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Nonprofit · EIN 27-6977311

THIRTEEN FOUNDATION

Also known as FARRIS C WILKS TTEE

Tax-exempt · CISCO, TX 76437

Financials

$2M$7.2M2023$6.5M$3.9M2024$2.2M$3.9M2025
Revenue Expenses · by fiscal year end
Financials of THIRTEEN FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$2,217,511$3,881,573-$1,664,062$46,015,488$3,179$46,012,309
December 31, 2024990-PF$6,457,416$3,913,489$2,543,927$47,955,442$0$47,955,442
December 31, 2023990-PF$2,036,182$7,197,024-$5,160,842$45,639,954$0$45,639,954
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$40,000
Dividends
$636,881
Interest
$656,420
Net gain from sales of assets
$766,703
Other income
$117,507

Expenses

Grants and similar amounts paid
$3,646,354
Salaries, compensation and benefits (total)
$106,482
Disbursements for charitable purposes
$3,925,424
Excise tax on investment income
$28,626

Balance sheet and other

Total assets, start of year
$47,955,442
Total assets, end of year
$46,015,488
Total liabilities, end of year
$3,179
Net assets, end of year
$46,012,309
Fair market value of assets
$52,730,259
Qualifying distributions
$3,925,424
Net investment income
$2,177,309

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
Farris Wilks
17010 Interstate 20, Cisco, TX 76437
Trustee5$0
JoAnn Wilks
17010 Interstate 20, Cisco, TX 76437
Trustee5$0
990-PF for the year ended December 31, 2024: 2 people
NameTitleHours / weekCompensation
Farris Wilks
17010 Interstate 20, Cisco, TX 76437
Trustee5$0
JoAnn Wilks
17010 Interstate 20, Cisco, TX 76437
Trustee5$0
990-PF for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensation
Farris Wilks Trustee
17010 Interstate 20, Cisco, TX 76437
Trustee5$0
JoAnn Wilks Trustee
17010 Interstate 20, Cisco, TX 76437
Trustee5$0

Address and contacts

Address (IRS master file)
17010 INTERSTATE 20, CISCO, TX 76437-6471
In care of
% FARRIS WILKS
Signed the 990-PF
FARRIS WILKS, Officer
Phone
(817) 850-3600
Return prepared by
Victor K Munson CPA

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
27-6977311
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
2011
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$46,015,488
Income (IRS master file)
$21,470,402

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$2,217,511$3,881,573$46,015,488XML
990-PFDecember 2024$6,457,416$3,913,489$47,955,442IRS
990-PFDecember 2023$2,036,182$7,197,024$45,639,954XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2018–––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 THIRTEEN FOUNDATION

What is the EIN of THIRTEEN FOUNDATION?
The employer identification number (EIN) of THIRTEEN FOUNDATION is 27-6977311.
Is THIRTEEN FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
Are donations to THIRTEEN FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does THIRTEEN FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of THIRTEEN 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 THIRTEEN 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 THIRTEEN FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does THIRTEEN FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $2,217,511, expenses of $3,881,573 and total assets of $46,015,488 at year end.

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