Form 4 for TDG TransDigm Group
Accepted 2026-01-09 00:00:00 ET · period of report 2026-01-08 · accession 0001193125-26-008970 · 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 | 2026-01-09 | 2026-01-08 | TDG | Stein Kevin M | Dir | S - Sale+OE | $1,407.25 | -17.4K | 15.1K | -53% | -$24.45M |
| DTI | 2026-01-09 | 2026-01-08 | TDG | Stein Kevin M | Dir | M - OptEx | $342.31 | +17.4K | 25.5K | +213% | +$5.95M |
| DTI | 2026-01-09 | 2026-01-08 | TDG | Stein Kevin M | Dir | M - OptEx | $0.00 | -17.4K | 50.6K | -26% | $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 | 2026-01-08 | S | D | 480 | $1,409.57 | 9,428 | 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 $1,409.1600 - $1,410.0800. 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 | 2026-01-08 | S | D | 930 | $1,410.65 | 8,498 | 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 $1,410.4600 - $1,411.4350. 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 | 2026-01-08 | S | D | 340 | $1,413.17 | 8,158 | I Fortuna Trust dated June 1, 2018 | — | — | |
| 4 | Common | Common Stock | 2026-01-08 | S | D | 5,239 | $1,408.44 | 9,908 | 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 $1,408.1500 - $1,409.1100. 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 | 2026-01-08 | S | D | 6,384 | $1,405.30 | 19,147 | 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 $1,405.0000 - $1,405.9900. 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 | 2026-01-08 | S | D | 1,278 | $1,406.72 | 17,869 | 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 $1,406.0000 - $1,406.9950. 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 | 2026-01-08 | S | D | 2,722 | $1,407.46 | 15,147 | 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 $1,407.0000 - $1,407.9150. 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 | 2026-01-08 | M | A | 17,373 | $342.31 | 25,531 | I Fortuna Trust dated June 1, 2018 | — | — | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 9 | Derivative | Stock Option. | 2026-01-08 | M | D | 17,373 | $0.00 | 50,627 | I Fortuna Trust dated June 1, 2018 | $342.31 · 2025-09-30 to 2030-11-11 | 17,373 Common Stock | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |