The Arrebak Foundation
The Arrebak Foundation is a private foundation, based in Piedmont, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $751K in total assets. In 2025, it awarded 9 grants totaling $33K. Net investment income was $47.
The Arrebak Foundation at a glance
In short: The Arrebak Foundation gave $33K across 9 grants in 2025 (avg $4K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $33,157
- -32.3% vs 2024
- Grants made (2025)
- 9
- +125.0% vs 2024
- Average grant
- $3,684
- -69.9% vs 2024
- Median grant
- $515
- Total assets
- $750,551
- -4.2% vs 2024
- Primary geography
- California (95% 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 The Arrebak Foundation funds
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
The largest 2025 recipient was Piedmont Education Foundation ($19K). Together the top 9 received $33K.
Grant Size Distribution
29 grants across all recorded years
The most common grant size was under $50K: 29 grants of 29 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 9 itemized grants.
Cities
How The Arrebak Foundation gives
- Giving grew 268% from 2022 to 2025. Method
- In 2024 it paid out 132% 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 $1K (2019) to $51K (2023). In 2025 it made 9 grants totaling $33K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Piedmont Education Foundation Piedmont, CA | Piedmont Education Foundation | $18,600 |
| Insight Housing Berkeley, CA | Contribution to General Fund. | $10,000 |
| Governor's Institutes of Vermont Winooski, VT | Contribution to General Fund. | $1,030 |
| Abode Fremont, CA | Contribution to General Fund. | $1,000 |
| The Piedmont Environmental Council Warrenton, VA | General Fund | $515 |
| EdSource Oakland, CA | Contribution to General Fund. | $512 |
| The Oakland Reach Oakland, CA | Contribution to General Fund | $500 |
| Smuin Contemporary Ballet San Francisco, CA | General Fund | $500 |
| Alameda County Community Food Bank Oakland, CA | General Fund | $500 |
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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 | $750,551 | $243 | $33,363 | $33,157 | 9 | $33,167 | $47 | — |
| 2024 | $783,671 | $14,137 | $51,393 | $49,000 | 4 | $51,390 | $14,133 | $38,939 |
| 2023 | $820,927 | $303 | $52,071 | $50,718 | 9 | $52,068 | $300 | $41,594 |
| 2022 | $872,695 | $200,247 | $11,116 | $9,000 | 1 | $11,114 | $245 | — |
| 2021 | $683,564 | $200,167 | $13,321 | $9,063 | 6 | $13,321 | $167 | — |
| 2020 | $496,718 | $200,003 | $60 | — | — | — | $3 | $15,025 |
| 2019 | $296,775 | $200,002 | $8,227 | $1,250 | 2 | — | $2 | $5,392 |
Leadership & Key People
Officers and directors from IRS filings
The Arrebak Foundation is led by William Rogan, President & CEO on every filing since 2019 — the only officer listed, and uncompensated.
Officers on the 2025 filing
William Rogan
President & CEO
On filings since 2019
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 The Arrebak Foundation
How much does The Arrebak Foundation give each year?
The Arrebak Foundation gave $33K across 9 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $49K across 4 grants.
What is The Arrebak Foundation's typical grant size?
The Arrebak Foundation's median grant in 2025 was $515, and its average grant was $3,684, across 9 grants on its 2025 IRS Form 990-PF.
Where does The Arrebak Foundation give grants?
The Arrebak Foundation gives mostly in California: 95% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Oakland, CA (3 grants).
Does The Arrebak Foundation give general operating support?
Yes: 89% of The Arrebak Foundation's 2025 grants with a stated purpose (8 of 9) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Arrebak Foundation's largest grantees?
The Arrebak Foundation's largest 2025 grantees include Piedmont Education Foundation ($18,600), Insight Housing ($10,000) and Governor's Institutes of Vermont ($1,030), according to its 2025 IRS Form 990-PF. Together they received 89% of its itemized 2025 grant dollars.
How large is The Arrebak Foundation?
The Arrebak Foundation reported $751K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $243.
What is The Arrebak Foundation's EIN?
The Arrebak Foundation's EIN (Employer Identification Number) is 83-2721908. 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
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS July 8, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 21, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS March 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS March 26, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 15, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 13, 2026)
- IRS filings on file for fiscal years 2019–2025
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