AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) has 77 open-market insider trades by 22 insiders since 2006. Over the last six months insiders net sold $151K. The most active filer is John W. Kosiba Jr., CFO & VP +1.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Douglas Family TRUST | 10% | — | 8 | $98.6M | 2015-04-24 |
| James E. Douglas III | 10% | — | 6 | $28.7M | 2012-11-26 |
| JAMES & JEAN Douglas Irrevocable Descendants TRUST | 10% | — | 3 | $18.9M | 2011-03-21 |
| Kevin Douglas | 10% | — | 5 | $15.9M | 2012-12-04 |
| Daniel P. McGahn | CEOChairmanPres | — | 10 | $12.2M | 2026-06-11 |
| John W. Kosiba Jr. | CFOVPTreasurer | — | 17 | $10.4M | 2026-06-11 |
| Michelle Douglas | 10% | — | 2 | $4.7M | 2013-02-13 |
| Richard Drouin | Dir | — | 2 | $1.4M | 2014-04-01 |
| Arthur H. House | Dir | — | 1 | $988K | 2026-04-03 |
| James F. Maguire | VP | — | 2 | $573K | 2016-07-31 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Laura A. Dambier | Director | Sell | $151K | 2026-06-11 |
| Daniel P. McGahn | CEO & Chairman +1 | Sell | $604K | 2026-06-11 |
| John W. Kosiba Jr. | CFO & VP +1 | Sell | $254K | 2026-06-11 |
| John W. Kosiba Jr. | CFO & VP +1 | Sell | $202K | 2026-06-08 |
| Daniel P. McGahn | CEO & Chairman +1 | Sell | $404K | 2026-06-08 |
| John W. Kosiba Jr. | CFO & VP +1 | Sell | $1.9M |
Companies that share insiders with AMSC, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-06-02 |
| Daniel P. McGahn | CEO & Chairman +1 | Sell | $4.3M | 2026-06-02 |
| David R. Oliver Jr. | Director | Sell | $7K | 2026-02-24 |
| Arthur H. House | Director | Sell | $988K | 2025-08-08 |
| Daniel P. McGahn | CEO & Chairman +1 | Sell | $11.0M | 2025-08-04 |
| John W. Kosiba Jr. | CFO & VP +1 | Sell | $6.5M | 2025-08-04 |
| John W. Kosiba Jr. | CFO & VP +1 | Sell | $371K | 2025-06-11 |
| Daniel P. McGahn | CEO & Chairman +1 | Sell | $718K | 2025-06-11 |
| Daniel P. McGahn | CEO & Chairman +1 | Sell | $489K | 2025-06-06 |
| John W. Kosiba Jr. | CFO & VP +1 | Sell | $302K | 2025-06-06 |