X0306 4 2023-02-16 0 0001260221 TransDigm Group INC TDG 0001748275 Lisman Michael 1301 E. 9TH ST. SUITE 3000 CLEVELAND OH 44114 0 1 0 0 Chief Financial Officer Common Stock 2023-02-16 4 M 0 3200 217.70 A 5509 D Common Stock 2023-02-16 4 M 0 1100 284.97 A 6609 D Common Stock 2023-02-16 4 M 0 8100 303.90 A 14709 D Common Stock 2023-02-16 4 S 0 4295 748.5793 D 10414 D Common Stock 2023-02-16 4 S 0 3875 749.48 D 6539 D Common Stock 2023-02-16 4 S 0 2359 750.3558 D 4180 D Common Stock 2023-02-16 4 S 0 403 751.3923 D 3777 D Common Stock 2023-02-16 4 S 0 1468 752.9876 D 2309 D Stock Option 217.70 2023-02-16 4 M 0 3200 0.00 D 2016-09-30 2026-01-20 Common Stock 3200 0 D Stock Option 284.97 2023-02-16 4 M 0 1100 0.00 D 2021-09-30 2027-11-08 Common Stock 1100 0 D Stock Option 303.90 2023-02-16 4 M 0 8100 0.00 D 2018-09-30 2028-01-24 Common Stock 8100 0 D Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $747.98 - $748.97 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 $748.985 - $749.98 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 $750.04 - $750.87. 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 $751.08 - $751.02. 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 $752.69 - $753.60. 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. Amy Paszt as attorney in fact for Michael J. Lisman. 2023-02-21