The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Kosiba John W Jr since 2017.
This trader's CIK number is 1703463.
At the time of last reporting, Kosiba John W Jr was the SVP, CFO & Treasurer of American Superconductor Corp /de/. (stock ticker symbol AMSC).
Also see all insider trading activities at American Superconductor Corp /de/.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | AMSC | 0 | $0 | 121,229 | $4,932,435 | 0 | $0 |
| 2024 | AMSC | 0 | $0 | 111,000 | $2,544,049 | 0 | $0 |
| 2023 | AMSC | 0 | $0 | 80,010 | $486,315 | 0 | $0 |
| 2022 | AMSC | 0 | $0 | 21,798 | $123,300 | 0 | $0 |
| 2021 | AMSC | 0 | $0 | 71,059 | $1,349,987 | 0 | $0 |
| 2020 | AMSC | 0 | $0 | 25,000 | $481,949 | 0 | $0 |
| 2019 | AMSC | 0 | $0 | 22,661 | $206,088 | 0 | $0 |
| 2018 | AMSC | 5,000 | $0 | 6,250 | $66,150 | 0 | $0 |
| 2017 | AMSC | 6,250 | $25,000 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-04 | AMSC | Sale | 59,843 | 54.91 | 3,285,979 |
| 2025-06-11 | AMSC | Sale | 6,642 | 28.82 | 191,395 |
| 2025-06-06 | AMSC | Sale | 4,744 | 31.83 | 151,011 |
| 2025-05-27 | AMSC | Sale | 50,000 | 26.08 | 1,304,050 |
| 2024-11-04 | AMSC | Sale | 50,000 | 28.28 | 1,414,100 |
| 2024-06-11 | AMSC | Sale | 32,000 | 21.68 | 693,760 |
| 2024-05-21 | AMSC | Sale | 29,000 | 15.04 | 436,189 |
| 2023-06-21 | AMSC | Sale | 50,132 | 6.15 | 308,512 |
| 2023-06-22 | AMSC | Sale | 29,878 | 5.95 | 177,803 |
| 2022-06-10 | AMSC | Sale | 8,473 | 5.97 | 50,626 |
| 2022-05-31 | AMSC | Sale | 13,325 | 5.45 | 72,674 |
| 2021-12-10 | AMSC | Sale | 22,754 | 11.31 | 257,416 |
| 2021-11-01 | AMSC | Sale | 3,766 | 18.95 | 71,384 |
| 2021-11-02 | AMSC | Sale | 7,242 | 19.04 | 137,887 |
| 2021-07-01 | AMSC | Sale | 6,409 | 17.66 | 113,182 |
| 2021-05-24 | AMSC | Sale | 5,794 | 14.18 | 82,141 |
| 2021-01-21 | AMSC | Sale | 25,094 | 27.42 | 687,977 |
| 2020-11-25 | AMSC | Sale | 25,000 | 19.28 | 481,949 |
| 2019-12-19 | AMSC | Sale | 10,287 | 7.63 | 78,500 |
| 2018-12-28 | AMSC | Sale | 12,374 | 10.31 | 127,588 |
| 2018-12-07 | AMSC | Sale | 6,250 | 10.58 | 66,150 |
| 2018-02-09 | AMSC | Buy | 5,000 | .00 | 0 |
| 2017-05-10 | AMSC | Buy | 6,250 | 4.00 | 25,000 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Kosiba John W Jr (SVP, CFO & Treasurer of American Superconductor Corp /de/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.