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  • Insider Ownership

Insider Trading & Ownership of John W. Kosiba Jr.

Location
Devens, MA
Summary
The estimated net worth of John W. Kosiba Jr. is at least $19,454,543 dollars as of 06 Aug 2025. John W. Kosiba Jr. is the SVP, CFO & Treasurer of AMERICAN SUPERCONDUCTOR CORP /DE/ and owns shares of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) stock worth about $19.45M.
Signature
/s/ John W. Kosiba, Jr.
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Ownership of John W. Kosiba Jr.

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ SVP, CFO & Treasurer $19,454,543 -$5,224,458 -21% 04 Aug 2025

Insider Transactions Reported by John W. Kosiba Jr.:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.