As of April 11, 2026, the three largest insider holders of ATRO are Robert S Keane (Director, 208.20K shares), Mark Peabody (Vp Astronics Advanced Electron, 191.99K shares), Mark Peabody (Executive Vp Pres Aerospace, 183.44K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Robert S Keane | - | 0 | 208,199 | 12 May, 2025 |
| Mark Peabody | Vp Astronics Advanced Electron | 191,994 | 0 | 02 Feb, 2023 |
| Mark Peabody | Executive Vp Pres Aerospace | 183,445 | 0 | 11 Feb, 2026 |
| Mark Peabody | Executive Vp Pres Aerospace | 62,383 | 0 | 05 Mar, 2026 |
| David C Burney | Vp Finance, Cfo | 61,307 | 0 | 02 Oct, 2024 |
| David C Burney | Vp Finance, Cfo | 51,436 | 0 | 02 Oct, 2023 |
| Jeffry D Frisby | - | 47,056 | 0 | 23 Feb, 2026 |
| Mark J Moran | - | 44,056 | 0 | 23 Feb, 2026 |
| Robert S Keane | - | 0 | 37,700 | 07 Jun, 2023 |
| James S Kramer | Vp Luminescent Systems, Inc. | 36,941 | 0 | 02 Oct, 2024 |
| James Mulato | - | 35,777 | 0 | 05 Mar, 2026 |
| Mark Peabody | Vp Astronics Advanced Electron | 32,545 | 0 | 02 Oct, 2023 |
| Nancy L Hedges | Principal Accounting Officer | 32,049 | 0 | 05 Mar, 2026 |
| Robert S Keane | - | 27,900 | 0 | 23 Aug, 2023 |
| James S Kramer | Executive Vice President | 26,114 | 0 | 02 Oct, 2023 |
| Linda O'Brien | - | 21,372 | 0 | 23 Feb, 2026 |
| James Mulato | - | 20,662 | 0 | 02 Oct, 2023 |
| Nancy L Hedges | Principal Accounting Officer | 16,943 | 0 | 02 Oct, 2023 |
| Robert S Keane | - | 13,934 | 0 | 23 Feb, 2026 |
| Michael C Kuehn | Executive Vice President | 13,210 | 0 | 14 May, 2024 |
| Fay West | - | 7,588 | 0 | 23 Feb, 2026 |
| Julie M Davis | Secretary | 7,466 | 0 | 05 Mar, 2026 |
| James Mulato | - | 2,453 | 0 | 23 Oct, 2025 |
| Nancy L Hedges | Principal Accounting Officer | 1,287 | 0 | 19 Nov, 2025 |
| James Mulato | - | 749 | 0 | 15 Mar, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 03 Mar, 2026 | Julie M Davis | $.01 PV Com Stk | A | 3,000 | $81.35 | 8,938 | D | M |
| 03 Mar, 2026 | Mark Peabody | $.01 PV Com Stk | A | 10,850 | $81.35 | 65,025 | D | M |
| 03 Mar, 2026 | Julie M Davis | $.01 PV Com Stk | D | 1,472 | $81.35 | 7,466 | D | F |
| 03 Mar, 2026 | Nancy L Hedges | $.01 PV Com Stk | A | 5,050 | $81.35 | 33,870 | D | M |
| 03 Mar, 2026 | Mark Peabody | $.01 PV Com Stk | D | 2,642 | $81.35 | 62,383 | D | F |
| 03 Mar, 2026 | James Mulato | $.01 PV Com Stk | A | 11,500 | $81.35 | 38,578 | D | M |
| 03 Mar, 2026 | James Mulato | $.01 PV Com Stk | D | 2,801 | $81.35 | 35,777 | D | F |
| 03 Mar, 2026 | Nancy L Hedges | $.01 PV Com Stk | D | 1,821 | $81.35 | 32,049 | D | F |
| 03 Mar, 2026 | Julie M Davis | Restricted Stock Unit | D | 3,000 | $0.00 | 0 | D | M |
| 03 Mar, 2026 | Nancy L Hedges | Restricted Stock Unit | D | 5,050 | $0.00 | 0 | D | M |
| 03 Mar, 2026 | James Mulato | Restricted Stock Unit | D | 11,500 | $0.00 | 0 | D | M |
| 03 Mar, 2026 | Mark Peabody | Restricted Stock Unit | D | 10,850 | $0.00 | 0 | D | M |
| 19 Feb, 2026 | Jeffry D Frisby | $.01 PV Com Stk | A | 1,533 | $0.00 | 47,056 | D | A |
| 19 Feb, 2026 | Linda O'Brien | $.01 PV Com Stk | A | 1,533 | $0.00 | 21,372 | D | A |
| 19 Feb, 2026 | Robert S Keane | $.01 PV Com Stk | A | 1,533 | $0.00 | 13,934 | D | A |
| 19 Feb, 2026 | Mark J Moran | $.01 PV Com Stk | A | 1,533 | $0.00 | 44,056 | D | A |
| 19 Feb, 2026 | Fay West | $.01 PV Com Stk | A | 1,533 | $0.00 | 7,588 | D | A |
| 19 Feb, 2026 | Nancy L Hedges | Restricted Stock Unit | A | 12,150 | $0.00 | 12,150 | D | A |
| 19 Feb, 2026 | Mark Peabody | Restricted Stock Unit | A | 7,675 | $0.00 | 7,675 | D | A |
| 19 Feb, 2026 | James Mulato | Restricted Stock Unit | A | 7,675 | $0.00 | 7,675 | D | A |