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Form 990-PFTax year 2024EIN 39-6508464

Siron Foundation

A private foundation in Whitewater, WI. Its return for tax year 2024 lists 12 grants and $35,000 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2024 (period ending Jun 30, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $35,000

    Grants listed
    12
    Assets, end of year
    $597,336

  • Tax year 2023

    $32,000

    Grants listed
    12
    Assets, end of year
    $617,274

  • Tax year 2022

    $35,000

    Grants listed
    14
    Assets, end of year
    $640,381

  • Tax year 2021

    $38,000

    Grants listed
    17
    Assets, end of year
    $701,787

  • Tax year 2020

    $35,000

    Grants listed
    14
    Assets, end of year
    $722,844

  • Tax year 2019

    $41,000

    Grants listed
    14
    Assets, end of year
    $746,542

  • Tax year 2018

    $38,000

    Grants listed
    12
    Assets, end of year
    $779,012

  • Tax year 2017

    $38,000

    Grants listed
    14
    Assets, end of year
    $789,663

Grants paid in 2024

12 grants, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Individual

    Assist pet adoptions

    $5,000
  2. Individual

    Create life-changing wishes for children with critical illnesses.

    $5,000
  3. Rock Prairie Presbyterian ChurchJanesville, WI

    Charitable

    $4,000
  4. Individual

    Support monastic women seeking God through the Benedictine tradition

    $4,000
  5. Individual

    Provide quality education and embraces Native American Cultures

    $3,000
  6. Individual

    [individual], rehabilitation and rehoming of unwanted equines

    $3,000
  7. Individual

    For [individual] health research and fighting [individual] disease and strokes to improve lives.

    $3,000
  8. Salvation ArmyJanesville, WI

    Assist indigent

    $2,000
  9. Individual

    Provide guide dogs to people with vision loss.

    $2,000
  10. Individual

    For education and rehabilitation of [individual] species, and to inform the general public on the importance of wildlife and habitat.

    $2,000
  11. Janesville Performing Arts CenterJanesville, WI

    Promote the arts

    $1,000
  12. Individual

    To honor and champion the life and leadership of Dwight D. [individual]

    $1,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Arts and culture1 grant $1,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Wisconsin3 grants $7,000

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Donald SartellTrustee Hours 2Pay $10,000
  • Jeffrey SartellTrustee Hours 2Pay $0

The return

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