American Superconductor Corporation(AMSC)
Electrical Components & Equipment
Power Conversion Equipment
| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-12 | Dambier Laura A. Director | Sale | -4,000 | -21.06%14,992 | $37.63 | $150,520 | View SEC filing | |
| 2026-06-11 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -6,769 | -1.98%334,377 | $37.46 | $253,579 | View SEC filing | |
| 2026-06-11 | McGahn Daniel P Chairman, President and CEO | Sale | -16,117 | -1.40%1,131,929 | $37.45 | $603,503 | View SEC filing | |
| 2026-06-10 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -4,835 | -1.40%341,146 | $41.77 | $201,967 | View SEC filing | |
| 2026-06-10 | McGahn Daniel P Chairman, President and CEO | Sale | -9,670 | -0.84%1,148,046 | $41.78 | $403,996 | View SEC filing | |
| 2026-06-03 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -36,909 | -9.64%345,981 | $50.45 | $1,862,034 | View SEC filing | |
| 2026-06-03 | McGahn Daniel P Chairman, President and CEO | Sale | -85,418 | -6.87%1,157,716 | $50.49 | $4,313,154 | View SEC filing | |
| 2026-02-26 | OLIVER DAVID R JR Director | Sale | -200 | -0.33%60,707 | $34.10 | $6,820 | View SEC filing | |
| 2025-11-13 | OLIVER DAVID R JR Director | Purchase | +200 | +0.33%60,907 | $8.33 | $1,666 | View SEC filing | |
| 2025-08-08 | House Arthur H Director | Sale | -9,703 | -16.62%48,663 | $50.92 | $494,082 | View SEC filing | |
| 2025-08-06 | Klein Margaret D. Director | Purchase | +500 | +3.15%16,376 | $5.57 | $2,783 | View SEC filing | |
| 2025-08-06 | McGahn Daniel P Chairman, President and CEO | Sale | -100,848 | -7.85%1,183,134 | $54.49 | $5,495,526 | View SEC filing | |
| 2025-08-06 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -59,843 | -14.50%352,890 | $54.70 | $3,273,380 | View SEC filing | |
| 2025-06-12 | McGahn Daniel P Chairman, President and CEO | Sale | -12,815 | -0.99%1,283,982 | $28.58 | $366,242 | View SEC filing | |
| 2025-06-12 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -6,642 | -1.62%402,890 | $28.57 | $189,778 | View SEC filing | |
| 2025-06-09 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -4,744 | -1.15%409,532 | $31.83 | $151,012 | View SEC filing | |
| 2025-06-09 | McGahn Daniel P Chairman, President and CEO | Sale | -7,689 | -0.59%1,296,797 | $31.82 | $244,670 | View SEC filing | |
| 2025-05-29 | McGahn Daniel P Chairman, President and CEO | Sale | -122,655 | -8.59%1,304,486 | $26.39 | $3,236,835 | View SEC filing | |
| 2025-05-29 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -50,000 | -10.77%414,276 | $26.40 | $1,319,757 | View SEC filing | |
| 2025-05-22 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -11,860 | -2.49%464,276 | $24.50 | $290,530 | View SEC filing | |
| 2025-05-22 | McGahn Daniel P Chairman, President and CEO | Sale | -12,815 | -0.89%1,427,141 | $24.49 | $313,878 | View SEC filing | |
| 2024-11-06 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -50,000 | -12.31%356,136 | $28.28 | $1,414,095 | View SEC filing | |
| 2024-06-12 | McGahn Daniel P Chairman, President and CEO | Sale | -37,165 | -3.52%1,019,956 | $21.69 | $806,046 | View SEC filing | |
| 2024-06-12 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -32,000 | -9.19%316,136 | $21.68 | $693,750 | View SEC filing | |
| 2024-05-23 | Kosiba John W JR SVP, CFO & Treasurer | Sale | -29,000 | -7.69%348,136 | $14.82 | $429,814 | View SEC filing |
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