Michael & Bettina Prober Family
Michael & Bettina Prober Family is a private foundation, based in Chappaqua, NY. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $306K in total assets. In 2025, it awarded 2 grants totaling $66K. Net investment income was $162K.
Michael & Bettina Prober Family at a glance
In short: Michael & Bettina Prober Family gave $66K across 2 grants in 2025 (avg $33K), mostly in Michigan. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $66,000
- -37.1% vs 2024
- Grants made (2025)
- 2
- +100.0% vs 2024
- Average grant
- $33,000
- -68.6% vs 2024
- Median grant
- $33,000
- Total assets
- $305,706
- +83.5% vs 2024
- Primary geography
- Michigan (98% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Michael & Bettina Prober Family funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was University of Michigan ($65K). Together the top 2 received $66K.
Grant Size Distribution
6 grants across all recorded years
The most common grant size was under $50K: 4 grants of 6 (67%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
Cities
How Michael & Bettina Prober Family gives
- Giving grew 560% from 2022 to 2025. Method
- In 2025 it paid out 869% 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 $10K (2022) to $105K (2024). In 2025 it made 2 grants totaling $66K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Michigan Ann Arbor, MI | Education | $65,000 |
| 914 Cares Armonk, NY | General Purposes | $1,000 |
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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 | $305,706 | $388,292 | $67,353 | $66,000 | 2 | $66,000 | $161,566 | $7,593 |
| 2024 | $166,621 | $10,336 | $107,438 | $105,000 | 1 | $105,000 | $9,120 | $10,494 |
| 2023 | $263,723 | $286,661 | $26,200 | $25,000 | 1 | $25,000 | $80,343 | $5,043 |
| 2022 | $67,612 | $6,987 | $11,456 | $10,000 | 1 | $10,000 | $6,391 | $4,083 |
| 2021 | $72,081 | $59,462 | $35,058 | $33,750 | 1 | $33,750 | $23,829 | $3,561 |
| 2020 | $65,941 | $44,312 | $36,165 | $35,000 | 2 | — | $18,372 | $3,912 |
| 2019 | $75,243 | $19,841 | $34,562 | $33,750 | 1 | — | $19,029 | $4,851 |
Under IRS private-foundation payout rules, Michael & Bettina Prober Family reported a distributable amount of $8K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Michael & Bettina Prober Family is led by Michael Prober, President & Treasurer on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Michael Prober
President & Treasurer
On filings since 2019
5 hrs/week
No compensation reported
Bettina Prober
Vice President
On filings since 2019
5 hrs/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.
Frequently asked questions about Michael & Bettina Prober Family
How much does Michael & Bettina Prober Family give each year?
Michael & Bettina Prober Family gave $66K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $105K across 1 grant.
How large is Michael & Bettina Prober Family?
Michael & Bettina Prober Family reported $306K in total assets on its 2025 IRS Form 990-PF. It paid out $66K in qualifying distributions that year, against a required minimum of $8K (roughly 5% of its investment assets).
Where does Michael & Bettina Prober Family operate?
Michael & Bettina Prober Family has awarded grants in Michigan, New York.
What is Michael & Bettina Prober Family's EIN?
Michael & Bettina Prober Family's EIN (Employer Identification Number) is 26-2092005. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 21, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2020–2024
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