USA • New York Stock Exchange • NYSE:AMPY • US03212B1035
| Shares Outstanding | 40.48M |
| Float | 32.83M |
| Float Short Interest Percentage | 9.44% |
| Owners (insider) | 3.44% |
| Owners (institutional) | 41.72% |
| Owners (insider) change | 3.64% |
| Owners (institutional) change | -1.83% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 1, 2026 | France Natasha | Option Excercise | 3100 | 5.02 | $ 15,562.00 |
| Feb 1, 2026 | Lopez Anthony William | Option Excercise | 78282 | $ 0.00 | |
| Feb 1, 2026 | Lopez Anthony William | Option Excercise | 31605 | 5.02 | $ 158,657.10 |
| Feb 1, 2026 | FURBEE DANIEL | Option Excercise | 51580 | $ 0.00 | |
| Feb 1, 2026 | FURBEE DANIEL | Option Excercise | 20297 | 5.02 | $ 101,890.94 |
| Feb 1, 2026 | FREW JAMES | Option Excercise | 50613 | $ 0.00 | |
| Feb 1, 2026 | FREW JAMES | Option Excercise | 19917 | 5.02 | $ 99,983.34 |
| Feb 1, 2026 | Willis Eric M. | Option Excercise | 45243 | $ 0.00 | |
| Feb 1, 2026 | Willis Eric M. | Option Excercise | 17956 | 5.02 | $ 90,139.12 |
| Feb 1, 2026 | France Natasha | Option Excercise | 10449 | $ 0.00 | |
| Jan 6, 2026 | Willis Eric M. | Option Excercise | 29462 | $ 0.00 | |
| Jan 6, 2026 | Willis Eric M. | Option Excercise | 13155 | 4.57 | $ 60,118.35 |
| Jan 6, 2026 | Lopez Anthony William | Option Excercise | 17397 | $ 0.00 | |
| Jan 6, 2026 | Lopez Anthony William | Option Excercise | 7768 | 4.57 | $ 35,499.76 |
| Jan 6, 2026 | FURBEE DANIEL | Option Excercise | 55829 | $ 0.00 | |
| Jan 6, 2026 | FURBEE DANIEL | Option Excercise | 23878 | 4.57 | $ 109,122.46 |
| Nov 14, 2025 | Dulany Eric Edward | Option Excercise | 51050 | $ 0.00 | |
| Nov 14, 2025 | Dulany Eric Edward | Option Excercise | 20090 | 5.63 | $ 113,106.70 |
| Aug 12, 2025 | COGHILL CLINT D | Open Market Purchase | 350000 | 3.82 | $ 1,335,988.85 |
| Jul 1, 2025 | Adams Deborah G | Option Excercise | 19665 | $ 0.00 | |
| Jul 1, 2025 | Snyder Todd R | Option Excercise | 19665 | $ 0.00 | |
| Jul 1, 2025 | Hamm Christopher W. | Option Excercise | 27531 | $ 0.00 | |
| Jun 23, 2025 | Dulany Eric Edward | Open Market Sale | 5500 | 3.65 | $ 20,083.25 |
| Jun 20, 2025 | COGHILL CLINT D | Open Market Purchase | 150000 | 3.67 | $ 550,500.00 |
| Jun 18, 2025 | Hamm Christopher W. | Open Market Purchase | 77176 | 3.67 | $ 283,235.92 |
| Jun 13, 2025 | Prasad Vidisha | Option Excercise | 19665 | $ 0.00 | |
| Jun 13, 2025 | Douglas Patrice D | Option Excercise | 19665 | $ 0.00 | |
| Jun 13, 2025 | Craddock James E | Option Excercise | 19665 | $ 0.00 | |
| Jun 4, 2025 | COGHILL CLINT D | Open Market Purchase | 304000 | 3.28 | $ 997,190.00 |
| May 30, 2025 | FURBEE DANIEL | Open Market Purchase | 10000 | 2.97 | $ 29,747.00 |
| Mar 11, 2025 | Adams Deborah G | Open Market Purchase | 10000 | 4.14 | $ 41,400.00 |
| Mar 7, 2025 | Snyder Todd R | Open Market Purchase | 25000 | 3.83 | $ 95,750.00 |
| Mar 7, 2025 | FREW JAMES | Open Market Purchase | 15000 | 3.85 | $ 57,750.00 |
| Mar 7, 2025 | Willsher Martyn | Open Market Purchase | 15000 | 3.84 | $ 57,600.00 |