Donald & Donna Mosites Family Foundation

Private foundation · Grantmaker Pittsburgh, PA EIN: 26-1597938

The Donald & Donna Mosites Family Foundation is a private foundation based in Pittsburgh, Pennsylvania. Its 2024 filing reports grants to charitable organizations, with most grant dollars going to Pennsylvania recipients.

Donald & Donna Mosites Family Foundation at a glance

In short: Donald & Donna Mosites Family Foundation gave $967K across 14 grants in 2025 (avg $69K), mostly in Pennsylvania. 7% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$966,750
+3.2% vs 2024
Grants made (2025)
14
-41.7% vs 2024
Average grant
$69,054
+76.9% vs 2024
Median grant
$14,500
Total assets
$18,018,060
+2.6% vs 2024
New grantees (estimate)
7% first-time grantees (1 of 14, 2025; small sample)
Primary geography
Pennsylvania (53% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated November 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Donald & Donna Mosites Family Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 400 Mosites Way 100, Pittsburgh, PA 15205
Phone: (412) 923-2255

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Donald & Donna Mosites Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Marine Corp Scholarship Foundation: $450KMarine Corp ScholarshipFoundation$450KGreater Pittsburgh Community Food Bank: $366KGreater Pittsburgh CommunityFood Bank$366KWomen of Southwestern PA Inc: $22KWomen of Southwestern PA Inc$22KThe Kiski School: $20KThe Kiski School$20KWashington City Mission: $15KWashington City Mission$15KNativity of the Theotokos Monastery: $15KNativity of the TheotokosMonastery$15KMove a Mountain Mission: $15KMove a Mountain Mission$15KPittsburgh Vintage Grandprix Association: $14KPittsburgh Vintage GrandprixAssociation$14KWestern Pennsylvania School of the Blind: $13KWestern Pennsylvania School ofthe Blind$13KLittle Sisters of the Poor: $11KLittle Sisters of the Poor$11K

The largest 2025 recipient was Marine Corp Scholarship Foundation ($450K). Together the top 10 received $941K.

Grant Size Distribution

85 grants across all recorded years

76<$50K1$50–100K1$100–250K4$250–500K3$500K–1M$1–5M$5M+

The most common grant size was under $50K: 76 grants of 85 (89%).

Geographic Focus

Where this funder awards grants

In 2024, 94% of grant dollars went to Pennsylvania recipients, 4% to Alaska, and 2% to Massachusetts. Virginia and Ohio each accounted for 0% as reported.

Grant Distribution by State

6states

Share of 2025 grant dollars across all 14 itemized grants.

Cities

PittsburghWashingtonBrownsvilleMcMurraySaltsburgAlexandriaAnchorageDuquesneBridgevilleSaxonburgPhiladelphiaAtlantaCincinattiEightyfourJefferson HillsMattapoisettUpper St Clair

Is Donald & Donna Mosites Family Foundation open to new grantees?

7%

first-time grantees, 2025

In 2025, 1 of 14 grantees (7%) were first-time recipients. With only 14 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $13K; repeat grants $73K. How we count

Medians: $13K first-time, $15K repeat.

  • 93% of 2025 grantees were also funded in 2024. Method
  • Giving grew 32% from 2022 to 2025. Method
  • In 2025 it paid out 99% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$250K$500K$750K$1M13 grants2019 12 grants2020 15 grants2021 16 grants2022 16 grants2023 24 grants2024 14 grants2025

From 2019 to 2025, annual grant giving ranged from $645K (2019) to $967K (2025). In 2025 it made 14 grants totaling $967K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Marine Corp Scholarship Foundation Alexandria, VAPromote Ongoing Work of Charity$450,000
Greater Pittsburgh Community Food Bank Duquesne, PAPromote Ongoing Work of Charity$366,000
Women of Southwestern PA Inc McMurray, PAPromote Ongoing Work of Charity.$22,000
The Kiski School Saltsburg, PAPromote Ongoing Work of Charity$20,000
Washington City Mission Washington, PAPromote Ongoing Work of Charity.$15,000
Nativity of the Theotokos Monastery Saxonburg, PAPromote Ongoing Work of Charity$15,000
Move a Mountain Mission Pittsburgh, PAPromote Ongoing Work of Charity$15,000
Pittsburgh Vintage Grandprix Association Pittsburgh, PAPromote Ongoing Work of Charity.$14,000
Western Pennsylvania School of the Blind Pittsburgh, PAPromote Ongoing Work of Charity$13,000
Little Sisters of the Poor Pittsburgh, PAPromote Ongoing Work of Charity$10,750
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$18,018,060$1,636,670$1,175,168$966,75014$979,429$1,149,523$991,258
2024$17,556,558$1,504,598$1,144,277$936,60924$949,278$523,778$948,451
2023$17,196,237$1,464,668$1,190,007$933,50016$939,714$435,607$924,505
2022$16,921,576$2,688,796$976,284$732,07016$735,557$153,406$823,569
2021$15,209,064$2,186,706$939,475$707,40015$727,786$534,558$896,437
2020$13,961,833$1,969,880$951,089$784,75012—$677,161$728,878
2019$12,943,042$3,182,052$768,846$645,00013—$564,586$633,919

Under IRS private-foundation payout rules, Donald & Donna Mosites Family Foundation reported a distributable amount of $991K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its grantees describe a range of activities: Greater Pittsburgh Community Food Bank says it works toward lasting solutions to hunger and its root causes; The Kiski School says it prepares students for college and life; and Horses With Hope says it provides therapeutic riding and related activities to address physical, mental, social, and emotional needs.

Other 2024 grantees describe work supporting women through social and philanthropic activities, funding ALS research and support, providing care for needy elderly people, and advocating in court for abused and neglected children.

Grantmaking

In 2024, the foundation made 24 grants totaling $936,609. Grant amounts ranged from $500 to $702,500, with a median of $7,150. The largest grant was $702,500 to the Down Syndrome Center of Western PA. Other notable grants included $39,600 to The Alaska Community Foundation, $30,000 to Greater Pittsburgh Community Food Bank, $20,000 to The Kiski School, and $17,000 to Women of Southwestern PA Inc. Its 2025 filing, the latest on this page, reports 14 grants totaling $966,750.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Michael Dean Mosites and Margaret Overholt Mosites as board members/trustees, and G Douglas Mosites, Elizabeth M Bianco, and Donald O Mosites as board members.

Donald & Donna Mosites Family Foundation's 2025 filing lists 5 officers; none of the 5 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Margaret Overholt Mosites

    Board Member & Trustee

    On filings since 2019

    No compensation reported

  • Michael Dean Mosites

    Board Member & Trustee

    On filings since 2019

    No compensation reported

  • Donald O. Mosites

    Board Member

    On filings since 2020

    No compensation reported

  • Elizabeth M. Bianco

    Board Member

    On filings since 2020

    No compensation reported

  • G. Douglas Mosites

    Board Member

    On filings since 2020

    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 Donald & Donna Mosites Family Foundation

How much does Donald & Donna Mosites Family Foundation give each year?

Donald & Donna Mosites Family Foundation gave $967K across 14 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $937K across 24 grants.

What is Donald & Donna Mosites Family Foundation's typical grant size?

Donald & Donna Mosites Family Foundation's median grant in 2025 was $14,500, and its average grant was $69,054, across 14 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Donald & Donna Mosites Family Foundation that year got $13K on average.

Where does Donald & Donna Mosites Family Foundation give grants?

Donald & Donna Mosites Family Foundation gives mostly in Pennsylvania: 53% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Virginia (47%). The most frequent recipient cities were Pittsburgh, PA (4 grants) and Washington, PA (2 grants).

Does Donald & Donna Mosites Family Foundation give general operating support?

Not in 2025: none of the 14 grants with a stated purpose on Donald & Donna Mosites Family Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Promote Ongoing Work of Charity." (14 grants).

Who are Donald & Donna Mosites Family Foundation's largest grantees?

Donald & Donna Mosites Family Foundation's largest 2025 grantees include Marine Corp Scholarship Foundation ($450,000), Greater Pittsburgh Community Food Bank ($366,000) and Women of Southwestern PA Inc ($22,000), according to its 2025 IRS Form 990-PF. Together they received 87% of its itemized 2025 grant dollars.

How large is Donald & Donna Mosites Family Foundation?

Donald & Donna Mosites Family Foundation reported $18.0M in total assets on its 2025 IRS Form 990-PF. It paid out $979K in qualifying distributions that year, against a required minimum of $991K (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.

What does Donald & Donna Mosites Family Foundation fund?

No mission statement for the foundation is provided. See mission & focus areas ↑

How do I apply for a grant from Donald & Donna Mosites Family Foundation?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Donald & Donna Mosites Family Foundation's EIN?

Donald & Donna Mosites Family Foundation's EIN (Employer Identification Number) is 26-1597938. IRS Form 990 filing data is available on this page for 2019–2025.

Does Donald & Donna Mosites Family Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated November 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS June 26, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS August 31, 2026)
  3. IRS filings on file for fiscal years 2020–2024

Live grants for the work Donald & Donna Mosites Family Foundation funds

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Cite this profile

Grantable. (2026). Donald & Donna Mosites Family Foundation funder profile. GrantGraph. Retrieved November 3, 2026, from https://grantable.co/funders/donald-and-donna-mosites-family-foundation-morg_6163ce1d775e4893a3b966e6a3496ff0

BibTeX
@misc{grantable_261597938_2026,
  author       = {{Grantable}},
  title        = {{Donald \& Donna Mosites Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/donald-and-donna-mosites-family-foundation-morg_6163ce1d775e4893a3b966e6a3496ff0},
  note         = {Accessed 2026-11-03. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Donald & Donna Mosites Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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