| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 0 | ||||
| Sells | 4 | -399,814 | 100% | $38.47 | -$15,382,510 |
| Net | -4 | -399,814 | -100% | -$15,382,510 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Daniel P. McGahn | Chairman, President and CEO, Director | $65,717,243 | -$9,657,151 | -13% | 04 Aug 2025 |
| John W. Kosiba Jr. | SVP, CFO & Treasurer | $19,454,543 | -$5,224,458 | -21% | 04 Aug 2025 |
| Arthur H. House | Director | $2,477,944 | -$494,082 | -17% | 06 Aug 2025 |
| David R. Oliver Jr. | Director | $2,070,108 | -$6,820 | -0.33% | 24 Feb 2026 |
| Barbara G. Littlefield | Director | $913,816 | 03 Apr 2025 | ||
| Laura A. Dambier | Director | $449,003 | 03 Apr 2025 | ||
| Vikram S. Budhraja | Director | $352,876 | 10 Jun 2022 | ||
| Margaret D. Klein | Director | $91,132 | 03 Apr 2025 | ||
| Terence Robert Donnelly | Director | 27 May 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| David R. Oliver Jr. | AMSC | Common Stock | Sale | -0.33% | $6,820 | $34.10 | -200 | 60,707 | 24 Feb 2026 | Direct |
| Arthur H. House | AMSC | Common Stock | Sale | -16.6% | $494,082 | $50.92 | -9,703 | 48,663 | 08 Aug 2025 | Direct |
| Arthur H. House | AMSC | Common Stock | Options Exercise | 19.9% | 9,703 | 58,366 | 06 Aug 2025 | Direct | ||
| Arthur H. House | AMSC | Stock Options (Right to Buy) | Options Exercise | -100% | -9,703 | 0 | 06 Aug 2025 | Direct | ||
| Daniel P. McGahn | AMSC | Common Stock | Sale | -7.85% | $5,495,526 | $54.49 | -100,848 | 1,183,134 | 04 Aug 2025 | Direct |
| John W. Kosiba Jr. | AMSC | Common Stock | Sale | -100% | $543,924 | $55.26 | -9,843 | 0 | 04 Aug 2025 | By 401(k) plan |
| John W. Kosiba Jr. | AMSC | Common Stock | Sale | -12.4% | $2,729,456 | $54.59 | -50,000 | 352,890 | 04 Aug 2025 | Direct |
| Daniel P. McGahn | AMSC | Common Stock | Sale | -0.99% | $366,242 | $28.58 | -12,815 | 1,283,982 | 11 Jun 2025 | Direct |
| John W. Kosiba Jr. | AMSC | Common Stock | Sale | -1.62% | $189,778 | $28.57 | -6,642 | 402,890 | 11 Jun 2025 | Direct |
| John W. Kosiba Jr. | AMSC | Common Stock | Sale | -1.15% | $151,012 | $31.83 | -4,744 | 409,532 | 06 Jun 2025 | Direct |
| Daniel P. McGahn | AMSC | Common Stock | Sale | -0.59% | $244,670 | $31.82 | -7,689 | 1,296,797 | 06 Jun 2025 | Direct |
| Daniel P. McGahn | AMSC | Common Stock | Sale | -8.59% | $3,236,835 | $26.39 | -122,655 | 1,304,486 | 27 May 2025 | Direct |
| John W. Kosiba Jr. | AMSC | Common Stock | Sale | -10.8% | $1,319,757 | $26.40 | -50,000 | 414,276 | 27 May 2025 | Direct |
| Terence Robert Donnelly | AMSC | Stock Options (Right to Buy) | Award | 2,112 | 2,112 | 27 May 2025 | Direct | |||
| John W. Kosiba Jr. | AMSC | Common Stock | Sale | -2.49% | $290,530 | $24.50 | -11,860 | 464,276 | 20 May 2025 | Direct |
| Daniel P. McGahn | AMSC | Common Stock | Sale | -0.89% | $313,878 | $24.49 | -12,815 | 1,427,141 | 20 May 2025 | Direct |
| John W. Kosiba Jr. | AMSC | Common Stock | Award | 33.7% | 120,000 | 476,136 | 15 May 2025 | Direct | ||
| Daniel P. McGahn | AMSC | Common Stock | Award | 20% | 240,000 | 1,439,956 | 15 May 2025 | Direct | ||
| David R. Oliver Jr. | AMSC | Common Stock | Award | 4.54% | 2,639 | 60,707 | 03 Apr 2025 | Direct | ||
| Barbara G. Littlefield | AMSC | Common Stock | Award | 8.89% | 2,639 | 32,311 | 03 Apr 2025 | Direct | ||
| Margaret D. Klein | AMSC | Common Stock | Award | 19.9% | 2,639 | 15,876 | 03 Apr 2025 | Direct | ||
| Arthur H. House | AMSC | Common Stock | Award | 5.73% | 2,639 | 48,663 | 03 Apr 2025 | Direct | ||
| Laura A. Dambier | AMSC | Common Stock | Award | 19.9% | 2,639 | 15,876 | 03 Apr 2025 | Direct |