain, provide the
following amounts required to be reported under FASB ASC 958 relating to these items:
a
Revenue included on Form 990, Part VIII, line 1 ..........................right arrow $  
b
Assets included in Form 990, Part X ...............................right arrow $  
For Paperwork Reduction Act Notice, see the Instructions for Form 990.
Cat. No. 52283D
Schedule D (Form 990) (Rev. 1-2025)

Schedule D (Form 990) (Rev. 1-2025)
Page 2
Part III
Organizations Maintaining Collections of Art, Historical Treasures, or Other Similar Assets (continued)
3
Using the organization’s acquisition, accession, and other records, check any of the following that are a significant use of its collection items (check all that apply):
a
d
b
e
 
c
4
Provide a description of the organization’s collections and explain how they further the organization’s exempt purpose in
Part XIII.
5
During the year, did the organization solicit or receive donations of art, historical treasures or other similar
assets to be sold to raise funds rather than to be maintained as part of the organization’s collection?...
Part IV
Escrow and Custodial Arrangements. Complete if the organization answered "Yes" on Form 990, Part IV, line 9, or reported an amount on Form 990, Part X, line 21.
1a
Is the organization an agent, trustee, custodian or other intermediary for contributions or other assets not
included on Form 990, Part X? ....................................
b If "Yes," explain the arrangement in Part XIII and complete the following table: Amount
c Beginning balance ............................. 1c  
d Additions during the year ............................ 1d  
e Distributions during the year .......................... 1e  
f Ending balance ................................ 1f  
2a
Did the organization include an amount on Form 990, Part X, line 21, for escrow or custodial account liability? ...
b
If "Yes," explain the arrangement in Part XIII. Check here if the explanation has been provided in Part XIII ....
Part V
Endowment Funds.
Complete if the organization answered "Yes" on Form 990, Part IV, line 10.
(a) Current year (b) Prior year (c) Two years back (d) Three years back (e) Four years back
1a Beginning of year balance .... 3,057,239 2,731,104 3,322,044 3,015,896 2,772,831
b Contributions ... 0 100 4,375 254 100
c Net investment earnings, gains, and losses 406,087 446,815 -540,320 354,519 334,873
d Grants or scholarships ... 0 1,000 1,000 10,123 54,203
e Other expenditures for facilities
and programs ... 		         
f Administrative expenses .... 75,002 119,780 53,995 38,502 37,705
g End of year balance ...... 3,388,324 3,057,239 2,731,104 3,322,044 3,015,896
2
Provide the estimated percentage of the current year end balance (line 1g, column (a)) held as:
a
Board designated or quasi-endowment right arrow0 %
b
Permanent endowment right arrow59.593 %
c
Term endowment right arrow40.407 %
The percentages on lines 2a, 2b, and 2c should equal 100%.
3a
Are there endowment funds not in the possession of the organization that are held and administered for the
organization by:

Yes
No
(i) Unrelated organizations .................
3a(i)
 
No
(ii) Related organizations .................
3a(ii)
 
No
b
If "Yes" on 3a(ii), are the related organizations listed as required on Schedule R? .........
3b
 
 
4
Describe in Part XIII the intended uses of the organization's endowment funds.
Part VI
Land, Buildings, and Equipment.
Complete if the organization answered "Yes" on Form 990, Part IV, line 11a. See Form 990, Part X, line 10.
Description of property (a) Cost or other basis
(investment) 		(b) Cost or other basis (other) (c) Accumulated depreciation (d) Book value
1a Land .....      
b Buildings ....   17,157,207 7,142,185 10,015,022
c Leasehold improvements   98,043 98,043 0
d Equipment ....   3,474,320 3,289,382 184,938
e Other .....   849,769 690,269 159,500
Total. Add lines 1a through 1e. (Column (d) must equal Form 990, Part X, column (B), line 10(c).)..right arrow 10,359,460
Schedule D (Form 990) (Rev. 1-2025)

Schedule D (Form 990) (Rev. 1-2025)
Page 3
Part VII
Investments - Other Securities.
Complete if the organization answered "Yes" on Form 990, Part IV, line 11b. See Form 990, Part X, line 12.
(a) Description of security or category
(including name of security)		 (b) Book value (c) Method of valuation:
Cost or end-of-year market value
(1) Financial derivatives.........    
(2) Closely-held equity interests........    
(3)Other
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
Total. (Column (b) must equal Form 990, Part X, col. (B) line 12.)right arrow  
Part VIII
Investments - Program Related. Complete if the organization answered 'Yes' on Form 990, Part IV, line 11c. See Form 990, Part X, line 13.
(a) Description of investment (b) Book value (c) Method of valuation:
Cost or end-of-year market value
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 13.)right arrow  
Part IX
Other Assets.
Complete if the organization answered 'Yes' on Form 990, Part IV, line 11d. See Form 990, Part X, line 15.
(a) Description (b) Book value
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 15.)...........right arrow  
Part X
Other Liabilities.
Complete if the organization answered 'Yes' on Form 990, Part IV, line 11e or 11f. See Form 990, Part X, line 25.
1.(a) Description of liability (b) Book value
(1) Federal income taxes  








Total. (Column (b) must equal Form 990, Part X, col.(B) line 25.)right arrow  
2. Liability for uncertain tax positions. In Part XIII, provide the text of the footnote to the organization's financial statements that reports the organization's liability for uncertain tax positions under FIN 48 (ASC 740). Check here if the text of the footnote has been provided in Part XIII
Schedule D (Form 990) (Rev. 1-2025)

Schedule D (Form 990) (Rev. 1-2025)
Page 4
Part XI Reconciliation of Revenue per Audited Financial Statements With Revenue per Return. Complete if the organization answered 'Yes' on Form 990, Part IV, line 12a.
1 Total revenue, gains, and other support per audited financial statements ....... 1 35,695,013
2 Amounts included on line 1 but not on Form 990, Part VIII, line 12:
a Net unrealized gains (losses) on investments .... 2a 5,100,240
b Donated services and use of facilities ......... 2b 3,357,808
c Recoveries of prior year grants ........... 2c  
d Other (Describe in Part XIII.) ........... 2d  
e Add lines 2a through 2d ..................... 2e 8,458,048
3 Subtract line 2e from line 1.................. 3 27,236,965
4 Amounts included on Form 990, Part VIII, line 12, but not on line 1:
a Investment expenses not included on Form 990, Part VIII, line 7b . 4a 95,154
b Other (Describe in Part XIII.) ........... 4b  
c Add lines 4a and 4b.................... 4c 95,154
5 Total revenue. Add lines 3 and 4c. (This must equal Form 990, Part I, line 12.) ...... 5 27,332,119
Part XII Reconciliation of Expenses per Audited Financial Statements With Expenses per Return. Complete if the organization answered 'Yes' on Form 990, Part IV, line 12a.
1 Total expenses and losses per audited financial statements ........... 1 32,134,537
2 Amounts included on line 1 but not on Form 990, Part IX, line 25:
a Donated services and use of facilities ......... 2a 3,357,808
b Prior year adjustments ............ 2b  
c Other losses ................ 2c  
d Other (Describe in Part XIII.) ........... 2d  
e Add lines 2a through 2d.................... 2e 3,357,808
3 Subtract line 2e from line 1................... 3 28,776,729
4 Amounts included on Form 990, Part IX, line 25, but not on line 1:
a Investment expenses not included on Form 990, Part VIII, line 7b .. 4a 95,154
b Other (Describe in Part XIII.) ........... 4b  
c Add lines 4a and 4b..................... 4c 95,154
5 Total expenses. Add lines 3 and 4c. (This must equal Form 990, Part I, line 18.) ...... 5 28,871,883
Part XIII
Supplemental Information
Provide the descriptions required for Part II, lines 3, 5, and 9; Part III, lines 1a and 4; Part lV, lines 1b and 2b; Part V, line 4; Part X, line 2; Part XI, lines 2d and 4b; and Part XII, lines 2d and 4b. Also complete this part to provide any additional information.
Return Reference Explanation
PART III, LINE 4: THE CLARK T. SAWIN MEMORIAL LIBRARY IS HOUSED AT THE ENDOCRINE SOCIETY'S OFFICE IN WASHINGTON, DC. THE LIBRARY COLLECTION INCLUDES MORE THAN 5,300 BOOKS, MEETING PROGRAMS FROM ENDOCRINE ORGANIZATIONS CIRCA 1930 THROUGH CURRENT DAY. BY CATALOGING AND PRESERVING UNIQUE HISTORICAL ENDOCRINE LITERATURE AND ARTIFACTS, THE LIBRARY PLAYS AN IMPORTANT ROLE IN THE SOCIETY'S ROLE OF EDUCATION IN THE FIELD OF ENDOCRINOLOGY. BOOKS ARE REFERENCE MATERIALS ARE ALL AVAILABLE FOR CIRCULATION.
PART V, LINE 4: THE SOCIETY'S ENDOWMENT FUNDS HAVE BEEN ESTABLISHED FOR SPECIFIC PURPOSES AND ARE ADMINISTERED IN ACCORDANCE WITH THE DOCUMENTS THAT ESTABLISHED THE FUNDS. OF THE TOTAL YEAR END BALANCE, THE FUNDS ARE INTENDED TO BE USED AS FOLLOWS: SAWIN LIBRARY COLLECTION AND OPERATING SUPPORT - 36.9% AWARDS - 58.2% TRAVEL GRANTS - 4.9%
PART X, LINE 2: THE ORGANIZATION EVALUATED ITS UNCERTAINTY IN INCOME TAXES FOR THE YEARS ENDED DECEMBER 31, 2024 AND 2023, AND DETERMINED THAT THERE WERE NO MATTERS THAT WOULD REQUIRE RECOGNITION IN THE FINANCIAL STATEMENTS OR THAT MAY HAVE ANY EFFECT ON ITS TAX-EXEMPT STATUS; AND THERE ARE CURRENTLY NO AUDITS PENDING OR IN PROGRESS.
Schedule D (Form 990) (Rev. 1-2025)


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SCHEDULE F(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Statement of Activities Outside the United States
Right arrow Complete if the organization answered "Yes" to Form 990, Part IV, line 14b, 15, or 16.Right arrow Attach to Form 990.Right arrow Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
Open to Public Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Part I
General Information on Activities Outside the United States. Complete if the organization answered "Yes" on Form 990, Part IV, line 14b.
1
For grantmakers. Does the organization maintain records to substantiate the amount of its grants and
other assistance, the grantees’ eligibility for the grants or assistance, and the selection criteria used
to award the grants or assistance? . . . . . . . . . . . . . . . . . . . . . . . . .
2
For grantmakers. Describe in Part V the organization’s procedures for monitoring the use of its grants and other assistance outside the United States.
3
Activites per Region. (The following Part I, line 3 table can be duplicated if additional space is needed.)
(a) Region (b) Number of offices in the region (c) Number of employees, agents, and independent contractors in the region (d) Activities conducted in region (by type) (such as, fundraising, program services, investments, grants to recipients located in the region) (e) If activity listed in (d) is a program service, describe specific type of
service(s) in the region		 (f) Total expenditures
for and investments
in the region
EAST ASIA & THE PACIFIC 0 0 GRANTMAKING   4,150
EUROPE (INCLUDING ICELAND & GREENLAND) 0 0 GRANTMAKING   16,700
MIDDLE EAST AND NORTH AFRICA 0 0 GRANTMAKING   3,000
NORTH AMERICA (WHICH INCLUDES CANADA AND MEXICO, BUT NOT THE U.S.) 0 0 GRANTMAKING   7,850
SOUTH AMERICA 0 0 GRANTMAKING   4,150
SOUTH AMERICA 0 0 GRANTMAKING   3,700
SUB-SAHARAN AFRICA 0 0 GRANTMAKING   400
           
           
           
           
           
           
           
           
           
           
3a Sub-total .... 0 0 39,950
b Total from continuation sheets to Part I ... 0 0 0
c Totals (add lines 3a and 3b) 0 0 39,950
For Paperwork Reduction Act Notice, see the Instructions for Form 990.Cat. No. 50082W Schedule F (Form 990) (Rev. 1-2025)
Schedule F (Form 990) (Rev. 1-2025)
Page 2
Part II
Grants and Other Assistance to Organizations or Entities Outside the United States. Complete if the organization answered "Yes" on Form 990, Part IV, line 15, for any recipient who received more than $5,000. Part II can be duplicated if additional space is needed.
1 (a) Name of organization (b) IRS code section
and EIN (if applicable)		 (c) Region (d) Purpose of
grant 		(e) Amount of
cash grant 		(f) Manner of
cash
disbursement 		(g) Amount
of noncash
assistance 		(h) Description
of noncash
assistance 		(i) Method of
valuation
(book, FMV,
appraisal, other)
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
2 Enter total number of recipient organizations listed above that are recognized as charities by the foreign country, recognized as tax-exempt by the IRS, or for which the grantee or counsel has provided a section 501(c)(3) equivalency letter .......MediumBullet
 
3 Enter total number of other organizations or entities .......................MediumBullet
 
Schedule F (Form 990) (Rev. 1-2025)
Schedule F (Form 990) (Rev. 1-2025)Page 3
Part III
Grants and Other Assistance to Individuals Outside the United States. Complete if the organization answered "Yes" on Form 990, Part IV, line 16.
Part III can be duplicated if additional space is needed.
(a) Type of grant or assistance (b) Region (c) Number of recipients (d) Amount of
cash grant 		(e) Manner of cash
disbursement 		(f) Amount of
noncash
assistance 		(g) Description
of noncash
assistance 		(h) Method of
valuation
(book, FMV,
appraisal, other)
TRAVEL EAST ASIA & THE PACIFIC 3 1,900 WIRE OR CHECK      
TRAVEL EAST ASIA & THE PACIFIC 3 2,250 WIRE OR CHECK      
EARLY INVESTIGATOR EUROPE (INCLUDING ICELAND & GREENLAND) 1 1,000 WIRE OR CHECK      
LAUREATE EUROPE (INCLUDING ICELAND & GREENLAND) 2 3,500 WIRE OR CHECK      
RESEARCH EUROPE (INCLUDING ICELAND & GREENLAND) 1 1,500 WIRE OR CHECK      
TRAVEL EUROPE (INCLUDING ICELAND & GREENLAND) 16 10,700 WIRE OR CHECK      
TRAVEL MIDDLE EAST AND NORTH AFRICA 2 1,500 WIRE OR CHECK      
RESEARCH NORTH AMERICA (WHICH INCLUDES CANADA AND MEXICO, BUT NOT THE U.S.) 2 4,000 WIRE OR CHECK      
TRAVEL NORTH AMERICA (WHICH INCLUDES CANADA AND MEXICO, BUT NOT THE U.S.) 8 3,850 WIRE OR CHECK      
LAUREATE SOUTH AMERICA 1 3,000 WIRE OR CHECK      
TRAVEL SOUTH AMERICA 2 1,150 WIRE OR CHECK      
TRAVEL SOUTH ASIA 9 3,700 WIRE OR CHECK      
TRAVEL SUB-SAHARAN AFRICA 1 400 WIRE OR CHECK      
               
               
               
               
               
Schedule F (Form 990) (Rev. 1-2025)
Schedule F (Form 990) (Rev. 1-2025)
Page 4
Part IV
Foreign Forms
1 Was the organization a U.S. transferor of property to a foreign corporation during the tax year? If "Yes," the organization may be required to file Form 926, Return by a U.S. Transferor of Property to a Foreign Corporation (see Instructions for Form 926). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Did the organization have an interest in a foreign trust during the tax year? If "Yes," the organization may be required to separately file Form 3520, Annual Return to Report Transactions with Foreign Trusts and Receipt of Certain Foreign Gifts, and/or Form 3520-A, Annual Information Return of Foreign Trust With a U.S. Owner (see Instructions for Forms 3520 and 3520-A; don't file with Form 990). . . . . . . . . . . . . . . . . . . . . . . .
3 Did the organization have an ownership interest in a foreign corporation during the tax year? If "Yes," the organization may be required to file Form 5471, Information Return of U.S. Persons with Respect to Certain Foreign Corporations. (see Instructions for Form 5471). . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Was the organization a direct or indirect shareholder of a passive foreign investment company or a qualified electing fund during the tax year? If “Yes,” the organization may be required to file Form 8621, Information Return by a Shareholder of a Passive Foreign Investment Company or Qualified Electing Fund. (see Instructions for Form 8621) .
5 Did the organization have an ownership interest in a foreign partnership during the tax year? If "Yes," the organization may be required to file Form 8865, Return of U.S. Persons with Respect to Certain Foreign Partnerships (see Instructions for Form 8865). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Did the organization have any operations in or related to any boycotting countries during the tax year? If "Yes," the organization may be required to separately file Form 5713, International Boycott Report (see Instructions for Form 5713; don't file with Form 990).. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Schedule F (Form 990) (Rev. 1-2025)
Schedule F (Form 990) (Rev. 1-2025)
Page 5
Part V
Supplemental Information
Provide the information required by Part I, line 2 (monitoring of funds); Part I, line 3, column (f) (accounting method; amounts of investments vs. expenditures per region); Part II, line 1 (accounting method); Part III (accounting method); and Part III, column (c) (estimated number of recipients), as applicable. Also complete this part to provide any additional information. See instructions.
ReturnReference Explanation
PART I, LINE 2: ALL AWARDS ACCOUNTED FOR ON THE ACCRUAL BASIS. SUMMER RESEARCH AWARDS: THESE AWARDS ARE TO FUND PROMISING UNDERGRADUATE GRADUATE, AND MEDICAL STUDENTS WHO INTEND TO PURSUE CAREERS IN ENDOCRINOLOGY. THE STUDENTS PARTICIPATE IN RESEARCH PROJECTS UNDER THE GUIDANCE OF A SOCIETY MEMBER FOR 10 - 12 WEEKS IN THE SUMMER. A SOCIETY MEMBER ACTS AS ADVISOR AND EVALUATES THE STUDENTS' WORK. STUDENT AUTHOR AWARDS: AWARDEES ARE CHOSEN FROM AUTHORS OF PAPERS THAT ARE ACCEPTED AS ARTICLES IN ONE OF THE SOCIETY'S JOURNALS. THE STUDENT AUTHORS SIGN UP TO BE CONSIDERED FOR THE AWARD. ALL AWARDEES MUST SUBMIT CURRICULA VITAE TO ENSURE THEY ARE ELIGIBLE. SINCE THE AWARD IS GIVEN FOR WORK ALREADY COMPLETED, THERE IS NO NEED TO MONITOR THE USE OF THE FUNDS. TRAVEL AWARDS: TRAVEL AWARDS ARE FOR TRAINEES IN ENDOCRINOLOGY TO TRAVEL TO THE SOCIETY'S ANNUAL EDUCATIONAL MEETING. THE CHECKS ARE DISTRIBUTED AT THE MEETING. IT IS ASSUMED THE ATTENDEE NEEDED THE FUNDS FOR TRAVEL IF THEY ATTENDED THE MEETING. IF AN AWARDEE DOES NOT ATTEND THE MEETING, THE AWARD IS NOT PROVIDED TO THEM. ABSTRACT AWARDS: AWARDEES ARE CHOSEN FROM APPLICATIONS BASED ON RESEARCH WORK THAT RESULTED IN A SCIENTIFIC ABSTRACT. THE AWARDEE MUST PRESENT A POSTER AT THE SOCIETY'S ANNUAL EDUCATIONAL MEETING. SINCE THE AWARD IS GIVEN FOR WORK ALREADY COMPLETED, THERE IS NO NEED TO MONITOR THE USE OF THE FUNDS. THE JOHN D. BAXTER PRIZE FOR ENTREPRENEURSHIP WAS ESTABLISHED TO RECOGNIZE THE EXTRAORDINARY ACHIEVEMENT OF BRINGING AN IDEA, PRODUCT, SERVICE, OR PROCESS TO MARKET; WHICH ULTIMATELY ELEVATES THE FIELD OF ENDOCRINOLOGY, AND POSITIVELY IMPACTS THE HEALTH OF PATIENTS. THIS IS AWARDED EVERY OTHER YEAR STARTING IN 2018. ALL OTHER GRANTS AND AWARDS ARE GIVEN BASED ON AN APPLICATION OR A NOMINATION BY A SOCIETY MEMBER THAT REFERENCES CERTAIN WORK OF THE APPLICANT, SUCH AS A SCIENTIFIC ABSTRACT, AN ARTICLE, A POSTER, OR A BODY OF WORK. SOME OF THE AWARDS STIPULATE THAT THE AWARDEE PRESENT A POSTER OR GIVE AN ORAL PRESENTATION AT THE SOCIETY'S ANNUAL EDUCATIONAL MEETING. HOWEVER, SINCE THE GRANT/AWARD IS GIVEN FOR WORK ALREADY COMPLETED, THERE IS NO NEED TO MONITOR THE USE OF THE FUNDS.
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
Schedule F (Form 990) (Rev. 1-2025)
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Schedule I
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Grants and Other Assistance to Organizations,
Governments and Individuals in the United States
Complete if the organization answered "Yes," on Form 990, Part IV, line 21 or 22.
lBullet Attach to Form 990.
lBullet Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
Open to Public
Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number
73-0531256
Part I
General Information on Grants and Assistance
1
Does the organization maintain records to substantiate the amount of the grants or assistance, the grantees' eligibility for the grants or assistance, and
the selection criteria used to award the grants or assistance? ........................
2
Describe in Part IV the organization's procedures for monitoring the use of grant funds in the United States.
Part II
Grants and Other Assistance to Domestic Organizations and Domestic Governments. Complete if the organization answered "Yes" on Form 990, Part IV, line 21, for any recipient
that received more than $5,000. Part II can be duplicated if additional space is needed.
(a) Name and address of organization
or government		 (b) EIN (c) IRC section
(if applicable)		 (d) Amount of cash grant (e) Amount of non-cash
assistance		 (f) Method of valuation
(book, FMV, appraisal,
other)		 (g) Description of
noncash assistance		 (h) Purpose of grant
or assistance
(1) THE OHIO STATE UNIVERSITY - OFFICE OF SPONSORSHIPS
1960 KENNY ROAD
COLUMBUS,OH43210 		31-6025986 501(C)(3) 14,350 0     GENERAL SUPPORT
2
Enter total number of section 501(c)(3) and government organizations listed in the line 1 table ................. Bullet Image
1
3
Enter total number of other organizations listed in the line 1 table ........................ . Bullet Image
0
For Paperwork Reduction Act Notice, see the Instructions for Form 990.
Cat. No. 50055P
Schedule I (Form 990) Rev. 1-2025

Schedule I (Form 990) Rev. 1-2025
Page 2
Part III
Grants and Other Assistance to Domestic Individuals. Complete if the organization answered "Yes" on Form 990, Part IV, line 22.
Part III can be duplicated if additional space is needed.
(a) Type of grant or assistance (b) Number of
recipients		 (c) Amount of
cash grant		 (d) Amount of
noncash assistance		 (e) Method of valuation (book,
FMV, appraisal, other)		 (f) Description of noncash assistance
(1) OUTSTANDING CONTRIBUTIONS TO ENDOCRINOLOGY- LAUREATE AWARDS 5 34,500      
(2) RESEARCH AWARDS 24 48,000      
(3) EARLY INVESTIGATION AWARDS 4 6,000      
(4) TRAVEL AWARDS 140 62,500      
(4)
(5)
(6)
(7)
Part IV
Supplemental Information. Provide the information required in Part I, line 2; Part III, column (b); and any other additional information.
Return Reference Explanation
PART I, LINE 2: ENDOCRINE RESEARCH GRANTS - SEVERAL TYPES: RESEARCH GRANTS FOR MD'S OR PHD CANDIDATES: AWARDS ARE BASED ON AN APPLICATION PROCESS THAT INCLUDES SPECIFIC RESEARCH UNDER A MENTOR WHO IS A SOCIETY MEMBER. COMPLETION REQUIRES THAT AN ABSTRACT WILL BE PRESENTED AT THE SOCIETY'S ANNUAL EDUCATIONAL MEETING AND THAT AN ARTICLE PUBLISHED IN A PEER-REVIEWED JOURNAL SHOULD RESULT FROM THE RESEARCH. SUMMER RESEARCH AWARDS: THESE AWARDS ARE TO FUND PROMISING UNDERGRADUATE, GRADUATE, AND MEDICAL STUDENTS WHO INTEND TO PURSUE CAREERS IN ENDOCRINOLOGY. THE STUDENTS PARTICIPATE IN RESEARCH PROJECTS UNDER THE GUIDANCE OF A SOCIETY MEMBER FOR 10 - 12 WEEKS IN THE SUMMER. THE SOCIETY MEMBER ACTS AS ADVISOR AND EVALUATES THE STUDENTS' WORK. TRAVEL AWARDS: TRAVEL AWARDS ARE FOR TRAINEES IN ENDOCRINOLOGY TO TRAVEL TO THE SOCIETY'S ANNUAL EDUCATIONAL MEETING. THE CHECKS ARE DISTRIBUTED AT THE MEETING. IT IS ASSUMED THE ATTENDEE NEEDED THE FUNDS FOR TRAVEL IF THEY ATTENDED THE MEETING. IF AN AWARDEE DOES NOT ATTEND THE MEETING, THE AWARD IS NOT PROVIDED TO THEM. AWARDS FOR OUTSTANDING CONTRIBUTIONS TO THE FIELD OF ENDOCRINOLOGY ARE BASED ON NOMINATIONS FROM MEMBERS OF THE SOCIETY. THEY ARE GIVEN FOR A BODY OF WORK DURING THE CAREER OF THE WINNER AND THERE IS NO REQUIREMENT TO MONITOR THE USE OF FUNDS. ALL OTHER GRANTS AND AWARDS ARE GIVEN BASED ON AN APPLICATION OR A NOMINATION BY A SOCIETY MEMBER THAT REFERENCES CERTAIN WORK OF THE APPLICANT, SUCH AS A SCIENTIFIC ABSTRACT, AN ARTICLE, A POSTER, EXCELLENCE IN EDUCATION, OR A BODY OF WORK. SOME OF THE AWARDS STIPULATE THAT THE AWARDEE PRESENT A POSTER OR GIVE AN ORAL PRESENTATION AT THE SOCIETY'S ANNUAL EDUCATIONAL MEETING. HOWEVER, SINCE THE GRANT/AWARD IS GIVEN FOR WORK ALREADY COMPLETED, THERE IS NO NEED TO MONITOR THE USE OF THE FUNDS.
Schedule I (Form 990) Rev. 1-2025



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Schedule J
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Compensation Information
For certain Officers, Directors, Trustees, Key Employees, and Highest
Compensated Employees
medium right arrow graphic Complete if the organization answered "Yes" on Form 990, Part IV, line 23.
medium right arrow graphic Attach to Form 990.
medium right arrow graphic Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
Open to Public Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Part I
Questions Regarding Compensation
Yes
No
1a
Check the appropiate box(es) if the organization provided any of the following to or for a person listed on Form
990, Part VII, Section A, line 1a. Complete Part III to provide any relevant information regarding these items.
b
If any of the boxes on Line 1a are checked, did the organization follow a written policy regarding payment or reimbursement or provision of all of the expenses described above? If "No," complete Part III to explain .....
1b
 
 
2
Did the organization require substantiation prior to reimbursing or allowing expenses incurred by all
directors, trustees, officers, including the CEO/Executive Director, regarding the items checked on Line 1a? ....
2
 
 
3
Indicate which, if any, of the following the filing organization used to establish the compensation of the
organization's CEO/Executive Director. Check all that apply. Do not check any boxes for methods
used by a related organization to establish compensation of the CEO/Executive Director, but explain in Part III.
4
During the year, did any person listed on Form 990, Part VII, Section A, line 1a, with respect to the filing organization or a related organization:
a
Receive a severance payment or change-of-control payment? .............
4a
 
No
b
Participate in, or receive payment from, a supplemental nonqualified retirement plan? .........
4b
 
No
c
Participate in, or receive payment from, an equity-based compensation arrangement? .........
4c
 
No
If "Yes" to any of lines 4a-c, list the persons and provide the applicable amounts for each item in Part III.
Only 501(c)(3), 501(c)(4), and 501(c)(29) organizations must complete lines 5-9.
5
For persons listed on Form 990, Part VII, Section A, line 1a, did the organization pay or accrue any
compensation contingent on the revenues of:
a
The organization? ....................
5a
 
No
b
Any related organization? .......................
5b
 
No
If "Yes," on line 5a or 5b, describe in Part III.
6
For persons listed on Form 990, Part VII, Section A, line 1a, did the organization pay or accrue any
compensation contingent on the net earnings of:
a
The organization? ..................
6a
 
No
b
Any related organization? ......................
6b
 
No
If "Yes," on line 6a or 6b, describe in Part III.
7
For persons listed on Form 990, Part VII, Section A, line 1a, did the organization provide any nonfixed
payments not described in lines 5 and 6? If "Yes," describe in Part III ............
7
Yes
 
8
Were any amounts reported on Form 990, Part VII, paid or accured pursuant to a contract that was
subject to the initial contract exception described in Regulations section 53.4958-4(a)(3)? If "Yes," describe
in Part III ..........................
8
 
No
9
If "Yes" on line 8, did the organization also follow the rebuttable presumption procedure described in Regulations section 53.4958-6(c)? .........................
9
 
 
For Paperwork Reduction Act Notice, see the Instructions for Form 990.
Cat. No. 50053T
Schedule J (Form 990) (Rev. 1-2025)

Schedule J (Form 990) (Rev. 1-2025)
Page 2
Part II
Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees. Use duplicate copies if additional space is needed.
For each individual whose compensation must be reported on Schedule J, report compensation from the organization on row (i) and from related organizations, described in the
instructions, on row (ii). Do not list any individuals that are not listed on Form 990, Part VII.
Note. The sum of columns (B)(i)-(iii) for each listed individual must equal the total amount of Form 990, Part VII, Section A, line 1a, applicable column (D) and (E) amounts for that individual.
(A) Name and Title (B) Breakdown of W-2, 1099-MISC compensation, and/or 1099-NEC (C) Retirement and other deferred compensation (D) Nontaxable
benefits		 (E) Total of columns
(B)(i)-(D) 		(F) Compensation in column (B) reported as deferred on prior Form 990
(i) Base
compensation 		(ii) Bonus & incentive
compensation 		(iii) Other reportable compensation
1KATE FRYER
CHIEF EXECUTIVE OFFICER 		(i)

(ii)		 585,540
-------------
0 		82,194
-------------
0 		53,913
-------------
0 		33,000
-------------
0 		40,158
-------------
0 		794,805
-------------
0 		0
-------------
0
2ROB LASH
CHIEF MEDICAL OFFICER 		(i)

(ii)		 371,478
-------------
0 		25,000
-------------
0 		5,334
-------------
0 		33,000
-------------
0 		33,790
-------------
0 		468,602
-------------
0 		0
-------------
0
3ZERIHUN HAILE-ZELASSIE
CHIEF FINANCIAL OFFICER 		(i)

(ii)		 346,959
-------------
0 		25,000
-------------
0 		630
-------------
0 		34,500
-------------
0 		37,348
-------------
0 		444,437
-------------
0 		0
-------------
0
4MILA BECKER
CHIEF POLICY OFFICER 		(i)

(ii)		 338,850
-------------
0 		13,000
-------------
0 		1,806
-------------
0 		31,379
-------------
0 		1,118
-------------
0 		386,153
-------------
0 		0
-------------
0
5RICHARD O'GRADY
CHIEF PUBLICATIONS OFFICER 		(i)

(ii)		 290,534
-------------
0 		10,000
-------------
0 		5,334
-------------
0 		29,894
-------------
0 		37,081
-------------
0 		372,843
-------------
0 		0
-------------
0
6KRISTA KIRK
CHIEF PEOPLE OFFICER 		(i)

(ii)		 284,542
-------------
0 		10,000
-------------
0 		966
-------------
0 		29,295
-------------
0 		37,081
-------------
0 		361,884
-------------
0 		0
-------------
0
7CHRIS URENA
CHIEF LEARNING OFFICER 		(i)

(ii)		 254,255
-------------
0 		10,500
-------------
0 		418
-------------
0 		25,571
-------------
0 		13,966
-------------
0 		304,710
-------------
0 		0
-------------
0
8AARON LOHR
CHIEF COMMUNICATIONS OFFICER 		(i)

(ii)		 220,174
-------------
0 		18,000
-------------
0 		630
-------------
0 		22,858
-------------
0 		37,026
-------------
0 		298,688
-------------
0 		0
-------------
0
9STEVEN MEYERS
CHIEF STATEGY OFFICER 		(i)

(ii)		 212,094
-------------
0 		0
-------------
0 		307
-------------
0 		21,709
-------------
0 		36,268
-------------
0 		270,378
-------------
0 		0
-------------
0
10MICHAEL FLETCHER
DIRECTOR, IT 		(i)

(ii)		 172,191
-------------
0 		3,600
-------------
0 		420
-------------
0 		18,059
-------------
0 		36,763
-------------
0 		231,033
-------------
0 		0
-------------
0
11TIMOTHY BEARDSLEY
EXECUTIVE EDITOR 		(i)

(ii)		 169,142
-------------
0 		3,500
-------------
0 		5,334
-------------
0 		17,663
-------------
0 		25,957
-------------
0 		221,596
-------------
0 		0
-------------
0
Schedule J (Form 990) (Rev. 1-2025)

Schedule J (Form 990) (Rev. 1-2025)
Page 3
Part III
Supplemental Information
Provide the information, explanation, or descriptions required for Part I, lines 1a, 1b, 3, 4a, 4b, 4c, 5a, 5b, 6a, 6b, 7, and 8, and for Part II. Also complete this part for any additional information.
Return Reference Explanation
PART I, LINE 7 ALL EMPLOYEES ARE ELIGIBLE FOR DISCRETIONARY YEAR-END BONUSES. THEY ARE BASED PRIMARILY ON WORK PERFORMANCE DURING THE YEAR AND HAVE BEEN GIVEN IN DECEMBER THE LAST FEW YEARS.
Schedule J (Form 990) (Rev. 1-2025)

Additional Data


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Schedule K
(Form 990)
Department of the Treasury
Internal Revenue Service
Supplemental Information on Tax-Exempt Bonds
Complete if the organization answered "Yes" to Form 990, Part Ⅵ, line 24a. Provide descriptions,
explanations, and any additional information in Part Ⅵ.
Attach to Form 990.
Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
Open to Public
Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number
73-0531256
Part Ⅰ
Bond Issues
(a) Issuer name (b) Issuer EIN (c) CUSIP # (d) Date issued (e) Issue price (f) Description of purpose (g) Defeased (h) On
behalf of
issuer		 (i) Pool
financing
Yes No Yes No Yes No
A DISTRICT OF COLUMBIA
  		53-6001131   11-01-2013 14,200,000 TO PROVIDE FUNDS FOR ACQUISITION, CONSTRUCTION, AND FURNISHING OF HEADQUARTE   X   X   X
Part Ⅱ
Proceeds
A B C D
1 Amount of bonds retired ..................        
2 Amount of bonds legally defeased ..............        
3 Total proceeds of issue .................. 14,200,000      
4 Gross proceeds in reserve funds .............        
5 Capitalized interest from proceeds ............. 147,325      
6 Proceeds in refunding escrows ...............        
7 Issuance costs from proceeds ...............        
8 Credit enhancement from proceeds .............        
9 Working capital expenditures from proceeds .............        
10 Capital expenditures from proceeds ............. 14,200,000      
11 Other spent proceeds .............        
12 Other unspent proceeds .............        
13 Year of substantial completion ............. 2014
Yes No Yes No Yes No Yes No
14 Were the bonds issued as part of a current refunding issue of tax-exempt
bonds (or, if issued prior to 2020, a current refunding issue)? ........ 		  X            
15 Were the bonds issued as part of an advance refunding issue of taxable
bonds (or, if issued prior to 2020, an advance refunding issue)? ........ 		  X            
16 Has the final allocation of proceeds been made? ..........   X            
17 Does the organization maintain adequate books and records to support the final allocation of proceeds? .................. X              
For Paperwork Reduction Act Notice, see the Instructions for Form 990.
Cat. No. 50193E
Schedule K (Form 990) (Rev. 1-2025)

Schedule K (Form 990) (Rev. 1-2025)
Page 2
Part Ⅲ
Private Business Use
A B C D
Yes No Yes No Yes No Yes No
1 Was the organization a partner in a partnership, or a member of an LLC, which owned property financed by tax-exempt bonds? .............   X            
2 Are there any lease arrangements that may result in private business use of bond-financed property? ...............   X            
3a Are there any management or service contracts that may result in private business use of bond-financed property? ............. X              
b If "Yes" to line 3a, does the organization routinely engage bond counsel or other outside counsel to review any management or service contracts relating to the financed property? X              
c Are there any research agreements that may result in private business use of bond-financed property? .............   X            
d If "Yes" to line 3c, does the organization routinely engage bond counsel or other outside counsel to review any research agreements relating to the financed property?                
4 Enter the percentage of financed property used in a private business use by entities other than a section 501(c)(3) organization or a state or local government ....        
5 Enter the percentage of financed property used in a private business use as a result of unrelated trade or business activity carried on by your organization, another section 501(c)(3) organization, or a state or local government .........        
6 Total of lines 4 and 5 .............        
7 Does the bond issue meet the private security or payment test? ...   X            
8a Has there been a sale or disposition of any of the bond-financed property to a nongovernmental person other than a 501(c)(3) organization since the bonds were issued?.............   X            
b If "Yes" to line 8a, enter the percentage of bond-financed property sold or disposed of. ..        
c If "Yes" to line 8a, was any remedial action taken pursuant to Regulations sections 1.141-12 and 1.145-2? .............                
9 Has the organization established written procedures to ensure that all nonqualified bonds of the issue are remediated in accordance with the requirements under
Regulations sections 1.141-12 and 1.145-2? ........ 		X              
Part Ⅳ
Arbitrage
A B C D
Yes No Yes No Yes No Yes No
1 Has the issuer filed Form 8038-T, Arbitrage Rebate, Yield Reduction and Penalty in Lieu of Arbitrage Rebate? ...   X            
2 If "No" to line 1, did the following apply? ....
a Rebate not due yet? .......   X            
b Exception to rebate? ........   X            
c No rebate due? .........   X            
If "Yes" to line 2c, provide in Part Ⅵ the date the rebate
computation was performed ......
3 Is the bond issue a variable rate issue? ..... X              
Schedule K (Form 990) (Rev. 1-2025)

Schedule K (Form 990) (Rev. 1-2025)
Page 3
Part Ⅳ
Arbitrage (Continued)
A B C D
Yes No Yes No Yes No Yes No
4a Has the organization or the governmental issuer entered into a qualified hedge with respect to the bond issue?   X            
b Name of provider ..........  
  		 
  		 
  		 
 
c Term of hedge .........        
d Was the hedge superintegrated? ......                
e Was the hedge terminated? ........                
5a Were gross proceeds invested in a guaranteed investment contract (GIC)?   X            
b Name of provider ..........  
  		 
  		 
  		 
 
c Term of GIC .........        
d Was the regulatory safe harbor for establishing the fair market value of the GIC satisfied? ........                
6 Were any gross proceeds invested beyond an available temporary period?   X            
7 Has the organization established written procedures to monitor the requirements of section 148? ... X              
Part Ⅴ
Procedures To Undertake Corrective Action
A B C D
Yes No Yes No Yes No Yes No
Has the organization established written procedures to ensure that violations of federal tax requirements are timely identified and corrected through the voluntary closing agreement program if self-remediation is not available under applicable regulations? X              
Part Ⅵ
Supplemental Information. Provide additional information for responses to questions on Schedule K. (See instructions).
Return Reference Explanation
Schedule K (Form 990) (Rev. 1-2025)

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SCHEDULE O
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Supplemental Information to Form 990 or 990-EZ

Complete to provide information for responses to specific questions on
Form 990 or 990-EZ or to provide any additional information.
Attach to Form 990 or 990-EZ.
 Go to www.irs.gov/Form990 for instructions and the latest information.
OMB No. 1545-0047
Open to Public
Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Return Reference Explanation
FORM 990, PART VI, SECTION A, LINE 6 MEMBERSHIP SHALL CONSIST OF ACTIVE MEMBERS, EMERITUS MEMBERS, RETIRED MEMBERS, AND DOCTORAL-LEVEL TRAINEES, ALL OF WHOM ARE ENTITLED TO ONE VOTE ON MATTERS REQUIRING MEMBERSHIP ACTION.
FORM 990, PART VI, SECTION A, LINE 7A FOUR CLASSES OF MEMBERS HAVE THE RIGHT TO ELECT MEMBERS OF THE BOARD (GOVERNING BODY): ACTIVE MEMBERS, EMERITUS MEMBERS, RETIRED MEMBERS, AND DOCTORAL-LEVEL TRAINEE MEMBERS. ANY MEMBER OF THE SOCIETY MAY SUBMIT RECOMMENDATIONS TO THE NOMINATING COMMITTEE FOR ITS DELIBERATIONS. FOR THE FOUR OR FIVE POSITIONS ON THE NOMINATING COMMITTEE BECOMING VACANT EACH YEAR AND THE POSITIONS ON THE BOARD OF DIRECTORS BECOMING VACANT EACH YEAR, THE SOCIETY MEMBERS SHALL BE INVITED TO SUBMIT TO THE BOARD OF DIRECTORS NAMES OF MEMBERS THEY WISH TO BE CONSIDERED.
FORM 990, PART VI, SECTION A, LINE 7B DECISIONS THAT MAY REQUIRE MEMBER APPROVAL: 1. THE MEMBERS, PURSUANT TO PROCEDURES ESTABLISHED BY THE BOARD OF DIRECTORS AND THESE BYLAWS, SHALL ELECT BY BALLOT A PRESIDENT-ELECT. 2. REMOVAL OF OFFICERS, BOARD MEMBERS, OR APPOINTED OFFICIALS REQUIRES A VOTE OF TWO-THIRDS OF THE MEMBERSHIP RESPONDING TO THE BALLOT. 3. BOARD, AT ANY MEETING, MAY AMEND THE SOCIETY'S BYLAWS BY AN AFFIRMATIVE TWO-THIRDS VOTE OF THE NUMBER OF BOARD MEMBERS PROVIDED THAT THERE IS NO PROPOSAL TO REQUIRE A MEMBERSHIP VOTE FOR APPROVAL THAT HAS FOUR VOTES BY MEMBERS OF BOARD. IN THE EVENT THAT THERE ARE FOUR AFFIRMATIVE VOTES BY MEMBERS OF BOARD TO REQUIRE A VOTE BY THE SOCIETY MEMBERSHIP, THEN THE AMENDMENT WILL BE PUT TO A BALLOT OF THE MEMBERSHIP. BYLAW AMENDMENTS REQUIRE AN AFFIRMATIVE VOTE OF THREE-FIFTHS OF THE MEMBERSHIP RESPONDING WITHIN 45 DAYS AFTER THE TRANSMISSION OF THE BALLOT TO THE MEMBERS.
FORM 990, PART VI, SECTION B, LINE 11B A DETAILED REVIEW OF THE FORM 990 IS PERFORMED BY THE ASSOCIATE DIRECTOR FINANCE, THE CFO, THE SECRETARY-TREASURER, THE SECRETARY-TREASURER ELECT (WHEN OCCURRING), AND THE CEO. THE BOARD MEMBERS AND OFFICERS HAVE THE OPPORTUNITY TO REVIEW THE FORM 990 PRIOR TO FILING WITH THE IRS.
FORM 990, PART VI, SECTION B, LINE 12C BOARD MEMBERS AND KEY EMPLOYEES ARE REQUIRED TO READ AND SIGN A CONFLICT OF INTEREST STATEMENT ANNUALLY. THEY ARE REQUIRED TO DISCLOSE, IN WRITING, ANY CONFLICTS FROM BUSINESS TRANSACTIONS THAT WOULD NEED TO BE LISTED ON SCHEDULE L, PART IV. IN ADDITION, THE CONFLICT OF INTEREST STATEMENT IS READ AT THE BEGINNING OF EACH BOARD MEETING AND INDIVIDUALS ARE REQUIRED TO DISCLOSE ANY NEW CONFLICTS THEY ARE AWARE OF ARISING FROM THEIR OWN OR OTHER BOARD MEMBERS' ACTIVITIES. BOARD MEMBERS ARE REQUIRED TO RECUSE THEMSELVES FROM VOTING ON ANY ISSUE IN WHICH THEY HAVE A CONFLICT OF INTEREST. DEPENDING ON THE CONFLICT, THEY MAY ALSO BE REQUIRED TO LEAVE THE MEETING DURING THE DISCUSSION AND DELIBERATIONS AND THEY MAY NOT BE COUNTED IN DETERMINING A QUORUM FOR THE MEETING. MEETING MINUTES REFLECT ANY RECUSAL.
FORM 990, PART VI, SECTION B, LINE 15 AN INDEPENDENT THIRD-PARTY CONDUCTS A COMPENSATION MARKET ANALYSIS OF LIKE-SIZED ORGANIZATIONS FOR MEMBERS OF THE EXECUTIVE TEAM EVERY OTHER YEAR.
FORM 990, PART VI, SECTION C, LINE 19 THE ENDOCRINE SOCIETY'S BYLAWS AND ITS CONFLICT OF INTEREST POLICY ARE AVAILABLE ON THE WEBSITE: WWW.ENDOCRINE.ORG. THE SOCIETY'S FORM 990 IS AVAILABLE ON A PUBLIC WEBSITE (WWW.GUIDESTAR.ORG) OR UPON REQUEST TO THE SOCIETY.
FORM 990, PART IX, LINE 11G ACCOUNTS PAYABLE CONSULTANT: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 7,726. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 7,726. ADVERTISING COMMISSIONS: PROGRAM SERVICE EXPENSES 609,377. MANAGEMENT AND GENERAL EXPENSES 35,188. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 644,565. ANNUAL MEETING - APP: PROGRAM SERVICE EXPENSES 41,183. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 41,183. ASSOCIATION CONSULTING : PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 81,125. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 81,125. BUSINESS VALUATIONS - BUSINESS DEVELOPMENT FUND: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 14,500. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 14,500. CLINICAL PRACTICE GUIDELINES : PROGRAM SERVICE EXPENSES 93,125. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 93,125. COMMUNICATIONS/PUBLIC AFFAIRS CONSULTING: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 227,400. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 227,400. COMPENSATION CONSULTANTS: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 47,544. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 47,544. CONSULTING - FELLOWS -SCIENTIFIC WRITING AND EVALUATION: PROGRAM SERVICE EXPENSES 25,500. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 25,500. EDITORIAL SERVICES: PROGRAM SERVICE EXPENSES 297,754. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 297,754. ELECTION/BALLOT SERVICES: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 4,082. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 4,082. EMPLOYMENT COUNSELING: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 22,611. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 22,611. EVENT MANAGEMENT: PROGRAM SERVICE EXPENSES 75,000. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 75,000. EXCEL WORKSHOP COACHING: PROGRAM SERVICE EXPENSES 11,705. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 11,705. EXECUTIVE COACHING: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 3,850. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 3,850. EXECUTIVE COMPENSATION: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 24,753. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 24,753. FINANCE/SAGE CONSULTANT: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 22,174. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 22,174. GLOBAL EDC : PROGRAM SERVICE EXPENSES 65,724. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 65,724. GOVERNANCE & OPERATIONAL CONSULTING: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 403,361. TOTAL EXPENSES 403,361. INTERIM CONTROLLER : PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 119,019. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 119,019. INVESTMENT CONSULTANT - 403B: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 13,500. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 13,500. INVESTMENT MANAGEMENT CONSULTING: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 30,351. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 30,351. MEDICAL EDUCATION & COMMUNICATION SERVICES : PROGRAM SERVICE EXPENSES 243,213. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 9,160. TOTAL EXPENSES 252,373. MEDICAL ILLUSTRATORS: PROGRAM SERVICE EXPENSES 22,985. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 22,985. MEMBER WEBINAR ENGAGEMENT PLATFORM: PROGRAM SERVICE EXPENSES 41,250. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 41,250. MEMBERSHIP DUES - PRICING STUDY: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 92,501. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 92,501. MGMT OF SCIENTIFIC ABSTRACT SUBMISSIONS: PROGRAM SERVICE EXPENSES 85,234. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 85,234. MISCELLANEOUS: PROGRAM SERVICE EXPENSES 24,625. MANAGEMENT AND GENERAL EXPENSES 42,887. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 67,512. OBESITY MEASUREMENT GUIDELINES: PROGRAM SERVICE EXPENSES 52,198. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 52,198. PAYROLL & BENEFITS ADMINISTRATION: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 80,373. FUNDRAISING EXPENSES 0. TOTAL EXPENSES
FORM 990, PART XI, LINE 9: LOSS ON INVESTMENT IN JOINT VENTURE -635,557.
FORM 990, PART XII, LINE 2C: THE PROCESS HAS REMAINED UNCHANGED FROM THE PRIOR YEAR.
For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.
Cat. No. 51056K
Schedule O (Form 990) (Rev. 1-2025)


Additional Data


Software ID:  
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SCHEDULE R
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Related Organizations and Unrelated Partnerships
Complete if the organization answered "Yes" on Form 990, Part IV, line 33, 34, 35b, 36, or 37.
Attach to Form 990.
Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047
Open to Public Inspection
Name of the organization
ENDOCRINE SOCIETY
 
Employer identification number

73-0531256
Part I
Identification of Disregarded Entities. Complete if the organization answered "Yes" on Form 990, Part IV, line 33.
(a)
Name, address, and EIN (if applicable) of disregarded entity


(b)
Primary activity


 		(c)
Legal domicile (state
or foreign country)

 		(d)
Total income


 		(e)
End-of-year assets


 		(f)
Direct controlling
entity
(1) ES 2055 LLC
2055 L STREET NW
WASHINGTON,DC20036
46-5264439 		LEASING DC 313,414 109,171 ENDOCRINE SOCIETY
 










Part II
Identification of Related Tax-Exempt Organizations. Complete if the organization answered "Yes" on Form 990, Part IV, line 34 because it had one or more related tax-exempt organizations during the tax year.
(a)
Name, address, and EIN of related organization


(b)
Primary activity


 		(c)
Legal domicile (state
or foreign country)

 		(d)
Exempt Code section


 		(e)
Public charity status
(if section 501(c)(3))

 		(f)
Direct controlling
entity

 		(g)
Section 512(b)(13) controlled entity?
Yes No
(1)THE HORMONE FOUNDATION
2055 L STREET NW

WASHINGTON,DC20036
91-1800236 		PUBLIC EDUCATION - HORMONE RELATED HEALTH CONDITION MD 501(C)(3) LINE 7 THE ENDOCRINE SOCIETY
 
Yes
 












For Paperwork Reduction Act Notice, see the Instructions for Form 990.
Cat. No. 50135Y
Schedule R (Form 990) (Rev. 1-2025)
Schedule R (Form 990) (Rev. 1-2025)
Page 2
Part III
Identification of Related Organizations Taxable as a Partnership. Complete if the organization answered "Yes" on Form 990, Part IV, line 34, because it had one or more related organizations treated as a partnership during the tax year.
(a)
Name, address, and EIN of
related organization



 		(b)
Primary activity




 		(c)
Legal
domicile
(state or foreign
country)


 		(d)
Direct controlling
entity



 		(e)
Predominant income(related, unrelated, excluded from tax under sections 512-514)

(f)
Share of total income




 		(g)
Share of end-of-year
assets



 		(h)
Disproprtionate allocations?




 		(i)
Code V-UBI
amount in box 20 of
Schedule K-1
(Form 1065)
 		(j)
General or
managing
partner?



 		(k)
Percentage
ownership
Yes No Yes No












Part IV
Identification of Related Organizations Taxable as a Corporation or Trust. Complete if the organization answered "Yes" on Form 990, Part IV, line 34 because it had one or more related organizations treated as a corporation or trust during the tax year.
(a)
Name, address, and EIN of
related organization
 		(b)
Primary activity
 		(c)
Legal
domicile
(state or foreign
country)
 		(d)
Direct controlling
entity
 		(e)
Type of entity
(C corp, S corp,
or trust) 		(f)
Share of total income
 		(g)
Share of end-of-year
assets
 		(h)
Percentage
ownership
 		(i)
Section 512(b)(13) controlled entity?
Yes No
(1) ES HOLDING 1 LLC

2055 L STREET NW
WASHINGTON,DC20036
93-3922315 		HOLDING COMPANY DE ENDOCRINE SOCIETY
  		C -504,498 1,049,889 100.000 % Yes  












Schedule R (Form 990) (Rev. 1-2025)
Schedule R (Form 990) (Rev. 1-2025)
Page 3
Part V
Transactions With Related Organizations. Complete if the organization answered "Yes" on Form 990, Part IV, line 34, 35b, or 36.
Note. Complete line 1 if any entity is listed in Parts II, III, or IV of this schedule.
Yes
No
1 During the tax year, did the orgranization engage in any of the following transactions with one or more related organizations listed in Parts II-IV?
a Receipt of (i) interest, (ii) annuities, (iii) royalties, or (iv) rent from a controlled entity .....................
1a
 
No
b Gift, grant, or capital contribution to related organization(s) ............................
1b
 
No
c Gift, grant, or capital contribution from related organization(s) ............................
1c
 
No
d Loans or loan guarantees to or for related organization(s) ............................
1d
 
No
e Loans or loan guarantees by related organization(s) ............................
1e
 
No
f Dividends from related organization(s) ............................
1f
 
No
g Sale of assets to related organization(s) ............................
1g
 
No
h Purchase of assets from related organization(s) ............................
1h
 
No
i Exchange of assets with related organization(s) ............................
1i
 
No
j Lease of facilities, equipment, or other assets to related organization(s) .......................
1j
 
No
k Lease of facilities, equipment, or other assets from related organization(s) ......................
1k
 
No
l Performance of services or membership or fundraising solicitations for related organization(s) .....................
1l
 
No
m Performance of services or membership or fundraising solicitations by related organization(s) .................
1m
 
No
n Sharing of facilities, equipment, mailing lists, or other assets with related organization(s) ...................
1n
 
No
o Sharing of paid employees with related organization(s) ............................
1o
 
No
p Reimbursement paid to related organization(s) for expenses ............................
1p
 
No
q Reimbursement paid by related organization(s) for expenses ............................
1q
 
No
r Other transfer of cash or property to related organization(s) ............................
1r
 
No
s Other transfer of cash or property from related organization(s) ............................
1s
 
No
2
If the answer to any of the above is "Yes," see the instructions for information on who must complete this line, including covered relationships and transaction thresholds.
(a)
Name of related organization 		(b)
Transaction
type (a-s) 		(c)
Amount involved 		(d)
Method of determining amount involved





Schedule R (Form 990) (Rev. 1-2025)
Schedule R (Form 990) (Rev. 1-2025)
Page 4
Part VI
Unrelated Organizations Taxable as a Partnership. Complete if the organization answered "Yes" on Form 990, Part IV, line 37.
Provide the following information for each entity taxed as a partnership through which the organization conducted more than five percent of its activities (measured by total assets or gross revenue) that was not a related organization. See instructions regarding exclusion for certain investment partnerships.
(a)
Name, address, and EIN of entity 		(b)
Primary activity 		(c)
Legal domicile
(state or foreign
country) 		(d)
Predominant income (related, unrelated, excluded from tax under sections 512-514)

(e)
Are all partners
section
501(c)(3)
organizations? 		(f)
Share of total income




 		(g)
Share of
end-of-year
assets 		(h)
Disproprtionate allocations? 		(i)
Code V-UBI
amount in box 20
of Schedule K-1
(Form 1065) 		(j)
General or
managing
partner? 		(k)
Percentage
ownership
Yes No Yes No Yes No






























Schedule R (Form 990) (Rev. 1-2025)
Schedule R (Form 990) (Rev. 1-2025)
Page 5
Part VII
Supplemental Information
Provide additional information for responses to questions on Schedule R. See instructions.
Return Reference Explanation
Schedule R (Form 990) (Rev. 1-2025)

Additional Data


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