The Mason Green Foundation
The Mason Green Foundation is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in BARTLESVILLE, OK. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $5K in total assets. In 2024, it awarded 1 grants totaling $5K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$5K
-48.1% YoY
Annual Giving
$5K
+7.8% YoY
Grant Count
1
-50.0% YoY
Avg Grant Size
$5K
+115.7% YoY
Under IRS private-foundation payout rules, The Mason Green Foundation reported a distributable amount of $237 for 2024 — the minimum it must pay out in qualifying distributions.
About The Mason Green Foundation
Based on IRS filings
The Mason Green Foundation is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in BARTLESVILLE, OK. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $5K in total assets. In 2024, it awarded 1 grants totaling $5K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $5,307 | $10,232 | $1,183 |
| Revenue | — | $14,088 | $10,266 |
| Expenses | $4,925 | $5,039 | $10,006 |
| Qualifying Distributions | $4,925 | $4,567 | $10,000 |
| Net Investment Income | — | — | — |
| Distributable Amount | $237 | $256 | $27 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
8 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Angel Flight Inc ($4,925).
| Recipient | Purpose | Amount |
|---|---|---|
| Angel Flight Inc Tulsa, OK | Donation | $4,925 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Jeffrey A Green | President | 1 | — |
| Monica G Green | Secretary | 1 | — |
| Stewart L Mueller | Director | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Mason Green Foundation?
The Mason Green Foundation is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in BARTLESVILLE, OK. It holds $5K in total assets as of 2024.
How large is The Mason Green Foundation?
As of 2024, The Mason Green Foundation holds $5K in total assets. It awarded 1 grants totaling $5K in 2024.
Where does The Mason Green Foundation operate?
The Mason Green Foundation has awarded grants in Kansas, Missouri, Oklahoma.
What size grants does The Mason Green Foundation award?
In 2024, The Mason Green Foundation awarded 1 grants totaling $5K — an average of about $5K per grant, based on its IRS Form 990 filings.
How much is The Mason Green Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Mason Green Foundation reported a distributable amount of $237 on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Mason Green Foundation's EIN?
The Mason Green Foundation's EIN (Employer Identification Number) is 47-5157492. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Mason Green Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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