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Nonprofit · EIN 22-6028476

MERCK COMPANY FOUNDATION

Tax-exempt · RAHWAY, NJ 07065

Financials

$17.3M$26.1M2023$45.4M$26.4M2024$33.8M$30.1M2025
Revenue Expenses · by fiscal year end
Financials of MERCK COMPANY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$33,821,748$30,083,750$3,737,998$337,872,981$6,102,211$331,770,770
December 31, 2024990-PF$45,354,708$26,363,826$18,990,882$328,259,324$226,554$328,032,770
December 31, 2023990-PF$17,266,335$26,068,342-$8,802,007$316,231,990$7,190,103$309,041,887
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$1,167,985
Interest
$5,510,982
Other income
$27,142,781

Expenses

Grants and similar amounts paid
$29,088,762
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Disbursements for charitable purposes
$29,761,191
Excise tax on investment income
$241,362

Balance sheet and other

Total assets, start of year
$328,259,324
Total assets, end of year
$337,872,981
Total liabilities, end of year
$6,102,211
Net assets, end of year
$331,770,770
Fair market value of assets
$337,872,981
Qualifying distributions
$29,761,191
Net investment income
$17,690,546

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Zachary Jennifer
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Chairperson of the Board0$0
Grez Kelly E W
126 E Lincoln Avenue, P O Box 2000, Rahway, MT 070650900
Secretary0$0
Allison Goldberg
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
President0$0
Dillane Timothy
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Treasurer0$0
Ettelman Karen
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Secretary0$0
Filderman Jon
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Vice President0$0
Gary Henningsen
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Vice President Tax0$0
Hardy Leslie
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Executive Vice President0$0
Melissa Leonard
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Treasurer0$0
Swartwood Robert
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Treasurer0$0
Wildasin Anthony
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Secretary0$0
Walker Mark
126 E Lincoln Avenue, Rahway, NJ 07065
Assistant Treasurer0$0
990-PF for the year ended December 31, 2024: 13 people
NameTitleHours / weekCompensation
Zachary Jennifer
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Chairperson of the Board0$0
Grez Kelly E W
126 E Lincoln Avenue, P O Box 2000, Rahway, MT 070650900
Secretary0$0
Allison Goldberg
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
President0$0
Dillane Timothy
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Treasurer0$0
Ettelman Karen
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Secretary0$0
Filderman Jon
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Vice President0$0
Gary Henningsen
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Vice President Tax0$0
Hardy Leslie
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Executive Vice President0$0
Lee Juanita
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Treasurer0$0
Rosenberg Aaron
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Treasurer0$0
Swartwood Robert
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Treasurer0$0
Wildasin Anthony
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Secretary0$0
Carmen Villar
126 E Lincoln Avenue, Rahway, NJ 07065
Chief Executive Offi0$0
990-PF for the year ended December 31, 2023: 13 people
NameTitleHours / weekCompensation
Zachary Jennifer
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Chairperson of the Board0$0
Grez Kelly E W
126 E Lincoln Avenue, P O Box 2000, Rahway, MT 070650900
Secretary0$0
Allison Goldberg
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
President0$0
Dillane Timothy
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Treasurer0$0
Ettelman Karen
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Secretary0$0
Filderman Jon
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Vice President0$0
Gary Henningsen
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Vice President Tax0$0
Hardy Leslie
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Executive Vice President0$0
Lee Juanita
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Treasurer0$0
Rosenberg Aaron
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Treasurer0$0
Swartwood Robert
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Treasurer0$0
Wildasin Anthony
126 E Lincoln Avenue, P O Box 2000, Rahway, NJ 070650900
Assistant Secretary0$0
Carmen Villar
126 E Lincoln Avenue, Rahway, NJ 07065
Chief Executive Offi0$0

Address and contacts

Address (IRS master file)
126 E LINCOLN AVE, RAHWAY, NJ 07065-4607
In care of
% GARY HENNINGSEN
Signed the 990-PF
Gary, Sr. Vice President Tax
Phone
(732) 594-4000

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
22-6028476
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
1959
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$337,872,981
Income (IRS master file)
$33,821,748

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$33,821,748$30,083,750$337,872,981XML
990-PFDecember 2024$45,354,708$26,363,826$328,259,324IRS
990-PFDecember 2023$17,266,335$26,068,342$316,231,990XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 22-6028476).

Questions about MERCK COMPANY FOUNDATION

What is the EIN of MERCK COMPANY FOUNDATION?
The employer identification number (EIN) of MERCK COMPANY FOUNDATION is 22-6028476.
Is MERCK COMPANY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1959.
Are donations to MERCK COMPANY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MERCK COMPANY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MERCK COMPANY FOUNDATION due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MERCK COMPANY FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of MERCK COMPANY FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 12 people; 0 received compensation from the organization.
How much revenue does MERCK COMPANY FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $33,821,748, expenses of $30,083,750 and total assets of $337,872,981 at year end.

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