Tax-exempt organization ยท Files a Form 5500
HAROLD GRINSPOON FOUNDATION
67 HUNT ST STE 100, AGAWAM, MA 01001-1913
EIN
04-6685725
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Supporting organization (509(a)(3))
IRS · 2026-09
IRS ruling date
1991-12
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$129,335,075
IRS · 2026-09
Assets (latest 990)
$1,159,806,523
IRS · 2026-09
Benefit plan 1, 2024 filing
HAROLD GRINSPOON FOUNDATION 401(K) SAVINGS PLAN
DOL · 2025-09-25
Participants (start of year)
173
DOL · 2025-09-25
Plan features
code 2E2F2G2J2K2S2T3D
DOL · 2025-09-25
Plan type
Single-employer plan
DOL · 2025-09-25
Business code (NAICS)
813000
DOL · 2025-09-25
Benefit plan 501, 2024 filing
HAROLD GRINSPOON HEALTH AND WELFARE PLAN
DOL · 2025-08-20
Participants (start of year)
128
DOL · 2025-08-20