Form4insider filings, from the source

Insider · CIK 0001703463

John W Kosiba Jr.

Files at: AMSC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $48k · 2sales $2.5M · 5net −$2.5M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMay 2017Nov 2018May 2020Nov 2021Jun 2023Dec 2024Jun 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 11, 2026 SForm 4 →Jun 11, 4:31 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC6,769$37.46$253,579334,377−1.98%10b5-1
Jun 8, 2026 SForm 4 →Jun 10, 4:55 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC4,835$41.77$201,967341,146−1.40%10b5-1
Jun 2, 2026 SForm 4 →Jun 3, 4:15 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC36,909$50.45$1,862,034345,981−9.64%10b5-1
Jun 1, 2026 AForm 4 →Jun 3, 4:15 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC30,000——382,890—10b5-1
Dec 28, 2018 SForm 4 →Jan 2, 2019, 4:52 pm ESTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC12,374$10.31$127,592193,912−6.00% plan?
Dec 7, 2018 SForm 4 →Dec 11, 4:53 pm ESTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC6,250$10.58$66,148206,286−2.94% plan?
Nov 8, 2018 FForm 4 →Nov 13, 5:00 pm ESTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC1,617$9.48$15,329212,536— plan? late
Nov 1, 2018 AForm 4 →Nov 5, 5:52 pm ESTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC50,000——214,153— plan?
Aug 2, 2018 FForm 4 →Aug 6, 5:06 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC1,602$5.74$9,195164,153— plan?
Jun 28, 2018 AForm 4 →Jul 2, 4:24 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC59,000——165,755— plan?
May 12, 2018 FForm 4 →May 15, 2:19 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC6,798$6.88$46,795106,755— plan?
May 8, 2018 FForm 4 →May 9, 2017, 4:23 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC2,617$4.06$10,62537,383— plan?
Feb 9, 2018 PForm 4 →Feb 9, 1:36 pm ESTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC5,000——113,553— plan?
Feb 8, 2018 PForm 4/A →Feb 9, 4:51 pm ESTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC5,000$4.62$23,100113,553+4.61% plan?
Jul 28, 2017 AForm 4 →Jul 31, 4:24 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC72,000——108,553— plan?
May 12, 2017 FForm 4 →May 16, 4:36 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC7,080$4.06$28,74536,553— plan?
May 10, 2017 PForm 4 →May 12, 4:26 pm EDTAMERICAN SUPERCONDUCTOR CORP /DE/AMSC6,250$4.00$25,00043,633+16.7% plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.