Form4insider filings, from the source

Company · CIK 0000880807 · SIC 3621 — Motors & Generators · Nasdaq

AMERICAN SUPERCONDUCTOR CORP /DE/ · AMSC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 18, 2026 AForm 4 →Sep 21, 5:22 pm EDTBarbara G. LittlefieldDirector1,607——37,034—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.