Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of American Superconductor Corp /de/ (AMSC) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of American Superconductor Corp /de/. Table 2 shows the detailed insider transactions. This company's CIK number is 880807.
Total stock buying since 2014: $4,162,782.
Total stock sales since 2014: $23,168,005.
Total stock option exercises since 2014: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 378,051 | $14,573,139 | 0 | $0 |
| 2024 | 0 | $0 | 168,724 | $3,659,352 | 0 | $0 |
| 2023 | 0 | $0 | 190,714 | $1,159,283 | 0 | $0 |
| 2022 | 500 | $2,782 | 76,110 | $436,527 | 0 | $0 |
| 2021 | 0 | $0 | 95,964 | $1,782,250 | 0 | $0 |
| 2020 | 0 | $0 | 25,000 | $481,949 | 0 | $0 |
| 2019 | 0 | $0 | 10,287 | $78,500 | 0 | $0 |
| 2018 | 5,000 | $0 | 18,624 | $193,738 | 0 | $0 |
| 2017 | 50,000 | $200,000 | 0 | $0 | 0 | $0 |
| 2016 | 0 | $0 | 84,858 | $760,920 | 0 | $0 |
| 2015 | 660,000 | $3,960,000 | 1,334 | $7,328 | 0 | $0 |
| 2014 | 0 | $0 | 9,500 | $35,019 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 0 | $0 | 160,691 | $8,800,650 | 0 | $0 |
| 2025-06 | 0 | $0 | 31,890 | $956,456 | 0 | $0 |
| 2025-05 | 0 | $0 | 185,470 | $4,816,033 | 0 | $0 |
| 2024-11 | 0 | $0 | 50,000 | $1,414,100 | 0 | $0 |
| 2024-06 | 0 | $0 | 69,165 | $1,499,794 | 0 | $0 |
| 2024-05 | 0 | $0 | 49,559 | $745,458 | 0 | $0 |
| 2023-06 | 0 | $0 | 190,714 | $1,159,283 | 0 | $0 |
| 2022-08 | 500 | $2,782 | 0 | $0 | 0 | $0 |
| 2022-06 | 0 | $0 | 41,060 | $245,365 | 0 | $0 |
| 2022-05 | 0 | $0 | 35,050 | $191,162 | 0 | $0 |
| 2021-12 | 0 | $0 | 25,754 | $293,359 | 0 | $0 |
| 2021-11 | 0 | $0 | 18,249 | $346,567 | 0 | $0 |
| 2021-07 | 0 | $0 | 21,073 | $372,206 | 0 | $0 |
| 2021-05 | 0 | $0 | 5,794 | $82,141 | 0 | $0 |
| 2021-01 | 0 | $0 | 25,094 | $687,977 | 0 | $0 |
| 2020-11 | 0 | $0 | 25,000 | $481,949 | 0 | $0 |
| 2019-12 | 0 | $0 | 10,287 | $78,500 | 0 | $0 |
| 2018-12 | 0 | $0 | 18,624 | $193,738 | 0 | $0 |
| 2018-02 | 5,000 | $0 | 0 | $0 | 0 | $0 |
| 2017-05 | 50,000 | $200,000 | 0 | $0 | 0 | $0 |
| 2016-12 | 0 | $0 | 2,200 | $17,496 | 0 | $0 |
| 2016-11 | 0 | $0 | 500 | $4,026 | 0 | $0 |
| 2016-06 | 0 | $0 | 39,675 | $332,430 | 0 | $0 |
| 2016-05 | 0 | $0 | 29,938 | $304,020 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-04 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 59,843 | 54.91 | 3,285,979 |
| 2025-08-04 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 100,848 | 54.68 | 5,514,671 |
| 2025-06-11 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 6,642 | 28.82 | 191,395 |
| 2025-06-11 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 12,815 | 28.82 | 369,379 |
| 2025-06-06 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 4,744 | 31.83 | 151,011 |
| 2025-06-06 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 7,689 | 31.82 | 244,671 |
| 2025-05-27 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 50,000 | 26.08 | 1,304,050 |
| 2025-05-27 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 122,655 | 26.07 | 3,198,106 |
| 2025-05-20 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 12,815 | 24.49 | 313,877 |
| 2024-11-04 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 50,000 | 28.28 | 1,414,100 |
| 2024-06-11 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 32,000 | 21.68 | 693,760 |
| 2024-06-11 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 37,165 | 21.69 | 806,034 |
| 2024-05-21 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 29,000 | 15.04 | 436,189 |
| 2024-05-21 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 20,559 | 15.04 | 309,269 |
| 2023-06-22 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 29,878 | 5.95 | 177,803 |
| 2023-06-22 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 36,902 | 5.95 | 219,603 |
| 2023-06-21 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 50,132 | 6.15 | 308,512 |
| 2023-06-21 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 73,802 | 6.14 | 453,365 |
| 2022-08-04 | Klein Margaret D. | Buy | 500 | 5.57 | 2,782 |
| 2022-06-10 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 8,473 | 5.97 | 50,626 |
| 2022-06-10 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 32,587 | 5.98 | 194,739 |
| 2022-05-31 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 13,325 | 5.45 | 72,674 |
| 2022-05-31 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 21,725 | 5.45 | 118,488 |
| 2021-12-10 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 22,754 | 11.31 | 257,416 |
| 2021-12-08 | Budhraja Vikram S (Director) | Sale | 3,000 | 11.98 | 35,943 |
| 2021-11-02 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 7,242 | 19.04 | 137,887 |
| 2021-11-01 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 3,766 | 18.95 | 71,384 |
| 2021-11-01 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 7,241 | 18.96 | 137,296 |
| 2021-07-01 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 6,409 | 17.66 | 113,182 |
| 2021-07-01 | Mcgahn Daniel P (Chairman, President and CEO) | Sale | 14,664 | 17.66 | 259,024 |
| 2021-05-24 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 5,794 | 14.18 | 82,141 |
| 2021-01-21 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 25,094 | 27.42 | 687,977 |
| 2020-11-25 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 25,000 | 19.28 | 481,949 |
| 2019-12-19 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 10,287 | 7.63 | 78,500 |
| 2018-12-28 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 12,374 | 10.31 | 127,588 |
| 2018-12-07 | Kosiba John W Jr (SVP, CFO & Treasurer) | Sale | 6,250 | 10.58 | 66,150 |
| 2018-02-09 | Kosiba John W Jr (SVP, CFO & Treasurer) | Buy | 5,000 | .00 | 0 |
| 2017-05-10 | Kosiba John W Jr (SVP, CFO & Treasurer) | Buy | 6,250 | 4.00 | 25,000 |
| 2017-05-10 | Mcgahn Daniel P (President and CEO) | Buy | 25,000 | 4.00 | 100,000 |
| 2017-05-10 | Budhraja Vikram S (Director) | Buy | 12,500 | 4.00 | 50,000 |
| 2017-05-10 | Wood John W Jr (Director) | Buy | 6,250 | 4.00 | 25,000 |
| 2016-12-15 | Oliver David R Jr (Director) | Sale | 2,200 | 7.95 | 17,496 |
| 2016-11-28 | Sande John Vander (Director) | Sale | 500 | 8.05 | 4,026 |
| 2016-06-20 | Henry David A (EVP, CFO & Treasurer) | Sale | 21,800 | 8.42 | 183,598 |
| 2016-06-16 | Henry David A (EVP, CFO & Treasurer) | Sale | 4,650 | 8.18 | 38,022 |
| 2016-05-18 | Maguire James F (EVP, Operations) | Sale | 29,938 | 10.15 | 304,020 |
| 2016-04-06 | Henry David A (EVP, CFO & Treasurer) | Sale | 6,250 | 8.26 | 51,625 |
| 2016-04-05 | Henry David A (EVP, CFO & Treasurer) | Sale | 6,295 | 8.15 | 51,323 |
| 2015-07-31 | Henry David A (EVP, CFO & Treasurer) | Sale | 929 | 5.07 | 4,707 |
| 2015-05-11 | Henry David A (EVP, CFO & Treasurer) | Sale | 405 | 6.47 | 2,621 |
| 2015-04-24 | Douglas James E Iii (Other) | Buy | 660,000 | 6.00 | 3,960,000 |
| 2014-11-11 | Sande John Vander (Director) | Sale | 5,000 | 1.15 | 5,729 |
| 2014-05-08 | Henry David A (EVP, CFO & Treasurer) | Sale | 4,500 | 6.51 | 29,290 |
Insider trading activities including stock purchases, stock sales, and option exercises of AMSC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of American Superconductor Corp /de/ (symbol AMSC, CIK number 880807) see the Securities and Exchange Commission (SEC) website.