Employer with a benefit plan ยท SEC filer
ASPEN AEROGELS, INC.
30 FORBES ROAD, BUILDING B, NORTHBOROUGH, MA 01532
EIN
04-3559972
SEC CIK
0001145986
SEC · 2026-08-13
Industry (SIC)
Wholesale-Lumber & Other Construction Materials (5030)
SEC · 2026-08-13
State of incorporation
DE
SEC · 2026-08-13
Ticker
ASPN
SEC · 2026-08-13
Latest SEC filing
SCHEDULE 13G/A 2026-08-13
SEC · 2026-08-13
Benefit plan 1, 2024 filing
ASPEN AEROGELS, INC. 401(K) PLAN
DOL · 2025-08-01
Participants (start of year)
626
DOL · 2025-08-01
Plan features
code 2E2F2G2J2K2S2T3D3H
DOL · 2025-08-01
Plan type
Single-employer plan
DOL · 2025-08-01
Business code (NAICS)
339900
DOL · 2025-08-01
Benefit plan 501, 2024 filing
ASPEN AEROGELS, INC. WELFARE PLAN
DOL · 2025-07-07
Participants (start of year)
512
DOL · 2025-07-07
Plan features
code 4A4B4D4E4F4H4L
DOL · 2025-07-07
Plan type
Single-employer plan
DOL · 2025-07-07