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Form 990-PFTax year 2024EIN 73-0609599

The William K Warren Foundation

A private foundation in Tulsa, OK. Its return for tax year 2024 lists 1 grant and $22.2 million paid in grants.

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Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Accepts applications

The return gives an application contact and rules, as below.

Contact
Tom Cooper
PO Box 470372
Tulsa, OK 741470372
(918) 492-8100
Form and materials
See website for application
Deadlines
N/A
Restrictions
Preference to local catholic health care facilities

Assets and giving by year

5 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $22,185,143

    Grants listed
    1
    Assets, end of year
    $331,363,796

  • Tax year 2023

    $21,283,613

    Grants listed
    1
    Assets, end of year
    $324,945,641

  • Tax year 2022

    $21,106,890

    Grants listed
    1
    Assets, end of year
    $326,242,777

  • Tax year 2021

    $17,306,916

    Grants listed
    In an attachment
    Assets, end of year
    $318,898,600

  • Tax year 2020

    $14,186,718

    Grants listed
    In an attachment
    Assets, end of year
    $303,630,989

Grants paid in 2024

1 grant, largest first

As listed on the return.

  1. Statement 29ATulsa, OK

    Statement 29a

    $22,185,143

Approved for future payment

1 grant

Approved in 2024 and not yet paid.

  1. This return lists its grants in an attachment that is not in the IRS e-file: $0 in all.

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. Oklahoma1 grant $22,185,143

Officers, directors and trustees

14 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • W K WARREN jrDIRECTOR & CHAIRMAN EMERITUS Hours 5Pay $0
  • W R LissauDIR & CHAIRMAN OF BD(END 5/24) Hours 10Pay $0
  • S K WarrenDIRECTOR & SR VICE PRESIDENT Hours 40Pay $214,130
  • J-K C WarrenCEO & CHAIRMAN (BEG 5/24) Hours 40Pay $761,000
  • T CooperPRESIDENT & DIRECTOR(BEG 5/24) Hours 40Pay $758,886
  • D AffeldtASSISTANT TREASURER Hours 40Pay $191,240
  • F W Murphy IIIDIRECTOR Hours 0.5Pay $500
  • W W O'ConnorDIRECTOR Hours 0.5Pay $500
  • M E YoungDIRECTOR Hours 0.5Pay $0
  • J AdamsSECRETARY Hours 40Pay $110,700
  • D McManusASSISTANT SECRETARY Hours 40Pay $88,660
  • J PierceTREASURER Hours 40Pay $215,850
  • A N WarrenDIRECTOR Hours 0.5Pay $0
  • M S BlankenshipDIRECTOR Hours 0.5Pay $0

The return

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