SEC Form 4 · accession 0001656109-26-000003
TransDigm Group INC · TDG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Joel Reiss
Officer — Co-Chief Operating Officer
Period of report
Jun 15, 2026
Accepted (ET)
Jun 16, 2026 · 4:05 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001260221
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 15, 2026 | M | 3,900 | $284.97 | A | 7,500 | D | |
| Common StockF1 | Jun 15, 2026 | S | 32 | $1,268.8672 | D | 7,468 | D | |
| Common StockF2 | Jun 15, 2026 | S | 58 | $1,270.0216 | D | 7,410 | D | |
| Common StockF3 | Jun 15, 2026 | S | 146 | $1,271.2884 | D | 7,264 | D | |
| Common StockF4 | Jun 15, 2026 | S | 174 | $1,272.381 | D | 7,090 | D | |
| Common StockF5 | Jun 15, 2026 | S | 300 | $1,273.3296 | D | 6,790 | D | |
| Common StockF6 | Jun 15, 2026 | S | 600 | $1,274.3513 | D | 6,190 | D | |
| Common StockF7 | Jun 15, 2026 | S | 502 | $1,275.3522 | D | 5,688 | D | |
| Common StockF8 | Jun 15, 2026 | S | 428 | $1,276.4231 | D | 5,260 | D | |
| Common StockF9 | Jun 15, 2026 | S | 494 | $1,277.4302 | D | 4,766 | D | |
| Common StockF10 | Jun 15, 2026 | S | 316 | $1,278.5335 | D | 4,450 | D | |
| Common StockF11 | Jun 15, 2026 | S | 158 | $1,279.5528 | D | 4,292 | D | |
| Common StockF12 | Jun 15, 2026 | S | 152 | $1,280.4969 | D | 4,140 | D | |
| Common StockF13 | Jun 15, 2026 | S | 150 | $1,281.8413 | D | 3,990 | D | |
| Common StockF14 | Jun 15, 2026 | S | 90 | $1,282.6004 | D | 3,900 | D | |
| Common StockF15 | Jun 15, 2026 | S | 136 | $1,283.7266 | D | 3,764 | D | |
| Common StockF16 | Jun 15, 2026 | S | 74 | $1,285.0378 | D | 3,690 | D | |
| Common StockF17 | Jun 15, 2026 | S | 60 | $1,285.9033 | D | 3,630 | D | |
| Common StockF18 | Jun 15, 2026 | S | 30 | $1,287.5867 | D | 3,600 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option | $284.97 | Jun 15, 2026 | M | 3,900 | D | Sep 30, 2021 | Nov 8, 2027 | Common Stock | 3,900 | 15,800 | D |
Explanation of responses
- F1Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,268.6100 - $1,269.3500. 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.
- F10Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,277.9900 - $1,278.8700. 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 $1,279.0400 - $1,280.0200. 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.
- F12Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,280.0900 - $1,280.9800. 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 $1,281.2600 - $1,282.1700. 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.
- F14Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,282.3000 - $1,283.2400. 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 $1,283.4400 - $1,284.2000. 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.
- F16Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,284.4700 - $1,285.2000. 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.
- F17Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,285.7500 - $1,285.9400. 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.
- F18Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,287.3600 - $1,288.0400. 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 $1,269.6350 - $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.
- F3Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,270.7400 - $1,271.7100. 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 $1,271.7400 - $1,272.6100. 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 $1,272.9100 - $1,273.8900. 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 $1,273.9200 - $1,274.8900. 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 $1,274.9400 - $1,275.9350. 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 $1,275.9400 - $1,276.8500. 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.
- F9Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,276.9800 - $1,277.9700. 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.