AMERICAN SUPERCONDUCTOR CORP /DE/ - AMSC
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Jun 12, 2026 | — | S | D | 4,000.0 | 37.63 | 150,520.0 | 14,992.0 | View | |
| Jun 11, 2026 | SVP, CFO & Treasurer | S | D | 1,743.0 | 37.8516 | 65,975.34 | 334,377.0 | View | |
| Jun 11, 2026 | SVP, CFO & Treasurer | S | D | 5,026.0 | 37.3267 | 187,603.99 | 336,120.0 | View | |
| Jun 11, 2026 | Chairman, President and CEO | S | D | 4,609.0 | 37.8511 | 174,455.72 | 1,131,929.0 | View | |
| Jun 11, 2026 | Chairman, President and CEO | S | D | 11,508.0 | 37.2825 | 429,047.01 | 1,136,538.0 | View | |
| Jun 10, 2026 | SVP, CFO & Treasurer | S | D | 1,549.0 | 42.347 | 65,595.5 | 341,146.0 | View | |
| Jun 10, 2026 | SVP, CFO & Treasurer | S | D | 3,286.0 | 41.5007 | 136,371.3 | 342,695.0 | View | |
| Jun 10, 2026 | Chairman, President and CEO | S | D | 4,678.0 | 42.1935 | 197,381.19 | 1,148,046.0 | View | |
| Jun 10, 2026 | Chairman, President and CEO | S | D | 4,992.0 | 41.3891 | 206,614.39 | 1,152,724.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | S | D | 609.0 | 50.8258 | 30,952.91 | 345,981.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | S | D | 2,638.0 | 49.2846 | 130,012.77 | 346,590.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | S | D | 3,200.0 | 48.3069 | 154,582.08 | 349,228.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | S | D | 600.0 | 52.1917 | 31,315.02 | 352,428.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | S | D | 12,036.0 | 51.466 | 619,444.78 | 353,028.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | S | D | 12,122.0 | 50.6188 | 613,601.09 | 365,064.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | S | D | 5,704.0 | 49.461 | 282,125.54 | 377,186.0 | View | |
| Jun 03, 2026 | SVP, CFO & Treasurer | A | A | 30,000.0 | 0.0 | 0.0 | 382,890.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 817.0 | 50.99 | 41,658.83 | 1,157,716.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 500.0 | 50.288 | 25,144.0 | 1,158,533.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 4,501.0 | 49.2541 | 221,692.7 | 1,159,033.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 7,075.0 | 48.3066 | 341,769.2 | 1,163,534.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 2,305.0 | 52.1361 | 120,173.71 | 1,170,609.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 28,558.0 | 51.4586 | 1,469,554.7 | 1,172,914.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 27,900.0 | 50.6314 | 1,412,616.06 | 1,201,472.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | S | D | 13,762.0 | 49.451 | 680,544.66 | 1,229,372.0 | View | |
| Jun 03, 2026 | Chairman, President and CEO | A | A | 60,000.0 | 0.0 | 0.0 | 1,243,134.0 | View | |
| Apr 07, 2026 | — | A | A | 2,665.0 | 0.0 | 0.0 | 2,665.0 | View | |
| Apr 07, 2026 | — | A | A | 3,116.0 | 0.0 | 0.0 | 63,823.0 | View | |
| Apr 07, 2026 | — | A | A | 3,116.0 | 0.0 | 0.0 | 35,427.0 | View | |
| Apr 07, 2026 | — | A | A | 3,116.0 | 0.0 | 0.0 | 19,492.0 | View | |
| Apr 07, 2026 | — | A | A | 3,116.0 | 0.0 | 0.0 | 51,779.0 | View | |
| Apr 07, 2026 | — | A | A | 3,116.0 | 0.0 | 0.0 | 18,992.0 | View | |
| Feb 26, 2026 | — | S | D | 200.0 | 34.1 | 6,820.0 | 60,707.0 | View |