Form4insider filings, from the source

Insider · CIK 0001777725

Barbara G. Littlefield

Files at: AMSC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 18, 2026 AForm 4 →Sep 21, 5:22 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC1,607——37,034—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.