| $1B | ||
| $100M | ||
| $54M | ||
| $40M | ||
| $32M | ||
| $31M |
Buys | $0 | 0 | 0 |
Sells | $1,620,384 | 6 | 100 |
| OLIVER DAVID R JR | director | 0 | $0 | 1 | $6,820 | $-6,820 |
| Dambier Laura A. | director | 0 | $0 | 1 | $150,520 | $-150,520 |
| Kosiba John W JR | SVP, CFO & Treasurer | 0 | $0 | 2 | $455,546 | $-455,546 |
| McGahn Daniel P | Chairman, President and CEO | 0 | $0 | 2 | $1.01M | $-1.01M |
American Superconductor Corporation (AMSC), along with its affiliated entities, delivers robust, large-scale power infrastructure and resiliency solutions across the globe. Its operations are primarily divided into two distinct segments: Grid and Wind. The Grid segment, marketed under the Gridtec Solutions brand, supplies essential products and services designed to empower electric utilities, industrial operations, and renewable energy developers. These offerings facilitate the seamless connection, transmission, and distribution of electrical …
Over the last 12 months, insiders at American Superconductor Corporation have bought $0 and sold $1.62M worth of American Superconductor Corporation stock.
On average, over the past 5 years, insiders at American Superconductor Corporation have bought $112,961 and sold $4.51M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 25,000 shares for transaction amount of $87,268 was made by McGahn Daniel P (Chairman, President and CEO) on 2022‑12‑16.
| 2026-06-11 | Sale | McGahn Daniel P | Chairman, President and CEO | 16,117 0.0344% | $37.45 | $603,503 | -22.98% | |
| 2026-06-11 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 6,769 0.0145% | $37.46 | $253,579 | -22.98% | |
| 2026-06-11 | Sale | Dambier Laura A. | director | 4,000 0.008% | $37.63 | $150,520 | -22.98% | |
| 2026-06-08 | Sale | McGahn Daniel P | Chairman, President and CEO | 9,670 0.0195% | $41.78 | $403,996 | -29.58% | |
| 2026-06-08 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 4,835 0.0098% | $41.77 | $201,967 | -29.58% | |
| 2026-02-24 | Sale | OLIVER DAVID R JR | director | 200 0.0004% | $34.10 | $6,820 | -4.15% | |
| 2025-08-08 | Sale | House Arthur H | director | 9,703 0.0215% | $50.92 | $494,082 | -28.21% | |
| 2025-08-04 | Sale | McGahn Daniel P | Chairman, President and CEO | 100,848 0.2264% | $54.49 | $5.5M | -33.16% | |
| 2025-08-04 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 59,843 0.1349% | $54.70 | $3.27M | -33.16% | |
| 2025-06-11 | Sale | McGahn Daniel P | Chairman, President and CEO | 12,815 0.0312% | $28.58 | $366,242 | +32.09% | |
| 2025-06-11 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 6,642 0.0162% | $28.57 | $189,778 | +32.09% | |
| 2025-06-06 | Sale | McGahn Daniel P | Chairman, President and CEO | 7,689 0.0197% | $31.82 | $244,670 | +23.55% | |
| 2025-06-06 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 4,744 0.0121% | $31.83 | $151,012 | +23.55% | |
| 2025-05-27 | Sale | McGahn Daniel P | Chairman, President and CEO | 122,655 0.2993% | $26.39 | $3.24M | +33.97% | |
| 2025-05-27 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 50,000 0.122% | $26.40 | $1.32M | +33.97% | |
| 2025-05-20 | Sale | McGahn Daniel P | Chairman, President and CEO | 12,815 0.0322% | $24.49 | $313,878 | +46.47% | |
| 2025-05-20 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 11,860 0.0298% | $24.50 | $290,530 | +46.47% | |
| 2024-11-04 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 50,000 0.1331% | $28.28 | $1.41M | +14.63% | |
| 2024-06-11 | Sale | McGahn Daniel P | Chairman, President and CEO | 37,165 0.0992% | $21.69 | $806,046 | +9.68% | |
| 2024-06-11 | Sale | Kosiba John W JR | SVP, CFO & Treasurer | 32,000 0.0854% | $21.68 | $693,750 | +9.68% |
| McGahn Daniel P | Chairman, President and CEO | 1131929 2.3367% | $31.33M | 2 | 22 | +41.18% |
| Kosiba John W JR | SVP, CFO & Treasurer | 334377 0.6903% | $9.26M | 5 | 24 | +51.5% |
| OLIVER DAVID R JR | director | 60707 0.1253% | $1.68M | 2 | 2 | +42.23% |
| DOUGLAS KEVIN | 10 percent owner | 834533 1.7227% | $23.1M | 48 | 0 | <0.0001% |
| BUDHRAJA VIKRAM S | director | 51694 0.1067% | $1.43M | 2 | 1 | <0.0001% |
| WOOD JOHN W JR | director | 25631 0.0529% | $709,466.08 | 2 | 0 | +25.17% |
| Klein Margaret D. | director | 16376 0.0338% | $453,287.68 | 1 | 0 | <0.0001% |
| Increased Positions | 152 | +51.35% | 7M | +20.71% |
| Decreased Positions | 134 | -45.27% | 6M | -19.14% |
| New Positions | 43 | New | 1M | New |
| Sold Out Positions | 69 | Sold Out | 3M | Sold Out |
| Total Postitions | 314 | +6.08% | 33M | +1.57% |
| Blackrock, Inc. | $114,613.00 | 8.07% | 3.63M | +209,257 | +6.12% | 2025-09-30 |
| Vanguard Group Inc | $93,155.00 | 6.56% | 2.95M | +502,754 | +20.55% | 2025-09-30 |
| Baillie Gifford & Co | $45,075.00 | 3.17% | 1.43M | -25,347 | -1.75% | 2025-09-30 |
| Driehaus Capital Management Llc | $38,494.00 | 2.71% | 1.22M | +379,097 | +45.14% | 2025-09-30 |
| Goldman Sachs Group Inc | $37,078.00 | 2.61% | 1.17M | +145,060 | +14.1% | 2025-09-30 |
| State Street Corp | $35,871.00 | 2.52% | 1.14M | +115,713 | +11.34% | 2025-09-30 |
| Geode Capital Management, Llc | $33,786.00 | 2.38% | 1.07M | +129,744 | +13.8% | 2025-09-30 |
| Nuveen, Llc | $26,090.00 | 1.84% | 826,152 | -171,750 | -17.21% | 2025-09-30 |
| Fuller & Thaler Asset Management, Inc. | $25,578.00 | 1.8% | 809,945 | +809,945 | New | 2025-09-30 |
| Atreides Management, Lp | $24,364.00 | 1.71% | 771,495 | -332,963 | -30.15% | 2025-09-30 |