TransDigm Group Inc. insider trading
In the last twelve months insiders at TransDigm Group Inc. filed 510 open-market sales worth $483.6 million and 2 open-market purchases worth $1.2 million, on Form 4 with the SEC. The latest: Reiss Joel, Co-Chief Operating Officer, sold 310 shares at $1,082.96 on 15 September 2026, filed 16 September 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 310 | $1,082.96 | $335,719 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 170 | $1,083.67 | $184,224 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 240 | $1,084.87 | $260,369 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 110 | $1,086.27 | $119,490 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 120 | $1,087.49 | $130,499 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 10 | $1,088.06 | $10,881 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 70 | $1,090.06 | $76,304 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 100 | $1,091.00 | $109,100 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 170 | $1,092.13 | $185,662 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 282 | $1,093.10 | $308,255 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 383 | $1,094.06 | $419,025 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 225 | $1,095.11 | $246,399 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 196 | $1,096.17 | $214,849 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 294 | $1,097.26 | $322,595 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 150 | $1,098.41 | $164,761 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 90 | $1,099.14 | $98,923 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 60 | $1,100.41 | $66,024 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 166 | $1,101.52 | $182,853 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 274 | $1,102.49 | $302,082 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 210 | $1,103.44 | $231,722 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 125 | $1,104.58 | $138,072 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 5 | $1,105.28 | $5,526 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 40 | $1,106.69 | $44,267 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 30 | $1,108.34 | $33,250 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 30 | $1,112.38 | $33,371 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 20 | $1,113.37 | $22,267 | Form 4 |
| 15 September 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 20 | $1,118.99 | $22,380 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 204 | $1,225.60 | $250,023 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 70 | $1,227.62 | $85,934 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 290 | $1,229.09 | $356,437 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 570 | $1,230.02 | $701,111 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 830 | $1,231.12 | $1.0 million | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 1,055 | $1,232.01 | $1.3 million | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 450 | $1,233.30 | $554,987 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 270 | $1,234.69 | $333,366 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 140 | $1,236.12 | $173,057 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 250 | $1,236.89 | $309,224 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 520 | $1,238.08 | $643,803 | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 3,980 | $1,239.17 | $4.9 million | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 1,313 | $1,240.42 | $1.6 million | Form 4 |
| 18 August 2026 | Howley W Nicholas | Director | Sale | 190 | $1,241.14 | $235,816 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 140 | $1,232.82 | $172,594 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 260 | $1,233.87 | $320,806 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 327 | $1,234.93 | $403,821 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 373 | $1,235.86 | $460,975 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 671 | $1,236.80 | $829,892 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 499 | $1,237.87 | $617,696 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 340 | $1,238.84 | $421,204 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 400 | $1,239.99 | $495,997 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 120 | $1,240.78 | $148,893 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 112 | $1,242.28 | $139,136 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 138 | $1,243.03 | $171,538 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 100 | $1,243.91 | $124,391 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 145 | $1,245.29 | $180,566 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 37 | $1,245.90 | $46,098 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 48 | $1,247.31 | $59,871 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 60 | $1,248.26 | $74,895 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 20 | $1,250.82 | $25,016 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 80 | $1,252.11 | $100,169 | Form 4 |
| 17 August 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 30 | $1,253.08 | $37,592 | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 570 | $1,210.32 | $689,885 | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 240 | $1,211.46 | $290,750 | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 1,720 | $1,212.73 | $2.1 million | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 1,437 | $1,213.88 | $1.7 million | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 1,561 | $1,214.74 | $1.9 million | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 260 | $1,215.62 | $316,060 | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 603 | $1,217.01 | $733,856 | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 1,463 | $1,218.58 | $1.8 million | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 1,243 | $1,219.48 | $1.5 million | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 130 | $1,220.57 | $158,674 | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 465 | $1,222.32 | $568,378 | Form 4 |
| 20 July 2026 | Howley W Nicholas | Director | Sale | 440 | $1,224.14 | $538,621 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 190 | $1,230.06 | $233,711 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 70 | $1,231.09 | $86,177 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 144 | $1,232.34 | $177,457 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 10 | $1,233.38 | $12,334 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 10 | $1,195.20 | $11,952 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 70 | $1,197.85 | $83,850 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 80 | $1,198.80 | $95,904 | Form 4 |
| 15 July 2026 | Reiss Joel | Co-Chief Operating Officer | Sale | 156 | $1,200.14 | $187,222 | Form 4 |
Open-market purchases (code P) and sales (code S) only. Option exercises, grants, tax withholding and gifts are not shown. A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for TransDigm Group Inc.: the company's filing index.
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