Mysun Charitable Foundation
Mysun Charitable Foundation is a private foundation, based in Clayton, MO. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $67.3M in total assets. In 2025, it awarded 1 grant totaling $3.6M. Net investment income was $3.4M.
Mysun Charitable Foundation at a glance
In short: Mysun Charitable Foundation gave $3.6M across 1 grant in 2025 (avg $3.6M), mostly in Missouri. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $3,602,600
- +17.3% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $3,602,600
- +17.3% vs 2024
- Median grant
- $3,602,600
- Total assets
- $67,294,539
- -0.8% vs 2024
- Primary geography
- Missouri (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated November 2026.
Who Mysun Charitable Foundation funds
How this funder distributes its grants
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $1–5M range: 4 grants of 5 (80%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Mysun Charitable Foundation gives
- Giving grew 88% from 2022 to 2025. Method
- In 2025 it paid out 90% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2020 to 2025, annual grant giving ranged from $1.9M (2022) to $5.1M (2021). In 2025 it made 1 grant totaling $3.6M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| See Statement B Clayton, MO | See Attached | $3,602,600 |
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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 | $67,294,539 | $3,671,160 | $7,685,086 | $3,602,600 | 1 | $3,933,392 | $3,408,947 | $4,380,516 |
| 2024 | $67,825,938 | $3,123,976 | $2,857,861 | $3,072,100 | 1 | $3,408,034 | $2,848,608 | $4,107,081 |
| 2023 | $68,378,818 | $1,682,314 | $3,249,365 | $2,969,283 | 1 | $3,252,862 | $1,457,214 | $3,786,069 |
| 2022 | $70,168,115 | $5,619,336 | $2,384,574 | $1,917,083 | 1 | $2,158,390 | $5,326,089 | $3,975,712 |
| 2021 | $67,044,007 | $8,367,661 | $2,006,188 | $5,120,355 | 1 | — | $8,152,784 | $4,212,903 |
| 2020 | $64,484,598 | $1,591,438 | $9,011,732 | $3,077,445 | 1 | — | $1,431,518 | $3,683,641 |
Under IRS private-foundation payout rules, Mysun Charitable Foundation reported a distributable amount of $4.4M for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Mysun Charitable Foundation's 2025 filing lists 6 officers; 4 of 6 officers listed in 2025 are compensated.
Officers on the 2025 filing
Edward Heisel
Trustee
On filings since 2020
5 hrs/week
$10K (2023) → $14K (2025)
James F. Mann
Trustee
On filings since 2020
5 hrs/week
$10K (2020) → $24K (2025)
Michael D. Mulligan
Trustee
On filings since 2020
5 hrs/week
$20K (2020) → $24K (2025)
Commerce Trust
Trustee & Tax Preparation
On filings since 2023
5 hrs/week
$412K (2023) → $488K (2025)
Adam L. Glassberg
Trustee
On filings since 2020
5 hrs/week
No compensation reported
Sally Glassberg Sands
Trustee
On filings since 2020
5 hrs/week
No compensation reported
Former officers (1)
- Former: Commerce Trust Company (2020–2022) — Trustee & Tax Preparation
Data from IRS Form 990 filings, 2020–2025. "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 $488K, to Commerce Trust (Trustee). 4 officers or directors reported compensation on that filing.
Frequently asked questions about Mysun Charitable Foundation
How much does Mysun Charitable Foundation give each year?
Mysun Charitable Foundation gave $3.6M across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $3.1M across 1 grant.
How large is Mysun Charitable Foundation?
Mysun Charitable Foundation reported $67.3M in total assets on its 2025 IRS Form 990-PF. It paid out $3.9M in qualifying distributions that year, against a required minimum of $4.4M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does Mysun Charitable Foundation operate?
Mysun Charitable Foundation has awarded grants in Missouri.
What is Mysun Charitable Foundation's EIN?
Mysun Charitable Foundation's EIN (Employer Identification Number) is 43-7037871. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated November 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS September 14, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS February 16, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS February 28, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS July 12, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 22, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 18, 2025)
- IRS filings on file for fiscal years 2020–2024
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