Employer with a benefit plan ยท SEC filer
AMERICAN SUPERCONDUCTOR CORPORATION
Also filed as AMERICAN SUPERCONDUCTOR CORP /DE/
114 EAST MAIN STREET, AYER, MA 01432
EIN
04-2959321
SEC CIK
0000880807
SEC · 2026-08-05
Industry (SIC)
Motors & Generators (3621)
SEC · 2026-08-05
State of incorporation
DE
SEC · 2026-08-05
Ticker
AMSC
SEC · 2026-08-05
Latest SEC filing
10-Q 2026-08-05
SEC · 2026-08-05
Benefit plan 1, 2024 filing
AMSC 401(K) SAVINGS PLAN
DOL · 2025-08-20
Participants (start of year)
433
DOL · 2025-08-20
Plan features
code 2E2F2G2J2K2T3D3H3I
DOL · 2025-08-20
Plan type
Single-employer plan
DOL · 2025-08-20
Business code (NAICS)
335310
DOL · 2025-08-20
Benefit plan 501, 2024 filing
AMERICAN SUPERCONDUCTOR HEALTH AND WELFARE PLAN
DOL · 2025-05-22
Participants (start of year)
232
DOL · 2025-05-22
Plan features
code 4A4B4D4E4F4H4L4Q
DOL · 2025-05-22
Plan type
Single-employer plan
DOL · 2025-05-22