TY 2024 Form 990

(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)	(E) Reportable compensation from related organizations (W-2/1099-MISC/1099-NEC)
(1) JOREY BERRY...................................................................... PRESIDENT &	40.00 .................		X		291,976	55,291
(2) AIMEE SIMPSON...................................................................... VP INSTITUTI	40.00 .................			X	157,876	20,059
(3) SARAH ROSE...................................................................... CFO	40.00 .................		X		147,965	24,842
(4) BRIAN LLOYD...................................................................... CTO	40.00 .................			X	143,863	28,724
(5) TAMMY BLACK...................................................................... VP COMMUNICA	40.00 .................			X	151,684	19,050
(6) LYNN ALBIZO...................................................................... VP PUBLIC PO	40.00 .................			X	142,625	22,962
(7) CHRISTOPHER DUCKETT...................................................................... DIRECTOR OF	40.00 .................			X	126,700	29,637
(8) JASON ANGELOS...................................................................... FINANCE CHAI	1.00 .................	X			0	0
(9) PETE ATHERTON...................................................................... FUTURES CHAI	1.00 .................	X			0	0
(10) COLLEEN DANSEREAU...................................................................... TRUSTEE	1.00 .................	X			0	0
(11) CHARLENE GRABOWSKI...................................................................... TRUSTEE	1.00 .................	X			0	0
(12) SETH KAUFMAN...................................................................... BOARD VICE C	1.00 .................	X	X		0	0
(13) KATE SULLIVAN MD...................................................................... MAC CHAIR	1.00 .................	X			0	0
(14) ADRIAN MOLLO...................................................................... TRUSTEE	1.00 .................	X			0	0
(15) ANDY ROBINS...................................................................... TRUSTEE	1.00 .................	X			0	0
(16) STELLA SAFO...................................................................... TRUSTEE	1.00 .................	X			0	0
(17) TRACY A SHAW...................................................................... BOARD CHAIR	1.00 .................	X	X		0	0

(A) Name and business address	(B) Description of services	(C) Compensation
IMS TECHNOLOGY SERVICES INC 3055 MCCANN FARM DRIVE GARNET VALLEY,PA19060	CONSULTING	168,093
FAEGRE DRINKER BIDDLE & REATH LLP PO BOX 536777 PITTSBURGH,PA15253	PUBLIC POLICY	166,920
THE MT ROYAL PRINTING COMPANY 6310 BLAIR HILL LN BALTIMORE,MD21209	CONSULTING	133,728
NEVINS & ASSOCIATES 215 WASHINGTON AVENUE SUITE 100 TOWSON,MD21204	CONSULTING	108,995

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 4

- 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

2024

Open to Public
Inspection

Name of the organization

IMMUNE DEFICIENCY FOUNDATION

Employer identification number

52-1214782

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) 2024

Page 2

Part II

Support Schedule for Organizations Described in Sections 170(b)(1)(A)(iv) and 170(b)(1)(A)(vi)
(Complete only if you checked the box on line 5, 7, or 8 of Part I or if the organization failed to qualify under Part III. If the organization failed to qualify under the tests listed below, please complete Part III.)

Section A. Public Support

Calendar year (or fiscal year beginning in)		(a) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(f) Total
1	Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grant.") ..	6,486,028	9,152,968	8,654,145	8,657,179	9,567,648	42,517,968
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	6,486,028	9,152,968	8,654,145	8,657,179	9,567,648	42,517,968
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) ..						18,832,052
6	Public support. Subtract line 5 from line 4.						23,685,916

Section B. Total Support

Calendar year (or fiscal year beginning in)		(a) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(f) Total
7	Amounts from line 4..	6,486,028	9,152,968	8,654,145	8,657,179	9,567,648	42,517,968
8	Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources...	194,897	286,433	299,863	398,737	551,898	1,731,828
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						44,249,796

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

104,316

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 2024 (line 6, column (f) divided by line 11, column (f)) .........

53.530 %

Public support percentage for 2023 Schedule A, Part II, line 14 ...............

53.520 %

16a

33 1/3% support test—2024. If the organization did not check the box on line 13, and line 14 is 33 1/3% or more, check this box
and stop here. The organization qualifies as a publicly supported organization ....................... right arrow

33 1/3% support test—2023. If the organization did not check a box on line 13 or 16a, and line 15 is 33 1/3% or more, check this
box and stop here. The organization qualifies as a publicly supported organization ..................... right arrow

17a

10%-facts-and-circumstances test—2024. If the organization did not check a box on line 13, 16a, or 16b, and line 14 is 10% or more, and if the organization meets the "facts-and-circumstances" test, check this box and stop here. Explain in Part VI how the organization meets the "facts-and-circumstances" test. The organization qualifies as a publicly supported organization ............ right arrow

10%-facts-and-circumstances test—2023. If the organization did not check a box on line 13, 16a, 16b, or 17a, and line 15 is 10% or more, and if the organization meets the "facts-and-circumstances" test, check this box and stop here. Explain in Part VI how the organization meets the "facts-and-circumstances" test. The organization qualifies as a publicly supported organization ............ right arrow

Private foundation. If the organization did not check a box on line 13, 16a, 16b, 17a, or 17b, check this box and see
instructions ..................................................... right arrow

Schedule A (Form 990) 2024

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) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(f) Total
1	Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grants.") .
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
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
7a	Amounts included on lines 1, 2, and 3 received from disqualified persons
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.
c	Add lines 7a and 7b..
8	Public support. (Subtract line 7c from line 6.)

Section B. Total Support

Calendar year (or fiscal year beginning in)		(a) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(f) Total
9	Amounts from line 6...
10a	Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources..
b	Unrelated business taxable income (less section 511 taxes) from businesses acquired after June 30, 1975.
c	Add lines 10a and 10b.
11	Net income from unrelated business activities not included on line 10b, whether or not the business is regularly carried on.
12	Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.) ..
13	Total support. (Add lines 9, 10c, 11, and 12.)..

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 2024 (line 8, column (f) divided by line 13, column (f)) .........

Public support percentage from 2023 Schedule A, Part III, line 15 ...............

Section D. Computation of Investment Income Percentage

Investment income percentage for 2024 (line 10c, column (f) divided by line 13, column (f)) ......

Investment income percentage from 2023 Schedule A, Part III, line 17 .............

19a

33 1/3% support tests-2024. If the organization did not check the box on line 14, and line 15 is more than 33 1/3%, and line 17 is not more than 33 1/3%, check this box and stop here. The organization qualifies as a publicly supported organization ....... right arrow

33 1/3 % support tests—2023. If the organization did not check a box on line 14 or line 19a, and line 16 is more than 33 1/3% and line 18 is not more than 33 1/3%, check this box and stop here. The organization qualifies as a publicly supported organization ..... right arrow

Private foundation. If the organization did not check a box on line 14, 19a, or 19b, check this box and see instructions .... right arrow

Schedule A (Form 990) 2024

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) 2024

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) 2024

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) 2024

Page 7

Part V

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

Section D - Distributions		Current Year
1 Amounts paid to supported organizations to accomplish exempt purposes	1
2 Amounts paid to perform activity that directly furthers exempt purposes of supported organizations, in excess of income from activity	2
3 Administrative expenses paid to accomplish exempt purposes of supported organizations	3
4 Amounts paid to acquire exempt-use assets	4
5 Qualified set-aside amounts (prior IRS approval required - provide details in Part VI)	5
6 Other distributions (describe in Part VI). See instructions	6
7Total annual distributions. Add lines 1 through 6.	7
8 Distributions to attentive supported organizations to which the organization is responsive (provide details in Part VI). See instructions	8
9 Distributable amount for 2024 from Section C, line 6	9
10 Line 8 amount divided by Line 9 amount	10

Section E - Distribution Allocations (see instructions)		(i) Excess Distributions	(ii) Underdistributions Pre-2024	(iii) Distributable Amount for 2024
1 Distributable amount for 2024 from Section C, line 6
2 Underdistributions, if any, for years prior to 2024 (reasonable cause required-- explain in Part VI). See instructions.
3 Excess distributions carryover, if any, to 2024:
a From 2019.......
b From 2020.......
c From 2021.......
d From 2022.......
e From 2023.......
fTotal of lines 3a through e
g Applied to underdistributions of prior years
h Applied to 2024 distributable amount
i Carryover from 2019 not applied (see instructions)
j Remainder. Subtract lines 3g, 3h, and 3i from line 3f.
4Distributions for 2024 from Section D, line 7:
$
a Applied to underdistributions of prior years
b Applied to 2024 distributable amount
c Remainder. Subtract lines 4a and 4b from line 4.
5 Remaining underdistributions for years prior to 2024, if any. Subtract lines 3g and 4a from line 2. If the amount is greater than zero, explain in Part VI. See instructions.
6 Remaining underdistributions for 2024. Subtract lines 3h and 4b from line 1. If the amount is greater than zero, explain in Part VI. See instructions.
7 Excess distributions carryover to 2025. Add lines 3j and 4c.
8 Breakdown of line 7:
a Excess from 2020.....
b Excess from 2021.....
c Excess from 2022.....
d Excess from 2023.....
e Excess from 2024.....

Schedule A (Form 990) (2024)

Schedule A (Form 990) 2024

Page 8

Part VI

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

Facts And Circumstances Test

Return Reference	Explanation

Schedule A (Form 990) 2024

Additional Data

Software ID:
Software Version:

- TIN:

Schedule B
(Form 990)
(Rev. January 2025)

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

Name of the organization

IMMUNE DEFICIENCY FOUNDATION

Employer identification number

52-1214782

Organization type (check one):

Filers of:

Section:

Form 990 or 990-EZ

501(c)( ) (enter number) organization

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

527 political organization

Form 990-PF

501(c)(3) exempt private foundation

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

501(c)(3) taxable private foundation

Check if your organization is covered by the General Rule or a Special Rule.
Note: Only a section 501(c)(7), (8), or (10) organization can check boxes for both the General Rule and a Special Rule. See instructions.

General Rule

For an organization filing Form 990, 990-EZ, or 990-PF that received, during the year, contributions totaling $5,000 or more (in money or other property) from any one contributor. Complete Parts I and II. See instructions for determining a contributor's total contributions.

Special Rules

For an organization described in section 501(c)(3) filing Form 990 or 990-EZ that met the 33¹/3% support test of the regulations
under sections 509(a)(1) and 170(b)(1)(A)(vi), that checked Schedule A (Form 990 or 990-EZ), Part II, line 13, 16a, or 16b, and that received from any one contributor, during the year, total contributions of the greater of (1) $5,000 or (2) 2% of the amount on (i) Form 990, Part VIII, line 1h, or (ii) Form 990-EZ, line 1. Complete Parts I and II.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, total contributions of more than $1,000 exclusively for religious, charitable, scientific, literary, or educational purposes, or for the prevention of cruelty to children or animals. Complete Parts I, II, and III.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, contributions exclusively for religious, charitable, etc., purposes, but no such contributions totaled more than $1,000. If this box is checked, enter here the total contributions that were received during the year for an exclusively religious, charitable, etc., purpose. Don't complete any of the parts unless the General Rule applies to this organization because it received nonexclusively religious, charitable, etc., contributions totaling $5,000 or more during the year ......... Right Arrow

Caution: An organization that isn't covered by the General Rule and/or the Special Rules doesn't file Schedule B (Form 990,
990-EZ, or 990-PF), but it must answer “No” on Part IV, line 2, of its Form 990; or check the box on line H of its Form 990-EZ
or on its Form 990PF, Part I, line 2, to certify that it doesn't meet the filing requirements of Schedule B (Form 990,
990-EZ, or 990-PF).

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

Cat. No. 30613XSchedule B (Form 990) (Rev. 1-2025)

Schedule B (Form 990) (Rev. 1-2025) Page 2

Name of organization IMMUNE DEFICIENCY FOUNDATION

Part I	Contributors (see instructions). Use duplicate copies of Part I if additional space is needed.
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
RESTRICTED	,	$ RESTRICTED	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) (Rev. 1-2025)

Schedule B (Form 990) (Rev. 1-2025)

Page 3

Name of organization IMMUNE DEFICIENCY FOUNDATION		Employer identification number 52-1214782

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

Schedule B (Form 990) (Rev. 1-2025)

Page 4


Name of organization IMMUNE DEFICIENCY FOUNDATION			Employer identification number 52-1214782
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) (Rev. 1-2025)

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

right arrow

Complete if the organization is described below. right arrow

Attach to Form 990 or Form 990-EZ.
right arrow

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

OMB No. 1545-0047

2024

Open to Public
Inspection

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

IMMUNE DEFICIENCY FOUNDATION

Employer identification number

52-1214782

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 .................................................................... right arrow

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 ................................ right arrow

Enter the amount of any excise tax incurred by organization managers under section 4955 ....................... right arrow

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 ..... right arrow

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

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

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) 2024

Page 2

Part II-A

Complete if the organization is exempt under section 501(c)(3) and filed Form 5768 (election under section 501(h)).

A Check right arrow

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 right arrow

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

Limits on Lobbying Expenditures (The term "expenditures" means amounts paid or incurred.)		(a) Filing organization's totals	(b) Affiliated group totals
1a	Total lobbying expenditures to influence public opinion (grass roots lobbying) ......................	148,902
b	Total lobbying expenditures to influence a legislative body (direct lobbying) ........................	287,034
c	Total lobbying expenditures (add lines 1a and 1b) ............................................................	435,936
d	Other exempt purpose expenditures ...............................................................................	9,176,862
e	Total exempt purpose expenditures (add lines 1c and 1d) ..................................................	9,612,798
f	Lobbying nontaxable amount. Enter the amount from the following table in both columns.	630,640
	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) .................................................	157,660
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) 2021	(b) 2022	(c) 2023	(d) 2024	(e) Total

2a	Lobbying nontaxable amount	551,181	546,808	520,113	630,640	2,248,742

b	Lobbying ceiling amount (150% of line 2a, column(e))					3,373,113

c	Total lobbying expenditures	225,131	364,371	358,010	435,936	1,383,448

d	Grassroots nontaxable amount	137,795	136,702	130,028	157,660	562,185

e	Grassroots ceiling amount (150% of line 2d, column (e))					843,278

f	Grassroots lobbying expenditures	58,108	174,631	104,284	148,902	485,925

Schedule C (Form 990) 2024

Page 3

Part II-B

Complete if the organization is exempt under section 501(c)(3) and has NOT filed Form 5768 (election under section 501(h)).

For each "Yes" response on lines 1a through 1i below, provide in Part IV a detailed description of the lobbying activity.

(a)

Yes

(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? ...........................................................................................................

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

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

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

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

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

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

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

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

Schedule C (Form 990) 2024

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.
right arrow

Attach to Form 990.
right arrow

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

OMB No. 1545-0047

Open to Public Inspection

Name of the organization

IMMUNE DEFICIENCY FOUNDATION

Employer identification number

52-1214782

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 July 25, 2006, 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 right arrow

Number of states where property subject to conservation easement is located right arrow

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
right arrow

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

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 ......................... right arrow

(ii)

Assets included in Form 990, Part X ............................... right arrow

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 .......................... right arrow

Assets included in Form 990, Part X ............................... right arrow

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

Cat. No. 52283D

Schedule D (Form 990) (Rev. 1-2025)

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 ....	7,173,807	6,198,759	6,183,528	5,483,828	4,962,050
b	Contributions ...			1,114,253
c	Net investment earnings, gains, and losses	1,662,429	975,048	-1,099,022	699,700	521,778
d	Grants or scholarships ...
e	Other expenditures for facilities and programs ...
f	Administrative expenses ....
g	End of year balance ......	8,836,236	7,173,807	6,198,759	6,183,528	5,483,828

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

Board designated or quasi-endowment right arrow

100.000 %

Permanent endowment right arrow

Term endowment right arrow

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	213,957	31,972	181,985
d	Equipment ....	35,803	30,550	5,253
e	Other .....
Total. Add lines 1a through 1e. (Column (d) must equal Form 990, Part X, column (B), line 10(c).)..				187,238

Schedule D (Form 990) (Rev. 1-2025)

Page 3

Part VII

Investments - Other Securities.
Complete if the organization answered "Yes" on Form 990, Part IV, line 11b. See Form 990, Part X, line 12.

(a) Description of security or category (including name of security)	(b) Book value	(c) Method of valuation: Cost or end-of-year market value
(1) Financial derivatives.........
(2) Closely-held equity interests........
(3)Other
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
Total. (Column (b) must equal Form 990, Part X, col. (B) line 12.)

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)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 15.)...........

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
OPERATING LEASES	1,038,367
DEFERRED COMPENSATION	24,926







Total. (Column (b) must equal Form 990, Part X, col.(B) line 25.)	1,063,293
2. Liability for uncertain tax positions. In Part XIII, provide the text of the footnote to the organization's financial statements that reports the organization's liability for uncertain tax positions under FIN 48 (ASC 740). Check here if the text of the footnote has been provided in Part XIII

Schedule D (Form 990) (Rev. 1-2025)

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	11,364,365
2	Amounts included on line 1 but not on Form 990, Part VIII, line 12:
a	Net unrealized gains (losses) on investments ....	2a	1,004,202
b	Donated services and use of facilities .........	2b	300,000
c	Recoveries of prior year grants ...........	2c
d	Other (Describe in Part XIII.) ...........	2d
e	Add lines 2a through 2d .....................			2e	1,304,202
3	Subtract line 2e from line 1..................			3	10,060,163
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	71,539
b	Other (Describe in Part XIII.) ...........	4b
c	Add lines 4a and 4b....................			4c	71,539
5	Total revenue. Add lines 3 and 4c. (This must equal Form 990, Part I, line 12.) ......			5	10,131,702

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	9,841,259
2	Amounts included on line 1 but not on Form 990, Part IX, line 25:
a	Donated services and use of facilities .........	2a	300,000
b	Prior year adjustments ............	2b
c	Other losses ................	2c
d	Other (Describe in Part XIII.) ...........	2d
e	Add lines 2a through 2d....................			2e	300,000
3	Subtract line 2e from line 1...................			3	9,541,259
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	71,539
b	Other (Describe in Part XIII.) ...........	4b
c	Add lines 4a and 4b.....................			4c	71,539
5	Total expenses. Add lines 3 and 4c. (This must equal Form 990, Part I, line 18.) ......			5	9,612,798

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

Schedule D (Form 990) (Rev. 1-2025)

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)
(Rev. January 2025)

Department of the Treasury
Internal Revenue Service

Grants and Other Assistance to Organizations,
Governments and Individuals in the United States

Complete if the organization answered "Yes," on Form 990, Part IV, line 21 or 22.
lBullet

Attach to Form 990.
lBullet

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

OMB No. 1545-0047

Open to Public
Inspection

Name of the organization
IMMUNE DEFICIENCY FOUNDATION

Employer identification number
52-1214782

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	(h) Purpose of grant or assistance
(1) THE REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES 10920 WILSHIRE BLVD SUITE 620 LOS ANGELES,CA90094	95-6006143	GOV	50,000	RESEARCH
(2) CHILDREN'S NATIONAL MEDICAL CENTER 111 MICHIGAN AVE NW WASHINGTON,DC20010	52-1640403	501C3	45,500	RESEARCH
(3) BOSTON CHILDREN'S HOSPITAL 300 LONGWOOD AVENUE BOSTON,MA02115	04-2774441	501C3	39,000	RESEARCH
(4) SEATTLE CHILDREN'S RESEARCH INSTITUTE PO BOX 5371 MS 818-FI SEATTLE,WA981455005	91-1156519	501C3	25,000	RESEARCH
(5) THE REGENTS OF THE UNIVERSITY OF MINNESOTA 200 OAK STREET SE MINNEAPOLIS,MN55455	41-6007513	GOV	25,000	RESEARCH
(6) JOHNS HOPKINS UNIVERSITY 3910 KESWICK ROAD STE N4327B BALTIMORE,MD21211	52-0595110	501C3	24,161	RESEARCH
(7) CLINICAL IMMUNOLOGY SOCIETY 555 EAST WELLS STREET SUITE 1100 MILWAUKEE,WI532023823	52-1469030	501C3	15,000	MEETING PARTICIPATIO

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) Rev. 1-2025

Page 2

Part III

Grants and Other Assistance to Domestic Individuals. Complete if the organization answered "Yes" on Form 990, Part IV, line 22.
Part III can be duplicated if additional space is needed.

(a) Type of grant or assistance	(b) Number of recipients	(c) Amount of cash grant	(d) Amount of noncash assistance	(e) Method of valuation (book, FMV, appraisal, other)	(f) Description of noncash assistance

(1) SCHOLARSHIPS	269	313,817
(2) RESEARCH STIPEND	1148	9,253
(3) HONORARIA	14	9,050
(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
SCHEDULE I, PAGE 1, PART I, LINE 2	EACH GRANT APPLICATION IS REVIEWED BY A COMMITTEE USING NIH SCORING CRITERIA. ONCE THE GRANT IS AWARDED, A 6-MONTH FINANCIAL AND PROGRESS REPORT IS DUE AS IS A 12-MONTH FINAL REPORT, WITH FINAL DELIVERABLES/ABSTRACT OR PUBLICATION DUE WITHIN 2 YEARS.

Schedule I (Form 990) Rev. 1-2025

Additional Data

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Schedule J
(Form 990)
(Rev. January 2025)

Department of the Treasury
Internal Revenue Service

Compensation Information

For certain Officers, Directors, Trustees, Key Employees, and Highest
Compensated Employees
medium right arrow graphic

Complete if the organization answered "Yes" on Form 990, Part IV, line 23.
medium right arrow graphic

Attach to Form 990.
medium right arrow graphic

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

OMB No. 1545-0047

Open to Public Inspection

Name of the organization

IMMUNE DEFICIENCY FOUNDATION

Employer identification number

52-1214782

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? .........

Yes

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) (Rev. 1-2025)

Page 2

Part II

Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees. Use duplicate copies if additional space is needed.

For each individual whose compensation must be reported on Schedule J, report compensation from the organization on row (i) and from related organizations, described in the
instructions, on row (ii). Do not list any individuals that are not listed on Form 990, Part VII.
Note. The sum of columns (B)(i)-(iii) for each listed individual must equal the total amount of Form 990, Part VII, Section A, line 1a, applicable column (D) and (E) amounts for that individual.

(A) Name and Title		(B) Breakdown of W-2, 1099-MISC compensation, and/or 1099-NEC			(C) Retirement and other deferred compensation	(D) Nontaxable benefits	(E) Total of columns (B)(i)-(D)	(F) Compensation in column (B) reported as deferred on prior Form 990
(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)
1JOREY BERRY PRESIDENT & CEO	(i) (ii)	245,156 -------------	46,820 -------------	-------------	35,276 -------------	20,015 -------------	347,267 -------------	-------------
2AIMEE SIMPSON VP INSTITUTIONAL ADV	(i) (ii)	153,492 -------------	4,384 -------------	-------------	6,290 -------------	13,769 -------------	177,935 -------------	-------------
3SARAH ROSE CFO	(i) (ii)	143,581 -------------	4,384 -------------	-------------	6,060 -------------	18,782 -------------	172,807 -------------	-------------
4BRIAN LLOYD CTO	(i) (ii)	139,589 -------------	4,274 -------------	-------------	5,860 -------------	22,864 -------------	172,587 -------------	-------------
5TAMMY BLACK VP COMMUNICATIONS	(i) (ii)	147,371 -------------	4,313 -------------	-------------	5,977 -------------	13,073 -------------	170,734 -------------	-------------
6LYNN ALBIZO VP PUBLIC POLICY	(i) (ii)	138,545 -------------	4,080 -------------	-------------	5,690 -------------	17,272 -------------	165,587 -------------	-------------
7CHRISTOPHER DUCKETT DIRECTOR OF TALENT	(i) (ii)	122,831 -------------	3,869 -------------	-------------	5,289 -------------	24,348 -------------	156,337 -------------	-------------

Schedule J (Form 990) (Rev. 1-2025)

Page 3

Part III

Supplemental Information

Provide the information, explanation, or descriptions required for Part I, lines 1a, 1b, 3, 4a, 4b, 4c, 5a, 5b, 6a, 6b, 7, and 8, and for Part II. Also complete this part for any additional information.

Return Reference

Explanation

SCHEDULE J, PART III

AT PRESENT, ONLY THE CEO PARTICIPATES IN THE NONQUALIFIED DEFERRED COMPENSATION PLAN. ELIGIBILITY MAY BE EXTENDED TO OTHER MANAGEMENT OR HIGHLY COMPENSATED EMPLOYEES. THE ELIGIBLE EMPLOYEE(S) WOULD BE DETERMINED BY THE BOARD OR A COMMITTEE OF THE BOARD IN CONJUNCTION WITH THE PRESIDENT/CEO. THE POTENTIAL CONTRIBUTION AMOUNT IS DETERMIEND JUST PRIOR TO EACH BUDGET YEAR BY THE BOARD/BOARD COMMITTEE AND VOTED ON WITHIN THE BUDGET APPROVAL. AT THE END OF THAT YEAR, THE BOARD OR COMMITTEE DETERMINES THE EXACT AMOUNT TO ALLOW AND THAT AMOUNT IS TRANSFERRED TO THE PARTICIPANT'S ACCOUNT SHORTLY THEREAFTER.

Schedule J (Form 990) (Rev. 1-2025)

Additional Data

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Software Version:

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SCHEDULE M
(Form 990)

Department of the Treasury

Internal Revenue Service

Noncash Contributions

Complete if the organizations answered "Yes" on Form 990, Part IV, lines 29 or 30.
Right pointing arrow large image

Attach to Form 990.
Right pointing arrow large image

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

OMB No. 1545-0047

2024

Open to Public Inspection

Name of the organization

IMMUNE DEFICIENCY FOUNDATION

Employer identification number

52-1214782

Part I

Types of Property

	(a) Check if applicable	(b) Number of contributions or items contributed	(c) Noncash contribution amounts reported on Form 990, Part VIII, line 1g	(d) Method of determining noncash contribution amounts
1 Art—Works of art ....
2 Art—Historical treasures .
3 Art—Fractional interests ..
4 Books and publications ..
5 Clothing and household goods .......
6 Cars and other vehicles ..
7 Boats and planes ....
8 Intellectual property ...
9 Securities—Publicly traded .	X	2	23,147	QUOTED MARKET PRICE
10 Securities—Closely held stock .
11 Securities—Partnership, LLC, or trust interests ....
12 Securities—Miscellaneous ..
13 Qualified conservation contribution—Historic structures .....
14 Qualified conservation contribution—Other ...
15 Real estate—Residential .
16 Real estate—Commercial ..
17 Real estate—Other ...
18 Collectibles .....
19 Food inventory ...	X	1	329	FAIR MARKET VALUE
20 Drugs and medical supplies .
21 Taxidermy ......
22 Historical artifacts ....
23 Scientific specimens ..
24 Archeological artifacts ...
25 Other ( GIFT CARDS )	X	18	1,800	FAIR MARKET VALUE
26 Other ( )
27 Other ( )
28 Other ( )

Number of Forms 8283 received by the organization during the tax year for contributions
for which the organization completed Form 8283, Part IV, Donee Acknowledgement

Yes

30a

During the year, did the organization receive by contribution any property reported in Part I, lines 1 through 28, that it must hold for at least three years from the date of the initial contribution, and which isn't required to be used for exempt purposes for the entire holding period? ...................

30a

If "Yes," describe the arrangement in Part II.

Does the organization have a gift acceptance policy that requires the review of any nonstandard contributions?

Yes

32a

Does the organization hire or use third parties or related organizations to solicit, process, or sell noncash

contributions? ..........................

32a

If "Yes," describe in Part II.

If the organization didn't report an amount in column (c) for a type of property for which column (a) is checked,

describe in Part II.

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

Cat. No. 51227J

Schedule M (Form 990) (2024)

Page 2

Part IISupplemental Information. Provide the information required by Part I, lines 30b, 32b, and 33, and whether the organization is reporting in Part I, column (b), the number of contributions, the number of items received, or a combination of both. Also complete this part for any additional information.

Return Reference	Explanation

Schedule M (Form 990) (2024)

Additional Data

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SCHEDULE O
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service

Supplemental Information to Form 990 or 990-EZ

Complete to provide information for responses to specific questions on
Form 990 or 990-EZ or to provide any additional information.
Attach to Form 990 or 990-EZ.
Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

Open to Public
Inspection

Name of the organization

IMMUNE DEFICIENCY FOUNDATION

Employer identification number

52-1214782

Return Reference	Explanation
FORM 990 - ORGANIZATION'S MISSION	THE IMMUNE DEFICIENCY FOUNDATION IMPROVES THE DIAGNOSIS, TREATMENT, AND QUALITY OF LIFE FOR EVERY PERSON AFFECTED BY PRIMARY IMMUNODEFICIENCY. WE FOSTER A COMMUNITY THAT IS CONNECTED, ENGAGED, AND EMPOWERED THROUGH ADVOCACY, EDUCATION, AND RESEARCH.
FORM 990, PAGE 2, PART III, LINE 4A	IMMUNE DEFICIENCY FOUNDATION (IDF) PROVIDED EDUCATIONAL PROGRAMS AND SERVICES FOR PATIENTS AND FAMILIES LIVING WITH PRIMARY IMMUNODEFICIENCIES (PI). IN 2024, APPROXIMATELY 30,700 INDIVIDUALS WERE PROVIDED WITH EDUCATION AND SUPPORT THROUGH PUBLICATIONS, WEBINARS, VIDEOS AND PODCAST EPISODES, IDF GET CONNECTED GROUP MEETINGS, TEEN AND YOUNG ADULT ACTIVITIES AND THE IDF PI CONFERENCE. THERE WERE 997 ATTENDEES AT THE PI CONFERENCE (THE FIRST IN-PERSON PI CONFERENCE SINCE 2019), WHERE IDF DEBUTED OUR DOCUMENTARY, "COMPROMISED: LIFE WITHOUT IMMUNITY". IDF PROVIDED MORE THAN 265 HOTEL ROOM AND FLIGHT SCHOLARSHIPS FOR PI CONFERENCE ATTENDEES. MORE THAN 1.3 MILLION IDF WEBSITE SESSIONS WERE ACCESSED FOR INFORMATION, EVENTS, PODCASTS AND SUPPORT AND MORE THAN 625 IMMUNE SYSTEM SELF- ASSESSMENTS WERE SUBMITTED VIA THE WEBSITE.
FORM 990, PAGE 2, PART III, LINE 4B	THE PI COMMUNITY TURNS TO IDF FOR INDIVIDUAL ASSISTANCE INCLUDING BUT NOT LIMITED TO ANSWERING INSURANCE QUESTIONS, LOCATING A SPECIALIST IN THEIR AREA, FINDING TREATMENT INFORMATION, AND LEARNING MORE ABOUT THEIR DIAGNOSIS. IDF'S PATIENT ADVOCACY SPECIALISTS PROVIDED ANSWERS TO OVER 1,900 QUESTIONS ON 300 DIFFERENT TOPICS FROM INDIVIDUALS SEEKING EDUCATION, INFORMATION, AND ASSISTANCE. IDF ALSO WORKS AT THE FEDERAL AND STATE LEVELS TO EDUCATE LAWMAKERS AND THE PUBLIC ABOUT ISSUES THAT IMPACT THOSE WHO ARE IMMUNOCOMPROMISED. A STRONG VOLUNTEER GRASSROOTS ADVOCACY NETWORK, INCLUDING HEALTH ACCESS ADVOCATE VOLUNTEERS, INFORM POLICYMAKERS ABOUT ISSUES AFFECTING THOSE WITH PI. IN 2024, 850 INDIVIDUALS MET WITH AND SENT MORE THAN 2,700 LETTERS AND MESSAGES TO LEGISLATORS AND EXECUTIVE OFFICIALS TO ENSURE THAT PEOPLE WITH PI CAN LIVE HEALTHY AND PRODUCTIVE LIVES WITH EXCELLENT TREATMENT OPTIONS AND ACCESS TO THE MOST APPROPRIATE HEALTHCARE AVAILABLE.
FORM 990, PAGE 2, PART III, LINE 4C	TO IMPROVE THE DIAGNOSIS, TREATMENT, AND QUALITY OF LIFE OF THOSE AFFECTED BY PI, IDF HAS SEVERAL INITIATIVES TO PROVIDE RESOURCES DIRECTLY TO THE MEDICAL COMMUNITY, INCLUDING EXHIBITING AT TEN MEDICAL CONFERENCES IN 2024, PROVIDING INFORMATION AND RESOURCES TO HEALTHCARE PROFESSIONALS, AND ADMINISTERING A CONSULTING IMMUNOLOGIST PROGRAM THAT ALLOWS CLINICIANS TO CONSULT WITH AN EXPERT CLINICAL IMMUNOLOGIST ABOUT PATIENT-SPECIFIC QUESTIONS TO OBTAIN VALUABLE DIAGNOSTIC, TREATMENT, AND DISEASE MANAGEMENT INFORMATION. IDF CONDUCTS NATIONAL SURVEYS AND FOCUS GROUPS OF PATIENTS, PHYSICIANS, AND OTHER HEALTHCARE PROFESSIONALS, BUILDING A COLLECTION OF QUANTIFIABLE DATA RELATED TO PRIMARY IMMUNODEFICIENCY. IN 2024, OVER 1,000 INDIVIDUALS PARTICIPATED IN AN IDF PATIENT SURVEY TO GATHER DATA ON IG TREATMENT. THERE WERE FOUR PUBLICATIONS IN 2024 USING USIDNET DATA. BECAUSE MEDICAL RESEARCH IS A PRIORITY, THE IDF RESEARCH GRANT PROGRAM FUNDED FOUR RESEARCH GRANTS FOR PI RELATED RESEARCH IN 2024, TOTALING OVER 159,000.
FORM 990, PAGE 6, PART VI, LINE 4	THE ORGANIZATION'S BYLAWS WERE UPDATED IN 2024 FOR THE FOLLOWING: 1) ADDED RESPONSIBILITIES FOR EACH TRUSTEE TO ENSURE ADHERANCE TO BOARD GOVERNANCE PRINCIPLES AND AVOIDING CONFLICTS OF INTEREST. 2) CLARIFIED THAT PERSONS WHO HAVE A BUSINESS RELATIONSHIP WITH OR FINANCIAL INTEREST IN MEMBERS OF INDUSTRY ARE NOT ELIGIBLE TO BE TRUSTEES
FORM 990, PAGE 6, PART VI, LINE 11B	THE 990 IS REVIEWED BY THE CHIEF FINANCIAL OFFICER ONCE COMPLETED BY THE OUTSIDE CPA FIRM. ONCE THE CHIEF FINANCIAL OFFICER IS SATISFIED WITH THE ACCURACY, THE 990 IS THEN PASSED ON TO THE PRESIDENT & CEO FOR REVIEW. AFTER THAT LEVEL OF REVIEW IS COMPLETE, IT IS THEN PASSED ON TO THE FINANCE COMMITTEE FOR APPROVAL. ONCE THAT HAPPENS IT IS REVIEWED AND ONCE ACCURATE, APPROVED BY THE BOARD OF TRUSTEES.
FORM 990, PAGE 6, PART VI, LINE 12C	EACH YEAR IDF REQUESTS THAT ALL BOARD OF TRUSTEE MEMBERS AND STAFF COMPLETE A CONFLICT OF INTEREST STATEMENT DISCLOSING ANY POTENTIAL CONFLICT THAT MAY EXIST. THESE ARE KEPT ON FILE IN A DIGITAL FILE. THE BOARD LIAISON/HR DISTRIBUTES THE STATEMENT ANNUALLY FOR SIGNATURES TO THE BOARD. THE BOARD LIAISON/HR, WOULD DISTRIBUTE TO ANY STAFF NECESSARY. THE BOARD LIAISON/HR WOULD REVIEW AND WOULD BRING IT TO THE EXECUTIVE COMMITTEE AND BOARD OF TRUSTEES IF THERE ARE CONFLICTS. ANY RESTRICTIONS, IF NECESSARY, WOULD BE MADE AT THE BOARD OF TRUSTEE OR PRESIDENT/CEO LEVEL, DEPENDING ON WHO/WHAT THE CONFLICT IS.
FORM 990, PAGE 6, PART VI, LINE 15A	THE PRESIDENT & CEO'S COMPENSATION IS REVIEWED AND DOCUMENTED BY THE EXECUTIVE COMMITTEE. THE COMMITTEE REVIEWS WEBSITES SUCH AS SALARY.COM AND/OR REVIEWS OF MATERIALS SUCH AS ASAE'S COMPENSATION AND BENEFITS STUDY BOOK, OR THE NATIONAL HEALTH COUNCILS COMPENSATION STUDY TO DETERMINE THE CORRECT SALARY FOR THE POSITION. THE COMPENSATION IS PRESENTED AND APPROVED BY THE FULL BOARD. THE EXECUTIVE COMMITTEE INFORMS THE PRESIDENT & CEO, HUMAN RESOURCES, AND ACCOUNTING.
FORM 990, PAGE 6, PART VI, LINE 15B	FOR ALL KEY EMPLOYEES, AN ANNUAL REVIEW IS CONDUCTED BY THE EMPLOYEE'S SUPERVISOR. BASED ON THIS REVIEW, IT IS DETERMINED IF THE PERSON GETS AN ANNUAL INCREASE BEYOND THE COST OF LIVING (IF ANY ADJUSTMENT FOR COL IS GIVEN). REVIEW OF WEBSITES SUCH AS SALARY.COM AND/OR REVIEW OF MATERIALS SUCH AS ASAE'S COMPENSATION AND BENEFITS STUDY BOOK OR THE NATIONAL HEALTH COUNCILS COMPENSATION STUDY HELPS DETERMINE THE CORRECT SALARY FOR THE POSITION. IF THE SUPERVISOR APPROVES AN INCREASE, PAPERWORK IS DRAWN UP AND SUBMITTED TO THE PRESIDENT & CEO FOR APPROVAL. ONCE APPROVAL IS COMPLETE, HUMAN RESOURCES AND ACCOUNTING ARE INFORMED OF THE INCREASE. THE EMPLOYEE IS NOTIFIED AS WELL.
FORM 990, PAGE 6, PART VI, LINE 17	KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSISSIPPI, NEVADA, NEW HAMPSHIRE, NEW JERSEY, NEW MEXICO, NEW YORK, NORTH CAROLINA, NORTH DAKOTA, OHIO, OKLAHOMA, OREGON, PENNSYLVANIA, RHODE ISLAND, SOUTH CAROLINA, TENNESSEE, VIRGINIA, WASHINGTON, WEST VIRGINIA, WISCONSIN
FORM 990, PAGE 6, PART VI, LINE 19	THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST. IN ADDITION, THE FINANCIAL STATEMENTS ARE AVAILABLE ON THE WEBSITE.

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

Cat. No. 51056K

Schedule O (Form 990) (Rev. 1-2025)

Additional Data

Software ID:
Software Version:

1	Briefly describe the organization’s mission or most significant activities: THE IMMUNE DEFICIENCY FOUNDATION IMPROVES THE DIAGNOSIS, TREATMENT, AND QUALITY OF LIFE OF PEOPLE AFFECTED BY PRIMARY IMMUNODEFICIENCY THROUGH FOSTERING A COMMUNITY EMPOWERED BY ADVOCACY, EDUCATION, AND RESEARCH.
2	Check this box
3	Number of voting members of the governing body (Part VI, line 1a) ........	3	12
4	Number of independent voting members of the governing body (Part VI, line 1b) .....	4	12
5	Total number of individuals employed in calendar year 2024 (Part V, line 2a) ......	5	53
6	Total number of volunteers (estimate if necessary) .............	6	698
7a	Total unrelated business revenue from Part VIII, column (C), line 12 ........	7a	0
b	Net unrelated business taxable income from Form 990-T, Part I, line 11 .........	7b

		Prior Year	Current Year
8	Contributions and grants (Part VIII, line 1h) .........	8,657,179	9,567,648
9	Program service revenue (Part VIII, line 2g) .........	13,090	15,870
10	Investment income (Part VIII, column (A), lines 3, 4, and 7d ) ....	315,588	548,184
11	Other revenue (Part VIII, column (A), lines 5, 6d, 8c, 9c, 10c, and 11e)		0
12	Total revenue—add lines 8 through 11 (must equal Part VIII, column (A), line 12)	8,985,857	10,131,702
13	Grants and similar amounts paid (Part IX, column (A), lines 1–3 )...	244,104	564,056
14	Benefits paid to or for members (Part IX, column (A), line 4).....		0
15	Salaries, other compensation, employee benefits (Part IX, column (A), lines 5–10)	4,417,931	4,787,765
16a	Professional fundraising fees (Part IX, column (A), line 11e) .....		0
b	Total fundraising expenses (Part IX, column (D), line 25) 1,074,601
17	Other expenses (Part IX, column (A), lines 11a–11d, 11f–24e)....	2,740,219	4,260,977
18	Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25)	7,402,254	9,612,798
19	Revenue less expenses. Subtract line 18 from line 12.......	1,583,603	518,904
		Beginning of Current Year	End of Year
20	Total assets (Part X, line 16).............	17,355,217	18,802,131
21	Total liabilities (Part X, line 26).............	1,438,468	1,362,276
22	Net assets or fund balances. Subtract line 21 from line 20.....	15,916,749	17,439,855

Sign Here

	Signature of officer	Date

	Type or print name and title


4a	(Code: ) (Expenses $ 4,918,677 including grants of $ 318,142 ) (Revenue $ )
	IMMUNE DEFICIENCY FOUNDATION (IDF) PROVIDED EDUCATIONAL PROGRAMS AND SERVICES FOR PATIENTS AND FAMILIES LIVING WITH PRIMARY IMMUNODEFICIENCIES (PI). IN 2024, APPROXIMATELY 30,700 INDIVIDUALS WERE PROVIDED WITH EDUCATION AND SUPPORT THROUGH PUBLICATIONS, WEBINARS, VIDEOS AND PODCAST EPISODES, IDF GET CONNECTED GROUP MEETINGS, TEEN AND YOUNG ADULT ACTIVITIES AND THE IDF PI CONFERENCE. THERE WERE 997 ATTENDEES AT THE PI CONFERENCE (THE FIRST IN-PERSON PI CONFERENCE SINCE 2019), WHERE IDF DEBUTED OUR DOCUMENTARY, "COMPROMISED: LIFE WITHOUT IMMUNITY". IDF PROVIDED MORE THAN 265 HOTEL ROOM AND FLIGHT SCHOLARSHIPS FOR PI CONFERENCE ATTENDEES. MORE THAN 1.3 MILLION IDF WEBSITE SESSIONS WERE ACCESSED FOR INFORMATION, EVENTS, PODCASTS AND SUPPORT AND MORE THAN 625 IMMUNE SYSTEM SELF- ASSESSMENTS WERE SUBMITTED VIA THE WEBSITE.

4b	(Code: ) (Expenses $ 1,143,977 including grants of $ ) (Revenue $ )
	THE PI COMMUNITY TURNS TO IDF FOR INDIVIDUAL ASSISTANCE INCLUDING BUT NOT LIMITED TO ANSWERING INSURANCE QUESTIONS, LOCATING A SPECIALIST IN THEIR AREA, FINDING TREATMENT INFORMATION, AND LEARNING MORE ABOUT THEIR DIAGNOSIS. IDF'S PATIENT ADVOCACY SPECIALISTS PROVIDED ANSWERS TO OVER 1,900 QUESTIONS ON 300 DIFFERENT TOPICS FROM INDIVIDUALS SEEKING EDUCATION, INFORMATION, AND ASSISTANCE. IDF ALSO WORKS AT THE FEDERAL AND STATE LEVELS TO EDUCATE LAWMAKERS AND THE PUBLIC ABOUT ISSUES THAT IMPACT THOSE WHO ARE IMMUNOCOMPROMISED. A STRONG VOLUNTEER GRASSROOTS ADVOCACY NETWORK, INCLUDING HEALTH ACCESS ADVOCATE VOLUNTEERS, INFORM POLICYMAKERS ABOUT ISSUES AFFECTING THOSE WITH PI. IN 2024, 850 INDIVIDUALS MET WITH AND SENT MORE THAN 2,700 LETTERS AND MESSAGES TO LEGISLATORS AND EXECUTIVE OFFICIALS TO ENSURE THAT PEOPLE WITH PI CAN LIVE HEALTHY AND PRODUCTIVE LIVES WITH EXCELLENT TREATMENT OPTIONS AND ACCESS TO THE MOST APPROPRIATE HEALTHCARE AVAILABLE.

4c	(Code: ) (Expenses $ 1,047,079 including grants of $ 245,914 ) (Revenue $ 15,800 )
	TO IMPROVE THE DIAGNOSIS, TREATMENT, AND QUALITY OF LIFE OF THOSE AFFECTED BY PI, IDF HAS SEVERAL INITIATIVES TO PROVIDE RESOURCES DIRECTLY TO THE MEDICAL COMMUNITY, INCLUDING EXHIBITING AT TEN MEDICAL CONFERENCES IN 2024, PROVIDING INFORMATION AND RESOURCES TO HEALTHCARE PROFESSIONALS, AND ADMINISTERING A CONSULTING IMMUNOLOGIST PROGRAM THAT ALLOWS CLINICIANS TO CONSULT WITH AN EXPERT CLINICAL IMMUNOLOGIST ABOUT PATIENT-SPECIFIC QUESTIONS TO OBTAIN VALUABLE DIAGNOSTIC, TREATMENT, AND DISEASE MANAGEMENT INFORMATION. IDF CONDUCTS NATIONAL SURVEYS AND FOCUS GROUPS OF PATIENTS, PHYSICIANS, AND OTHER HEALTHCARE PROFESSIONALS, BUILDING A COLLECTION OF QUANTIFIABLE DATA RELATED TO PRIMARY IMMUNODEFICIENCY. IN 2024, OVER 1,000 INDIVIDUALS PARTICIPATED IN AN IDF PATIENT SURVEY TO GATHER DATA ON IG TREATMENT. THERE WERE FOUR PUBLICATIONS IN 2024 USING USIDNET DATA. BECAUSE MEDICAL RESEARCH IS A PRIORITY, THE IDF RESEARCH GRANT PROGRAM FUNDED FOUR RESEARCH GRANTS FOR PI RELATED RESEARCH IN 2024, TOTALING OVER 159,000.

	(Code: ) (Expenses $ including grants of $ ) (Revenue $ 70 )


4d	Other program services (Describe in Schedule O.)
	(Expenses $ including grants of $ ) (Revenue $ 70 )
4e	Total program service expenses7,109,733

1b	Sub-Total..............
c	Total from continuation sheets to Part VII, Section A..
d	Total (add lines 1b and 1c).........	1,162,689	200,565

(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) SONIA VOHNOUT........................................................................ BOARD SECRET	1.00 .......................	X	X	0	0	0
(19) PETER WANG........................................................................ TRUSTEE	1.00 .......................	X		0	0	0

1a	Federated campaigns..		1a
b	Membership dues..		1b
c	Fundraising events..		1c
d	Related organizations		1d
e	Government grants (contributions)		1e	15,072

f	All other contributions, gifts, grants, and similar amounts not included above		1f	9,552,576

g	Noncash contributions included in lines 1a - 1f:$		1g	25,276

h Total. Add lines 1a-1f.......		9,567,648

		Business Code
2a	SURVEY INCOME	541700	15,800	15,800
b	OTHER INCOME	541900	70	70
c
d
e
f	All other program service revenue.
g	Total. Add lines 2a–2f .....		15,870

3 Investment income (including dividends, interest, and othersimilar amounts) ......			551,898			551,898
4 Income from investment of tax-exempt bond proceeds
5 Royalties...........
			(i) Real	(ii) Personal
6a	Gross rents	6a
b	Less: rental expenses	6b
c	Rental income or (loss)	6c
d	Net rental income or (loss).......
			(i) Securities	(ii) Other
7a	Gross amount from sales of assets other than inventory	7a	10,736,626
b	Less: cost or other basis and sales expenses	7b	10,740,340
c	Gain or (loss)	7c	-3,714
d	Net gain or (loss).........			-3,714			-3,714
8a	Gross income from fundraising events (not including $ of contributions reported on line 1c). See Part IV, line 18 ....
			8a
b	Less: direct expenses ...		8b
c	Net income or (loss) from fundraising events..
9a	Gross income from gaming activities. See Part IV, line 19 ...
			9a
b	Less: direct expenses ...		9b
c	Net income or (loss) from gaming activities..
10a	Gross sales of inventory, less returns and allowances ..
			10a
b	Less: cost of goods sold ..		10b
c	Net income or (loss) from sales of inventory..

Business Code
11a
b
c
d	All other revenue ....
e	Total. Add lines 11a–11d ......
12	Total revenue. See instructions.....			10,131,702	15,870		548,184

1	Grants and other assistance to domestic organizations and domestic governments. See Part IV, line 21 ....	231,936	231,936
2	Grants and other assistance to domestic individuals. See Part IV, line 22 ...........	332,120	332,120
3	Grants and other assistance to foreign organizations, foreign governments, and foreign individuals. See Part IV, lines 15 and 16. .............
4	Benefits paid to or for members .......
5	Compensation of current officers, directors, trustees, and key employees ...........	520,074	262,914	223,047	34,113
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........	3,455,322	2,248,235	698,756	508,331
8	Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) ....	118,438	71,456	31,977	15,005
9	Other employee benefits .......	399,742	240,184	109,785	49,773
10	Payroll taxes ...........	294,189	188,372	63,904	41,913
11	Fees for services (non-employees):
a	Management ......
b	Legal .........	24,983	23,207	632	1,144
c	Accounting ...........	25,340	23,538	641	1,161
d	Lobbying ...........	230,600	230,600
e	Professional fundraising services. See Part IV, line 17
f	Investment management fees ......	71,539		71,539
g	Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O)	493,107	441,651	18,309	33,147
12	Advertising and promotion ....	96,089	84,512	3,146	8,431
13	Office expenses .......	115,003	61,634	36,008	17,361
14	Information technology ......	176,313	163,777	4,461	8,075
15	Royalties ..
16	Occupancy ...........	103,489	69,994	20,194	13,301
17	Travel ............	373,537	324,713	23,902	24,922
18	Payments of travel or entertainment expenses for any federal, state, or local public officials .
19	Conferences, conventions, and meetings ....	1,750,630	1,573,383	21,457	155,790
20	Interest ...........
21	Payments to affiliates .......
22	Depreciation, depletion, and amortization ..	143,768	108,436	20,541	14,791
23	Insurance ...	39,610	29,404	5,585	4,621
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	DUES & SUBSCRIPTIONS	218,329	158,311	35,050	24,968
b	BANK FEES	177,280	115,915	30,124	31,241
c	PRINTING & COPYING	98,013	51,282	312	46,419
d	POSTAGE & SHIPPING	85,957	48,363	1,457	36,137
e	All other expenses	37,390	25,796	7,637	3,957
25	Total functional expenses. Add lines 1 through 24e	9,612,798	7,109,733	1,428,464	1,074,601
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).

1	Cash–non-interest-bearing ........			1,346,127	1	1,395,606
2	Savings and temporary cash investments .........			2,374,122	2	2,942,049
3	Pledges and grants receivable, net ......			79,899	3	83,166
4	Accounts receivable, net .............			18,506	4
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 ......			281,164	9	218,864
10a	Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D	10a	249,760
b	Less: accumulated depreciation	10b	62,522	204,524	10c	187,238
11	Investments—publicly traded securities .			11,924,537	11	13,010,733
12	Investments—other securities. See Part IV, line 11 .....				12
13	Investments—program-related. See Part IV, line 11 ..				13
14	Intangible assets ...............			214,663	14	114,192
15	Other assets. See Part IV, line 11 ...........			911,675	15	850,283
16	Total assets. Add lines 1 through 15 (must equal line 33)...			17,355,217	16	18,802,131

17	Accounts payable and accrued expenses .....	308,172	17	298,983
18	Grants payable ...		18
19	Deferred revenue .........	26,695	19
20	Tax-exempt bond liabilities .........		20
21	Escrow or custodial account liability. Complete Part IV of Schedule D		21
22	Loans and other payables to any current or former officer, director, trustee, key employee, creator or founder, substantial contributor, or 35% controlled entity or family member of any of these persons .........
			22
23	Secured mortgages and notes payable to unrelated third parties ..		23
24	Unsecured notes and loans payable to unrelated third parties ..		24
25	Other liabilities (including federal income tax, payables to related third parties, and other liabilities not included on lines 17 - 24). Complete Part X of Schedule D	1,103,601	25	1,063,293
26	Total liabilities. Add lines 17 through 25..	1,438,468	26	1,362,276

	Organizations that follow FASB ASC 958, check here and complete lines 27, 28, 32, and 33.
27	Net assets without donor restrictions ..........	14,001,757	27	16,554,151
28	Net assets with donor restrictions ...........	1,914,992	28	885,704
	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 ...........	15,916,749	32	17,439,855
33	Total liabilities and net assets/fund balances ........	17,355,217	33	18,802,131