Nonprofit · EIN 43-1509560
CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION
Tax-exempt · SAINT LOUIS, MO 63105
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $165,157 | $5,974 | $159,183 | $771,183 | $0 | $771,183 |
| December 31, 2024 | 990-PF | $207,543 | $5,694 | $201,849 | $611,792 | $0 | $611,792 |
| December 31, 2023 | 990-PF | $181,006 | $202,844 | -$21,838 | $410,412 | $0 | $410,412 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $20,192
- Net gain from sales of assets
- $144,928
- Other income
- $37
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $4,920
- Disbursements for charitable purposes
- $2,460
- Excise tax on investment income
- $2,259
Balance sheet and other
- Total assets, start of year
- $611,792
- Total assets, end of year
- $771,183
- Total liabilities, end of year
- $0
- Net assets, end of year
- $771,183
- Fair market value of assets
- $1,118,974
- Qualifying distributions
- $2,460
- Net investment income
- $165,157
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| UMB BANK N A 1010 GRAND, KANSAS CITY, MO 64106 | TRUSTEE | 1 | $4,920 |
| MARGARET M JENKS 750 S HANLEY 54, ST LOUIS, MO 63105 | TRUSTEE | 0 | $0 |
| MARGARET JENKS HECKMAN PO BOX 1252, HOBE SOUND, FL 33475 | TRUSTEE | 0 | $0 |
| SAMUEL PUTNAM WYATT 495 QUAKER STREET, LINCOLN, VT 05443 | TRUSTEE | 0 | $0 |
| SARAH JENKS SHORT 409 HARLAN CIRCLE, RICHMOND, VA 23226 | TRUSTEE | 0 | $0 |
| MORGAN AMES COGGIN 5 PINE VALLEY DRIVE, ST LOUIS, MO 63124 | TRUSTEE | 0 | $0 |
990-PF for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| UMB BANK N A 1010 GRAND, KANSAS CITY, MO 64106 | TRUSTEE | 1 | $3,579 |
| MARGARET M JENKS 750 S HANLEY 54, ST LOUIS, MO 63105 | TRUSTEE | 0 | $0 |
| MARGARET JENKS HECKMAN PO BOX 1252, HOBE SOUND, FL 33475 | TRUSTEE | 0 | $0 |
| SAMUEL PUTNAM WYATT 495 QUAKER STREET, LINCOLN, VT 05443 | TRUSTEE | 0 | $0 |
| SARAH JENKS SHORT 409 HARLAN CIRCLE, RICHMOND, VA 23226 | TRUSTEE | 0 | $0 |
| MORGAN AMES COGGIN 5 PINE VALLEY DRIVE, ST LOUIS, MO 63124 | TRUSTEE | 0 | $0 |
990-PF for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| UMB BANK N A 1010 GRAND, KANSAS CITY, MO 64106 | TRUSTEE | 1 | $2,842 |
| MARGARET M JENKS 750 S HANLEY 54, ST LOUIS, MO 63105 | TRUSTEE | 0 | $0 |
| MARGARET JENKS HECKMAN PO BOX 1252, HOBE SOUND, FL 33475 | TRUSTEE | 0 | $0 |
| SAMUEL PUTNAM WYATT 495 QUAKER STREET, LINCOLN, VT 05443 | TRUSTEE | 0 | $0 |
| SARAH JENKS SHORT 409 HARLAN CIRCLE, RICHMOND, VA 23226 | TRUSTEE | 0 | $0 |
| MORGAN AMES COGGIN 5 PINE VALLEY DRIVE, ST LOUIS, MO 63124 | TRUSTEE | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 750 S HANLEY RD APT 54, SAINT LOUIS, MO 63105-2695
- Signed the 990-PF
- SAMUEL PUTNAM WYATT, TRUSTEE
- Phone
- (816) 860-7711
- Return prepared by
- ERNST & YOUNG US 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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 43-1509560
- 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
- 1989
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $771,183
- Income (IRS master file)
- $387,053
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $165,157 | $5,974 | $771,183 | IRS |
| 990-PF | December 2024 | $207,543 | $5,694 | $611,792 | IRS |
| 990-PF | December 2023 | $181,006 | $202,844 | $410,412 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 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 43-1509560).
Questions about CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION
- What is the EIN of CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION?
- The employer identification number (EIN) of CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION is 43-1509560.
- Is CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CONSTANCE A AND HARRY B MATHEWS JR 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 CONSTANCE A AND HARRY B MATHEWS JR 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 CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 6 people; 1 received compensation from the organization, the highest $4,920 (UMB BANK N A, TRUSTEE).
- How much revenue does CONSTANCE A AND HARRY B MATHEWS JR FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $165,157, expenses of $5,974 and total assets of $771,183 at year end.
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