American Superconductor Corp /De/ - AMSC

Include option trades

Include indirect trades

Latest data: 6/18/2026 10:01:40 PM

EDGAR CIK

1 Month 3 Month 6 Month 1 Year 2 Years

Buy Breakdown

Total $0

No buy transactions for this time period.

Sell Breakdown

Total $16,020,555

Monthly Totals

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
06/11/2026	06/12/2026	Dambier Laura A. Director	Sell	-4,000 @ $37.63	($150,520.00)	14,992	(-21.06%)	Direct
06/11/2026 10b5-1	06/11/2026	Kosiba John W Jr SVP, CFO & Treasurer CFO	Sell	-6,769 @ $37.46	($253,579.33)	334,377	(-1.98%)	Direct
06/11/2026 10b5-1	06/11/2026	Mcgahn Daniel P Chairman, President and CEO CEO Director	Sell	-16,117 @ $37.45	($603,502.73)	1,131,929	(-1.40%)	Direct
06/08/2026 10b5-1	06/10/2026	Kosiba John W Jr SVP, CFO & Treasurer CFO	Sell	-4,835 @ $41.77	($201,966.80)	341,146	(-1.40%)	Direct
06/08/2026 10b5-1	06/10/2026	Mcgahn Daniel P Chairman, President and CEO CEO Director	Sell	-9,670 @ $41.78	($403,995.58)	1,148,046	(-0.84%)	Direct
06/03/2026 10b5-1	06/03/2026	Kosiba John W Jr SVP, CFO & Treasurer CFO	Sell	-6,447 @ $48.94	($315,547.77)	345,981	(-1.83%)	Direct
06/03/2026 10b5-1	06/03/2026	Mcgahn Daniel P Chairman, President and CEO CEO Director	Sell	-12,893 @ $48.88	($630,264.73)	1,157,716	(-1.10%)	Direct
06/02/2026 10b5-1	06/03/2026	Kosiba John W Jr SVP, CFO & Treasurer CFO	Sell	-30,462 @ $50.77	($1,546,486.43)	352,428	(-7.96%)	Direct
06/02/2026 10b5-1	06/03/2026	Mcgahn Daniel P Chairman, President and CEO CEO Director	Sell	-72,525 @ $50.78	($3,682,889.13)	1,170,609	(-5.83%)	Direct
02/24/2026	02/26/2026	Oliver David R Jr Director	Sell	-200 @ $34.10	($6,820.00)	60,707	(-0.33%)	Direct
08/04/2025	08/06/2025	Kosiba John W Jr SVP, CFO & Treasurer CFO	Sell	-50,000 @ $54.59	($2,729,456.27)	352,890	(-12.41%)	Direct
08/04/2025	08/06/2025	Mcgahn Daniel P Chairman, President and CEO CEO Director	Sell	-100,848 @ $54.49	($5,495,526.17)	1,183,134	(-7.85%)	Direct