Form 4 for TDG TransDigm Group
Accepted 2026-08-19 16:21:10 ET · period of report 2026-08-18 · accession 0001352573-26-000013 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DTI | 2026-08-19 16:21 | 2026-08-18 | TDG | Howley W Nicholas | Dir | M - OptEx | $66.47 | +10.1K | 31.7K | +47% | +$673.5K |
| DMTI | 2026-08-19 16:21 | 2026-08-18 | TDG | Howley W Nicholas | Dir | S - Sale+OE | $1,236.28 | -10.1K | 21.5K | -32% | -$12.53M |
| DTI | 2026-08-19 16:21 | 2026-08-18 | TDG | Howley W Nicholas | Dir | M - OptEx | $0.00 | -10.1K | 1,700 | -86% | $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 | 2026-08-18 | M | A | 10,132 | $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. |
| 2 | Common | Common Stock | 2026-08-18 | S | D | 204 | $1,225.60 | 31,475.51 | 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 $1,225.1750 - $1,226.0000. 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. |
| 3 | Common | Common Stock | 2026-08-18 | S | D | 70 | $1,227.62 | 31,405.51 | 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 $1,227.1550 - $1,227.9700. 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 | 2026-08-18 | S | D | 290 | $1,229.09 | 31,115.51 | 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 $1,228.4900 - $1,229.4800. 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. |
| 5 | Common | Common Stock | 2026-08-18 | S | D | 570 | $1,230.02 | 30,545.51 | 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 $1,229.4900 - $1,230.1400. 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 | 2026-08-18 | S | D | 830 | $1,231.12 | 29,715.51 | 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 $1,230.6000 - $1,231.5800. 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 | 2026-08-18 | S | D | 1,055 | $1,232.01 | 28,660.51 | 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 $1,231.6100 - $1,232.5100. 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 | 2026-08-18 | S | D | 450 | $1,233.30 | 28,210.51 | 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 $1,232.8900 - $1,233.6700. 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 | 2026-08-18 | S | D | 270 | $1,234.69 | 27,940.51 | 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 $1,234.4000 - $1,235.2100. 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 | 2026-08-18 | S | D | 140 | $1,236.12 | 27,800.51 | 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 $1,235.4300 - $1,236.6700. 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 | 2026-08-18 | S | D | 250 | $1,236.89 | 27,550.51 | 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 $1,236.7100 - $1,237.4600. 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. |
| 12 | Common | Common Stock | 2026-08-18 | S | D | 520 | $1,238.08 | 27,030.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F12) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,237.7100 - $1,238.4200. 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 | 2026-08-18 | S | D | 3,980 | $1,239.17 | 23,050.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F13) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,238.8700 - $1,239.8500. 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 | 2026-08-18 | S | D | 1,313 | $1,240.42 | 21,737.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F14) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,239.8700 - $1,240.7500. 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 | 2026-08-18 | S | D | 190 | $1,241.14 | 21,547.51 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | — | — | (F15) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,240.9200 - $1,241.4600. 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. |
| 16 | Derivative | Stock Option | 2026-08-18 | M | D | 10,132 | $0.00 | 1,700 | I W. Nicholas Howley Family Trust u/a/d 4/23/99 | $66.47 · 2018-09-30 to 2027-11-08 | 10,132 Common Stock | (F1) The exercise price has been adjusted for dividends declared since August 1, 2022. |