Form 4 for TDG TransDigm Group
Accepted 2025-12-05 00:00:00 ET · period of report 2025-12-04 · accession 0001193125-25-309653 · 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 | 2025-12-05 | 2025-12-04 | TDG | Stein Kevin M | Dir | S - Sale+OE | $1,362.29 | -17.5K | 18.8K | -48% | -$23.88M |
| DTI | 2025-12-05 | 2025-12-04 | TDG | Stein Kevin M | Dir | M - OptEx | $105.88 | +17.5K | 25.7K | +215% | +$1.86M |
| DTI | 2025-12-05 | 2025-12-04 | TDG | Stein Kevin M | Dir | M - OptEx | $0.00 | -17.5K | 37.9K | -32% | $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 | 2025-12-04 | S | D | 30 | $1,367.22 | 8,158 | 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 $1,367.2200 - $1,367.2300. 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. |
| 2 | Common | Common Stock | 2025-12-04 | S | D | 495 | $1,366.19 | 8,188 | 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 $1,366.1100- $1,366.5300. 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 | 2025-12-04 | S | D | 1,680 | $1,365.33 | 8,683 | 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 $1,365.0400- $1,366.0300. 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. |
| 4 | Common | Common Stock | 2025-12-04 | S | D | 3,139 | $1,364.58 | 10,363 | 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 $1,364.0400- $1,365.0100. 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. |
| 5 | Common | Common Stock | 2025-12-04 | S | D | 1,397 | $1,363.39 | 13,502 | 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 $1,363.0400- $1,364.0200. 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. |
| 6 | Common | Common Stock | 2025-12-04 | S | D | 1,794 | $1,362.63 | 14,899 | 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 $1,362.02000- $1,363.0000. 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. |
| 7 | Common | Common Stock | 2025-12-04 | S | D | 2,081 | $1,361.43 | 16,693 | 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 $1,361.0000- $1,361.9450. 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 | 2025-12-04 | M | A | 17,526 | $105.88 | 25,684 | 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 | 2025-12-04 | S | D | 6,910 | $1,360.15 | 18,774 | 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 $1,360.000 - $1,360.9900. 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. |
| 10 | Derivative | Stock Option | 2025-12-04 | M | D | 17,526 | $0.00 | 37,940 | I Fortuna Trust dated June 1, 2018 | $105.88 · 2018-09-30 to 2028-04-25 | 17,526 Common Stock |