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| Latest Insider Trading | Top Insider Trading Recent Week | Top 10% Owner Trading Recent Week | Filter
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| Ticker | Owner | Relationship | Date | Transaction | Cost |
#Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Aug 04 '25 | Sale | 54.59 | 50,000 | 2,729,456 | 352,890 | Aug 06 04:29 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Aug 04 '25 | Sale | 55.26 | 9,843 | 543,924 | 0 | Aug 06 04:29 PM |
| AMSC | JOHN KOSIBA | Officer | Aug 04 '25 | Proposed Sale | 54.59 | 50,000 | 2,729,455 | Aug 04 04:11 PM | |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jun 11 '25 | Sale | 28.57 | 6,642 | 189,778 | 402,890 | Jun 12 04:19 PM |
| AMSC | JOHN KOSIBA JR. | Officer | Jun 11 '25 | Proposed Sale | 28.57 | 6,642 | 189,779 | Jun 11 04:03 PM | |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jun 06 '25 | Sale | 31.83 | 4,744 | 151,012 | 409,532 | Jun 09 04:57 PM |
| AMSC | JOHN KOSIBA JR. | Officer | Jun 06 '25 | Proposed Sale | 31.83 | 4,744 | 151,012 | Jun 06 04:07 PM | |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | May 27 '25 | Sale | 26.40 | 50,000 | 1,319,757 | 414,276 | May 29 05:22 PM |
| AMSC | JOHN KOSIBA JR. | Officer | May 27 '25 | Proposed Sale | 26.40 | 50,000 | 1,319,755 | May 27 04:06 PM | |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | May 20 '25 | Sale | 24.50 | 11,860 | 290,530 | 464,276 | May 22 04:47 PM |
| AMSC | JOHN KOSIBA JR. | Officer | May 20 '25 | Proposed Sale | 24.50 | 11,860 | 290,528 | May 20 04:08 PM | |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Nov 04 '24 | Sale | 28.28 | 50,000 | 1,414,095 | 356,136 | Nov 06 04:38 PM |
| AMSC | Kosiba John W JR | Officer | Nov 04 '24 | Proposed Sale | 28.28 | 50,000 | 1,414,093 | Nov 05 05:00 PM | |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jun 11 '24 | Sale | 21.68 | 32,000 | 693,750 | 316,136 | Jun 12 09:08 AM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | May 21 '24 | Sale | 14.82 | 29,000 | 429,814 | 348,136 | May 23 04:33 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jun 21 '23 | Sale | 6.15 | 50,132 | 308,532 | 407,014 | Jun 23 04:15 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jun 22 '23 | Sale | 5.95 | 29,878 | 177,816 | 377,136 | Jun 23 04:15 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Dec 16 '22 | Buy | 3.50 | 15,000 | 52,472 | 353,759 | Dec 19 04:18 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Dec 12 '22 | Buy | 3.34 | 25,000 | 83,400 | 338,759 | Dec 13 04:17 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jun 10 '22 | Sale | 5.97 | 8,473 | 50,622 | 188,759 | Jun 13 04:43 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | May 31 '22 | Sale | 5.45 | 13,325 | 72,677 | 197,232 | Jun 02 05:36 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Dec 10 '21 | Sale | 11.31 | 22,754 | 257,407 | 210,557 | Dec 13 04:53 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Nov 01 '21 | Sale | 18.95 | 3,766 | 71,383 | 240,553 | Nov 02 04:26 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Nov 02 '21 | Sale | 18.79 | 7,242 | 136,078 | 233,311 | Nov 02 04:26 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jul 01 '21 | Sale | 17.66 | 6,409 | 113,183 | 232,376 | Jul 06 05:14 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | May 24 '21 | Sale | 14.18 | 5,794 | 82,142 | 238,785 | May 24 05:38 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Jan 21 '21 | Sale | 27.55 | 25,094 | 691,312 | 214,579 | Jan 22 04:39 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Nov 25 '20 | Sale | 19.28 | 25,000 | 481,960 | 239,673 | Nov 30 05:32 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Dec 19 '19 | Sale | 7.63 | 10,287 | 78,496 | 200,171 | Dec 23 05:07 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Dec 28 '18 | Sale | 10.31 | 12,374 | 127,592 | 193,912 | Jan 02 04:52 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | Dec 07 '18 | Sale | 10.58 | 6,250 | 66,148 | 206,286 | Dec 11 04:53 PM |
| AMSC | Kosiba John W JR | SVP, CFO & Treasurer | May 10 '17 | Buy | 4.00 | 6,250 | 25,000 | 43,633 | May 12 04:26 PM |
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