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Nonprofit · EIN 27-0577885

MARY K OXLEY FOUNDATION

Tax-exempt · TULSA, OK 74119

Financials

$2.5M$1.8M2023$3.1M$1.2M2024$2.8M$1.3M2025
Revenue Expenses · by fiscal year end
Financials of MARY K OXLEY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$2,751,164$1,313,389$1,437,775$24,146,047$680$24,145,367
December 31, 2024990-PF$3,057,861$1,235,747$1,822,114$22,708,828$1,236$22,707,592
December 31, 2023990-PF$2,496,290$1,780,795$715,495$20,887,990$0$20,887,990
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Dividends
$794,108
Net gain from sales of assets
$1,957,930
Other income
-$874

Expenses

Grants and similar amounts paid
$614,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$809,656
Excise tax on investment income
$31,680

Balance sheet and other

Total assets, start of year
$22,708,828
Total assets, end of year
$24,146,047
Total liabilities, end of year
$680
Net assets, end of year
$24,145,367
Fair market value of assets
$32,627,093
Qualifying distributions
$809,656
Net investment income
$2,751,164

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
JOHN C OXLEY
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE1$0
DEBBIE OXLEY
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE1$0
THOMAS E RAINS
1437 S BOULDER STE 770, TULSA, OK 74119
CFO5$0
R H HARBAUGH
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE5$0
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
JOHN C OXLEY
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE1$0
DEBBIE OXLEY
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE1$0
THOMAS E RAINS
1437 S BOULDER STE 770, TULSA, OK 74119
CFO5$0
R H HARBAUGH
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE5$0
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
JOHN C OXLEY
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE1$0
DEBBIE OXLEY
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE1$0
THOMAS E RAINS
1437 S BOULDER STE 770, TULSA, OK 74119
CFO5$0
R H HARBAUGH
1437 S BOULDER STE 770, TULSA, OK 74119
TRUSTEE5$0

Address and contacts

Address (IRS master file)
1437 S BOULDER AVE STE 770, TULSA, OK 74119-3642
In care of
% CONNER & WINTERS LLP
Signed the 990-PF
THOMAS E RAINS, CFO
Phone
(918) 584-1978
Return prepared by
HOGANTAYLOR LLP

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
27-0577885
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
2009
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$24,146,047
Income (IRS master file)
$14,783,376

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$2,751,164$1,313,389$24,146,047XML
990-TDecember 2025–––IRS
990-PFDecember 2024$3,057,861$1,235,747$22,708,828XML
990-TDecember 2024–––IRS
990-PFDecember 2023$2,496,290$1,780,795$20,887,990XML
990-TDecember 2023–––IRS
990-PFDecember 2022–––IRS
990-TDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-TDecember 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 27-0577885).

Questions about MARY K OXLEY FOUNDATION

What is the EIN of MARY K OXLEY FOUNDATION?
The employer identification number (EIN) of MARY K OXLEY FOUNDATION is 27-0577885.
Is MARY K OXLEY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
Are donations to MARY K OXLEY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MARY K OXLEY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MARY K OXLEY 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 MARY K OXLEY 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 MARY K OXLEY FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does MARY K OXLEY FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $2,751,164, expenses of $1,313,389 and total assets of $24,146,047 at year end.

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