American Superconductor Corporation (AMSC)
Nasdaq: AMSC · Motors & Generators · Devens, MA · filing with the SEC since 1996
Grade6.5
◀ Past 6.1● Present 6.3▶ Future 7.3
Who runs American Superconductor Corporation
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Mcgahn Daniel P
Chairman, President and CEO. First filing Jan 2008, latest Jun 11, 2026, 18 filings in all.
Officers reporting now
2
of 8 people with a filing in the last fifteen months
Directors reporting now
6
14 people on the record since 2006
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Mcgahn Daniel P | Chairman, President and CEO | Jan 2008 | Jun 11, 2026 | 12 · $5.3M |
| Kosiba John W Jr | SVP, CFO & Treasurer | Apr 2017 | Jun 11, 2026 | 11 · $2.3M |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Littlefield Barbara G. | director | May 2019 | Sep 21, 2026 | none |
| Dambier Laura A. | director | Jun 2022 | Jun 12, 2026 | 1 · $200,000 |
| Donnelly Terence Robert | director | May 2025 | Apr 7, 2026 | none |
| House Arthur H | director | Sep 2016 | Apr 7, 2026 | none |
| Klein Margaret D. | director | Jun 2022 | Apr 7, 2026 | none |
| Oliver David R Jr | director | Sep 2006 | Apr 7, 2026 | 1 · $0.00 |
Earlier names on the record6, newest filing first
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.