X0508 4 2023-11-15 0 0001260221 TransDigm Group INC TDG 0001656109 Reiss Joel TRANSDIGM GROUP INCORPORATED 1301 E. 9TH ST., SUITE 3000 CLEVELAND OH 44114 0 1 0 0 Co-Chief Operating Officer 1 Common Stock 2023-11-15 4 M 0 3000 226.34 A 6600 D Common Stock 2023-11-15 4 S 0 147 991.8117 D 6453 D Common Stock 2023-11-15 4 S 0 440 993.0188 D 6013 D Common Stock 2023-11-15 4 S 0 602 994.2084 D 5411 D Common Stock 2023-11-15 4 S 0 827 995.0829 D 4584 D Common Stock 2023-11-15 4 S 0 694 995.8686 D 3890 D Common Stock 2023-11-15 4 S 0 217 996.9397 D 3673 D Common Stock 2023-11-15 4 S 0 73 998.4746 D 3600 D Stock Option 226.34 2023-11-15 4 M 0 3000 0.00 D 2016-09-30 2025-11-06 Common Stock 3000 51300 D Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $991.4800 - $992.3500. 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 purchased at each separate price. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $992.5000 - $993.3900. 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 purchased at each separate price. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $993.5000 - $994.4900. 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 purchased at each separate price. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $994.5200 - $995.4850. 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 purchased at each separate price. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $995.5200- $996.2850. 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 purchased at each separate price. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $996.5400 - $997.5300. 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 purchased at each separate price. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $998.0150 - $998.9750. 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 purchased at each separate price. /s/ Gabrielle Feuer as attorney-in-fact 2023-11-16