Company · CIK 0000880807 · SIC 3621 — Motors & Generators · Nasdaq
AMERICAN SUPERCONDUCTOR CORP /DE/ · AMSC
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 AForm 4 → | Sep 21, 5:22 pm EDT | Barbara G. LittlefieldDirector | 1,607 | — | — | 37,034 | — | |
| Jun 11, 2026 SForm 4 → | Jun 12, 4:11 pm EDT | Laura A. DambierDirector | 4,000 | $37.63 | $150,520 | 14,992 | −21.1% | |
| Jun 11, 2026 SForm 4 → | Jun 11, 4:31 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 6,769 | $37.46 | $253,579 | 334,377 | −1.98% | 10b5-1 |
| Jun 11, 2026 SForm 4 → | Jun 11, 4:29 pm EDT | Daniel P McGahnChairman, President and CEO, Director | 16,117 | $37.45 | $603,503 | 1,131,929 | −1.40% | 10b5-1 |
| Jun 8, 2026 SForm 4 → | Jun 10, 4:55 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 4,835 | $41.77 | $201,967 | 341,146 | −1.40% | 10b5-1 |
| Jun 8, 2026 SForm 4 → | Jun 10, 4:53 pm EDT | Daniel P McGahnChairman, President and CEO, Director | 9,670 | $41.78 | $403,996 | 1,148,046 | −0.84% | 10b5-1 |
| Jun 2, 2026 SForm 4 → | Jun 3, 4:15 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 36,909 | $50.45 | $1,862,034 | 345,981 | −9.64% | 10b5-1 |
| Jun 2, 2026 SForm 4 → | Jun 3, 4:11 pm EDT | Daniel P McGahnChairman, President and CEO, Director | 85,418 | $50.49 | $4,313,154 | 1,157,716 | −6.87% | 10b5-1 |
| Jun 1, 2026 AForm 4 → | Jun 3, 4:15 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 30,000 | — | — | 382,890 | — | 10b5-1 |
| Jun 1, 2026 AForm 4 → | Jun 3, 4:11 pm EDT | Daniel P McGahnChairman, President and CEO, Director | 60,000 | — | — | 1,243,134 | — | 10b5-1 |
| Dec 28, 2018 SForm 4 → | Jan 2, 2019, 4:52 pm EST | John W Kosiba Jr.SVP, CFO & Treasurer | 12,374 | $10.31 | $127,592 | 193,912 | −6.00% | plan? |
| Dec 7, 2018 SForm 4 → | Dec 11, 4:53 pm EST | John W Kosiba Jr.SVP, CFO & Treasurer | 6,250 | $10.58 | $66,148 | 206,286 | −2.94% | plan? |
| Nov 8, 2018 FForm 4 → | Nov 13, 5:05 pm EST | Daniel P McGahnChairman, President and CEO, Director | 3,747 | $9.48 | $35,522 | 446,620 | — | plan? late |
| Nov 8, 2018 FForm 4 → | Nov 13, 5:00 pm EST | John W Kosiba Jr.SVP, CFO & Treasurer | 1,617 | $9.48 | $15,329 | 212,536 | — | plan? late |
| Nov 1, 2018 AForm 4 → | Nov 5, 5:52 pm EST | John W Kosiba Jr.SVP, CFO & Treasurer | 50,000 | — | — | 214,153 | — | plan? |
| Aug 2, 2018 FForm 4 → | Aug 6, 5:10 pm EDT | Daniel P McGahnChairman, President and CEO, Director | 3,744 | $5.74 | $21,491 | 450,367 | — | plan? |
| Aug 2, 2018 FForm 4 → | Aug 6, 5:06 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 1,602 | $5.74 | $9,195 | 164,153 | — | plan? |
| Jul 27, 2018 FForm 4 → | Jul 31, 3:11 pm EDT | Daniel P McGahnPresident and CEO, Director | 16,662 | $5.03 | $83,810 | 454,111 | — | plan? |
| Jul 26, 2018 AForm 4 → | Jul 30, 4:59 pm EDT | Pamela F LenehanDirector | 2,595 | — | — | 27,172 | — | plan? |
| Jun 28, 2018 AForm 4 → | Jul 2, 5:22 pm EDT | Daniel P McGahnPresident and CEO, Director | 135,000 | — | — | 470,773 | — | plan? |
| Jun 28, 2018 AForm 4 → | Jul 2, 4:24 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 59,000 | — | — | 165,755 | — | plan? |
| May 14, 2018 FForm 4 → | May 15, 4:16 pm EDT | Daniel P McGahnPresident and CEO, Director | 14,795 | $6.88 | $101,790 | 335,773 | — | plan? |
| May 12, 2018 FForm 4 → | May 15, 2:19 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 6,798 | $6.88 | $46,795 | 106,755 | — | plan? |
| May 8, 2018 FForm 4 → | May 9, 2017, 4:23 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 2,617 | $4.06 | $10,625 | 37,383 | — | plan? |
| Apr 4, 2018 AForm 4 → | Apr 6, 2:32 pm EDT | David R Oliver Jr.Director | 6,896 | — | — | 24,217 | — | plan? |
| Apr 4, 2018 AForm 4 → | Apr 6, 2:29 pm EDT | Pamela F LenehanDirector | 6,896 | — | — | 24,577 | — | plan? |
| Apr 4, 2018 AForm 4 → | Apr 6, 2:28 pm EDT | Vikram S BudhrajaDirector | 6,896 | — | — | 42,377 | — | plan? |
| Apr 4, 2018 AForm 4 → | Apr 6, 2:27 pm EDT | Arthur H HouseDirector | 6,896 | — | — | 12,173 | — | plan? |
| Apr 4, 2018 AForm 4 → | Apr 6, 2:23 pm EDT | John W Wood Jr.Director | 6,896 | — | — | 32,527 | — | plan? |
| Feb 9, 2018 PForm 4 → | Feb 9, 1:36 pm EST | John W Kosiba Jr.SVP, CFO & Treasurer | 5,000 | — | — | 113,553 | — | plan? |
| Feb 8, 2018 PForm 4/A → | Feb 9, 4:51 pm EST | John W Kosiba Jr.SVP, CFO & Treasurer | 5,000 | $4.62 | $23,100 | 113,553 | +4.61% | plan? |
| Jul 28, 2017 AForm 4 → | Jul 31, 4:24 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 72,000 | — | — | 108,553 | — | plan? |
| Jul 27, 2017 AForm 4 → | Jul 31, 4:22 pm EDT | Daniel P McGahnPresident and CEO, Director | 225,000 | — | — | 350,568 | — | plan? |
| Jul 26, 2017 AForm 4 → | Aug 8, 5:01 pm EDT | John Vander SandeDirector | 3,653 | — | — | 22,234 | — | plan? late |
| May 14, 2017 FForm 4 → | May 16, 4:56 pm EDT | Daniel P McGahnPresident and CEO, Director | 15,655 | $4.06 | $63,559 | 125,568 | — | plan? |
| May 12, 2017 FForm 4 → | May 16, 4:36 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 7,080 | $4.06 | $28,745 | 36,553 | — | plan? |
| May 10, 2017 PForm 4 → | May 12, 4:29 pm EDT | John W Wood Jr.Director | 6,250 | $4.00 | $25,000 | 25,631 | +32.2% | plan? |
| May 10, 2017 PForm 4 → | May 12, 4:27 pm EDT | Daniel P McGahnPresident and CEO, Director | 25,000 | $4.00 | $100,000 | 141,223 | +21.5% | plan? |
| May 10, 2017 PForm 4 → | May 12, 4:26 pm EDT | John W Kosiba Jr.SVP, CFO & Treasurer | 6,250 | $4.00 | $25,000 | 43,633 | +16.7% | plan? |
| May 10, 2017 PForm 4 → | May 12, 4:26 pm EDT | Vikram S BudhrajaDirector | 12,500 | $4.00 | $50,000 | 35,481 | +54.4% | plan? |
| Apr 5, 2017 AForm 4 → | Apr 7, 4:45 pm EDT | John W Wood Jr.Director | 6,042 | — | — | 19,381 | — | plan? |
| Apr 5, 2017 AForm 4 → | Apr 7, 4:43 pm EDT | John Vander SandeDirector | 6,042 | — | — | 18,581 | — | plan? |
| Apr 5, 2017 AForm 4 → | Apr 7, 4:40 pm EDT | David R Oliver Jr.Director | 6,042 | — | — | 17,321 | — | plan? |
| Apr 5, 2017 AForm 4 → | Apr 7, 4:39 pm EDT | Pamela F LenehanDirector | 6,042 | — | — | 17,681 | — | plan? |
| Apr 5, 2017 AForm 4 → | Apr 7, 4:37 pm EDT | Arthur H HouseDirector | 3,277 | — | — | 5,277 | — | plan? |
| Apr 5, 2017 AForm 4 → | Apr 7, 4:35 pm EDT | Vikram S BudhrajaDirector | 6,042 | — | — | 22,981 | — | plan? |
| Dec 15, 2016 SForm 4 → | Dec 19, 4:19 pm EST | David R Oliver Jr.Director | 2,200 | $7.95 | $17,497 | 11,279 | −16.3% | plan? |
| Nov 28, 2016 SForm 4 → | Nov 29, 4:14 pm EST | John Vander SandeDirector | 500 | $8.05 | $4,026 | 12,539 | −3.83% | plan? |
| Jul 31, 2016 FForm 4 → | Aug 22, 6:08 pm EDT | Daniel P McGahnPresident and CEO, Director | 1,568 | $9.18 | $14,394 | 116,223 | — | plan? late |
| Jul 31, 2016 FForm 4 → | Aug 22, 6:05 pm EDT | James F MaguireEVP, Operations | 820 | $9.18 | $7,528 | 44,446 | — | plan? late |
| Jul 31, 2016 FForm 4 → | Aug 22, 6:01 pm EDT | David A HenryEVP, CFO & Treasurer | 877 | $9.18 | $8,051 | 61,929 | — | plan? late |
| Jun 16, 2016 SForm 4 → | Jun 20, 5:27 pm EDT | David A HenryEVP, CFO & Treasurer | 13,225 | $8.38 | $110,810 | 62,806 | −17.4% | plan? |
| May 18, 2016 SForm 4 → | May 20, 4:14 pm EDT | James F MaguireEVP, Operations | 29,938 | $10.15 | $304,014 | 45,266 | −39.8% | plan? |
| May 14, 2016 FForm 4 → | May 17, 5:29 pm EDT | Daniel P McGahnPresident and CEO, Director | 15,156 | $10.54 | $159,744 | 117,791 | — | plan? |
| May 14, 2016 FForm 4 → | May 17, 5:28 pm EDT | James F MaguireEVP, Operations | 7,083 | $10.54 | $74,655 | 75,204 | — | plan? |
| May 14, 2016 FForm 4 → | May 17, 5:26 pm EDT | David A HenryEVP, CFO & Treasurer | 7,083 | $10.54 | $74,655 | 73,706 | — | plan? |
| May 8, 2016 FForm 4 → | May 10, 4:33 pm EDT | James F MaguireEVP, Operations | 4,260 | $11.44 | $48,734 | 82,287 | — | plan? |
| May 8, 2016 FForm 4 → | May 10, 4:29 pm EDT | David A HenryEVP, CFO & Treasurer | 4,246 | $11.44 | $48,574 | 80,789 | — | plan? |
| Apr 5, 2016 SForm 4 → | Apr 7, 4:36 pm EDT | David A HenryEVP, CFO & Treasurer | 12,545 | $8.21 | $102,949 | 85,035 | −12.9% | plan? |
| Apr 5, 2016 AForm 4 → | Apr 5, 4:20 pm EDT | John W Wood Jr.Director | 5,000 | — | — | 13,339 | — | plan? |
| Apr 5, 2016 AForm 4 → | Apr 5, 4:19 pm EDT | John Vander SandeDirector | 5,000 | — | — | 13,039 | — | plan? |
| Apr 5, 2016 AForm 4 → | Apr 5, 4:17 pm EDT | David R Oliver Jr.Director | 5,000 | — | — | 13,479 | — | plan? |
| Apr 5, 2016 AForm 4 → | Apr 5, 4:16 pm EDT | Pamela F LenehanDirector | 5,000 | — | — | 11,639 | — | plan? |
| Apr 5, 2016 AForm 4 → | Apr 5, 4:14 pm EDT | Vikram S BudhrajaDirector | 5,000 | — | — | 16,939 | — | plan? |
| Jul 31, 2015 FForm 4 → | Aug 4, 4:04 pm EDT | Daniel P McGahnPresident and CEO, Director | 1,516 | $5.00 | $7,580 | 132,947 | — | plan? |
| Jul 31, 2015 FForm 4 → | Aug 4, 4:02 pm EDT | James F MaguireEVP, Operations | 821 | $5.00 | $4,105 | 86,547 | — | plan? |
| Jul 31, 2015 SForm 4 → | Aug 4, 4:00 pm EDT | David A HenryEVP, CFO & Treasurer | 929 | $5.07 | $4,707 | 97,580 | −0.94% | plan? |
| May 28, 2015 DForm 4 → | Jun 2, 4:07 pm EDT | Daniel P McGahnPresident and CEO, Director | 2,500 | — | — | 134,463 | — | plan? late |
| May 14, 2015 AForm 4 → | May 15, 4:34 pm EDT | Daniel P McGahnPresident and CEO, Director | 100,000 | — | — | 136,963 | — | plan? |
| May 14, 2015 AForm 4 → | May 15, 4:24 pm EDT | James F MaguireEVP, Operations | 50,000 | — | — | 87,368 | — | plan? |
| May 14, 2015 AForm 4 → | May 15, 4:15 pm EDT | David A HenryEVP, CFO & Treasurer | 50,000 | — | — | 98,509 | — | plan? |
| May 9, 2015 FForm 4 → | May 12, 4:38 pm EDT | Daniel P McGahnPresident and CEO, Director | 1,486 | $6.51 | $9,674 | 36,963 | — | plan? |
| May 8, 2015 FForm 4 → | May 12, 4:35 pm EDT | James F MaguireEVP, Operations | 4,865 | $6.51 | $31,671 | 37,368 | — | plan? |
| Apr 24, 2015 PForm 4 → | May 4, 8:54 pm EDT | Kevin Douglas +410% Owner | 660,000 | $6.00 | $3,960,000 | 204,100 | — | plan? late |
| Apr 6, 2015 AForm 4 → | Apr 8, 4:20 pm EDT | John W Wood Jr.Director | 5,839 | — | — | 8,339 | — | plan? |
| Apr 6, 2015 AForm 4 → | Apr 8, 4:18 pm EDT | John Vander SandeDirector | 5,839 | — | — | 8,039 | — | plan? |
| Apr 6, 2015 AForm 4 → | Apr 8, 4:16 pm EDT | David R Oliver Jr.Director | 5,839 | — | — | 8,479 | — | plan? |
| Apr 6, 2015 AForm 4 → | Apr 8, 4:14 pm EDT | Pamela F LenehanDirector | 5,839 | — | — | 6,639 | — | plan? |
| Apr 6, 2015 AForm 4 → | Apr 8, 4:13 pm EDT | Vikram S BudhrajaDirector | 5,839 | — | — | 11,939 | — | plan? |
| Nov 11, 2014 SForm 4 → | Feb 6, 2015, 4:28 pm EST | John Vander SandeDirector | 5,000 | $1.15 | $5,730 | 22,000 | −18.5% | plan? late |
| May 8, 2014 SForm 4 → | May 12, 2015, 4:33 pm EDT | David A HenryEVP, CFO & Treasurer | 4,905 | $6.51 | $31,912 | 48,509 | −9.18% | plan? late |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 20, 2016 AForm 4 → | Sep 22, 4:59 pm EDT | Arthur H HouseDirector | 9,703 | — | — | 9,703 | — |