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Nonprofit · EIN 46-1064620

ENGINE ADVOCACY

Tax-exempt · WASHINGTON, DC 20003

Financials

$1.4M$1.2M2023$812K$975K2024$1.2M$1.2M2025
Revenue Expenses · by fiscal year end
Financials of ENGINE ADVOCACY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$1,192,200$1,171,875$20,325$1,014,999-$4,450$1,019,449
December 31, 2024990$812,360$974,984-$162,624$999,124$0$999,124
December 31, 2023990$1,376,233$1,226,594$149,639$1,161,748$0$1,161,748
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$1,192,200
Program service revenue
$0
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$383,702
Compensation of officers, directors and key employees
$132,000
Other salaries and wages
$274,262
Salaries, compensation and benefits (total)
$474,947
Professional fundraising fees
$0
Legal fees
$78,027
Accounting fees
$17,300
Occupancy
$38,307
Travel
$27,958
Program services (functional)
$943,822
Management and general (functional)
$199,050
Fundraising (functional)
$29,003

Balance sheet and other

Total assets, start of year
$999,124
Total assets, end of year
$1,014,999
Total liabilities, end of year
-$4,450
Net assets, end of year
$1,019,449
Gross receipts
$1,192,200
Employees
9
Year formed
2012
State of legal domicile
DC

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 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensationFrom related orgs
KATE TUMMARELLOExecutive Director
Key employee
24$132,000$88,000
NATHAN LINDFORSPolicy Director
Highest-paid employee
39$132,087$5,503
JULIE SAMUELSDirectorPresident
Trustee or director, Officer
1$0$0
DEREK PARHAMDirector
Trustee or director
1$0$0
MICHAEL PETRICONEDirectorSecretary
Trustee or director, Officer
1$0$0
HANNAH POTEATDirectorTreasurer
Trustee or director, Officer
1$0$0
JOSH MENDELSOHNDirector
Trustee or director
1$0$0
990 for the year ended December 31, 2024: 8 people
NameTitleHours / weekCompensationFrom related orgsOther / benefits
KATE TUMMARELLOExecutive Director
Key employee
16$88,000$132,000$15,615
NATHAN LINDFORSPolicy Director
Highest-paid employee
39$125,817$3,891$16,926
JENNIFER WEINHARTSenior Policy Advisor
Highest-paid employee
36$110,660$12,295$8,557
JULIE SAMUELSDirectorPresident
Trustee or director, Officer
1$0$0$0
DEREK PARHAMDirectorTreasurer
Trustee or director, Officer
1$0$0$0
MICHAEL PETRICONEDirectorSecretary
Trustee or director, Officer
1$0$0$0
HANNAH POTEATDirectorTreasurer
Trustee or director, Officer
1$0$0$0
JOSH MENDELSOHNDirector
Trustee or director
1$0$0$0
990 for the year ended December 31, 2023: 8 people
NameTitleHours / weekCompensationFrom related orgs
KATE TUMMARELLOExecutive Director
Key employee
10$63,700$181,300
JENNIFER WEINHARTSenior Policy Advisor
Highest-paid employee
36$112,840$11,160
NATHAN LINDFORSPolicy Director
Highest-paid employee
39$113,207$3,501
JULIE SAMUELSDirectorPresident
Trustee or director, Officer
0.5$0$0
DEREK PARHAMDirectorTreasurer
Trustee or director, Officer
0.5$0$0
MICHAEL PETRICONEDirector
Trustee or director
0.5$0$0
HANNAH POTEATDirector
Trustee or director
0.5$0$0
JOSH MENDELSOHNDirector
Trustee or director
0.5$0$0

Address and contacts

Address (IRS master file)
700 PENNSYLVANIA AVE SE THE YARD ST, WASHINGTON, DC 20003-0000
In care of
% KATHERINE TUMMARELLO
Principal officer (990 for 2025)
Katherine Tummarello, 700 Pennsylvania Ave SE Ste The Yar, Washington, DC 20003
Signed the 990
KATHERINE TUMMARELLO, Executive Director
Phone
(202) 417-7031
Website
engine.is
990-N for 2012 filed under this EIN
Most likely by a chapter, club or affiliate (it says receipts are normally $50,000 or less). Officer: Josh Mendelsohn, 414 Brannan St, San francisco CA 94107. Mailing address: 414 Brannan St, San francisco CA 94107.
Return prepared by
Howard Sckolnik CPA

Mission

Engine supports the growth of technology entrepreneurship through advocacy on local and national issues.

990 for the year ended December 31, 2025

Program accomplishments

  • Engine Advocacy worked with a network of thousands of startups across the country to advocate on key policy issues impacting startups ability to launch and grow, including rules impacting who can invest in early stage startups, balanced intellectual property and intermediary liability frameworks, and consistent obligations around user privacy and artificial intelligence. Specific projects include advocating for the renewal of federal research and innovation grant programs, providing feedback on federal limitations around early investors, and organizing meetings between startups and their representatives in Congress to advocate for a national governing framework for artificial intelligence.
    Expenses $943,822 · grants $383,702

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
46-1064620
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
2013
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,014,999
Income (IRS master file)
$1,192,200

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$1,192,200$1,171,875$1,014,999XML
990December 2024$812,360$974,984$999,124XML
990December 2023$1,376,233$1,226,594$1,161,748XML
990December 2022$1,120,780$1,084,750$1,013,659IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS
990-N for 2012
Officer: Josh Mendelsohn
Filed under this EIN, most likely by a chapter or affiliate
December 31, 2012≤ $50,000 receipts––e-Postcard

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 46-1064620).

Questions about ENGINE ADVOCACY

What is the EIN of ENGINE ADVOCACY?
The employer identification number (EIN) of ENGINE ADVOCACY is 46-1064620.
Is ENGINE ADVOCACY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 2013.
Are donations to ENGINE ADVOCACY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ENGINE ADVOCACY file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of ENGINE ADVOCACY 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 ENGINE ADVOCACY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of ENGINE ADVOCACY?
The 990 for the year ended December 31, 2025 names Katherine Tummarello.
Who are the officers and directors of ENGINE ADVOCACY?
The 990 for the year ended December 31, 2025 lists 7 people; 2 received compensation from the organization, the highest $132,000 (KATE TUMMARELLO, Executive Director).
How much revenue does ENGINE ADVOCACY have?
On its 990 for the year ended December 31, 2025 it reported revenue of $1,192,200, expenses of $1,171,875 and total assets of $1,014,999 at year end.

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