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Nonprofit · EIN 37-2145886

THINC FOUNDATION

Tax-exempt · SAN DIEGO, CA 92130

Financials

$296K$274K2025
Revenue Expenses · by fiscal year end
Financials of THINC FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$295,666$273,880$21,786$73,211$0$73,211
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$295,666
Program service revenue
$0
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$9,003
Accounting fees
$12,099
Program services (functional)
$213,629
Management and general (functional)
$36,801
Fundraising (functional)
$23,450

Balance sheet and other

Total assets, start of year
$51,425
Total assets, end of year
$73,211
Total liabilities, end of year
$0
Net assets, end of year
$73,211
Net assets without donor restrictions
$73,211
Gross receipts
$295,666
Employees
0
Volunteers
0
Year formed
2024
State of legal domicile
CA

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 / weekCompensation
MITCHELL SIEGLERCHIEF EXECUTIVE OFFICER
Trustee or director, Officer
25$0
ELIZABETH SIEGLERCHIEF FINANCIAL OFFICER
Trustee or director, Officer
10$0
WAYNE HARRISSECRETARY
Trustee or director, Officer
5$0

Address and contacts

Address (IRS master file)
12830 EL CAMINO REAL STE 350, SAN DIEGO, CA 92130-2977
Principal officer (990 for 2025)
MITCHELL SIEGLER, 12830 EL CAMINO REAL SUITE 350, SAN DIEGO, CA 92130
Signed the 990
MITCHELL SIEGLER, CHIEF EXECUTIVE OFFICER
Phone
(858) 333-6661
Return prepared by
EISNER ADVISORY GROUP LLC

Mission

THE FOUNDATION IS ORGANIZED AND OPERATED EXCLUSIVELY FOR SECTION 501(C)(3) CHARITABLE AND EDUCATIONAL PURPOSES, INCLUDING EDUCATING THE GENERAL PUBLIC THROUGH COMMUNICATION AND INFORMATIONAL RESOURCES ABOUT THE CHALLENGES AND CONCERNS RAISED BY PARENTS, EDUCATORS, AND POLICYMAKERS REGARDING THE LIBERATED ETHNIC STUDIES CURRICULUM MOVEMENT IN K-12 SCHOOLS; BRINGING TRANSPARENCY AND HONESTY INTO EDUCATION; AND REMOVING HARMFUL AND POLITICAL IDEOLOGIES FROM EDUCATION.

990 for the year ended December 31, 2025

Program accomplishments

  • DURING THE YEAR, THE ORGANIZATION ADVANCED ITS EDUCATIONAL PURPOSE BY:1. PRODUCING AND DISSEMINATING PUBLIC-FACING INFORMATIONAL RESOURCES ON K12 CURRICULUM TOPICS FORPARENTS, EDUCATORS, AND POLICYMAKERS;2. CONDUCTING MEDIA AND PUBLIC EDUCATION OUTREACH TO BROADEN ACCESS TO NONPARTISAN, EVIDENCE-BASEDMATERIALS; AND3. ENGAGING RESEARCH AND CONSULTING SUPPORT TO ENHANCE PROGRAM CONTENT QUALITY AND DISTRIBUTION.
    Expenses $213,629

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-EZ on file
2023December 31, 2023May 15, 2024No data

IRS record

EIN
37-2145886
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2024
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B01)
Assets (IRS master file)
$73,211
Income (IRS master file)
$295,666

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025–––IRS
990-EZDecember 2024–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about THINC FOUNDATION

What is the EIN of THINC FOUNDATION?
The employer identification number (EIN) of THINC FOUNDATION is 37-2145886.
Is THINC FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to THINC FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THINC FOUNDATION 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 THINC 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 THINC FOUNDATION 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 THINC FOUNDATION?
The 990 for the year ended December 31, 2025 names MITCHELL SIEGLER.
Who are the officers and directors of THINC FOUNDATION?
The 990 for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does THINC FOUNDATION have?
On its 990 for the year ended December 31, 2025 it reported revenue of $295,666, expenses of $273,880 and total assets of $73,211 at year end.

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