Kosiba John W JR

SVP, CFO & TreasurerAMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) · full profile →Form 4 · filed Jun 3, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.9M
Net Open-Market Flow
-$1.9M
Transactions
8
8 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 3, 2026Sell(S)609$50.83$31K346K
Jun 3, 2026Sell(S)3K$48.31$155K349K
Jun 3, 2026Sell(S)3K$49.28$130K347K
Jun 2, 2026Sell(S)12K$51.47$619K353K
Jun 2, 2026Sell(S)600$52.19$31K352K
Jun 2, 2026Sell(S)6K$49.46$282K377K
Jun 2, 2026Sell(S)12K$50.62$614K365K
Jun 1, 2026Grant(A)30K$0383K

Transaction Codes

S
Open-market sale
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-255471) within minutes of acceptance. Every field above traces to the original document. Verify it directly: