Form 4 for TDG TransDigm Group
Accepted 2026-04-21 16:36:38 ET · period of report 2026-04-20 · accession 0001193125-26-167008 · 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 | 2026-04-21 16:36 | 2026-04-20 | TDG | Howley W Nicholas | Dir | M - OptEx | $51.45 | +10.1K | 31.7K | +47% | +$521.3K |
| DMTI | 2026-04-21 16:36 | 2026-04-20 | TDG | Howley W Nicholas | Dir | S - Sale+OE | $1,265.06 | -10.1K | 21.5K | -32% | -$12.82M |
| DMTI | 2026-04-21 16:36 | 2026-04-20 | TDG | Howley W Nicholas | Dir | M - OptEx | $0.00 | -10.1K | 42.2K | -19% | $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 | 2026-04-20 | M | A | 9,789 | $50.92 | 31,336.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 2 | Common | Common Stock | 2026-04-20 | M | A | 343 | $66.47 | 31,679.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 3 | Common | Common Stock | 2026-04-20 | S | D | 60 | $1,260.34 | 31,619.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F2) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,260.0000 - $1,260.4800. 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 | 2026-04-20 | S | D | 1,035 | $1,261.64 | 30,584.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F3) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,261.1800 - $1,262.1200. 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 | 2026-04-20 | S | D | 3,077 | $1,262.66 | 27,507.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F4) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,262.2500 - $1,263.1700. 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 | 2026-04-20 | S | D | 589 | $1,263.81 | 26,918.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F5) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,263.3700 - $1,264.1000. 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. |
| 7 | Common | Common Stock | 2026-04-20 | S | D | 694 | $1,264.95 | 26,224.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F6) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,264.5500 - $1,265.5300. 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. |
| 8 | Common | Common Stock | 2026-04-20 | S | D | 1,304 | $1,266.13 | 24,920.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F7) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,265.6650 - $1,266.6550. 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 | 2026-04-20 | S | D | 1,673 | $1,267.14 | 23,247.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F8) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,266.7200 - $1,267.6800. 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 | 2026-04-20 | S | D | 940 | $1,268.46 | 22,307.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F9) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,267.7700 - $1,268.7600. 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. |
| 11 | Common | Common Stock | 2026-04-20 | S | D | 270 | $1,269.62 | 22,037.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F10) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,268.9300 - $1,269.8800. 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. |
| 12 | Common | Common Stock | 2026-04-20 | S | D | 430 | $1,270.46 | 21,607.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F11) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,270.4000 - $1,270.4900. 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 | 2026-04-20 | S | D | 60 | $1,271.63 | 21,547.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | |
| 14 | Derivative | Stock Option | 2026-04-20 | M | D | 9,789 | $0.00 | 0 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | $50.92 · 2017-09-30 to 2026-11-10 | 9,789 Common Stock | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |
| 15 | Derivative | Stock Option | 2026-04-20 | M | D | 343 | $0.00 | 42,228 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | $66.47 · 2018-09-30 to 2027-11-08 | 343 Common Stock | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |