TY 2022 Form 990

- TIN:

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

2021

Open to Public Inspection

A For the 2021 calendar year, or tax year beginning 01-01-2022 , and ending 12-31-2022

BCheck if applicable: Address change Name change Initial return Final return/terminated Amended return Application pending

CName of organization
AMERICAN THORACIC SOCIETY INC

Doing business as

Number and street (or P.O. box if mail is not delivered to street address)
25 BROADWAY 4TH FLOOR

Room/suite

City or town, state or province, country, and ZIP or foreign postal code
NEW YORK, NY10004

D Employer identification number

06-1548706

E Telephone number

G Gross receipts $ 45,021,517

F Name and address of principal officer:
PATRICIA HUIE
25 BROADWAY 4TH FLOOR
NEW YORK,NY10004

Tax-exempt status: 501(c)(3) 501(c) ( ) LeftBullet

(insert no.) 4947(a)(1) or 527

Website:

WWW.THORACIC.ORG

H(a)

Is this a group return for
subordinates? Yes No

H(b)

Are all subordinates
included?

Yes No

If "No," attach a list. See instructions.

H(c)

Group exemption number MediumBullet

K Form of organization: Corporation Trust Association Other MediumBullet

L Year of formation: 2001

M State of legal domicile: DC

Part I

Summary

1	Briefly describe the organization’s mission or most significant activities: THE MISSION OF ATS IS TO ACCELERATE GLOBAL INNOVATION IN THE ADVANCEMENT OF RESPIRATORY HEALTH THROUGH MULTIDISCIPLINARY COLLABORATION, EDUCATION, AND ADVOCACY. THE MEDICAL AND SCIENTIFIC AREAS OF INTEREST ARE AS FOLLOWS: PULMONOLOGY, CRITICAL CARE, SLEEP MEDICINE, INFECTIOUS DISEASE, PEDIATRICS, ALLERGY/IMMUNOLOGY, THORACIC SURGERY, BEHAVIORAL SCIENCE, ENVIRONMENTAL AND OCCUPATIONAL MEDICINE, PHYSIOLOGY AND MOLECULAR BIOLOGY.
2	Check this box
3	Number of voting members of the governing body (Part VI, line 1a) ........	3	26
4	Number of independent voting members of the governing body (Part VI, line 1b) .....	4	24
5	Total number of individuals employed in calendar year 2021 (Part V, line 2a) ......	5	130
6	Total number of volunteers (estimate if necessary) .............	6	34
7a	Total unrelated business revenue from Part VIII, column (C), line 12 ........	7a	1,113,928
b	Net unrelated business taxable income from Form 990-T, Part I, line 11 .........	7b	581,845

		Prior Year	Current Year
8	Contributions and grants (Part VIII, line 1h) .........	2,324,764	8,453,524
9	Program service revenue (Part VIII, line 2g) .........	17,747,357	26,294,543
10	Investment income (Part VIII, column (A), lines 3, 4, and 7d ) ....	1,240,906	437,080
11	Other revenue (Part VIII, column (A), lines 5, 6d, 8c, 9c, 10c, and 11e)	1,141,445	8,310,799
12	Total revenue—add lines 8 through 11 (must equal Part VIII, column (A), line 12)	22,454,472	43,495,946
13	Grants and similar amounts paid (Part IX, column (A), lines 1–3 )...	1,516,515	1,656,418
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)	12,969,749	13,531,056
16a	Professional fundraising fees (Part IX, column (A), line 11e) .....	0	0
b	Total fundraising expenses (Part IX, column (D), line 25) 1,077,950
17	Other expenses (Part IX, column (A), lines 11a–11d, 11f–24e)....	11,032,276	19,168,896
18	Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25)	25,518,540	34,356,370
19	Revenue less expenses. Subtract line 18 from line 12.......	-3,064,068	9,139,576
		Beginning of Current Year	End of Year
20	Total assets (Part X, line 16).............	49,419,449	68,243,770
21	Total liabilities (Part X, line 26).............	17,957,479	32,367,158
22	Net assets or fund balances. Subtract line 21 from line 20.....	31,461,970	35,876,612

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

Check if
self-employed

PTIN

Firm's name MediumBullet

Firm's EIN MediumBullet

Firm's address MediumBullet

Phone no.

May the IRS discuss this return with the preparer shown above? (see instructions) ..........YesNo

For Paperwork Reduction Act Notice, see the separate instructions.

Cat. No. 11282Y Form 990 (2021)

Form 990 (2021)

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..............

Briefly describe the organization’s mission: AMERICAN THORACIC SOCIETY, INC. IS AN INTERNATIONAL PROFESSIONAL AND SCIENTIFIC SOCIETY WHICH PREVENTS AND FIGHTS RESPIRATORY DISEASE THROUGH RESEARCH, EDUCATION, PATIENT CARE AND ADVOCACY. THE MISSION OF ATS IS TO ACCELERATE GLOBAL INNOVATION IN THE ADVANCEMENT OF RESPIRATORY HEALTH THROUGH MULTIDISCIPLINARY COLLABORATION, EDUCATION, AND ADVOCACY. THE MEDICAL AND SCIENTIFIC AREAS OF INTEREST ARE AS FOLLOWS: PULMONOLOGY, CRITICAL CARE, SLEEP MEDICINE, INFECTIOUS DISEASE, PEDIATRICS, ALLERGY/IMMUNOLOGY, THORACIC SURGERY, BEHAVIORAL SCIENCE, ENVIRONMENTAL AND OCCUPATIONAL MEDICINE, PHYSIOLOGY AND MOLECULAR BIOLOGY.

Did the organization undertake any significant program services during the year which were not listed on
the prior Form 990 or 990-EZ? ..................... Yes No

If "Yes," describe these new services on Schedule O.

Did the organization cease conducting, or make significant changes in how it conducts, any program
services? ........................... Yes No

If "Yes," describe these changes on Schedule O.

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 $ 12,185,183 including grants of $ 16,101 ) (Revenue $ 23,520,466 )
	INTERNATIONAL CONFERENCE - PROVIDES ORIGINAL RESEARCH AND EDUCATION IN RESPIRATORY AND CRITICAL CARE MEDICINE. ANNUALLY, ATS HOLDS THE MOST PRESTIGIOUS RESPIRATORY AND CRITICAL CARE CONFERENCE OFFERING PROGRAMS FOR PHYSICIANS, SCIENTISTS AND HEALTH CARE PROVIDERS ON TOPICS IN AREAS OF PULMONARY, RESPIRATORY, SLEEP, ENVIRONMENTAL/OCCUPATIONAL HEALTH AND CRITICAL CARE MEDICINE. THIS INTERNATIONAL CONFERENCE FEATURES SIX DAYS OF PROFESSIONAL EDUCATION AND THE OPPORTUNITY FOR A CRITICAL EXCHANGE OF INFORMATION BETWEEN PULMONARY AND CRITICAL CARE SLEEP SPECIALISTS AROUND THE WORLD. PRESENTATIONS OF ORIGINAL RESEARCH IN ALL RESPIRATORY FIELDS ARE REPRESENTED AND SPECIAL TRACKS IN CLINICAL MEDICINE AND CRITICAL CARE OFFER A FOCUSED PROGRAM FOR CLINICIANS AND OTHERS.

4b	(Code: ) (Expenses $ 4,430,052 including grants of $ 1,200 ) (Revenue $ 5,380,093 )
	JOURNALS - ATS PUBLISHES THE AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE (AJRCCM), THE AMERICAN JOURNAL OF RESPIRATORY CELL AND MOLECULAR BIOLOGY (AJRCMB), THE ANNALS OF THE AMERICAN THORACIC SOCIETY, INC. (ANNALS ATS), AND ATS SCHOLAR.

4c	(Code: ) (Expenses $ 4,604,902 including grants of $ 334,764 ) (Revenue $ 344,412 )
	EDUCATIONAL PROGRAMS - TO PROVIDE EDUCATION FOR PULMONARY CRITICAL CARE, SLEEP MEDICINE CLINICIANS, RESEARCHERS, ADVANCE PRACTICE NURSES AND OTHER HEALTH CARE PROFESSIONALS. THROUGHOUT THE YEAR, EDUCATIONAL OPPORTUNITIES ARE ALSO PROVIDED IN A VARIETY OF TEACHING MODALITIES, INCLUDING LIVE EVENTS, JOURNAL CLUBS, WEBINARS, PODCASTS, AND ONLINE LEARNING.

	(Code: ) (Expenses $ 3,230,371 including grants of $ 1,304,353 ) (Revenue $ 4,271,729 )
	OTHER PROGRAMS CONSIST OF THE RESEARCH PROGRAM AND MEMBERSHIP SERVICES.RESEARCH PROGRAM - THE ATS RESEARCH PROGRAM SUPPORTS YOUNG INVESTIGATORS IN RESPIRATORY HEALTH WITH GRANTS THAT ENABLE THEM TO LAUNCH THEIR RESEARCH AND ULTIMATELY THEIR CAREERS. THE TALENTED BASIC, TRANSLATIONAL, AND CLINICAL INVESTIGATORS FUNDED THROUGH ATS RESEARCH PROGRAM AWARDS ARE TAKING NEW APPROACHES TO UNLOCK THE MYSTERIES OF RESPIRATORY DISEASES. THEIR TOPICS OF SCIENTIFIC EXPLORATION ARE DIVERSE AND INCLUDE LUNG CANCER, ASTHMA, ACUTE RESPIRATORY DISTRESS SYNDROME, PULMONARY FIBROSIS, CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD), SLEEP APNEA, AND MORE. BY PROVIDING RESEARCH GRANTS TO PROMISING YOUNG INVESTIGATORS, THE ATS RESEARCH PROGRAM LAUNCHES CAREERS DEDICATED TO ADVANCING SCIENTIFIC DISCOVERY AND BETTER PATIENT CARE.MEMBERSHIP SERVICES - THE HUB OF ATS'S CUSTOMER SERVICE CENTER FOR MEMBER INQUIRIES AND ASSISTANCE, AND THE COORDINATION OF MEMBER BENEFITS.

4d	Other program services (Describe in Schedule O.)
	(Expenses $ 3,230,371 including grants of $ 1,304,353 ) (Revenue $ 4,271,729 )
4e	Total program service expenses24,450,508

Form 990 (2021)

Page 3

Part IV

Checklist of Required Schedules

Yes

Is the organization described in section 501(c)(3) or 4947(a)(1) (other than a private foundation)? If "Yes," complete Schedule A Click to see attachment

List of Attached Documents:

// Content

.....................

Yes

Is the organization required to complete Schedule B, Schedule of Contributors? See instructions. Click to see attachment

List of Attached Documents:

// Content

...

Yes

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 I Click to see attachment

List of Attached Documents:

// Content

.............

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 II Click to see attachment

List of Attached Documents:

// Content

.........

Yes

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 III Click to see attachment

List of Attached Documents:

// Content

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 I Click to see attachment

List of Attached Documents:

// Content

.........................

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 II Click to see attachment

List of Attached Documents:

// Content

....

Did the organization maintain collections of works of art, historical treasures, or other similar assets? If "Yes,"
complete Schedule D, Part III Click to see attachment

List of Attached Documents:

// Content

..............

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 IV Click to see attachment

List of Attached Documents:

// Content

..............

Yes

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......

Yes

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.

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

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 VII Click to see attachment

List of Attached Documents:

// Content

.......

11b

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 VIII Click to see attachment

List of Attached Documents:

// Content

.......

11c

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 IX Click to see attachment

List of Attached Documents:

// Content

............

11d

Yes

Did the organization report an amount for other liabilities in Part X, line 25? If "Yes," complete Schedule D, Part X Click to see attachment

List of Attached Documents:

// Content

11e

Yes

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 X Click 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 XII Click to see attachment

List of Attached Documents:

// Content

......................

12a

Yes

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

Is the organization a school described in section 170(b)(1)(A)(ii)? If "Yes," complete Schedule E

14a

Did the organization maintain an office, employees, or agents outside of the United States? .....

14a

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

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

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

Yes

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. .... Click to see attachment

List of Attached Documents:

// Content

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............ Click to see attachment

List of Attached Documents:

// Content

Yes

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................... Click to see attachment

List of Attached Documents:

// Content

20a

Did the organization operate one or more hospital facilities? If "Yes," complete Schedule H....

20a

If "Yes" to line 20a, did the organization attach a copy of its audited financial statements to this return?

20b

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

Form 990 (2021)

Page 4

Part IV

Checklist of Required Schedules (continued)

Yes

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

Yes

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

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...............

24a

Did the organization invest any proceeds of tax-exempt bonds beyond a temporary period exception?...

24b

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

Did the organization act as an "on behalf of" issuer for bonds outstanding at any time during the year?...

24d

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

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

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...........

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.........................

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 current or former officer, director, trustee, key employee, creator or founder, or substantial contributor? If "Yes," complete Schedule L, Part IV......................

28a

A family member of any individual described in line 28a? If "Yes," complete Schedule L, Part IV.....

28b

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

Did the organization receive more than $25,000 in non-cash contributions? If "Yes," complete Schedule M..

Did the organization receive contributions of art, historical treasures, or other similar assets, or qualified conservation contributions? If "Yes," complete Schedule M .................

Did the organization liquidate, terminate, or dissolve and cease operations? If "Yes," complete Schedule N, Part I

Did the organization sell, exchange, dispose of, or transfer more than 25% of its net assets? If "Yes," complete Schedule N, Part II........................

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

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

Yes

35a

Did the organization have a controlled entity within the meaning of section 512(b)(13)?

35a

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

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

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 VI Click to see attachment

List of Attached Documents:

// Content

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. ............

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

Enter the number reported in box 3 of Form 1096. Enter -0- if not applicable ..

205

Enter the number of Forms W-2G included on line 1a. Enter -0- if not applicable .

Did the organization comply with backup withholding rules for reportable payments to vendors and reportable gaming (gambling) winnings to prize winners? ..................

Yes

Form 990 (2021)

Page 5

Part V

Statements Regarding Other IRS Filings and Tax Compliance (continued)

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 ..................

130

If at least one is reported on line 2a, did the organization file all required federal employment tax returns?
Note. If the sum of lines 1a and 2a is greater than 250, you may be required to e-file. See instructions.

Yes

Did the organization have unrelated business gross income of $1,000 or more during the year?...

Yes

If “Yes,” has it filed a Form 990-T for this year? If “No” to line 3b, provide an explanation in Schedule O...

Yes

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)? ..

If "Yes," enter the name of the foreign country: MediumBullet

See instructions for filing requirements for FinCEN Form 114, Report of Foreign Bank and Financial Accounts (FBAR).

Was the organization a party to a prohibited tax shelter transaction at any time during the tax year? ..

Did any taxable party notify the organization that it was or is a party to a prohibited tax shelter transaction?

If "Yes," to line 5a or 5b, did the organization file Form 8886-T? ............

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? ...

If "Yes," did the organization include with every solicitation an express statement that such contributions or gifts were not tax deductible? ......................

Organizations that may receive deductible contributions under section 170(c).

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? ....................

Yes

If "Yes," did the organization notify the donor of the value of the goods or services provided? .....

Yes

Did the organization sell, exchange, or otherwise dispose of tangible personal property for which it was required to file Form 8282? .........................

If "Yes," indicate the number of Forms 8282 filed during the year ....

Did the organization receive any funds, directly or indirectly, to pay premiums on a personal benefit contract?

Did the organization, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ..

If the organization received a contribution of qualified intellectual property, did the organization file Form 8899 as required? ......................

If the organization received a contribution of cars, boats, airplanes, or other vehicles, did the organization file a Form 1098-C? ..........................

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? ........

Sponsoring organizations maintaining donor advised funds.

Did the sponsoring organization make any taxable distributions under section 4966?........

Did the sponsoring organization make a distribution to a donor, donor advisor, or related person?...

Section 501(c)(7) organizations. Enter:

Initiation fees and capital contributions included on Part VIII, line 12 ...

10a

Gross receipts, included on Form 990, Part VIII, line 12, for public use of club facilities

10b

Section 501(c)(12) organizations. Enter:

Gross income from members or shareholders .........

11a

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

If "Yes," enter the amount of tax-exempt interest received or accrued during the year.

12b

Section 501(c)(29) qualified nonprofit health insurance issuers.

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

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

Enter the amount of reserves on hand ............

13c

14a

Did the organization receive any payments for indoor tanning services during the tax year?.....

14a

If "Yes," has it filed a Form 720 to report these payments? If "No," provide an explanation in Schedule O..

14b

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.

Is the organization an educational institution subject to the section 4968 excise tax on net investment income? ..
If "Yes," complete Form 4720, Schedule O.

Section 501(c)(21) organizations. Did the trust, any disqualified person, or mine operator 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.

Form 990 (2021)

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

Enter the number of voting members of the governing body at the end of the tax year

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.

Enter the number of voting members included in line 1a, above, who are independent

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? .................

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? .

Did the organization make any significant changes to its governing documents since the prior Form 990 was filed? .

Did the organization become aware during the year of a significant diversion of the organization’s assets? .

Did the organization have members or stockholders? ................

Yes

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? ....................

Yes

Are any governance decisions of the organization reserved to (or subject to approval by) members, stockholders, or persons other than the governing body? ...................

Did the organization contemporaneously document the meetings held or written actions undertaken during the year by the following:

The governing body? .......................

Yes

Each committee with authority to act on behalf of the governing body? ............

Yes

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.......

Section B. Policies (This Section B requests information about policies not required by the Internal Revenue Code.)

Yes

10a

Did the organization have local chapters, branches, or affiliates? ............

10a

Yes

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

Yes

11a

Has the organization provided a complete copy of this Form 990 to all members of its governing body before filing the form? ............................

11a

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

Were officers, directors, or trustees, and key employees required to disclose annually interests that could give rise to conflicts? ..........................

12b

Yes

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

Did the organization have a written whistleblower policy? ...............

Yes

Did the organization have a written document retention and destruction policy? .........

Yes

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?

The organization’s CEO, Executive Director, or top management official ...........

15a

Yes

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

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

List the states with which a copy of this Form 990 is required to be filed MediumBullet

AL , AK , AZ , AR , CA , CO , CT , DC , FL , GA , HI , IL , IA , KS , KY , LA , ME , MD , MA , MI , MN , MS , MO , MT , NV , NH , NJ , NM , NY , NC , ND , OH , OK , OR , PA , RI , SC , TN , TX , UT , VA , WA , WV , WI

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.

Own website Another's website Upon request Other (explain in Schedule O)

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.

State the name, address, and telephone number of the person who possesses the organization's books and records:
MediumBullet

PATRICIA HUIE25 BROADWAY 4TH FLOOR NEW YORK,NY10004 (212) 315-8600

Form 990 (2021)

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.

List all of the organization’s current key employees, if any. See the instructions for definition of "key employee."

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, Form 1099-MISC, and/or box 1 of Form 1099-NEC) of more than $100,000 from the
organization and any related organizations.

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.

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
(A) Name and title
(1) M PATRICIA RIVERA...................................................................... PRESIDENT-ELECT	7.00 .................	X	X	65,564	0	0
(2) GREGORY P DOWNEY...................................................................... PRESIDENT	7.00 .................	X	X	30,000	0	0
(3) MANOJ MAMMEN...................................................................... CHAIR, CCR	2.00 .................	X		25,000	0	0
(4) ANDREW J HALAYKO...................................................................... CO-CHAIR, IC COMMITTEE	2.00 .................	X		22,500	0	0
(5) TISHA S WANG...................................................................... CHAIR, EDUCATION COMMITTEE	2.00 .................	X		20,000	0	0
(6) SHARON DELL...................................................................... ASSEMBLY CHAIR	2.00 .................	X		12,500	0	0
(7) REENA MEHRA...................................................................... ASSEMBLY CHAIR	2.00 .................	X		9,214	0	0
(8) MICHELE MANION...................................................................... PUBLIC ADVISORY ROUNDTABLE	2.00 .................	X		8,000	0	0
(9) PATRICIA SIME...................................................................... UNTIL MAY - ASSEMBLY CHAIR	2.00 .................	X		6,143	0	0
(10) LYNN M SCHNAPP...................................................................... IMMEDIATE PAST PRESIDENT	7.00 .................	X	X	0	0	0
(11) IRINA PETRACHE...................................................................... VICE PRESIDENT	5.00 .................	X	X	0	0	0
(12) JESSE ROMAN...................................................................... TREASURER	5.00 .................	X	X	0	0	0
(13) JUAN C CELEDON...................................................................... UNTIL MAY - PAST PRESIDENT	7.00 .................	X	X	0	0	0
(14) RENDA SOYLEMEZ WIENER...................................................................... ASSEMBLY CHAIR FROM MAY	2.00 .................	X		0	0	0
(15) M BRADLEY DRUMMOND...................................................................... ASSEMBLY CHAIR FROM MAY	2.00 .................	X		0	0	0
(16) JILL GUTTORMSON...................................................................... ASSEMBLY CHAIR FROM MAY	2.00 .................	X		0	0	0
(17) TIM LAHM...................................................................... ASSEMBLY CHAIR	2.00 .................	X		0	0	0

Form 990 (2021)

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
(A) Name and title
(18) SALLY SINGH........................................................................ ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(19) JANET BURGESS........................................................................ ASSEMBLY CHAIR FROM MAY	2.00 .......................	X				0	0	0
(20) ANNE SPERLING........................................................................ ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(21) DAVID LEWINSOHN........................................................................ PRESIDENTIAL APPOINTEE	2.00 .......................	X				0	0	0
(22) ILONA JASPERS........................................................................ ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(23) YOLANDA N MAGETO........................................................................ PRESIDENTIAL APPOINTEE	2.00 .......................	X				0	0	0
(24) THEODORE F REISS........................................................................ ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(25) ENID NEPTUNE........................................................................ ASSEMBLY CHAIR FROM MAY	2.00 .......................	X				0	0	0
(26) MICHELLE GONG........................................................................ ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(27) PATRICK NANA-SINKAM........................................................................ ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(28) CHARLES S DELA CRUZ........................................................................ ASSEMBLY CHAIR FROM MAY	2.00 .......................	X				0	0	0
(29) SUSAN J BARTLETT........................................................................ UNTIL MAY - ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(30) SONYE K DANOFF........................................................................ UNTIL MAY - ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(31) WANDA M GIBSON-SCIPIO........................................................................ UNTIL MAY - ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(32) CONNIE C HSIA........................................................................ UNTIL MAY - ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(33) RACHEL THOMSON........................................................................ UNTIL MAY - ASSEMBLY CHAIR	2.00 .......................	X				0	0	0
(34) JENNIFER TREVOR........................................................................ UNTIL MAY - CCR CHAIR	2.00 .......................	X				0	0	0
(35) KAREN COLLISHAW........................................................................ CHIEF EXECUTIVE DIRECTOR	40.00 .......................		X			466,830	0	54,122
(36) PATRICIA HUIE........................................................................ CHIEF, FINANCIAL OFFICER	40.00 .......................		X			245,764	0	18,518
(37) STEPHEN ALTOBELLI........................................................................ CHIEF, OPERATIONS	40.00 .......................			X		205,259	0	47,674
(38) MICHELLE TURENNE........................................................................ CHIEF, STRATEGIC ALLIANCES	40.00 .......................			X		214,818	0	27,287
(39) KEVIN WILSON........................................................................ CHIEF, DOCUMENTS & PATIENT	40.00 .......................				X	278,834	0	63,297
(40) GARY EWART........................................................................ CHIEF, ADVOCACY & GOVERNMENT	40.00 .......................				X	195,613	0	61,614
(41) DIANE GERN........................................................................ CHIEF, JOURNALS	40.00 .......................				X	205,037	0	38,423
(42) DORON BEN AVRAHAM........................................................................ SENIOR DIRECTOR, INFO STRATEGY	40.00 .......................				X	194,625	0	28,983
(43) SHANE MCDERMOTT........................................................................ SENIOR DIRECTOR, ETHICS AND PROFESSIONALISM	40.00 .......................				X	179,276	0	34,270

1b	Sub-Total................
c	Total from continuation sheets to Part VII, Section A....
d	Total (add lines 1b and 1c)...........	2,384,977	0	374,188

Total number of individuals (including but not limited to those listed above) who received more than $100,000 of reportable compensation from the organization MediumBullet

Yes

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 ..............

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...........................

Yes

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 ........

Section B. Independent Contractors

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
PSAV 23918 NETWORK PLACE CHICAGO,IL60673	AV SERVICES	2,343,596
SMG FOOD AND BEVERAGE LLC 747 HOWARD STREET SAN FRANCISCO,CA94103	FOOD AND BEVERAGE SERVICES	1,134,676
FREEMAN DECORATING CO 5040 WEST ROOSEVELT ROAD CHICAGO,IL60644	CONFERENCE SERVICES	1,004,949
UPSTATEMENT LLC 245 8TH AVE 1030 NEW YORK,NY10011	TECHNOLOGY DESIGN	513,334
DARTMOUTH PRINTING COMPANY PO BOX 419817 BOSTON,MA022419817	JOURNAL SERVICE	475,606
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 27

Form 990 (2021)

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

(D)
Revenue
excluded from
tax under sections
512 - 514

1a	Federated campaigns..		1a
b	Membership dues..		1b
c	Fundraising events..		1c	210,045
d	Related organizations		1d
e	Government grants (contributions)		1e	4,755,345

f	All other contributions, gifts, grants, and similar amounts not included above		1f	3,488,134

g	Noncash contributions included in lines 1a - 1f:$		1g

h Total. Add lines 1a-1f.......		8,453,524

		Business Code
2a	INTERNATIONAL CONFERENCE	541700	16,324,259	16,324,259
b	SCIENTIFIC JOURNAL	513120	5,380,093	4,392,571	987,522
c	MEMBERSHIP DUES	541700	4,245,779	4,119,373	126,406
d	EDUCATIONAL PROGRAMS & WEBINARS	611710	344,412	344,412
e
f	All other program service revenue.
g	Total. Add lines 2a–2f .....		26,294,543

3 Investment income (including dividends, interest, and othersimilar amounts) ......			483,844			483,844
4 Income from investment of tax-exempt bond proceeds
5 Royalties...........			1,091,129			1,091,129
		(ii) Personal	(i) Real
6a	Gross rents			6a
b	Less: rental expenses			6b
c	Rental income or (loss)			6c
d	Net rental income or (loss).......
		(ii) Other	(i) Securities
7a	Gross amount from sales of assets other than inventory		1,397,270	7a
b	Less: cost or other basis and sales expenses		1,444,034	7b
c	Gain or (loss)		-46,764	7c
d	Net gain or (loss).........			-46,764			-46,764
8a	Gross income from fundraising events (not including $ 210,045of contributions reported on line 1c). See Part IV, line 18 ....
			8a	79,050
b	Less: direct expenses ...		8b	81,537
c	Net income or (loss) from fundraising events..			-2,487			-2,487
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..
Business Code			Miscellaneous Revenue
11a	INSURANCE PROCEEDS		541700	7,196,207	7,196,207
b	OTHER INCOME		900099	25,950	25,950
c
d	All other revenue ....
e	Total. Add lines 11a–11d ......			7,222,157
12	Total revenue. See instructions.....			43,495,946	32,402,772	1,113,928	1,525,722

Form 990 (2021)

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 ....
2	Grants and other assistance to domestic individuals. See Part IV, line 22 ...........	1,511,443	1,511,443
3	Grants and other assistance to foreign organizations, foreign governments, and foreign individuals. See Part IV, lines 15 and 16. .............	144,975	144,975
4	Benefits paid to or for members .......
5	Compensation of current officers, directors, trustees, and key employees ...........	1,479,191	701,536	599,637	178,018
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........	9,339,524	6,831,294	2,212,739	295,491
8	Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) ....	327,631	109,586	208,709	9,336
9	Other employee benefits .......	1,617,317	573,054	974,558	69,705
10	Payroll taxes ...........	767,393	278,907	452,037	36,449
11	Fees for services (non-employees):
a	Management ......
b	Legal .........	129,695		121,695	8,000
c	Accounting ...........	118,962		118,962
d	Lobbying ...........
e	Professional fundraising services. See Part IV, line 17
f	Investment management fees ......	223,344		223,344
g	Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O)	9,336,765	7,941,029	1,130,524	265,212
12	Advertising and promotion ....	35,625	21,278	12,989	1,358
13	Office expenses .......	674,997	510,856	151,603	12,538
14	Information technology ......	951,888	430,512	479,514	41,862
15	Royalties ..
16	Occupancy ...........	1,817,022	660,389	1,070,330	86,303
17	Travel ............	729,864	580,063	126,153	23,648
18	Payments of travel or entertainment expenses for any federal, state, or local public officials .
19	Conferences, conventions, and meetings ....	2,678,017	2,600,973	71,165	5,879
20	Interest ...........
21	Payments to affiliates .......
22	Depreciation, depletion, and amortization ..	354,334	193,379	148,945	12,010
23	Insurance ...	235,935	140,916	87,929	7,090
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	UNRELATED BUSINESS INCO	218,919		218,919
b	PUBLICATION EXPENSES	939,245	939,245
c	BAD DEBT EXPENSE	225,000		225,000
d	NON-CAPITALIZED EQUIPME	142,208	51,702	83,752	6,754
e	All other expenses	357,076	229,371	109,408	18,297
25	Total functional expenses. Add lines 1 through 24e	34,356,370	24,450,508	8,827,912	1,077,950
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 (2021)

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

1	Cash–non-interest-bearing ........			9,210,417	1	15,170,366
2	Savings and temporary cash investments .........			7,510,206	2	1,420,860
3	Pledges and grants receivable, net ......			501,044	3	686,402
4	Accounts receivable, net .............			1,091,311	4	922,089
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 ......			547,165	9	623,487
10a	Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D	10a	1,780,685
b	Less: accumulated depreciation	10b	574,811	1,383,540	10c	1,205,874
11	Investments—publicly traded securities .			26,044,362	11	27,222,657
12	Investments—other securities. See Part IV, line 11 .....				12
13	Investments—program-related. See Part IV, line 11 ..				13
14	Intangible assets ...............			3,131,404	14	2,957,437
15	Other assets. See Part IV, line 11 ...........			0	15	18,034,598
16	Total assets. Add lines 1 through 15 (must equal line 33)...			49,419,449	16	68,243,770

17	Accounts payable and accrued expenses .....	2,663,564	17	2,255,858
18	Grants payable ...	785,000	18	980,033
19	Deferred revenue .........	8,255,763	19	8,803,892
20	Tax-exempt bond liabilities .........		20
21	Escrow or custodial account liability. Complete Part IV of Schedule D	95,435	21	227,618
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 ..	4,319,008	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	1,838,709	25	20,099,757
26	Total liabilities. Add lines 17 through 25..	17,957,479	26	32,367,158

	Organizations that follow FASB ASC 958, check here and complete lines 27, 28, 32, and 33.
27	Net assets without donor restrictions ..........	23,258,806	27	28,895,470
28	Net assets with donor restrictions ...........	8,203,164	28	6,981,142
	Organizations that do not follow FASB ASC 958, check here 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 ...........	31,461,970	32	35,876,612
33	Total liabilities and net assets/fund balances ........	49,419,449	33	68,243,770

Form 990 (2021)

Page 12

Part XI

Reconcilliation of Net Assets

Check if Schedule O contains a response or note to any line in this Part XI..............

Total revenue (must equal Part VIII, column (A), line 12) ............

43,495,946

Total expenses (must equal Part IX, column (A), line 25) ............

34,356,370

Revenue less expenses. Subtract line 2 from line 1 ..............

9,139,576

Net assets or fund balances at beginning of year (must equal Part X, line 32, column (A)) ..

31,461,970

Net unrealized gains (losses) on investments ...............

-5,100,334

Donated services and use of facilities .................

Investment expenses .....................

Prior period adjustments .....................

375,400

Other changes in net assets or fund balances (explain in Schedule O) ........

Net assets or fund balances at end of year. Combine lines 3 through 9 (must equal Part X, line 32, column (B))

35,876,612

Part XII

Financial Statements and Reporting

Check if Schedule O contains a response or note to any line in this Part XII.............

Yes

Accounting method used to prepare the Form 990: Cash Accrual Other
If the organization changed its method of accounting from a prior year or checked "Other," explain on
Schedule O.

Were the organization’s financial statements compiled or reviewed by an independent accountant?

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:

Separate basis Consolidated basis Both consolidated and separate basis

Were the organization’s financial statements audited by an independent accountant?

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:

Separate basis Consolidated basis Both consolidated and separate basis

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?

Yes

If the organization changed either its oversight process or selection process during the tax year, explain in Schedule O.

As a result of a federal award, was the organization required to undergo an audit or audits as set forth in the Single Audit Act and OMB Circular A-133?

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.

Form 990 (2021)

Additional Data

Software ID:
Software Version:

Form 990, Special Condition Description:

Special Condition Description

- TIN:

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

2022

Open to Public
Inspection

Name of the organization

AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

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.)

A church, convention of churches, or association of churches described in section 170(b)(1)(A)(i).

A school described in section 170(b)(1)(A)(ii). (Attach Schedule E (Form 990).)

A hospital or a cooperative hospital service organization described in section 170(b)(1)(A)(iii).

A medical research organization operated in conjunction with a hospital described in section 170(b)(1)(A)(iii). Enter the hospital's name, city, and state:

An organization operated for the benefit of a college or university owned or operated by a governmental unit described in section 170(b)(1)(A)(iv). (Complete Part II.)

A federal, state, or local government or governmental unit described in section 170(b)(1)(A)(v).

An organization that normally receives a substantial part of its support from a governmental unit or from the general public described in section 170(b)(1)(A)(vi). (Complete Part II.)

A community trust described in section 170(b)(1)(A)(vi). (Complete Part II.)

An agricultural research organization described in 170(b)(1)(A)(ix) operated in conjunction with a land-grant college or university or a non-land grant college of agriculture. See instructions. Enter the name, city, and state of the college or university:

An organization that normally receives: (1) more than 33 1/3% of its support from contributions, membership fees, and gross receipts from activities related to its exempt functions—subject to certain exceptions, and (2) no more than 33 1/3% of its support from gross investment income and unrelated business taxable income (less section 511 tax) from businesses acquired by the organization after June 30, 1975. See section 509(a)(2). (Complete Part III.)

An organization organized and operated exclusively to test for public safety. See section 509(a)(4).

An organization organized and operated exclusively for the benefit of, to perform the functions of, or to carry out the purposes of one or more publicly supported organizations described in section 509(a)(1) or section 509(a)(2). See section 509(a)(3). Check the box on lines 12a through 12d that describes the type of supporting organization and complete lines 12e, 12f, and 12g.

Type I. A supporting organization operated, supervised, or controlled by its supported organization(s), typically by giving the supported organization(s) the power to regularly appoint or elect a majority of the directors or trustees of the supporting organization. You must complete Part IV, Sections A and B.

Type II. A supporting organization supervised or controlled in connection with its supported organization(s), by having control or management of the supporting organization vested in the same persons that control or manage the supported organization(s). You must complete Part IV, Sections A and C.

Type III functionally integrated. A supporting organization operated in connection with, and functionally integrated with, its supported organization(s) (see instructions). You must complete Part IV, Sections A, D, and E.

Type III non-functionally integrated. A supporting organization operated in connection with its supported organization(s) that is not functionally integrated. The organization generally must satisfy a distribution requirement and an attentiveness requirement (see instructions). You must complete Part IV, Sections A and D, and Part V.

Check this box if the organization received a written determination from the IRS that it is a Type I, Type II, Type III functionally integrated, or Type III non-functionally integrated supporting organization.

Enter the number of supported organizations ...............................

Provide the following information about the supported organization(s).

(i) Name of supported organization	(ii) EIN	(iv) Is the organization listed in your governing document?		(v) Amount of monetary support (see instructions)	(vi) Amount of other support (see instructions)
(i) Name of supported organization	(ii) EIN	Yes	No	(v) Amount of monetary support (see instructions)	(vi) Amount of other support (see instructions)


Total

For Paperwork Reduction Act Notice, see the Instructions for
Form 990 or 990-EZ.

Cat. No. 11285F

Schedule A (Form 990) 2022

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)		(a) 2018	(b) 2019	(c) 2020	(d) 2021	(e) 2022	(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)		(a) 2018	(b) 2019	(c) 2020	(d) 2021	(e) 2022	(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

Gross receipts from related activities, etc. (see instructions) ..................

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

Public support percentage for 2022 (line 6, column (f) divided by line 11, column (f)) .........

Public support percentage for 2020 Schedule A, Part II, line 14 ...............

16a

33 1/3% support test—2022. 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

33 1/3% support test—2021. 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—2022. 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

10%-facts-and-circumstances test—2021. 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

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) 2022

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)		(a) 2018	(b) 2019	(c) 2020	(d) 2021	(e) 2022	(f) Total
1	Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grants.") .	4,252,346	1,737,865	4,438,894	2,324,764	8,453,524	21,207,393
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	26,528,728	26,592,950	13,746,064	16,034,777	32,402,772	115,305,291
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	30,781,074	28,330,815	18,184,958	18,359,541	40,856,296	136,512,684
7a	Amounts included on lines 1, 2, and 3 received from disqualified persons	1,745,010	1,239,365	2,741,018	1,190,328	1,909,994	8,825,715
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..	1,745,010	1,239,365	2,741,018	1,190,328	1,909,994	8,825,715
8	Public support. (Subtract line 7c from line 6.)						127,686,969

Section B. Total Support

Calendar year (or fiscal year beginning in)		(a) 2018	(b) 2019	(c) 2020	(d) 2021	(e) 2022	(f) Total
9	Amounts from line 6...	30,781,074	28,330,815	18,184,958	18,359,541	40,856,296	136,512,684
10a	Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources..	964,203	1,279,631	1,315,915	1,475,168	1,574,973	6,609,890
b	Unrelated business taxable income (less section 511 taxes) from businesses acquired after June 30, 1975.
c	Add lines 10a and 10b.	964,203	1,279,631	1,315,915	1,475,168	1,574,973	6,609,890
11	Net income from unrelated business activities not included on line 10b, whether or not the business is regularly carried on.	908,188	380,818	1,449,058	907,723	582,845	4,228,632
12	Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.) ..	20,084	22,899	7,768,447			7,811,430
13	Total support. (Add lines 9, 10c, 11, and 12.)..	32,673,549	30,014,163	28,718,378	20,742,432	43,014,114	155,162,636

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

Public support percentage for 2022 (line 8, column (f) divided by line 13, column (f)) .........

82.290 %

Public support percentage from 2021 Schedule A, Part III, line 15 ...............

82.540 %

Section D. Computation of Investment Income Percentage

Investment income percentage for 2022 (line 10c, column (f) divided by line 13, column (f)) ......

4.260 %

Investment income percentage from 2021 Schedule A, Part III, line 17 .............

4.250 %

19a

33 1/3% support tests-2022. 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

33 1/3% support tests—2021. 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

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) 2022

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

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.

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).

Did the organization have a supported organization described in section 501(c)(4), (5), or (6)? If "Yes," answer lines 3b and 3c below.

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.

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.

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.

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.

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.

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).

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?

Substitutions only. Was the substitution the result of an event beyond the organization's control?

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.

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) .

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).

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.

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.

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.

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

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) 2022

Page 5

Part IV

Supporting Organizations (continued)

Yes

Has the organization accepted a gift or contribution from any of the following persons?

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

A family member of a person described on 11a above?

11b

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

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.

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.

Section C. Type II Supporting Organizations

Yes

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).

Section D. All Type III Supporting Organizations

Yes

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?

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).

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.

Section E. Type III Functionally-Integrated Supporting Organizations

Check the box next to the method that the organization used to satisfy the Integral Part Test during the year (see instructions):

The organization satisfied the Activities Test. Complete line 2 below.

The organization is the parent of each of its supported organizations. Complete line 3 below.

The organization supported a governmental entity. Describe in Part VI how you supported a government entity (see instructions)

Activities Test. Answer lines 2a and 2b below.

Yes

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.

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.

Parent of Supported Organizations. Answer lines 3a and 3b below.

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.

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.

Schedule A (Form 990) 2022

Page 6

Part V

Type III Non-Functionally Integrated 509(a)(3) Supporting Organizations

Check here if the organization satisfied the Integral Part Test as a qualifying trust on Nov. 20, 1970 (explain in Part VI). See instructions. All other Type III non-functionally integrated supporting organizations must complete Sections A through E.

	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

Check here if the current year is the organization's first as a non-functionally-integrated Type III supporting organization (see instructions)

Schedule A (Form 990) 2022

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 2022 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-2022	(iii) Distributable Amount for 2022
1 Distributable amount for 2022 from Section C, line 6
2 Underdistributions, if any, for years prior to 2022 (reasonable cause required-- explain in Part VI). See instructions.
3 Excess distributions carryover, if any, to 2022:
a From 2017.......
b From 2018.......
c From 2019.......
d From 2020.......
e From 2021.......
fTotal of lines 3a through e
g Applied to underdistributions of prior years
h Applied to 2022 distributable amount
i Carryover from 2017 not applied (see instructions)
j Remainder. Subtract lines 3g, 3h, and 3i from line 3f.
4Distributions for 2022 from Section D, line 7:
$
a Applied to underdistributions of prior years
b Applied to 2022 distributable amount
c Remainder. Subtract lines 4a and 4b from line 4.
5 Remaining underdistributions for years prior to 2022, 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 2022. 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 2023. Add lines 3j and 4c.
8 Breakdown of line 7:
a Excess from 2018.....
b Excess from 2019.....
c Excess from 2020.....
d Excess from 2021.....
e Excess from 2022.....

Schedule A (Form 990) (2022)

Schedule A (Form 990) 2022

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, PART III, LINE 12, EXPLANATION OF OTHER INCOME:	MEMBER LIST RENTAL - 2018 AMOUNT: $ 20,084. 2019 AMOUNT: $ 22,899. ACQUISTION OF ATS FOUNDATION - 2020 AMOUNT: $ 7,768,447.

Schedule A (Form 990) 2022

Additional Data

Software ID:
Software Version:

- TIN:

Schedule B
(Form 990)

Department of the Treasury
Internal Revenue Service

Schedule of Contributors

Attach to Form 990, 990-EZ, or 990-PF.

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2022

Name of the organization

AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

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 ......... Arrow Bullet

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) (2022)

Schedule B (Form 990) (2022) Page 2

Name of organization AMERICAN THORACIC SOCIETY INC

Part I Contributors	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	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
Schedule B (Form 990) (2022)

Schedule B (Form 990) (2022)

Page 3

Name of organization AMERICAN THORACIC SOCIETY INC		Employer identification number 06-1548706

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) (2022)

Schedule B (Form 990) (2022)

Page 4


Name of organization AMERICAN THORACIC SOCIETY INC			Employer identification number 06-1548706
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

(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

(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

(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

(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) (2022)

Additional Data

Software ID:
Software Version:

- TIN:

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

SchCMd Bullet

Complete if the organization is described below. SchCMd Bullet

Attach to Form 990 or Form 990-EZ.
SchCMd Bullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2021

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

AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

Part I-A

Complete if the organization is exempt under section 501(c) or is a section 527 organization.

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

Political campaign activity expenditures. See instructions .................................................................... SchCMd Bullet

Volunteer hours for political campaign activities. See instructions ..................................................................

Part I-B

Complete if the organization is exempt under section 501(c)(3).

Enter the amount of any excise tax incurred by the organization under section 4955 ................................ SchCMd Bullet

Enter the amount of any excise tax incurred by organization managers under section 4955 ....................... SchCMd Bullet

If the organization incurred a section 4955 tax, did it file Form 4720 for this year? .........................................

Yes No

Was a correction made? ......................................................................................................................

Yes No

If "Yes," describe in Part IV.

Part I-C

Complete if the organization is exempt under section 501(c), except section 501(c)(3).

Enter the amount directly expended by the filing organization for section 527 exempt function activities ..... SchCMd Bullet

Enter the amount of the filing organization's funds contributed to other organizations for section 527 exempt function activities ............................................................................................................................ SchCMd Bullet

Total exempt function expenditures. Add lines 1 and 2. Enter here and on Form 1120-POL, line 17b........... SchCMd Bullet

Did the filing organization file Form 1120-POL for this year? ...................................................................

Yes No

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) 2021

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 SchCMd Bullet

if the filing organization belongs to an affiliated group (and list in Part IV each affiliated group member's name, address, EIN, expenses, and share of excess lobbying expenditures).
B Check SchCMd Bullet

if the filing organization checked box A and "limited control" provisions apply.

Limits on Lobbying Expenditures (The term "expenditures" means amounts paid or incurred.)		(b) Affiliated group totals
1a	Total lobbying expenditures to influence public opinion (grass roots lobbying) ......................
b	Total lobbying expenditures to influence a legislative body (direct lobbying) ........................
c	Total lobbying expenditures (add lines 1a and 1b) ............................................................
d	Other exempt purpose expenditures ...............................................................................
e	Total exempt purpose expenditures (add lines 1c and 1d) ..................................................
f	Lobbying nontaxable amount. Enter the amount from the following table in both columns.
	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) .................................................
h	Subtract line 1g from line 1a. If zero or less, enter -0-. ................................................
i	Subtract line 1f from line 1c. If zero or less, enter -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? ...................................................................................................................	Yes No

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) 2018	(b) 2019	(c) 2020	(d) 2021	(e) Total

2a	Lobbying nontaxable amount

b	Lobbying ceiling amount (150% of line 2a, column(e))

c	Total lobbying expenditures

d	Grassroots nontaxable amount

e	Grassroots ceiling amount (150% of line 2d, column (e))

f	Grassroots lobbying expenditures

Schedule C (Form 990) 2021

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

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:

Volunteers? ...........................................................................................................

Yes

Paid staff or management (include compensation in expenses reported on lines 1c through 1i)? ........

Yes

Media advertisements? ...................................................................................................

Mailings to members, legislators, or the public? .............................................................................

Yes

16,291

Publications, or published or broadcast statements? ...........................................................

Grants to other organizations for lobbying purposes? ..........................................................

Direct contact with legislators, their staffs, government officials, or a legislative body? .......................

Yes

154,522

Rallies, demonstrations, seminars, conventions, speeches, lectures, or any similar means? ..................

Other activities? ...................................................................................................................

Total. Add lines 1c through 1i ....................................................................................................

170,813

Did the activities in line 1 cause the organization to be not described in section 501(c)(3)? .....

If "Yes," enter the amount of any tax incurred under section 4912 ...........................................

If "Yes," enter the amount of any tax incurred by organization managers under section 4912 ...................

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

Were substantially all (90% or more) dues received nondeductible by members? ...............................................

Did the organization make only in-house lobbying expenditures of $2,000 or less? ............................................

Did the organization agree to carry over lobbying and political expenditures from the prior year? .................................

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."

Dues, assessments and similar amounts from members ......................................................................

Section 162(e) nondeductible lobbying and political expenditures (do not include amounts of political expenses for which the section 527(f) tax was paid).

Current year .............................................................................................................................

Carryover from last year ............................................................................................................

Total ...........................................................................................................................................

Aggregate amount reported in section 6033(e)(1)(A) notices of nondeductible section 162(e) dues .

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? ......................................................................................................................

Taxable amount of lobbying and political expenditures. See Instructions .........................................

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
PART II-B, LINE 1:	VOLUNTEERS - ATS COORDINATES AND SUPPORTS ATS MEMBERS CONTACTING MEMBERS OF CONGRESS AND EXECUTIVE AGENCIES TO SPEAK ON ISSUES THAT IMPACT PULMONARY, CRITICAL CARE, AND SLEEP MEDICINE. VOLUNTEER ACTIVITIES INCLUDE CONGRESSIONAL TESTIMONY, VISITING MEMBERS OF CONGRESS AND THEIR STAFF, MEETING WITH ADMINISTRATION OFFICIALS, AGENCY FIELD HEARINGS, AND COORDINATION WITH SISTER SOCIETIES. PAID STAFF - STAFF ENGAGE IN ADVOCACY ACTIVITIES INCLUDING CONGRESSIONAL TESTIMONY, VISITING MEMBERS OF CONGRESS AND THEIR STAFF, MEETING WITH ADMINISTRATION OFFICIALS, AGENCY FIELD HEARINGS, AND COORDINATION WITH SISTER SOCIETIES. MAILINGS - ATS SUBMITS MASS MAILINGS, MASS EMAILS, AND BLAST FAX TO CONGRESS TO ENSURE THEY ARE AWARE OF ATS' POSITIONS ON KEY LEGISLATIVE PRIORITIES. DIRECT CONTACT WITH LEGISLATORS, THEIR STAFF, GOVERNMENT OFFICIALS OR A LEGISLATIVE BODY - ATS MEMBERS AND STAFF MEET WITH OFFICIALS TO ADVOCATE FOR PULMONARY, CRITICAL CARE, AND SLEEP HEALTH.

Return Reference

Explanation

PART II-B, LINE 1:

VOLUNTEERS - ATS COORDINATES AND SUPPORTS ATS MEMBERS CONTACTING MEMBERS OF CONGRESS AND EXECUTIVE AGENCIES TO SPEAK ON ISSUES THAT IMPACT PULMONARY, CRITICAL CARE, AND SLEEP MEDICINE. VOLUNTEER ACTIVITIES INCLUDE CONGRESSIONAL TESTIMONY, VISITING MEMBERS OF CONGRESS AND THEIR STAFF, MEETING WITH ADMINISTRATION OFFICIALS, AGENCY FIELD HEARINGS, AND COORDINATION WITH SISTER SOCIETIES. PAID STAFF - STAFF ENGAGE IN ADVOCACY ACTIVITIES INCLUDING CONGRESSIONAL TESTIMONY, VISITING MEMBERS OF CONGRESS AND THEIR STAFF, MEETING WITH ADMINISTRATION OFFICIALS, AGENCY FIELD HEARINGS, AND COORDINATION WITH SISTER SOCIETIES. MAILINGS - ATS SUBMITS MASS MAILINGS, MASS EMAILS, AND BLAST FAX TO CONGRESS TO ENSURE THEY ARE AWARE OF ATS' POSITIONS ON KEY LEGISLATIVE PRIORITIES. DIRECT CONTACT WITH LEGISLATORS, THEIR STAFF, GOVERNMENT OFFICIALS OR A LEGISLATIVE BODY - ATS MEMBERS AND STAFF MEET WITH OFFICIALS TO ADVOCATE FOR PULMONARY, CRITICAL CARE, AND SLEEP HEALTH.

Schedule C (Form 990) 2021

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE D
(Form 990)

Department of the Treasury
Internal Revenue Service

Supplemental Financial Statements

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.
SchDMd Bullet

Attach to Form 990.
SchDMd Bullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2021

Open to Public Inspection

Name of the organization

AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

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 ........

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? ............

Yes No

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? ...................................

Yes No

Part II

Conservation Easements.
Complete if the organization answered "Yes" on Form 990, Part IV, line 7.

Purpose(s) of conservation easements held by the organization (check all that apply).

Preservation of land for public use (e.g., recreation or education) Preservation of an historically important land area

Protection of natural habitat Preservation of a certified historic structure

Preservation of open space

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.


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 7/25/06, and not on a historic structure listed in the National Register ...	2d

Number of conservation easements modified, transferred, released, extinguished, or terminated by the organization during the
tax year SchDMd Bullet

Number of states where property subject to conservation easement is located SchDMd Bullet

Does the organization have a written policy regarding the periodic monitoring, inspection, handling of violations, and enforcement of the conservation easements it holds? ............

Yes No

Staff and volunteer hours devoted to monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
SchDMd Bullet

Amount of expenses incurred in monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
SchDMd Bullet

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)? .............................

Yes No

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.

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.

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 ......................... SchDMd Bullet

(ii)

Assets included in Form 990, Part X ............................... SchDMd Bullet

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:

Revenue included on Form 990, Part VIII, line 1 .......................... SchDMd Bullet

Assets included in Form 990, Part X ............................... SchDMd Bullet

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 52283D

Schedule D (Form 990) 2021

Page 2

Part III

Organizations Maintaining Collections of Art, Historical Treasures, or Other Similar Assets (continued)

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):

Public exhibition

Loan or exchange programs

Scholarly research

Other

Preservation for future generations

Provide a description of the organization’s collections and explain how they further the organization’s exempt purpose in
Part XIII.

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?...

Yes No

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.

Is the organization an agent, trustee, custodian or other intermediary for contributions or other assets not
included on Form 990, Part X? ....................................

Yes No


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

Did the organization include an amount on Form 990, Part X, line 21, for escrow or custodial account liability? ...

Yes No

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 ....	297,077	263,693	139,760	120,275	120,275
b	Contributions ...			100,000
c	Net investment earnings, gains, and losses	-54,506	33,884	23,933	19,985	2,546
d	Grants or scholarships ...
e	Other expenditures for facilities and programs ...
f	Administrative expenses ....		500		500	2,546
g	End of year balance ......	242,571	297,077	263,693	139,760	120,275

Provide the estimated percentage of the current year end balance (line 1g, column (a)) held as:

Board designated or quasi-endowment SchDMd Bullet

Permanent endowment SchDMd Bullet

90.810 %

Term endowment SchDMd Bullet

9.190 %

The percentages on lines 2a, 2b, and 2c should equal 100%.

Are there endowment funds not in the possession of the organization that are held and administered for the
organization by:

Yes

(i) Unrelated organizations .................

3a(i)

(ii) Related organizations .................

3a(ii)

If "Yes" on 3a(ii), are the related organizations listed as required on Schedule R? .........

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 ....
c	Leasehold improvements	1,298,159	266,829	1,031,330
d	Equipment ....	482,526	307,982	174,544
e	Other .....
Total. Add lines 1a through 1e. (Column (d) must equal Form 990, Part X, column (B), line 10(c).)..				1,205,874

Schedule D (Form 990) 2021

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.)

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.)

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)OPERATING LEASE RIGHT OF USE ASSETS				18,034,598
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 15.)...........				18,034,598

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
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 25.)	20,099,757
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) 2021

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	38,253,805
2	Amounts included on line 1 but not on Form 990, Part VIII, line 12:
a	Net unrealized gains (losses) on investments ....	2a	-5,100,334
b	Donated services and use of facilities .........	2b
c	Recoveries of prior year grants ...........	2c
d	Other (Describe in Part XIII.) ............	2d
e	Add lines 2a through 2d .....................			2e	-5,100,334
3	Subtract line 2e from line 1..................			3	43,354,139
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	223,344
b	Other (Describe in Part XIII.) ...........	4b	-81,537
c	Add lines 4a and 4b....................			4c	141,807
5	Total revenue. Add lines 3 and 4c. (This must equal Form 990, Part I, line 12.) ......			5	43,495,946

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	34,214,563
2	Amounts included on line 1 but not on Form 990, Part IX, line 25:
a	Donated services and use of facilities .........	2a
b	Prior year adjustments ............	2b
c	Other losses ................	2c
d	Other (Describe in Part XIII.) ............	2d	81,537
e	Add lines 2a through 2d....................			2e	81,537
3	Subtract line 2e from line 1...................			3	34,133,026
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	223,344
b	Other (Describe in Part XIII.) ............	4b
c	Add lines 4a and 4b.....................			4c	223,344
5	Total expenses. Add lines 3 and 4c. (This must equal Form 990, Part I, line 18.) ......			5	34,356,370

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 IV, LINE 2B:	ATS COLLECTS DONATIONS AND MAKES DISBURSEMENTS FOR COSTS RELATED TO ITS AFFILIATED CHAPTERS
PART V, LINE 4:	THE INTENDED USE OF THE SOCIETY'S ENDOWMENT FUNDS ARE TO SUPPORT GRANTS AND TRAINING ASSOCIATED WITH THE SOCIETY'S VARIOUS PROGRAMS.
PART X, LINE 2:	ATS COMPLIES WITH THE PROVISIONS OF FASB ASC TOPIC 740, ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES, WHICH ADDRESSES THE DETERMINATION OF WHETHER TAX BENEFITS CLAIMED OR EXPECTED TO BE CLAIMED ON A TAX RETURN SHOULD BE RECORDED IN THE FINANCIAL STATEMENTS. MANAGEMENT EVALUATED ATS'S TAX POSITIONS AND CONCLUDED THAT ATS HAD TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE ADJUSTMENT TO THE FINANCIAL STATEMENTS TO COMPLY WITH THE PROVISIONS OF THIS GUIDANCE. FOR THE YEAR ENDED DECEMBER 31, 2022, NO UNRECOGNIZED TAX PROVISION OR BENEFIT EXISTS IN THE ACCOMPANYING FINANCIAL STATEMENTS.
PART XI, LINE 4B - OTHER ADJUSTMENTS:	DIRECT EXPENSES FOR FUNDRAISING EVENT -81,537.
PART XII, LINE 2D - OTHER ADJUSTMENTS:	DIRECT EXPENSES FOR FUNDRAISING EVENT 81,537.

Schedule D (Form 990) 2021

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE F(Form 990)

Department of the Treasury
Internal Revenue Service

Statement of Activities Outside the United States

Complete if the organization answered "Yes" to Form 990, Part IV, line 14b, 15, or 16. Right pointing arrow large image

Attach to Form 990. Right pointing arrow large image

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2022

Open to Public Inspection

Name of the organization
AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

Part I

General Information on Activities Outside the United States. Complete if the organization answered "Yes" on Form 990, Part IV, line 14b.

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? . . . . . . . . . . . . . . . . . . . . . . . . .

Yes

For grantmakers. Describe in Part V the organization’s procedures for monitoring the use of its grants and other assistance outside the United States.

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
	CENTRAL AMERICA AND THE CARIBBEAN - ANTIGUA & BARBUDA, ARUBA, BAHAMAS,	0	0	GRANTS AND AWARDS		860
	EAST ASIA AND THE PACIFIC - AUSTRALIA, BRUNEI, BURMA, CAMBODIA,	0	0	GRANTS AND AWARDS		16,900
	EAST ASIA AND THE PACIFIC - AUSTRALIA, BRUNEI, BURMA, CAMBODIA,	0	0	PROGRAM SERVICES	VIDEO PRODUCTION	10,930
	EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM	0	0	GRANTS AND AWARDS		62,400
	EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM	0	0	PROGRAM SERVICES	EDITORS	113,576
	EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM	0	0	PROGRAM SERVICES	MEMBERSHIP	25,000
	EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM	0	0	PROGRAM SERVICES	LICENSE FEE, SUBSCRIPTION, AND OTHER	7,388
	EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM	0	0	PROGRAM SERVICES	CONFERENCE ACCOMMODATIONS	6,003
	MIDDLE EAST AND NORTH AFRICA - ALGERIA, BAHRAIN, DJIBOUTI, EGYPT,	0	0	GRANTS AND AWARDS		3,065
	NORTH AMERICA - CANADA AND MEXICO, BUT NOT THE UNITED STATES	0	0	GRANTS AND AWARDS		5,500
	NORTH AMERICA - CANADA AND MEXICO, BUT NOT THE UNITED STATES	0	0	PROGRAM SERVICES	EDITORS	38,015
	NORTH AMERICA - CANADA AND MEXICO, BUT NOT THE UNITED STATES	0	0	PROGRAM SERVICES	PROFESSIONAL FEES AND STIPENDS	133,107
	SOUTH AMERICA - ARGENTINA, BOLIVIA, BRAZIL, CHILE, COLUMBIA, ECUADOR,	0	0	GRANTS AND AWARDS		8,750
	SOUTH AMERICA - ARGENTINA, BOLIVIA, BRAZIL, CHILE, COLUMBIA, ECUADOR,	0	0	PROGRAM SERVICES	CONFERENCE ACCOMMODATIONS	37,936
	SUB-SAHARAN AFRICA - ANGOLA, BENIN, BOTSWANA, BURKINA FASO,	0	0	GRANTS AND AWARDS		47,500
	EUROPE (INCLUDING ICELAND & GREENLAND)	0	0	FUNDRAISING

3a	Sub-total ....	0	0			243,057
b	Total from continuation sheets to Part I ...	0	0			273,873
c	Totals (add lines 3a and 3b)	0	0			516,930

For Paperwork Reduction Act Notice, see the Instructions for Form 990.Cat. No. 50082W Schedule F (Form 990) 2022

Schedule F (Form 990) 2022

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 .......
3	Enter total number of other organizations or entities .......................

Schedule F (Form 990) 2022

Schedule F (Form 990) 2022Page 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.

	(b) Region	(c) Number of recipients	(d) Amount of cash grant	(e) Manner of cash disbursement
TECHNICAL ASSISTANCE AND RESEARCH GRANT	EAST ASIA AND THE PACIFIC - AUSTRALIA, BRUNEI, BURMA, CAMBODIA,	6	16,900	CASH PAYMENT
TECHNICAL ASSISTANCE AND RESEARCH GRANT	EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIU	37	62,400	CASH PAYMENT
TECHNICAL ASSISTANCE GRANT	MIDDLE EAST AND NORTH AFRICA - ALGERIA, BAHRAIN, DJIBOUTI, EGYPT,	3	3,065	CASH PAYMENT
TECHNICAL ASSISTANCE GRANT	NORTH AMERICA - CANADA AND MEXICO, BUT NOT THE UNITED STATES	2	5,500	CASH PAYMENT
TECHNICAL ASSISTANCE GRANT	SOUTH AMERICA - ARGENTINA, BOLIVIA, BRAZIL, CHILE, COLUMBIA, ECUADOR,	5	8,750	CASH PAYMENT
TECHNICAL ASSISTANCE AND RESEARCH GRANT	SUB-SAHARAN AFRICA - ANGOLA, BENIN, BOTSWANA, BURKINA FASO,	6	47,500	CASH PAYMENT
TECHNICAL ASSISTANCE GRANT	CENTRAL AMERICA AND THE CARIBBEAN	1	860	CASH PAYMENT

Schedule F (Form 990) 2022

Page 4

Part IV

Foreign Forms

Schedule F (Form 990) 2022

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:	THE ORGANIZATION REQUIRES A WRITTEN MID-POINT PROGRESS REPORT TO BE SUBMITTED BY THE RECIPIENT, BRIEFLY DESCRIBING THE RESEARCH CONDUCTED TO DATE, INDICATING THE CURRENT STAGE OF COMPLETENESS ACCORDING TO THE TIMELINE ORIGINALLY SUBMITTED WITH THE PROPOSAL, PROBLEMS ENCOUNTERED WITH THE PROGRESS OF THE STUDY IF ANY, AND EFFORTS MADE TO OVERCOME SUCH PROBLEMS. A FINAL REPORT IS DUE NO LATER THAN 30 DAYS AFTER THE INDICATED COMPLETION DATE OF THE PROJECT OUTLINING THE PROGRESS MADE IN ACCOMPLISHING THE PURPOSE OF THE GRANT. IN ADDITION, A ONE PAGE EXECUTIVE SUMMARY WRITTEN SPECIFICALLY FOR A NON-MEDICAL AUDIENCE IS INCLUDED WITH THE FINAL REPORT. THE SUMMARY INCLUDES A BRIEF BACKGROUND, STATEMENT OF THE PURPOSE OF THE STUDY, A BASIC DESCRIPTION OF THE METHODOLOGY, IMPORTANT FINDINGS, AND A CONCLUSION OR SUMMARY STATEMENT ABOUT THE RELEVANCE OF THE FINDINGS. THE RESEARCH IS SUBMITTED TO THE ORGANIZATION FOR PRESENTATION AT THE ANNUAL MEETING FOLLOWING COMPLETION OF THE STUDY. A FINAL FINANCIAL REPORT IS REQUIRED TO BE SUBMITTED 90 DAYS AFTER THE PROJECT END DATE. ALL UNEXPENDED FUNDS MUST BE RETURNED TO THE ORGANIZATION ALONG WITH THE FINAL ACCOUNTING REPORT. PAYMENTS FOR SUBSEQUENT GRANTS WILL BE CONTINGENT ON RECEIPT OF ANY OUTSTANDING FINAL ACCOUNTING REPORTS AND REFUNDS, AS APPLICABLE.
PART I, LINE 3:	ACCRUAL ACCOUNTING
PART III, COL (C):	ESTIMATED NUMBER OF RECIPIENTS IS BASED ON APPROVED AWARDS ACCEPTED.
PART III ACCOUNTING METHOD:

Schedule F (Form 990) 2022

Additional Data

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- TIN:

SCHEDULE G (Form 990)

Department of the Treasury
Internal Revenue Service

Supplemental Information Regarding
Fundraising or Gaming Activities

Complete if the organization answered "Yes" on Form 990, Part IV, lines 17, 18, or 19, or if the organization entered more than $15,000 on Form 990-EZ, line 6a. 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

2022

Open to Public Inspection

Name of the organization
AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

Part I

Fundraising Activities.Complete if the organization answered "Yes" on Form 990, Part IV, line 17.

Form 990-EZ filers are not required to complete this part.

Indicate whether the organization raised funds through any of the following activities. Check all that apply.

a	Mail solicitations	e	Solicitation of non-government grants
b	Internet and email solicitations	f	Solicitation of government grants
c	Phone solicitations	g	Special fundraising events
d	In-person solicitations

Did the organization have a written or oral agreement with any individual (including officers, directors, trustees

or key employees listed in Form 990, Part VII) or entity in connection with professional fundraising services?

YesNo

If "Yes," list the 10 highest paid individuals or entities (fundraisers) pursuant to agreements under which the fundraiser is
to be compensated at least $5,000 by the organization.

(i) Name and address of individual or entity (fundraiser)	(iii) Did fundraiser have custody or control of contributions?
	Yes	No










Total . . . . . . . . . . . . . . . . . . . .

List all states in which the organization is registered or licensed to solicit contributions or has been notified it is exempt from registration or licensing.

For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.

Cat. No. 50083H

Schedule G (Form 990) 2022

Page 2

Part II

Fundraising Events. Complete if the organization answered "Yes" on Form 990, Part IV, line 18, or reported more than $15,000 of fundraising event contributions and gross income on Form 990-EZ, lines 1 and 6b. List events with gross receipts greater than $5,000.

		(a) Event #1 ANNUAL RESEARCH PROGRAM BENEFIT (event type)	(d) Total events (add col. (a) through col. (c))
1	Gross receipts . . . . .	289,095	289,095
2	Less: Contributions . . . .	210,045	210,045
3	Gross income (line 1 minus line 2) . . . . . .	79,050	79,050

4	Cash prizes . . . . .
5	Noncash prizes . . . .
6	Rent/facility costs . . . .
7	Food and beverages . . .	72,151	72,151
8	Entertainment . . . .
9	Other direct expenses . . .	9,386	9,386
10	Direct expense summary. Add lines 4 through 9 in column (d) . . . . . . . . . .		81,537
11	Net income summary. Subtract line 10 from line 3, column (d). . . . . . . . . .		-2,487

Part III

Gaming. Complete if the organization answered "Yes" on Form 990, Part IV, line 19, or reported more than $15,000 on Form 990-EZ, line 6a.

		(a) Bingo	(b) Pull tabs/Instant bingo/progressive bingo	(c) Other gaming	(d) Total gaming (add col.(a) through col.(c))
1	Gross revenue . . . . .

2	Cash prizes . . . . .
3	Noncash prizes . . . .
4	Rent/facility costs . . . .
5	Other direct expenses . . .

Volunteer labor . . . .

	Yes %
	No

	Yes %
	No

	Yes %
	No

Direct expense summary. Add lines 2 through 5 in column (d) . . . . . . . . . . right arrow

Net gaming income summary. Subtract line 7 from line 1, column (d). . . . . . . . . right arrow

Enter the state(s) in which the organization conducts gaming activities:

Is the organization licensed to conduct gaming activities in each of these states? . . . . . . . .

YesNo

If "No," explain:

10a

Were any of the organization's gaming licenses revoked, suspended or terminated during the tax year? . . .

YesNo

If "Yes," explain:

Schedule G (Form 990) 2022

Page 3

Does the organization conduct gaming activities with nonmembers? . . . . . . . . . . .

YesNo

Is the organization a grantor, beneficiary or trustee of a trust or a member of a partnership or other entity

formed to administer charitable gaming? . . . . . . . . . . . . . . . . .

YesNo

Indicate the percentage of gaming activity conducted in:

The organization's facility . . . . . . . . . . . . . . . . . .

13a

An outside facility . . . . . . . . . . . . . . . . . . . .

13b

Enter the name and address of the person who prepares the organization's gaming/special events books and records:

Name

Address

15a

Does the organization have a contract with a third party from whom the organization receives gaming

revenue? . . . . . . . . . . . . . . . . . . . . . . . .

YesNo

If "Yes," enter the amount of gaming revenue received by the organization right arrow

$ and the

amount of gaming revenue retained by the third party right arrow

$ .

If "Yes," enter name and address of the third party:

Name

Address

Gaming manager information:

Name

Gaming manager compensation right arrow

Description of services provided right arrow

Director/officer Employee Independent contractor

Mandatory distributions:

Is the organization required under state law to make charitable distributions from the gaming proceeds to

retain the state gaming license? . . . . . . . . . . . . . . . . . . .

YesNo

Enter the amount of distributions required under state law distributed to other exempt organizations or spent

in the organization's own exempt activities during the tax year right arrow

Part IV

Supplemental Information. Provide the explanations required by Part I, line 2b, columns (iii) and (v); and Part III, lines 9, 9b, 10b, 15b, 15c, 16, and 17b, as applicable. Also provide any additional information. See instructions.

Return Reference	Explanation

Schedule G (Form 990) 2022

Additional Data

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Note: To capture the full content of this document, please select landscape mode (11" x 8.5") when printing.

Schedule I
(Form 990)

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 the latest information.

OMB No. 1545-0047

2022

Open to Public
Inspection

Name of the organization
AMERICAN THORACIC SOCIETY INC

Employer identification number
06-1548706

Part I

General Information on Grants and Assistance

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? ........................

Yes No

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)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)

Enter total number of section 501(c)(3) and government organizations listed in the line 1 table ................. Bullet Image

Enter total number of other organizations listed in the line 1 table ........................ . Bullet Image

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50055P

Schedule I (Form 990) 2022

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) TECHNICAL ASSISTANCE GRANTS	111	536,442
(2) RESEARCH GRANTS	22	975,000
(2)
(3)
(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:

THE ORGANIZATION REQUIRES A WRITTEN MID-POINT PROGRESS REPORT TO BE SUBMITTED BY THE RECIPIENT, BRIEFLY DESCRIBING THE RESEARCH CONDUCTED TO DATE, INDICATING THE CURRENT STAGE OF COMPLETENESS ACCORDING TO THE TIMELINE ORIGINALLY SUBMITTED WITH THE PROPOSAL, PROBLEMS ENCOUNTERED WITH THE PROGRESS OF THE STUDY IF ANY, AND EFFORTS MADE TO OVERCOME SUCH PROBLEMS. A FINAL REPORT IS DUE NO LATER THAN 30 DAYS AFTER THE INDICATED COMPLETION DATE OF THE PROJECT OUTLINING THE PROGRESS MADE IN ACCOMPLISHING THE PURPOSE OF THE GRANT. IN ADDITION, A ONE PAGE EXECUTIVE SUMMARY WRITTEN SPECIFICALLY FOR A NON-MEDICAL AUDIENCE IS INCLUDED WITH THE FINAL REPORT. THE SUMMARY INCLUDES A BRIEF BACKGROUND, STATEMENT OF THE PURPOSE OF THE STUDY, A BASIC DESCRIPTION OF THE METHODOLOGY, IMPORTANT FINDINGS, AND A CONCLUSION OR SUMMARY STATEMENT ABOUT THE RELEVANCE OF THE FINDINGS. THE RESEARCH IS SUBMITTED TO THE ORGANIZATION FOR PRESENTATION AT THE ANNUAL MEETING FOLLOWING COMPLETION OF THE STUDY. A FINAL FINANCIAL REPORT IS REQUIRED TO BE SUBMITTED 90 DAYS AFTER THE PROJECT END DATE. ALL UNEXPENDED FUNDS MUST BE RETURNED TO THE ORGANIZATION ALONG WITH THE FINAL ACCOUNTING REPORT. PAYMENTS FOR SUBSEQUENT GRANTS WILL BE CONTINGENT ON RECEIPT OF ANY OUTSTANDING FINAL ACCOUNTING REPORTS AND REFUNDS, AS APPLICABLE.

Schedule I (Form 990) 2022

Additional Data

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Schedule J
(Form 990)

Department of the Treasury
Internal Revenue Service

Compensation Information

For certain Officers, Directors, Trustees, Key Employees, and Highest
Compensated Employees
SchJMediumBullet

Complete if the organization answered "Yes" on Form 990, Part IV, line 23.
SchJMediumBullet

Attach to Form 990.
SchJMediumBullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2022

Open to Public Inspection

Name of the organization

AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

Part I

Questions Regarding Compensation

Yes

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.

First-class or charter travel Housing allowance or residence for personal use

Travel for companions Payments for business use of personal residence

Tax idemnification and gross-up payments Health or social club dues or initiation fees

Discretionary spending account Personal services (e.g., maid, chauffeur, chef)

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 .....

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? ....

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.

Compensation committee Written employment contract

Independent compensation consultant Compensation survey or study

Form 990 of other organizations Approval by the board or compensation committee

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:

Receive a severance payment or change-of-control payment? .............

Participate in, or receive payment from, a supplemental nonqualified retirement plan? .........

Participate in, or receive payment from, an equity-based compensation arrangement? .........

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.

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:

The organization? ....................

Any related organization? .......................

If "Yes," on line 5a or 5b, describe in Part III.

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:

The organization? ..................

Any related organization? ......................

If "Yes," on line 6a or 6b, describe in Part III.

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 ............

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 ..........................

If "Yes" on line 8, did the organization also follow the rebuttable presumption procedure described in Regulations section 53.4958-6(c)? .........................

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50053T

Schedule J (Form 990) 2022

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
(A) Name and Title		(i) Base compensation	(ii) Bonus & incentive compensation	(iii) Other reportable compensation	(C) Retirement and other deferred compensation	(D) Nontaxable benefits	(E) Total of columns (B)(i)-(D)
1KAREN COLLISHAW CHIEF EXECUTIVE DIRECTOR	(i) (ii)	436,985 ------------- 0	29,845 ------------- 0	0 ------------- 0	13,500 ------------- 0	40,622 ------------- 0	520,952 ------------- 0	0 ------------- 0
2KEVIN WILSON CHIEF, DOCUMENTS & PATIENT	(i) (ii)	278,834 ------------- 0	0 ------------- 0	0 ------------- 0	13,500 ------------- 0	49,797 ------------- 0	342,131 ------------- 0	0 ------------- 0
3PATRICIA HUIE CHIEF, FINANCIAL OFFICER	(i) (ii)	245,764 ------------- 0	0 ------------- 0	0 ------------- 0	0 ------------- 0	18,518 ------------- 0	264,282 ------------- 0	0 ------------- 0
4GARY EWART CHIEF, ADVOCACY & GOVERNMENT	(i) (ii)	195,613 ------------- 0	0 ------------- 0	0 ------------- 0	12,491 ------------- 0	49,123 ------------- 0	257,227 ------------- 0	0 ------------- 0
5STEPHEN ALTOBELLI CHIEF, OPERATIONS	(i) (ii)	205,259 ------------- 0	0 ------------- 0	0 ------------- 0	12,910 ------------- 0	34,764 ------------- 0	252,933 ------------- 0	0 ------------- 0
6DIANE GERN CHIEF, JOURNALS	(i) (ii)	203,037 ------------- 0	2,000 ------------- 0	0 ------------- 0	10,883 ------------- 0	27,540 ------------- 0	243,460 ------------- 0	0 ------------- 0
7MICHELLE TURENNE CHIEF, STRATEGIC ALLIANCES	(i) (ii)	210,818 ------------- 0	4,000 ------------- 0	0 ------------- 0	12,697 ------------- 0	14,590 ------------- 0	242,105 ------------- 0	0 ------------- 0
8DORON BEN AVRAHAM SENIOR DIRECTOR, INFO STRATEGY	(i) (ii)	194,625 ------------- 0	0 ------------- 0	0 ------------- 0	10,250 ------------- 0	18,733 ------------- 0	223,608 ------------- 0	0 ------------- 0
9SHANE MCDERMOTT SENIOR DIRECTOR, ETHICS AND PROFESSI	(i) (ii)	179,276 ------------- 0	0 ------------- 0	0 ------------- 0	2,801 ------------- 0	31,469 ------------- 0	213,546 ------------- 0	0 ------------- 0

Schedule J (Form 990) 2022

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

Schedule J (Form 990) 2022

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE O
(Form 990)

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.
MediumBullet

Attach to Form 990 or 990-EZ.
MediumBullet

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2021

Open to Public
Inspection

Name of the organization

AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

Return Reference	Explanation
FORM 990, PART VI, SECTION A, LINE 6	ATS HAS 3 MEMBERSHIP CATEGORIES. 1. DOMESTIC A. FULL: FULL DOMESTIC MEMBERS ARE THOSE INDIVIDUALS WHO WISH TO HAVE ALL THE RIGHTS AND PRIVILEGES OF MEMBERSHIP IN THE ATS INCLUDING THE ABILITY TO HOLD OFFICE, VOTE IN ELECTIONS, AND RECEIVE THE GREATEST DISCOUNTS ON ALL PRODUCTS AND SERVICES OFFERED BY THE SOCIETY. B. AFFILIATE: AFFILIATE DOMESTIC MEMBERS ARE INDIVIDUALS WHO ARE NOT PRINCIPALLY PRACTICING OR CONDUCTING RESEARCH IN PULMONARY, CRITICAL CARE OR SLEEP-RELATED MEDICINE BUT WHO WISH TO BE ASSOCIATED WITH THE ATS PROFESSIONALLY AND RECEIVE MORE LIMITED MEMBERSHIP BENEFITS THAN FULL MEMBERS. C. TRAINEE: TRAINEE DOMESTIC MEMBERS ARE ANY INDIVIDUALS WHO ARE ENROLLED IN ANY LEVEL OF TRAINING IN ANY ACCREDITED DEGREE PROGRAM OR DISCIPLINE RELATED TO PULMONARY, CRITICAL CARE AND SLEEP MEDICINE AND WHO WISH TO PARTICIPATE AS FULL MEMBERS DURING THEIR TRAINING YEARS. 2. INTERNATIONAL A. INTERNATIONAL: INDIVIDUALS RESIDING IN COUNTRIES DESIGNATED AS HIGH, UPPER MIDDLE, LOWER MIDDLE AND LOW INCOME BY THE WORLD BANK SHALL PAY A MEMBERSHIP FEE COMMENSURATE WITH THEIR COUNTRY CLASSIFICATION. INDIVIDUALS WHO PAY A REDUCED MEMBERSHIP FEE WILL HAVE THE RIGHTS OF A FULL DOMESTIC MEMBER AS DETERMINED BY THE BOARD OF DIRECTORS. B. TRAINEE: INDIVIDUALS WHO ARE ENROLLED IN ANY LEVEL OF TRAINING IN ANY ACCREDITED DEGREE PROGRAM OR DISCIPLINE WHO SHALL HAVE THE SAME RIGHTS OF MEMBERSHIP AS DOMESTIC TRAINEE MEMBERS. 3. SPECIAL A. SENIOR MEMBER. FULL MEMBERS WHO ARE TOTALLY RETIRED OR INDIVIDUALS WHO HAVE THE PRESENCE OF AN INCOME LIMITING PERMANENT DISABILITY MAY APPLY TO THE MEMBERSHIP COMMITTEE FOR TRANSFER TO SENIOR MEMBERSHIP. SENIOR MEMBERS SHALL HAVE ALL THE PRIVILEGES OF FULL MEMBERS WITH THE EXCEPTION OF HOLDING OFFICE. B. EMERITUS MEMBER. FULL MEMBERS WHO HAVE REACHED THE AGE OF 75, NOT YET RETIRED, MAY APPLY FOR THE STATUS OF EMERITUS MEMBERSHIP. EMERITUS MEMBERS SHALL HAVE ALL THE PRIVILEGES OF FULL MEMBERS. EMERITUS MEMBERS SHALL NOT PAY ANNUAL DUES. C. HONORARY MEMBER. INDIVIDUALS WITH A RECORD OF HIGH ACHIEVEMENT AND SINGULAR CONTRIBUTIONS TO THE FIELDS OF PULMONARY AND/OR CRITICAL CARE MEDICINE AND NURSING MAY BE PROPOSED FOR HONORARY MEMBERSHIP BY ANY MEMBER, AND UPON RECOMMENDATION BY THE MEMBERSHIP COMMITTEE MAY BE ELECTED BY THE MEMBERSHIP OF THE SOCIETY. HONORARY MEMBERS WHO ARE NOT MEMBERS AT THE TIME HONORARY MEMBERSHIP IS CONFERRED, SHALL HAVE ALL THE PRIVILEGES OF FULL MEMBERS WITH THE EXCEPTION OF VOTING AND HOLDING OFFICE. HONORARY MEMBERS SHALL NOT PAY ANNUAL DUES.
FORM 990, PART VI, SECTION A, LINE 7A	ALL OF THE OFFICERS OF ATS ARE ELECTED BY THE MEMBERS OF ATS ENTITLED TO VOTE, WITH THE EXCEPTION OF THE TREASURER AND ADDITIONAL OFFICER POSITIONS CREATED BY THE BOARD.
FORM 990, PART VI, SECTION B, LINE 11B	THE 990 IS REVIEWED BY THE FINANCE DEPARTMENT
FORM 990, PART VI, SECTION B, LINE 12C	TRUSTEES, DIRECTORS, OFFICERS AND KEY EMPLOYEES ARE REQUIRED TO COMPLETE A CONFLICT OF INTEREST FORM ANNUALLY. ANY DISCLOSURES ARE INVESTIGATED.
FORM 990, PART VI, SECTION B, LINE 15	IN ADDITION TO COMPARABILITY DATA, ATS ALSO EXAMINES FOR EACH POSITION, THE INTERNAL GRADE STRUCTURE, WHERE THE POSITION FALLS WITHIN THE GRADE STRUCTURE AND THE TENURE FOR THE POSITION.
FORM 990, PART VI, SECTION C, LINE 19	THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.
FORM 990, PART IX, LINE 11G	TEMP AGENCY FEES: PROGRAM SERVICE EXPENSES 134,314. MANAGEMENT AND GENERAL EXPENSES 148,697. FUNDRAISING EXPENSES 21,007. TOTAL EXPENSES 304,018. BUSINESS PROCESS CONSULTING: PROGRAM SERVICE EXPENSES 29,964. MANAGEMENT AND GENERAL EXPENSES 562,304. FUNDRAISING EXPENSES 6,427. TOTAL EXPENSES 598,695. CONTRACT SERVICES: PROGRAM SERVICE EXPENSES 5,780,042. MANAGEMENT AND GENERAL EXPENSES 175,370. FUNDRAISING EXPENSES 237,778. TOTAL EXPENSES 6,193,190. EDITORIAL FEES: PROGRAM SERVICE EXPENSES 1,041,984. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,041,984. STIPENDS: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 171,622. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 171,622. ADVOCACY: PROGRAM SERVICE EXPENSES 177,305. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 177,305. CME DEVELOPMENT: PROGRAM SERVICE EXPENSES 40,779. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 40,779. COMMISSIONS AND DISCOUNTS: PROGRAM SERVICE EXPENSES 713,684. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 713,684. PROFESSIONAL SEARCH: PROGRAM SERVICE EXPENSES 16,647. MANAGEMENT AND GENERAL EXPENSES 71,467. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 88,114. GRAPHIC DESIGN: PROGRAM SERVICE EXPENSES 6,310. MANAGEMENT AND GENERAL EXPENSES 1,064. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 7,374.
B - AMENDED RETURN	THE TAX RETURN WAS AMENDED BECAUSE THE ORGINAL RETURN WAS FILED USING UNAUDITED DATA. THE TAX RETURN WAS AMENDED TO MATCH THE AUDITED FINANCIAL DATA. THE FOLLOWING LINES ON THE 990 HAVE BEEN UPDATED: PART I, LINES 1, 7A, 7B, 8, 9, 11, 12, 13, 15, 16B, 17, 18, 19, 20, 21, AND 22 PART III, LINES 1, 4A, 4B, 4C, 4D, 4E PART IV, LINES 11F AND 12A PART VII, COLUMN D, ROW 14 PART VIII, LINES 1C, 1E, 1F, 1H, 2A, 2B, 2C, 2D, 2G, 5, 8A, 11B, 11E, AND 12 PART IX, LINES 2, 5, 9, 11G, 12, 13, 14, 16, 24B, 24C, 24D, 24E, AND 25 PART X, LINES 3, 4, 9, 16, 17, 18, 19, 21, 26, 27, 28, 32, AND 33 PART XI, LINES 1, 2, 3, 8 AND 10 PART XII, LINES 2B AND 2C SCHEDULE A, PART III, LINES 1, 2, 6, 7A, 7C, 8, 9, 10A, 10C, 11, 13, 15, AND 17 SCHEDULE B, PART I, LINES 1, 5, 6, 8, 9, 10, 11, 12, 13, 31, 32, 44, AND 45 SCHEDULE D, PART X, LINE 2 SCHEDULE D, PART XI, LINES 1, 2A, 2E, 3, 4A, 4B, 4C, AND 5 SCHEDULE D, PART XII, LINES 1, 2D, 2E, 3, 4A, 4C, AND 5 SCHEDULE D, PART XIII SCHEDULE F, PART I SCHEDULE G, PART II, LINES 1 AND 2 SSCHEDULE I, PART III SCHEDULE O

For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.

Cat. No. 51056K

Schedule O (Form 990) 2021

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE R
(Form 990)

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.
MediumBullet

Attach to Form 990.
MediumBullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2021

Open to Public Inspection

Name of the organization

AMERICAN THORACIC SOCIETY INC

Employer identification number

06-1548706

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

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?
(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	Yes	No
(1)ALABAMA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 90-0814566	EDUCATION & RESEARCH	AL	501(C)(6)		N/A		No
(2)ARIZONA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 45-4381827	EDUCATION & RESEARCH	AZ	501(C)(6)		N/A		No
(3)CALIFORNIA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 80-0627724	EDUCATION & RESEARCH	CA	501(C)(6)		N/A		No
(4)COLORADO THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 80-0659995	EDUCATION & RESEARCH	CO	501(C)(6)		N/A		No
(5)CONNECTICUT THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 82-1442659	EDUCATION & RESEARCH	CT	501(C)(6)		N/A		No
(6)GEORGIA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 82-1470481	EDUCATION & RESEARCH	GA	501(C)(6)		N/A		No
(7)HAWAII THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 59-3843310	EDUCATION & RESEARCH	HI	501(C)(6)		N/A		No
(8)INDIANA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 83-1957660	EDUCATION & RESEARCH	IN	501(C)(6)		N/A		No
(9)LOUISIANA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 45-4437279	EDUCATION & RESEARCH	LA	501(C)(6)		N/A		No
(10)METRO DC THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 80-0759367	EDUCATION & RESEARCH	DC	501(C)(6)		N/A		No
(11)MISSISSIPPI THORACIC SOCIETY 2500 STATE STREET N JACKSON,MS39216 45-4560770	EDUCATION & RESEARCH	MS	501(C)(6)		N/A		No
(12)NEW JERSEY THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 90-0631066	EDUCATION & RESEARCH	NJ	501(C)(6)		N/A		No
(13)NEW MEXICO THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 36-4679463	EDUCATION & RESEARCH	NM	501(C)(6)		N/A		No
(14)NEW YORK STATE THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 80-0759359	EDUCATION & RESEARCH	NY	501(C)(6)		N/A		No
(15)NORTH CAROLINA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 82-1364763	EDUCATION & RESEARCH	NC	501(C)(6)		N/A		No
(16)OHIO THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 37-1651271	EDUCATION & RESEARCH	OH	501(C)(6)		N/A		No
(17)OKLAHOMA THORACIC SOCIETY 800 STANTON L YOUNG BLVD OKLAHOMA CITY,OK73104 61-1666906	EDUCATION & RESEARCH	OK	501(C)(6)		N/A		No
(18)OREGON THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 45-4930900	EDUCATION & RESEARCH	OR	501(C)(6)		N/A		No
(19)RHODE ISLAND THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 61-1627263	EDUCATION & RESEARCH	RI	501(C)(6)		N/A		No
(20)SOUTH CAROLINA THORACIC SOCIETY 25 BROADWAY 14TH FLOOR NEW YORK,NY100042755 82-1386624	EDUCATION & RESEARCH	SC	501(C)(6)		N/A		No
(21)SOUTH DAKOTA THORACIC SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 82-1404679	EDUCATION & RESEARCH	SD	501(C)(6)		N/A		No
(22)WASHINGTON THORACIC STATE SOCIETY 25 BROADWAY 4TH FLOOR NEW YORK,NY100042755 80-0759374	EDUCATION & RESEARCH	WA	501(C)(6)		N/A		No

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50135Y

Schedule R (Form 990) 2021

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	(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
(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(f) Share of total income	(g) Share of end-of-year assets	Yes	No	(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	Yes	No	(k) Percentage ownership

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?
(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	Yes	No

Schedule R (Form 990) 2021

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

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 .....................

b Gift, grant, or capital contribution to related organization(s) ............................

c Gift, grant, or capital contribution from related organization(s) ............................

d Loans or loan guarantees to or for related organization(s) ............................

e Loans or loan guarantees by related organization(s) ............................

f Dividends from related organization(s) ............................

g Sale of assets to related organization(s) ............................

h Purchase of assets from related organization(s) ............................

i Exchange of assets with related organization(s) ............................

j Lease of facilities, equipment, or other assets to related organization(s) .......................

k Lease of facilities, equipment, or other assets from related organization(s) ......................

l Performance of services or membership or fundraising solicitations for related organization(s) .....................

Yes

m Performance of services or membership or fundraising solicitations by related organization(s) .................

n Sharing of facilities, equipment, mailing lists, or other assets with related organization(s) ...................

Yes

o Sharing of paid employees with related organization(s) ............................

p Reimbursement paid to related organization(s) for expenses ............................

q Reimbursement paid by related organization(s) for expenses ............................

r Other transfer of cash or property to related organization(s) ............................

s Other transfer of cash or property from related organization(s) ............................

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) 2021

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)	(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
(a) Name, address, and EIN of entity	(b) Primary activity	(c) Legal domicile (state or foreign country)	Yes	No	(f) Share of total income	(g) Share of end-of-year assets	Yes	No	(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	Yes	No	(k) Percentage ownership

Schedule R (Form 990) 2021

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) 2021

Additional Data

Software ID:
Software Version:

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). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
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). . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
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). . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
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) .	Yes	No
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). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
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).. . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No