TransDigm Group Inc. planned insider sales
In the twelve months since 23 September 2025 insiders at TransDigm Group Inc. filed 27 Form 144 notices of planned sales, 399,256 shares worth $532.8 million at the time of filing, from 7 sellers. The latest, filed 15 September 2026: Joel Reiss (officer), 8,000 shares worth $8.9 million, planned for around 15 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 15 September 2026 | Joel Reiss | Officer | 8,000 | $8.9 million | 15 September 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 7 August 2026 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 37,690 | $47.6 million | 7 August 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 18 June 2026 | Howley W Nicholas | Officer | 30,396 | $40.1 million | 18 June 2026 | Stifel Nicolaus & Company Inc | Stock Option Exercise | Form 144 |
| 15 June 2026 | Joel Reiss | Officer | 11,700 | $14.7 million | 15 June 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 18 February 2026 | Howley W Nicholas | Officer | 40,564 | $53.0 million | 18 February 2026 | Stifel Nicolaus & Company Inc | Stock Option Exercise | Form 144 |
| 17 February 2026 | Joel Reiss | Officer | 15,600 | $20.1 million | 17 February 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 2 February 2026 | Patrick J. Murphy | Officer | 1,160 | $1.7 million | 2 February 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 2 February 2026 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 48,000 | $68.5 million | 2 February 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 14 January 2026 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 7,627 | $10.5 million | 14 January 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 8 January 2026 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 17,373 | $24.1 million | 8 January 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 5 January 2026 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 25,000 | $34.0 million | 5 January 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 2 January 2026 | Patrick J. Murphy | Officer | 290 | $385,656 | 2 January 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 10 December 2025 | Robert Small | Director | 4,700 | $6.1 million | 10 December 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of options under a registered plan | Form 144 |
| 9 December 2025 | Stockbridge Partners LLC | May be deemed affiliate | 100,000 | $134.7 million | 9 December 2025 | Goldman, Sachs & Co. | Open market purchases | Form 144 |
| 4 December 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 17,526 | $23.4 million | 4 December 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 1 December 2025 | Patrick J. Murphy | Officer | 290 | $394,449 | 1 December 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 28 November 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 4,592 | $6.2 million | 28 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 26 November 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 30 | $40,576 | 26 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 25 November 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Director | 4,187 | $5.6 million | 25 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 21 November 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Officer | 230 | $305,410 | 21 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 20 November 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Officer | 1,104 | $1.5 million | 20 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 18 November 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Officer | 7,191 | $9.6 million | 18 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 17 November 2025 | Howley W Nicholas | Officer | 2,736 | $3.7 million | 17 November 2025 | Stifel Nicolaus & Company Inc | Stock Option Exercise | Form 144 |
| 17 November 2025 | Joel Reiss | Officer | 11,700 | $15.7 million | 17 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 3 November 2025 | Patrick J. Murphy | Officer | 290 | $379,468 | 3 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 27 October 2025 | Patrick Joseph Murphy | Officer | 580 | $788,394 | 27 October 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
| 27 October 2025 | The Fortuna Trust U/T/A Dtd 06/01/2018 | Officer | 700 | $951,510 | 27 October 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Exercise of Stock Options | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.
Source
Form 144 filings on EDGAR for TransDigm Group Inc.: the company's filing index, each notice read from its own XML.
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