Form 4 for TDG TransDigm Group
Accepted 2026-02-03 00:00:00 ET · period of report 2026-02-02 · accession 0001193125-26-035714 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMTI | 2026-02-03 | 2026-02-02 | TDG | Stein Kevin M | Dir | S - Sale+OE | $1,425.78 | -36.9K | 55.2K | -40% | -$52.65M |
| DMTI | 2026-02-03 | 2026-02-02 | TDG | Stein Kevin M | Dir | M - OptEx | $341.77 | +48.0K | 33.2K | New | +$16.41M |
| DMTI | 2026-02-03 | 2026-02-02 | TDG | Stein Kevin M | Dir | M - OptEx | $0.00 | -48.0K | 20.0K | -71% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-02-02 | S | D | 2 | $1,416.40 | 55,604 | I Fortuna Trust dated June 1, 2018 | — | — | (F7) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,416.3300 - $1,416.4600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 2 | Common | Common Stock | 2026-02-02 | S | D | 48 | $1,417.44 | 55,556 | I Fortuna Trust dated June 1, 2018 | — | — | (F8) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,417.4150 - $1,417.5900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 3 | Common | Common Stock | 2026-02-02 | S | D | 112 | $1,419.43 | 55,444 | I Fortuna Trust dated June 1, 2018 | — | — | (F9) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,418.8500 - $1,419.7000. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 4 | Common | Common Stock | 2026-02-02 | S | D | 40 | $1,404.68 | 56,118 | I Fortuna Trust dated June 1, 2018 | — | — | |
| 5 | Common | Common Stock | 2026-02-02 | S | D | 861 | $1,421.73 | 54,360 | I Fortuna Trust dated June 1, 2018 | — | — | (F11) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,421.0200 - $1,422.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 6 | Common | Common Stock | 2026-02-02 | S | D | 2,141 | $1,422.48 | 52,219 | I Fortuna Trust dated June 1, 2018 | — | — | (F12) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,422.0200 - $1,423.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 7 | Common | Common Stock | 2026-02-02 | S | D | 3,997 | $1,423.66 | 48,222 | I Fortuna Trust dated June 1, 2018 | — | — | (F13) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,423.0200 - $1,424.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 8 | Common | Common Stock | 2026-02-02 | S | D | 4,859 | $1,424.47 | 43,363 | I Fortuna Trust dated June 1, 2018 | — | — | (F14) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,424.0300 - $1,425.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 9 | Common | Common Stock | 2026-02-02 | S | D | 5,906 | $1,425.57 | 37,457 | I Fortuna Trust dated June 1, 2018 | — | — | (F15) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,425.0300 - $1,426.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 10 | Common | Common Stock | 2026-02-02 | S | D | 5,665 | $1,426.61 | 31,792 | I Fortuna Trust dated June 1, 2018 | — | — | (F16) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,426.0300 - $1,427.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 11 | Common | Common Stock | 2026-02-02 | S | D | 6,665 | $1,427.38 | 25,127 | I Fortuna Trust dated June 1, 2018 | — | — | (F17) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,427.0300 - $1,428.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 12 | Common | Common Stock | 2026-02-02 | S | D | 2,067 | $1,428.64 | 23,060 | I Fortuna Trust dated June 1, 2018 | — | — | (F18) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,428.0300 - $1,429.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 13 | Common | Common Stock | 2026-02-02 | S | D | 1,810 | $1,429.61 | 21,250 | I Fortuna Trust dated June 1, 2018 | — | — | (F19) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,429.0500 - $1,430.0400. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 14 | Common | Common Stock | 2026-02-02 | S | D | 2,017 | $1,430.26 | 19,233 | I Fortuna Trust dated June 1, 2018 | — | — | (F20) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,430.0500 - $1,431.0300. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 15 | Common | Common Stock | 2026-02-02 | S | D | 52 | $1,415.63 | 55,606 | I Fortuna Trust dated June 1, 2018 | — | — | (F6) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,415.3000 - $1,416.1000. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 16 | Common | Common Stock | 2026-02-02 | S | D | 58 | $1,414.36 | 55,658 | I Fortuna Trust dated June 1, 2018 | — | — | (F5) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,414.3000 - $1,414.6900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 17 | Common | Common Stock | 2026-02-02 | S | D | 175 | $1,414.04 | 55,716 | I Fortuna Trust dated June 1, 2018 | — | — | (F4) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,413.3000 - $1,414.2900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 18 | Common | Common Stock | 2026-02-02 | S | D | 1 | $1,412.26 | 55,891 | I Fortuna Trust dated June 1, 2018 | — | — | |
| 19 | Common | Common Stock | 2026-02-02 | S | D | 6 | $1,410.98 | 55,892 | I Fortuna Trust dated June 1, 2018 | — | — | (F3) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,410.9300 - $1,411.2300. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 20 | Common | Common Stock | 2026-02-02 | S | D | 2 | $1,409.71 | 55,898 | I Fortuna Trust dated June 1, 2018 | — | — | |
| 21 | Common | Common Stock | 2026-02-02 | S | D | 218 | $1,407.76 | 55,900 | I Fortuna Trust dated June 1, 2018 | — | — | (F2) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,407.1000 - $1,407.8900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 22 | Common | Common Stock | 2026-02-02 | S | D | 223 | $1,420.51 | 55,221 | I Fortuna Trust dated June 1, 2018 | — | — | (F10) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,420.0200 - $1,420.8800. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 23 | Common | Common Stock | 2026-02-02 | M | A | 23,000 | $342.31 | 56,158 | I Fortuna Trust dated June 1, 2018 | — | — | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 24 | Common | Common Stock | 2026-02-02 | M | A | 25,000 | $341.28 | 33,158 | I Fortuna Trust dated June 1, 2018 | — | — | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 25 | Derivative | Stock Option | 2026-02-02 | M | D | 25,000 | $0.00 | 17,940 | I Fortuna Trust dated June 1, 2018 | $341.28 · 2023-09-30 to 2029-11-15 | 25,000 Common Stock | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 26 | Derivative | Stock Option. | 2026-02-02 | M | D | 23,000 | $0.00 | 20,000 | I Fortuna Trust dated June 1, 2018 | $342.31 · 2025-09-30 to 2030-11-11 | 23,000 Common Stock | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |