Nonprofit · EIN 27-1831894
WALDEMAR J KLASING PRIVATE 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 | $547,291 | $492,808 | $54,483 | $4,926,237 | $0 | $4,926,237 |
| December 31, 2024 | 990-PF | $394,797 | $87,791 | $307,006 | $4,645,877 | $0 | $4,645,877 |
| December 31, 2023 | 990-PF | $419,728 | $244,906 | $174,822 | $4,048,026 | $0 | $4,048,026 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $85,457
- Net gain from sales of assets
- $461,834
Expenses
- Grants and similar amounts paid
- $410,000
- Compensation of officers, directors and key employees
- $32,900
- Disbursements for charitable purposes
- $434,675
- Excise tax on investment income
- $7,493
Balance sheet and other
- Total assets, start of year
- $4,645,877
- Total assets, end of year
- $4,926,237
- Total liabilities, end of year
- $0
- Net assets, end of year
- $4,926,237
- Fair market value of assets
- $4,926,237
- Qualifying distributions
- $434,675
- Net investment income
- $547,291
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 |
|---|---|---|---|
| KATHRYN WOLFF 292 RIDGE TRAIL COURT, CHESTERFIELD, MO 63017 | PRESIDENT | 2 | $14,000 |
| MATTHEW A GOBEN 724 FAIRVIEW AVE, WEBSTER GROVES, MO 63119 | VICE PRESIDENT | 1 | $7,200 |
| RYAN CLARK 1340 BERRY ROAD, ROCK HILL, MO 63122 | SECRETARY | 1 | $7,200 |
| SCOTT WOLFF 292 RIDGE TRAIL COURT, CHESTERFIELD, MO 63017 | DIRECTOR | 1 | $4,500 |
990-PF for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHRYN WOLFF 292 RIDGE TRAIL COURT, CHESTERFIELD, MO 63017 | PRESIDENT | 2 | $14,000 |
| MATTHEW A GOBEN 724 FAIRVIEW AVE, WEBSTER GROVES, MO 63119 | VICE PRESIDENT | 1 | $7,200 |
| RYAN CLARK 1340 BERRY ROAD, ROCK HILL, MO 63122 | SECRETARY | 1 | $7,200 |
| SCOTT WOLFF 292 RIDGE TRAIL COURT, CHESTERFIELD, MO 63017 | DIRECTOR | 1 | $4,500 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHRYN WOLFF 292 RIDGE TRAIL COURT, CHESTERFIELD, MO 63017 | PRESIDENT | 2 | $14,000 |
| MATTHEW A GOBEN 724 FAIRVIEW AVE, WEBSTER GROVES, MO 63119 | VICE PRESIDENT | 1 | $7,200 |
| RYAN CLARK 1340 BERRY ROAD, ROCK HILL, MO 63122 | SECRETARY | 1 | $7,200 |
| SCOTT WOLFF 292 RIDGE TRAIL COURT, CHESTERFIELD, MO 63017 | DIRECTOR | 1 | $4,500 |
Address and contacts
- Address (IRS master file)
- 1 N BRENTWOOD BLVD STE 930, SAINT LOUIS, MO 63105-3931
- In care of
- % ANDREW J WEINHAUS
- Signed the 990-PF
- KATHRYN WOLFF, PRESIDENT
- Phone
- (314) 726-2411
- Return prepared by
- ANDERS MINKLER HUBER & HELM 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
- 27-1831894
- 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
- 2010
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $4,926,237
- Income (IRS master file)
- $1,653,972
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $547,291 | $492,808 | $4,926,237 | XML |
| 990-PF | December 2024 | $394,797 | $87,791 | $4,645,877 | XML |
| 990-PF | December 2023 | $419,728 | $244,906 | $4,048,026 | 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 27-1831894).
Questions about WALDEMAR J KLASING PRIVATE FOUNDATION
- What is the EIN of WALDEMAR J KLASING PRIVATE FOUNDATION?
- The employer identification number (EIN) of WALDEMAR J KLASING PRIVATE FOUNDATION is 27-1831894.
- Is WALDEMAR J KLASING PRIVATE FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
- Are donations to WALDEMAR J KLASING PRIVATE FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does WALDEMAR J KLASING PRIVATE FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of WALDEMAR J KLASING PRIVATE 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 WALDEMAR J KLASING PRIVATE 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 WALDEMAR J KLASING PRIVATE FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 4 people; 4 received compensation from the organization, the highest $14,000 (KATHRYN WOLFF, PRESIDENT).
- How much revenue does WALDEMAR J KLASING PRIVATE FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $547,291, expenses of $492,808 and total assets of $4,926,237 at year end.
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