SEC Form 4 · accession 0001352573-26-000013
TransDigm Group INC · TDG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
W Nicholas Howley
Director
Period of report
Aug 18, 2026
Accepted (ET)
Aug 19, 2026 · 4:21 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001260221
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 18, 2026 | M | 10,132 | $66.47 | A | 31,680 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF2 | Aug 18, 2026 | S | 204 | $1,225.6023 | D | 31,476 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF3 | Aug 18, 2026 | S | 70 | $1,227.6221 | D | 31,406 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF4 | Aug 18, 2026 | S | 290 | $1,229.0948 | D | 31,116 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF5 | Aug 18, 2026 | S | 570 | $1,230.0189 | D | 30,546 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF6 | Aug 18, 2026 | S | 830 | $1,231.1187 | D | 29,716 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF7 | Aug 18, 2026 | S | 1,055 | $1,232.0139 | D | 28,661 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF8 | Aug 18, 2026 | S | 450 | $1,233.3049 | D | 28,211 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF9 | Aug 18, 2026 | S | 270 | $1,234.6883 | D | 27,941 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF10 | Aug 18, 2026 | S | 140 | $1,236.1214 | D | 27,801 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF11 | Aug 18, 2026 | S | 250 | $1,236.8948 | D | 27,551 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF12 | Aug 18, 2026 | S | 520 | $1,238.0823 | D | 27,031 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF13 | Aug 18, 2026 | S | 3,980 | $1,239.1746 | D | 23,051 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF14 | Aug 18, 2026 | S | 1,313 | $1,240.4217 | D | 21,738 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
| Common StockF15 | Aug 18, 2026 | S | 190 | $1,241.1389 | D | 21,548 | I | W. Nicholas Howley Family Trust u/a/d 4/23/99 |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionF1 | $66.47 | Aug 18, 2026 | M | 10,132 | D | Sep 30, 2018 | Nov 8, 2027 | Common Stock | 10,132 | 1,700 | I |
Explanation of responses
- F1The exercise price has been adjusted for dividends declared since August 1, 2022.
- F10Price 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.
- F11Price 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.
- F12Price 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.
- F13Price 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.
- F14Price 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.
- F15Price 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.
- F2Price 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.
- F3Price 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.
- F4Price 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.
- F5Price 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.
- F6Price 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.
- F7Price 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.
- F8Price 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.
- F9Price 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.