US nonprofit · EIN 334593800 · Seattle, WAiSource and licenceOrganisation recordIRS Exempt Organizations Business Master File (EIN 334593800) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe time served.Latest returnIRS Form 990 series e-file data - 990 for the year to 31 December 2025: assets, liabilities, staff, website, telephone, pay.2026 return IRS e-file (TEOS) 2026 release: 990 for the year to 31 December 2025.DeductibilityIRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data
4 peopleExplore in 3DiThe large node is Math Agency. The map shows the people and organisations in the public record, two steps out at most. Hover a node to focus its connections; click one to open it.
Officers and directors
4 listediThe register holds no board history for this organisation, so this is the roster from its newest return: Form 990 Part VII, year to 31 December 2025 (IRS e-file, 2026 release). Titles are as filed; the IRS publishes no person identifier.
Name
Title as filed
Hours a week
Pay from the organisation
Rachel Mateo
Director
40
$67k
Mike Preiner
President, Secretary, & Treasurer
40
$4k
Bryce Hemme
Director
2
Sid Gorham
Director
2
About
Legal name
Math Agency
EIN
334593800
Address
2116 N 53rd St, Seattle, WA, 98103-6248
State
Washington
Mission
Our mission is to close educational gaps in math at public schools. (as filed on the Form 990)
Activity (NTEE)
B90Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
0 (IRS master file code)
Principal officer
Mike Preiner (as named on the Form 990)
IRS ruling date
1 September 2025
Status
Code 01 (unconditional exemption)
IRS Publication 78
PC (contributions deductible)
Latest return
year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.