| Owner | Filings | Transaction Date | Type of Owner |
|---|---|---|---|
| Dambier Laura A. | 0001933334 | Jun-10-2022 | director |
| Klein Margaret D. | 0001933357 | Jun-10-2022 | director |
| Littlefield Barbara G. | 0001777725 | May-21-2019 | director |
| Kosiba John W JR | 0001703463 | Apr-03-2017 | officer: SVP, CFO & Treasurer |
| House Arthur H | 0001685155 | Sep-15-2016 | director |
| Maguire James F | 0001549685 | May-09-2012 | officer: EVP, Gridtec Solutions |
| DOUGLAS KEVIN | 0001132859 | Mar-14-2011 | 10 percent owner |
| DOUGLAS FAMILY TRUST | 0001268474 | Mar-14-2011 | 10 percent owner |
| JAMES & JEAN DOUGLAS IRREVOCABLE DESCENDANTS TRUST | 0001268475 | Mar-14-2011 | 10 percent owner |
| DOUGLAS JAMES E III | 0001268476 | Mar-14-2011 | 10 percent owner |
| Douglas Michelle | 0001348445 | Mar-14-2011 | 10 percent owner |
| LENEHAN PAMELA F | 0001202481 | Mar-11-2011 | director |
| Collett John R | 0001491871 | May-12-2010 | officer: SVP, Chief Strategy Officer |
| DiCecco Susan J | 0001470072 | Aug-05-2009 | officer: VP, Corporate Administration |
| Poor Timothy D. | 0001434983 | May-14-2008 | officer: VP, Global Sales & Bus. Dev. |
| McGahn Daniel P | 0001425153 | Jan-24-2008 | officer: VP, Stategic Planning,Corp Dev |
| HENRY DAVID A | 0001195842 | Jul-09-2007 | officer: SVP, CFO & Treasurer |
| WOOD JOHN W JR | 0001243303 | Dec-01-2006 | director |
| OLIVER DAVID R JR | 0001376216 | Sep-19-2006 | director |
| SANTAMARIA ANGELO R | 0001192879 | May-04-2006 | officer: VP & GM, AMSC Wires Bus. Unit |
| STANKIEWICZ CHARLES W | 0001207473 | Mar-01-2006 | officer: SVP, AMSC Power Systems |
| Winter Terry M | 0001333663 | Jul-27-2005 | officer: Executive VP and COO |
| GIBSON ROSS S | 0001207457 | Apr-26-2004 | officer: VP & Chief Admin Officer |
| MALOZEMOFF ALEXIS P | 0001207458 | Apr-26-2004 | officer: EVP & Chief Technical Officer |
| ROSA THOMAS M | 0001207468 | Apr-26-2004 | officer: VP, Finance & Accounting |
| BISSON KEVIN M | 0001236726 | Apr-26-2004 | officer: SVP & Chief Financial Officer |
| BUDHRAJA VIKRAM S | 0001284516 | Mar-18-2004 | director |
| YUREK GREGORY J | 0001207476 | Mar-15-2004 | director, officer: Chairman and CEO |
| PARATORE DAVID | 0001207462 | Mar-09-2004 | officer: President and COO |
| KARON STUART | 0001276961 | Jan-29-2004 | officer: VP, Business Development |
| BACIOCCO ALBERT J JR | 0001012970 | Oct-06-2003 | director |
| CRISP PETER O | 0001120617 | Oct-06-2003 | director |
| DROUIN RICHARD | 0001207453 | Oct-06-2003 | director |
| MENJON GERARD | 0001207454 | Oct-06-2003 | director |
| SAGE ANDREW G C II | 0001207455 | Oct-06-2003 | director |
| SANDE JOHN VANDER | 0001207456 | Oct-06-2003 | director |
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Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by AMERICAN SUPERCONDUCTOR CORP /DE/
| Filings | Format | Description | Filed/Effective | File/Film Number |
|---|---|---|---|---|
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-26-145815 ( Act) Size: 0 KB |
Apr-07-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-26-145810 ( Act) Size: 0 KB |
Apr-07-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-26-145803 ( Act) Size: 0 KB |
Apr-07-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-26-145799 ( Act) Size: 0 KB |
Apr-07-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-26-145795 ( Act) Size: 0 KB |
Apr-07-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-26-145787 ( Act) Size: 0 KB |
Apr-07-2026 | |
| SCHEDULE 13G/A | Document | Acc-no: 0000102909-26-000605 (34 Act) Size: KB | Mar-26-2026 | 26797675 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-26-077349 ( Act) Size: 0 KB |
Feb-26-2026 | |
| 8-K/A | Document | Amendment to Current report filing Acc-no: 0001437749-26-004349 (34 Act) Size: KB |
Feb-17-2026 | 26641087 |
| 10-Q | Document | Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0001437749-26-002978 (34 Act) Size: KB |
Feb-04-2026 | 26598286 |
| 8-K | Document | Current report filing Acc-no: 0001437749-26-002977 (34 Act) Size: KB |
Feb-04-2026 | 26598245 |
| SCHEDULE 13G/A | Document | Acc-no: 0000102909-26-000102 (34 Act) Size: KB | Jan-30-2026 | 26581918 |
| 8-K | Document | Current report filing Acc-no: 0001193125-25-330930 (34 Act) Size: KB |
Dec-23-2025 | 251600648 |
| 424B7 | Document | Prospectus filed pursuant to Rule 424(b)(7) Acc-no: 0001193125-25-330851 (33 Act) Size: KB |
Dec-23-2025 | 251600531 |
| 8-K | Document | Current report filing Acc-no: 0001193125-25-314153 (34 Act) Size: KB |
Dec-10-2025 | 251561967 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001193125-25-280371 ( Act) Size: 0 KB |
Nov-13-2025 | |
| 10-Q | Document | Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0001437749-25-033351 (34 Act) Size: KB |
Nov-05-2025 | 251454136 |
| 8-K | Document | Current report filing Acc-no: 0001437749-25-033344 (34 Act) Size: KB |
Nov-05-2025 | 251454019 |
| 144 | Document | Filing for proposed sale of securities under Rule 144 Acc-no: 0001969223-25-000589 (33 Act) Size: 0 KB |
Aug-08-2025 | 251198795 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0000950170-25-105858 ( Act) Size: 0 KB |
Aug-08-2025 |
Recent 20 filings. View all AMERICAN SUPERCONDUCTOR CORP /DE/ filings
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