17 insiders reported 847 Form 4 transactions for TransDigm Group INC (TDG) over the past 18 months (most recent 2026-09-22). Recent activity: SMALL ROBERT J (Director) Buy 0 shares, MCCULLOUGH GARY E (Director) Buy 41 shares, HENNESSY SEAN P (Director) Buy 46 shares, SMALL ROBERT J (Director) Buy 52 shares, BARR DAVID (Director) Buy 46 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-22 | SMALL ROBERT J | Director | Buy | 0 | $0 |
| 2026-09-21 | MCCULLOUGH GARY E | Director | Buy | 41 | $44,485 |
| 2026-09-21 | HENNESSY SEAN P | Director | Buy | 46 | $49,910 |
| 2026-09-21 | SMALL ROBERT J | Director | Buy | 52 | $56,420 |
| 2026-09-21 | BARR DAVID | Director | Buy | 46 | $49,910 |
| 2026-09-21 | Graff Michael | Director | Buy | 34 | $36,890 |
| 2026-09-21 | Howley W Nicholas | Director | Buy | 126 | $136,710 |
| 2026-09-21 | Palmer Peter | Director | Buy | 34 | $36,890 |
| 2026-09-21 | CRONIN JANE M. | Director | Buy | 34 | $36,890 |
| 2026-09-21 | Krasik Irina Igorevna | Director | Buy | 13 | $14,105 |
| 2026-09-21 | Santana Michele | Director | Buy | 34 | $36,890 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 196 | $214,849 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Buy | 3,900 | $1.1M |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 170 | $184,224 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 240 | $260,369 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 110 | $119,490 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 120 | $130,499 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 10 | $10,881 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 70 | $76,304 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 100 | $109,100 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 170 | $185,662 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 282 | $308,255 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 383 | $419,025 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 225 | $246,399 |
| 2026-09-16 | Reiss Joel | Co-Chief Operating Officer | Sell | 310 | $335,719 |
来源：SEC Form 4 申报文件 · 截至 2026-09-22