Clarkson Family Foundation
The Clarkson Family Foundation is a private foundation based in Belle Fourche, South Dakota. Its 2025 filing reports one grant to a recipient listed as “Schedule Attached” in Rapid City, South Dakota.
Clarkson Family Foundation at a glance
In short: Clarkson Family Foundation gave $187K across 1 grant in 2025 (avg $187K), mostly in South Dakota. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $187,000
- +6.9% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $187,000
- +6.9% vs 2024
- Median grant
- $187,000
- Total assets
- $3,662,549
- +3.1% vs 2024
- Primary geography
- South Dakota (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Clarkson Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: PO Box 729, Belle Fourche, SD 57717
Phone: (605) 892-3494
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Clarkson Family Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Schedule Attached ($187K).
Grant Size Distribution
52 grants across all recorded years
The most common grant size was under $50K: 48 grants of 52 (92%).
Geographic Focus
Where this funder awards grants
All reported grant dollars in 2025 went to a recipient in South Dakota.
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Clarkson Family Foundation gives
- Giving fell 50% from 2022 to 2025. Method
- In 2025 it paid out 109% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $156K (2023) to $372K (2022). In 2025 it made 1 grant totaling $187K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Schedule Attached Rapid City, SD | Schedule Attached | $187,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $3,662,549 | $337,716 | $229,021 | $187,000 | 1 | $219,417 | $332,129 | $200,581 |
| 2024 | $3,553,854 | $262,144 | $212,028 | $175,000 | 1 | $205,709 | $253,399 | $189,291 |
| 2023 | $3,503,738 | $114,290 | $189,759 | $156,045 | 1 | $184,198 | $106,610 | $174,169 |
| 2022 | $3,579,207 | $140,077 | $421,835 | $372,000 | 1 | $376,241 | $101,040 | $187,840 |
| 2021 | $3,862,112 | $414,287 | $235,861 | $188,500 | 48 | $192,889 | $374,315 | $206,601 |
| 2020 | $3,683,686 | $142,668 | $228,083 | $186,000 | 43 | — | $107,000 | $175,196 |
| 2019 | $3,769,101 | $264,322 | $229,358 | $190,000 | 57 | — | $228,857 | $181,752 |
Under IRS private-foundation payout rules, Clarkson Family Foundation reported a distributable amount of $201K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Grantmaking
In 2025, the foundation reported $187,000 in giving through one grant. The sole reported grant was $187,000 to “Schedule Attached” in Rapid City; its stated purpose was also “Schedule Attached.”
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Pioneer Bank Trust as trustee and Thad Milton Buchholz, Mary Buchholz, Ferman M Clarkson, and Kay Musil as members.
Clarkson Family Foundation's 2025 filing lists 5 officers; 1 of 5 officers listed in 2025 is compensated.
Officers on the 2025 filing
Pioneer Bank Trust
Trustee
On filings since 2020
20 hrs/week
$33K (2020) → $36K (2025)
Ferman M. Clarkson
Member
President & Director → Member, 2023
On filings since 2019
1 hr/week
No compensation reported
Kay Musil
Member
Director → Member, 2023
On filings since 2019
1 hr/week
No compensation reported
Mary Buchholz
Member
Director → Member, 2023
On filings since 2019
1 hr/week
No compensation reported
Thad Milton Buchholz
Member
Director → Member, 2023
On filings since 2019
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $36K, to Pioneer Bank Trust (Trustee).
Frequently asked questions about Clarkson Family Foundation
How much does Clarkson Family Foundation give each year?
Clarkson Family Foundation gave $187K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $175K across 1 grant.
How large is Clarkson Family Foundation?
Clarkson Family Foundation reported $3.7M in total assets on its 2025 IRS Form 990-PF. It paid out $219K in qualifying distributions that year, against a required minimum of $201K (roughly 5% of its investment assets).
How do I apply for a grant from Clarkson Family Foundation?
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
Where does Clarkson Family Foundation make grants?
All reported grant dollars in 2025 went to a recipient in South Dakota.
What is Clarkson Family Foundation's EIN?
Clarkson Family Foundation's EIN (Employer Identification Number) is 46-0460142. IRS Form 990 filing data is available on this page for 2019–2025.
Does Clarkson Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS June 19, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 11, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS September 10, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 30, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 22, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 4, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
- IRS filings on file for fiscal years 2019–2024
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Clarkson Family Foundation down — hundreds of funders to go?