X0609 4 2026-05-15 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 true Common Stock 2026-05-15 4 M false 3900.00 284.97 A 7500.00 D Common Stock 2026-05-15 4 S false 71.00 1144.4338 D 7429.00 D Common Stock 2026-05-15 4 S false 259.00 1145.3653 D 7170.00 D Common Stock 2026-05-15 4 S false 120.00 1146.1718 D 7050.00 D Common Stock 2026-05-15 4 S false 462.00 1147.5165 D 6588.00 D Common Stock 2026-05-15 4 S false 775.00 1148.2491 D 5813.00 D Common Stock 2026-05-15 4 S false 463.00 1149.3275 D 5350.00 D Common Stock 2026-05-15 4 S false 119.00 1150.3329 D 5231.00 D Common Stock 2026-05-15 4 S false 151.00 1151.4868 D 5080.00 D Common Stock 2026-05-15 4 S false 50.00 1152.2792 D 5030.00 D Common Stock 2026-05-15 4 S false 130.00 1153.7114 D 4900.00 D Common Stock 2026-05-15 4 S false 70.00 1154.7831 D 4830.00 D Common Stock 2026-05-15 4 S false 50.00 1156.0676 D 4780.00 D Common Stock 2026-05-15 4 S false 45.00 1158.6191 D 4735.00 D Common Stock 2026-05-15 4 S false 95.00 1159.69 D 4640.00 D Common Stock 2026-05-15 4 S false 70.00 1160.33 D 4570.00 D Common Stock 2026-05-15 4 S false 110.00 1162.6451 D 4460.00 D Common Stock 2026-05-15 4 S false 10.00 1163.19 D 4450.00 D Common Stock 2026-05-15 4 S false 76.00 1164.9372 D 4374.00 D Common Stock 2026-05-15 4 S false 177.00 1165.9361 D 4197.00 D Common Stock 2026-05-15 4 S false 121.00 1167.0179 D 4076.00 D Common Stock 2026-05-15 4 S false 186.00 1168.1335 D 3890.00 D Common Stock 2026-05-15 4 S false 81.00 1169.1335 D 3809.00 D Common Stock 2026-05-15 4 S false 26.00 1170.5381 D 3783.00 D Common Stock 2026-05-15 4 S false 43.00 1172.0467 D 3740.00 D Common Stock 2026-05-15 4 S false 63.00 1172.6867 D 3677.00 D Common Stock 2026-05-15 4 S false 30.00 1174.387 D 3647.00 D Common Stock 2026-05-15 4 S false 47.00 1175.2791 D 3600.00 D Stock Option 284.97 2026-05-15 4 M false 3900.00 0.00 D 2021-09-30 2027-11-08 Common Stock 3900.00 19700.00 D Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,143.7200 - $1,144.6900. 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 $1,144.7200 - $1,145.6700. 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. Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,145.7400 - $1,146.5500. 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 $1,146.8600 - $1,147.8400. 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 $1,147.8600 - $1,148.8200. 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 $1,148.8600 - $1,149.8400. 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 $1,149.8800 - $1,150.8000. 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 $1,150.9100 - $1,151.8900. 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 $1,151.9400 - $1,152.6300. 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 $1,153.2000 - $1,154.0900. 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 $1,154.5100 - $1,155.2100. 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. Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,155.7900 - $1,156.6200. 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 $1,158.0000 - $1,158.9800. 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 $1,159.1100 - $1,159.9300. 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 $1,160.1400 - $1,160.4000. 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 $1,162.0000 - $1,162.9600. 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 $1,164.4200 - $1,165.3700. 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 $1,165.5600 - $1,166.5500. 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 $1,166.5600 - $1,167.4500. 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 $1,167.6600 - $1,168.5800. 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. Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,168.8900 - $1,169.7100. 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 $1,170.1100 - $1,170.9200. 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 $1,171.5400 - $1,172.3700. 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 $1,172.5500 - $1,173.2400. 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 $1,174.1600 - $1,175.1200. 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. Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,175.1600 - $1,175.3100. 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 2026-05-18