Dudediligence.

American Superconductor Corporation

AMSCNASDAQ · Motors & Generators
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Insiders

Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$7,799,089

9 notices · 163,718 sh

Oct 2025 to Oct 2026

Reported ·

$7,795,602

25 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

23 of 25 reported sales carry the 10b5-1 box. Together they are 0.34% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-06-11: JOHN KOSIBA, Form 1442026-06-11: DANIEL MCGAHN, Form 1442026-06-10: Dambier Laura A., Form 1442026-06-08: JOHN KOSIBA, Form 1442026-06-08: DANIEL MCGAHN, Form 1442026-06-03: DANIEL MCGAHN, Form 1442026-06-03: JOHN KOSIBA, Form 1442026-06-02: JOHN KOSIBA, Form 1442026-06-02: DANIEL MCGAHN, Form 1442026-02-24: OLIVER DAVID R JR, sold2026-06-02: McGahn Daniel P, sold2026-06-02: Kosiba John W JR, sold2026-06-08: McGahn Daniel P, sold2026-06-08: Kosiba John W JR, sold2026-06-11: McGahn Daniel P, sold2026-06-11: Kosiba John W JR, sold2026-06-11: Dambier Laura A., sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-06-11JOHN KOSIBA, SVP, CFO & Treasurer$253,579
6,769 shplan 2025-08-15144 ↗
Form 4, 2026-06-11: sold 6,769 at $37.46 Form 4 ↗
2026-06-11DANIEL MCGAHN, Chairman, President and CEO$603,503
16,117 shplan 2026-02-26144 ↗
Form 4, 2026-06-11: sold 16,117 at $37.44 Form 4 ↗
2026-06-10Dambier Laura A., Director$160,854
4,000 shno plan date144 ↗
Form 4, 2026-06-12: sold 4,000 at $37.63 Form 4 ↗
2026-06-08JOHN KOSIBA, SVP, CFO & Treasurer$201,967
4,835 shplan 2025-08-15144 ↗
Form 4, 2026-06-10: sold 4,835 at $41.77 Form 4 ↗
2026-06-08DANIEL MCGAHN, Chairman, President and CEO$403,996
9,670 shplan 2026-02-26144 ↗
Form 4, 2026-06-10: sold 9,670 at $41.78 Form 4 ↗
2026-06-03DANIEL MCGAHN, Chairman, President and CEO$630,265
12,893 shplan 2026-02-26Form 4s on file end Jun 23144 ↗
2026-06-03JOHN KOSIBA, SVP, CFO & Treasurer$315,548
6,447 shplan 2025-08-15Form 4s on file end Jun 23144 ↗
2026-06-02JOHN KOSIBA, SVP, CFO & Treasurer$1,546,486
30,462 shplan 2025-08-15144 ↗
Form 4, 2026-06-03: sold 36,909 at $50.45 Form 4 ↗
2026-06-02DANIEL MCGAHN, Chairman, President and CEO$3,682,892
72,525 shplan 2026-02-26144 ↗
Form 4, 2026-06-03: sold 85,418 at $50.49 Form 4 ↗