American Superconductor Corp
Veridion Score
Composite trend over time
Why is AMSC moving today?
American Superconductor Corp generates the ideas, technologies, and solutions that meet the world's demand for smarter, cleaner, and energy. Through its Windtec Solutions, the company enables manufacturers to launch wind turbines quickly, effectively, and profitably. Through its Gridtec Solutions, the company provides engineering planning services and grid systems that optimize network reliability, efficiency, and performance. The company's segment includes Grid and Wind. It generates maximum revenue from the Grid segment.
Reported fields plus Veridion-computed history. Unsourced tiles are omitted.
Warehouse intelligence for AMSC.
AMSC insider activity
American Superconductor Corp
No multi-insider buying cluster in the last 90 days
Net selling: -$17.0M across loaded Form 4 rows.
Loaded official disclosures do not show all three sources aligned on this ticker.
| Filing date | Trade date | Insider | Title | Type | Price | Qty | Owned | Value | Receipt |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-12 | 2026-06-11 | Dambier Laura A. | Insider | sell | $37.63 | 4,000 | 14,992 | $151K | SEC Form 4 |
| 2026-06-11 | 2026-06-11 | Kosiba John W JR | Insider | sell | $37.85 | 1,743 | 334,377 | $66K | SEC Form 4 |
| 2026-06-11 | 2026-06-11 | Kosiba John W JR | Insider | sell | $37.33 | 5,026 | 336,120 | $188K | SEC Form 4 |
| 2026-06-11 | 2026-06-11 | McGahn Daniel P | Insider | sell | $37.85 | 4,609 | 1,131,929 | $174K | SEC Form 4 |
| 2026-06-11 | 2026-06-11 | McGahn Daniel P | Insider | sell | $37.28 | 11,508 | 1,136,538 | $429K | SEC Form 4 |
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AMSC lobbying filings, year to date.
Registered lobbying filings matched to American Superconductor Corp.