X0609 4 2026-06-15 false 0001260221 TransDigm Group INC TDG 0001656109 Reiss Joel false 1350 EUCLID AVE SUITE 1600 CLEVELAND OH 44115 false true false false Co-Chief Operating Officer false Common Stock 2026-06-15 4 M false 3900.00 284.97 A 7500.00 D Common Stock 2026-06-15 4 S false 32.00 1268.8672 D 7468.00 D Common Stock 2026-06-15 4 S false 58.00 1270.0216 D 7410.00 D Common Stock 2026-06-15 4 S false 146.00 1271.2884 D 7264.00 D Common Stock 2026-06-15 4 S false 174.00 1272.381 D 7090.00 D Common Stock 2026-06-15 4 S false 300.00 1273.3296 D 6790.00 D Common Stock 2026-06-15 4 S false 600.00 1274.3513 D 6190.00 D Common Stock 2026-06-15 4 S false 502.00 1275.3522 D 5688.00 D Common Stock 2026-06-15 4 S false 428.00 1276.4231 D 5260.00 D Common Stock 2026-06-15 4 S false 494.00 1277.4302 D 4766.00 D Common Stock 2026-06-15 4 S false 316.00 1278.5335 D 4450.00 D Common Stock 2026-06-15 4 S false 158.00 1279.5528 D 4292.00 D Common Stock 2026-06-15 4 S false 152.00 1280.4969 D 4140.00 D Common Stock 2026-06-15 4 S false 150.00 1281.8413 D 3990.00 D Common Stock 2026-06-15 4 S false 90.00 1282.6004 D 3900.00 D Common Stock 2026-06-15 4 S false 136.00 1283.7266 D 3764.00 D Common Stock 2026-06-15 4 S false 74.00 1285.0378 D 3690.00 D Common Stock 2026-06-15 4 S false 60.00 1285.9033 D 3630.00 D Common Stock 2026-06-15 4 S false 30.00 1287.5867 D 3600.00 D Stock Option 284.97 2026-06-15 4 M false 3900.00 0.00 D 2021-09-30 2027-11-08 Common Stock 3900.00 15800.00 D Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. Price 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. /s/ Rachel L. Quinlan as attorney in fact for Joel Reiss 2026-06-16