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AMSC filings

Corporate insider profile

John W Kosiba Jr Filing Activity

Latest reported as SVP, CFO & Treasurer of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC).

Purchase filings
0
Reported companies
1
Net open-market value
-$2,317,579.47
Latest transaction
Jun 11, 2026

Affiliated corporations

Reported company relationships

AMSCLatest reported

AMERICAN SUPERCONDUCTOR CORP /DE/

SVP, CFO & Treasurer

Transaction history

Open-market Transactions

Open-market insider purchase and sale transactions
DateCompanyRoleTypeSharesPriceTotal value
Jun 11, 2026AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)SVP, CFO & TreasurerSale6,769$37.46$253,580
Jun 8, 2026AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)SVP, CFO & TreasurerSale4,835$41.77$201,967
Jun 3, 2026AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)SVP, CFO & TreasurerSale36,909$50.45$1,862,033