Form 4 for TDG TransDigm Group
Accepted 2026-01-06 00:00:00 ET · period of report 2026-01-05 · accession 0001193125-26-004595 · 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 | 2026-01-06 | 2026-01-05 | TDG | Stein Kevin M | Dir | S - Sale+OE | $1,373.59 | -25.0K | 13.1K | -66% | -$34.34M |
| DMTI | 2026-01-06 | 2026-01-05 | TDG | Stein Kevin M | Dir | M - OptEx | $172.36 | +25.0K | 33.2K | +306% | +$4.31M |
| DMTI | 2026-01-06 | 2026-01-05 | TDG | Stein Kevin M | Dir | M - OptEx | $0.00 | -25.0K | 42.9K | -37% | $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 | 2026-01-05 | S | D | 716 | $1,368.11 | 31,447 | 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 $1,367.5700 - $1,368.5500. 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 | 2026-01-05 | S | D | 903 | $1,381.53 | 10,599 | 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 $1,381.0200 - $1,381.9400. 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 | 2026-01-05 | S | D | 385 | $1,380.53 | 11,502 | 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 $1,380.0000 - $1,380.9800. 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 | 2026-01-05 | S | D | 1,218 | $1,379.64 | 11,887 | 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 $1,379.0000 - $1,379.9800. 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. |
| 5 | Common | Common Stock | 2026-01-05 | S | D | 300 | $1,387.04 | 8,158 | 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 $1,387.0300 - $1,387.0400. 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. |
| 6 | Common | Common Stock | 2026-01-05 | S | D | 274 | $1,384.12 | 8,458 | 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 $1,383.6400 - $1,384.4900. 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 | 2026-01-05 | M | A | 17,940 | $105.88 | 26,098 | I Fortuna Trust dated June 1, 2018 | — | — | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 8 | Common | Common Stock | 2026-01-05 | M | A | 7,060 | $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. |
| 9 | Common | Common Stock | 2026-01-05 | S | D | 560 | $1,361.59 | 32,598 | I Fortuna Trust dated June 1, 2018 | — | — | |
| 10 | Common | Common Stock | 2026-01-05 | S | D | 20 | $1,363.08 | 32,578 | I Fortuna Trust dated June 1, 2018 | — | — | |
| 11 | Common | Common Stock | 2026-01-05 | S | D | 160 | $1,364.57 | 32,418 | 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 $1,364.4650 - $1,365.0000. 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 | 2026-01-05 | S | D | 255 | $1,367.18 | 32,163 | 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 $1,366.5600 - $1,367.4900. 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 | 2026-01-05 | S | D | 1,867 | $1,382.62 | 8,732 | 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 $1,382.1600 - $1,383.0500. 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 | 2026-01-05 | S | D | 3,956 | $1,369.05 | 27,491 | 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 $1,368.5800 - $1,369.5700. 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 | 2026-01-05 | S | D | 4,457 | $1,370.12 | 23,034 | 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 $1,369.5800 - $1,370.5600. 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 | 2026-01-05 | S | D | 1,777 | $1,371.09 | 21,257 | 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 $1,370.5800 - $1,371.5200. 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 | 2026-01-05 | S | D | 2,084 | $1,372.04 | 19,173 | 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 $1,371.6300 - $1,372.6200. 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 | 2026-01-05 | S | D | 481 | $1,373.01 | 18,692 | 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 $1,372.6300 - $1,373.5700. 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. |
| 19 | Common | Common Stock | 2026-01-05 | S | D | 1,020 | $1,374.25 | 17,672 | 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 $1,373.7400 - $1,374.7300. 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 | 2026-01-05 | S | D | 1,338 | $1,375.16 | 16,334 | 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 $1,374.7750 - $1,375.7200. 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. |
| 21 | Common | Common Stock | 2026-01-05 | S | D | 1,587 | $1,376.15 | 14,747 | 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 $1,375.7900 - $1,376.7600. 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 | 2026-01-05 | S | D | 403 | $1,377.30 | 14,344 | 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 $1,376.8600 - $1,377.7800. 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 | 2026-01-05 | S | D | 1,239 | $1,378.51 | 13,105 | 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 $1,377.9500 - $1,378.9200. 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. |
| 24 | Derivative | Stock Option | 2026-01-05 | M | D | 17,940 | $0.00 | 20,000 | I Fortuna Trust dated June 1, 2018 | $105.88 · 2018-09-30 to 2028-04-25 | 17,940 Common Stock | |
| 25 | Derivative | Stock Option | 2026-01-05 | M | D | 7,060 | $0.00 | 42,940 | I Fortuna Trust dated June 1, 2018 | $341.28 · 2023-09-30 to 2029-11-15 | 7,060 Common Stock |