Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:e3c9d6cc-a09f-4c61-7ff5-6accd720cec7 2026-05-12T17:25:31-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services AMSC: DONNELLY TERENCE ROBERT (DIR) Acquired (JB) 2,665 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $0.00 on 4/3 urn:uuid:51207c60-97c0-193c-0f37-3f10795a0ad7 2026-04-07T17:45:37-04:00 AMSC: OLIVER DAVID R JR (DIR) Acquired (JB) 3,116 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $0.00 on 4/3 urn:uuid:fe9a17b2-b620-56e8-63ad-bca07d77804b 2026-04-07T17:42:50-04:00 AMSC: LITTLEFIELD BARBARA G (DIR) Acquired (JB) 3,116 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $0.00 on 4/3 urn:uuid:99a8fc73-c631-6b9b-9d71-cb70216342dc 2026-04-07T17:40:15-04:00 AMSC: KLEIN MARGARET D (DIR) Acquired (JB) 3,116 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $0.00 on 4/3 urn:uuid:99a05324-6a8d-3e8b-ffc0-1490482b1d3e 2026-04-07T17:38:08-04:00 AMSC: HOUSE ARTHUR H (DIR) Acquired (JB) 3,116 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $0.00 on 4/3 urn:uuid:2293c08a-4ed4-45a4-1fa8-0c8d63b4a521 2026-04-07T17:35:45-04:00 AMSC: DAMBIER LAURA A (DIR) Acquired (JB) 3,116 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $0.00 on 4/3 urn:uuid:fbf126c9-730b-5f32-8d0c-1e875aac9bfa 2026-04-07T17:33:42-04:00 AMSC: OLIVER DAVID R JR (DIR) Sold (S) 200 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $34.10 on 2/24 urn:uuid:75ba6250-b92b-9b0b-95da-60cc3636b785 2026-02-26T17:13:45-05:00 AMSC: OLIVER DAVID R JR (DIR) Bought (B) 200 Shares of AMERICAN SUPERCONDUCTOR CORP DE for $8.33 on 6/18 urn:uuid:19386d38-0326-f62e-ef37-d5995fb0a2d4 2025-11-13T16:49:08-05:00 AMSC: HOUSE ARTHUR H (DIR) Exercised 9,703 Options (OE) of AMERICAN SUPERCONDUCTOR CORP DE for $6.80 on 8/6, and Sold Them All urn:uuid:8ff52123-c7c4-be96-ca61-c24afa4c3363 2025-08-08T16:15:14-04:00