Nonprofit · EIN 46-0460142
CLARKSON FAMILY FOUNDATION
Tax-exempt · BELLE FOURCHE, SD 57717
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $337,716 | $229,021 | $108,695 | $3,662,549 | $0 | $3,662,549 |
| December 31, 2024 | 990-PF | $262,144 | $212,028 | $50,116 | $3,553,854 | $0 | $3,553,854 |
| December 31, 2023 | 990-PF | $114,290 | $189,759 | -$75,469 | $3,503,738 | $0 | $3,503,738 |
| December 31, 2021 | 990-PF | $414,287 | $235,861 | $178,426 | $3,862,112 | $0 | $3,862,112 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $105,400
- Interest
- $5,404
- Net gain from sales of assets
- $226,912
Expenses
- Grants and similar amounts paid
- $187,000
- Compensation of officers, directors and key employees
- $35,837
- Disbursements for charitable purposes
- $219,417
- Excise tax on investment income
- $4,617
Balance sheet and other
- Total assets, start of year
- $3,553,854
- Total assets, end of year
- $3,662,549
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,662,549
- Fair market value of assets
- $4,381,810
- Qualifying distributions
- $219,417
- Net investment income
- $337,532
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 |
|---|---|---|---|
| PIONEER BANK TRUST PO BOX 729, BELLE FOURCHE, SD 57717 | TRUSTEE | 20 | $35,837 |
| THAD MILTON BUCHHOLZ PO BOX 881, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| MARY BUCHHOLZ 16249 MDU LOOP, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| FERMAN M CLARKSON PO BOX 551, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| KAY MUSIL 1032 E NICOLET AVE, PHOENIX, AZ 85020 | MEMBER | 1 | $0 |
990-PF for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PIONEER BANK TRUST PO BOX 729, BELLE FOURCHE, SD 57717 | TRUSTEE | 20 | $33,952 |
| THAD MILTON BUCHHOLZ PO BOX 881, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| MARY BUCHHOLZ 16249 MDU LOOP, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| FERMAN M CLARKSON PO BOX 551, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| KAY MUSIL 1032 E NICOLET AVE, PHOENIX, AZ 85020 | MEMBER | 1 | $0 |
990-PF for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PIONEER BANK TRUST PO BOX 729, BELLE FOURCHE, SD 57717 | TRUSTEE | 20 | $31,124 |
| FERMAN M CLARKSON PO BOX 551, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| THAD MILTON BUCHHOLZ PO BOX 881, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
| KAY MUSIL 1032 E NICOLET AVE, PHOENIX, AZ 85020 | MEMBER | 1 | $0 |
| MARY BUCHHOLZ 16249 MDU LOOP, BELLE FOURCHE, SD 57717 | MEMBER | 1 | $0 |
990-PF for the year ended December 31, 2021: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PIONEER BANK TRUST PO BOX 729, BELLE FOURCHE, SD 577170729 | TRUSTEE | 20 | $37,040 |
| THAD MILTON BUCHOLZ PO BOX 881, BELLE FOURCHE, SD 57717 | DIRECTOR | 1 | $0 |
| KAY MUSIL 1032 E NICHOLET AVE, PHOENIX, AZ 85020 | DIRECTOR | 1 | $0 |
| FERMAN M CLARKSON PO BOX 551, BELLE FOURCHE, SD 57717 | PRESIDENT/DIRECTOR | 1 | $0 |
| MARY BUCHHOLZ 16249 MDU LOOP, BELLE FOURCHE, SD 57717 | DIRECTOR | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 729, BELLE FOURCHE, SD 57717-0729
- In care of
- % PIONEER BANK & TRUST
- Signed the 990-PF
- PIONEER BANK TRUST, TRUSTEE
- Phone
- (605) 892-3494
- Return prepared by
- KETEL THORSTENSON 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
- 46-0460142
- 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
- 2001
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $3,662,549
- Income (IRS master file)
- $337,716
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $337,716 | $229,021 | $3,662,549 | IRS |
| 990-PF | December 2024 | $262,144 | $212,028 | $3,553,854 | XML |
| 990-PF | December 2023 | $114,290 | $189,759 | $3,503,738 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | $414,287 | $235,861 | $3,862,112 | XML |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | 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 46-0460142).
Questions about CLARKSON FAMILY FOUNDATION
- What is the EIN of CLARKSON FAMILY FOUNDATION?
- The employer identification number (EIN) of CLARKSON FAMILY FOUNDATION is 46-0460142.
- Is CLARKSON FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
- Are donations to CLARKSON FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CLARKSON FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CLARKSON FAMILY 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 CLARKSON FAMILY 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 CLARKSON FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 5 people; 1 received compensation from the organization, the highest $35,837 (PIONEER BANK TRUST, TRUSTEE).
- How much revenue does CLARKSON FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $337,716, expenses of $229,021 and total assets of $3,662,549 at year end.
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All nonprofits in BELLE FOURCHE · South Dakota · Philanthropy, voluntarism and grantmaking foundations