NASDAQ:ATRO • US0464331083
| Shares Outstanding | 35.69M |
| Float | 31.18M |
| Float Short Interest Percentage | 11.5% |
| Owners (insider) | 1.52% |
| Owners (institutional) | 98.55% |
| Owners (insider) change | 1.6% |
| Owners (institutional) change | 3.94% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Mar 3, 2026 | PEABODY MARK | Option Excercise | 10850 | 81.35 | $ 882,647.50 |
| Mar 3, 2026 | PEABODY MARK | Option Excercise | 2642 | 81.35 | $ 214,926.70 |
| Mar 3, 2026 | Hedges Nancy L | Option Excercise | 5050 | 81.35 | $ 410,817.50 |
| Mar 3, 2026 | Hedges Nancy L | Option Excercise | 1821 | 81.35 | $ 148,138.35 |
| Mar 3, 2026 | Mulato James | Option Excercise | 11500 | 81.35 | $ 935,525.00 |
| Mar 3, 2026 | Mulato James | Option Excercise | 2801 | 81.35 | $ 227,861.35 |
| Mar 3, 2026 | GUNDERMANN PETER J | Option Excercise | 13550 | 81.35 | $ 1,102,292.50 |
| Mar 3, 2026 | GUNDERMANN PETER J | Option Excercise | 3489 | 81.35 | $ 283,830.15 |
| Mar 3, 2026 | Davis Julie M | Option Excercise | 3000 | 81.35 | $ 244,050.00 |
| Mar 3, 2026 | Davis Julie M | Option Excercise | 1472 | 81.35 | $ 119,747.20 |
| Feb 26, 2026 | BRADY ROBERT T | Option Excercise | 5290 | 22.93 | $ 121,299.70 |
| Feb 26, 2026 | BRADY ROBERT T | Option Excercise | 1539 | 78.84 | $ 121,334.76 |
| Feb 19, 2026 | O''Brien Linda | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 19, 2026 | West Fay | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 19, 2026 | FRISBY JEFFRY D | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 19, 2026 | MORAN MARK J | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 19, 2026 | BRADY ROBERT T | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 19, 2026 | KIM NEIL Y. | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Keane Robert S | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 19, 2026 | JOHNSON WARREN C | Grant | 1533 | 0.00 | $ 0.00 |
| Feb 9, 2026 | PEABODY MARK | Other Disposition | 2500 | 0.00 | $ 0.00 |
| Dec 9, 2025 | FRISBY JEFFRY D | Other Disposition | 500 | 0.00 | $ 0.00 |
| Dec 4, 2025 | FRISBY JEFFRY D | Other Disposition | 500 | 0.00 | $ 0.00 |
| Dec 1, 2025 | Mulato James | Open Market Sale | 9734 | 53.24 | $ 518,238.16 |
| Dec 1, 2025 | FRISBY JEFFRY D | Other Disposition | 1000 | 0.00 | $ 0.00 |
| Nov 26, 2025 | PEABODY MARK | Other Disposition | 650 | 0.00 | $ 0.00 |
| Nov 20, 2025 | GUNDERMANN PETER J | Option Excercise | 18118 | 27.72 | $ 502,230.96 |
| Nov 20, 2025 | GUNDERMANN PETER J | Option Excercise | 11707 | 49.35 | $ 577,740.45 |
| Nov 20, 2025 | GUNDERMANN PETER J | Option Excercise | 18118 | 27.72 | $ 502,230.96 |
| Nov 20, 2025 | GUNDERMANN PETER J | Option Excercise | 11707 | 49.35 | $ 577,740.45 |
| Nov 19, 2025 | PEABODY MARK | Option Excercise | 5951 | 27.72 | $ 164,961.72 |
| Nov 17, 2025 | Hedges Nancy L | Option Excercise | 3600 | 29.68 | $ 106,853.92 |
| Nov 17, 2025 | Hedges Nancy L | Option Excercise | 2049 | 52.15 | $ 106,855.35 |
| Oct 22, 2025 | Mulato James | Option Excercise | 5687 | 27.72 | $ 157,643.64 |
| Sep 30, 2025 | PEABODY MARK | Grant | 1280 | 16.60 | $ 21,248.00 |
| Sep 30, 2025 | Mulato James | Grant | 1280 | 16.60 | $ 21,248.00 |
| Sep 30, 2025 | Hedges Nancy L | Grant | 1280 | 16.60 | $ 21,248.00 |
| Sep 9, 2025 | Mulato James | Other Disposition | 11055 | 0.00 | $ 0.00 |
| Sep 5, 2025 | Mulato James | Open Market Sale | 1129 | 38.16 | $ 43,077.17 |
| Aug 27, 2025 | FRISBY JEFFRY D | Option Excercise | 6055 | 0.00 | $ 0.00 |
| Aug 27, 2025 | Keane Robert S | Option Excercise | 6055 | 0.00 | $ 0.00 |
| Aug 27, 2025 | MORAN MARK J | Option Excercise | 6055 | 0.00 | $ 0.00 |
| Aug 27, 2025 | BRADY ROBERT T | Option Excercise | 6055 | 0.00 | $ 0.00 |
| Aug 27, 2025 | JOHNSON WARREN C | Option Excercise | 6055 | 0.00 | $ 0.00 |
| Aug 27, 2025 | West Fay | Option Excercise | 6055 | 0.00 | $ 0.00 |
| Aug 27, 2025 | KIM NEIL Y. | Option Excercise | 6055 | 0.00 | $ 0.00 |
| May 8, 2025 | Keane Robert S | Open Market Sale | 237700 | 26.93 | $ 6,401,050.00 |
| Mar 18, 2025 | GUNDERMANN PETER J | Option Excercise | 4133 | 24.91 | $ 102,953.03 |
| Mar 18, 2025 | Hedges Nancy L | Option Excercise | 5500 | 24.91 | $ 137,005.00 |
| Mar 18, 2025 | Hedges Nancy L | Option Excercise | 2770 | 24.91 | $ 69,000.70 |
| Mar 18, 2025 | Mulato James | Option Excercise | 9413 | 24.91 | $ 234,477.83 |
| Mar 18, 2025 | Mulato James | Option Excercise | 2293 | 24.91 | $ 57,118.63 |
| Mar 18, 2025 | PEABODY MARK | Option Excercise | 8850 | 24.91 | $ 220,453.50 |
| Mar 18, 2025 | PEABODY MARK | Option Excercise | 3306 | 24.91 | $ 82,352.46 |
| Mar 18, 2025 | GUNDERMANN PETER J | Option Excercise | 11063 | 0.00 | $ 0.00 |