The Texas State Capitol

Form 990-PFTax year 2024EIN 47-1670799

Mathhappens Foundation

A private foundation in Austin, TX. Its return for tax year 2024 lists 6 grants and $31,600 paid in grants.

Tax year 2024 (period ending Dec 31, 2024), 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

5 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $31,600

    Grants listed
    6
    Assets, end of year
    $2,871,534
  • Tax year 2023

    $26,693

    Grants listed
    6
    Assets, end of year
    $3,471,895
  • Tax year 2022

    $59,941

    Grants listed
    14
    Assets, end of year
    $3,854,284
  • Tax year 2021

    $13,160

    Grants listed
    2
    Assets, end of year
    $3,744,007
  • Tax year 2020

    $0

    Grants listed
    0
    Assets, end of year
    $3,192,665

Grants paid in 2024

6 grants, largest first

As listed on the return.

  1. Social and Environmental EntrepreneursCalabasas, CA

    $4,800 of the funding helped supply both durable and consumable materials to provide interactive models for attendees at math festivals in six title 1 schools in the san jose, ca area and $9,600 funded another 12 math festivals. Mathhappens foundation funded a total of 18 math festivals. They are free, non-competitive math festivals where students explore math through hands-on puzzles, games, and problem-solving activities.

    $14,400
  2. Summ (matheatre)Cheyenne, WY

    Funded a haunted house-inspired educational experience to create a community event where live theater is used to tell stories that inspire excitement about math. Participants used math to overcome scary obstacles during this interactive event in seattle, wa in october 2024.

    $13,000
  3. Austin Museum PartnershipAustin, TX

    Austin museum partnership $1,500 - austin museum day, 9/22/2024, was a free, city-wide cultural event coordinated by the austin museum partnership where museums and cultural institutions around the austin, TX area open their doors to the public with no admission charge.

    $1,500
  4. Mathematical Association of AmericaWashington, DC

    Maa mathfest is a major professional conference in indianapolis, in with the goal of advancing mathematics education, scholarship, and community. It is designed for mathematicians (researchers and educators), college and university faculty, graduate and undergraduate students, mathematics enthusiasts, teachers, and professionals. Funding was used to assist in logistics during the event, august 7-10, 2024.

    $1,400
  5. National Center for Family PhilanthropyWashington, DC

    This was a cash donation to NCFP which exists to equip and activate family philanthropies so they can give in ways that are informed, intentional, generationally connected, and socially meaningful. The headquarters of the national center for family philanthropy (NCFP) is in washington, D.C

    $1,000
  6. Benjamin Banneker AssociationHouston, TX

    Support of the benjamin banneker association's educator awards banquet that took place on 9/27/24, in chicago, il during the 2024 NCTM (national council of teachers of mathematics) annual meeting & exposition.

    $300

Where the money goes

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

  1. Environment1 grant $14,40084% of the total
  2. Arts and culture1 grant $1,5009% of the total
  3. Philanthropy and grantmaking1 grant $1,0006% of the total
  4. Education1 grant $3002% of the total

By State

Grants to organizations with a US address, latest year.

  1. California1 grant $14,400
  2. Wyoming1 grant $13,000
  3. District of Columbia2 grants $2,400
  4. Texas2 grants $1,800

Officers, directors and trustees

4 people as filed

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

  • Lauren SiegelPRES/SEC/DIR Hours 10Pay $0
  • Philip SiegelVP/TREAS/DIR Hours 5Pay $0
  • Matthew B SiegelDIRECTOR Hours 2Pay $0
  • Alexander W SiegelDIRECTOR Hours 2Pay $0

The return

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