Mission
Education of the public on issues of space exploration, development and settlement, and the development and settlement of space by nongovernmental means.
Public Charity
Space Frontier Foundation Inc
Space Frontier Foundation Inc is a nonprofit organization categorized as Public Charity based in Washington, DC. Its most recent IRS filing (2025) reports revenue of $123K, expenses of $315K, total assets of $176K. Imperigo tracks 2 reported grant relationships connected to this organization totaling approximately $19K.
EIN: 133542980
Washington, DC
Alliances & Advocacy
NTEE: U01
Latest filing: 2025
Total Revenue$123K
Total Expenses$315K
Total Assets$176K
Grant Records2
Funding Total$19K
Filing Years2023–2025
Where $100 goes at Space Frontier Foundation Inc
How Space Frontier Foundation Inc divides every $100 it spends, from its own Form 990 filings, averaged across 3 years.
$51
Programs
the work itself
$49
Management
running the organization
$0
Fundraising
none reported
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Inside the $51 for programs
$35
Pathfinder Initiative
$15
Political Advocacy
$1
Space Based Solar Power
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
$8,845
2017 NEWSPACE CONFERENCE
$10,000
Showing up to 5 of 2 total records — full history available with membership.
Officers & Directors
Director
Aaron Oesterle
Director
Michael Mealling
Director
Miekkal Clarkson
Board Chair
Sean Mahoney
Director
Taylor Winkleman
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $123K | $315K | $176K |
| 2024 | $123K | $213K | $368K |
| 2023 | $25K | $186K | $458K |
Between 2023 and 2025, reported annual revenue grew from $25K to $123K (+393%), with total assets most recently reported at $176K.
Interactive year-over-year charts and full filing details available with membership.