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TransDigm Group INC Director's Dealing 2025

Dec 16, 2025

29928_dirs_2025-12-16_77856357-f656-44b0-a4da-a9a1a8e0f2b1.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2025-12-15

Reporting Person: Reiss Joel (N/A)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2025-12-15 Common Stock M 3900 $284.97 Acquired 7500 Direct
2025-12-15 Common Stock S 80 $1282.7296 Disposed 7420 Direct
2025-12-15 Common Stock S 280 $1283.702 Disposed 7140 Direct
2025-12-15 Common Stock S 220 $1284.7756 Disposed 6920 Direct
2025-12-15 Common Stock S 220 $1285.6400 Disposed 6700 Direct
2025-12-15 Common Stock S 262 $1286.6977 Disposed 6438 Direct
2025-12-15 Common Stock S 336 $1287.6938 Disposed 6102 Direct
2025-12-15 Common Stock S 536 $1288.5358 Disposed 5566 Direct
2025-12-15 Common Stock S 420 $1289.8069 Disposed 5146 Direct
2025-12-15 Common Stock S 220 $1290.6810 Disposed 4926 Direct
2025-12-15 Common Stock S 418 $1291.6778 Disposed 4508 Direct
2025-12-15 Common Stock S 279 $1292.6582 Disposed 4229 Direct
2025-12-15 Common Stock S 61 $1293.7603 Disposed 4168 Direct
2025-12-15 Common Stock S 50 $1294.8970 Disposed 4118 Direct
2025-12-15 Common Stock S 58 $1296.1028 Disposed 4060 Direct
2025-12-15 Common Stock S 32 $1297.3191 Disposed 4028 Direct
2025-12-15 Common Stock S 44 $1298.1073 Disposed 3984 Direct
2025-12-15 Common Stock S 12 $1299.0350 Disposed 3972 Direct
2025-12-15 Common Stock S 25 $1300.4400 Disposed 3947 Direct
2025-12-15 Common Stock S 14 $1301.7814 Disposed 3933 Direct
2025-12-15 Common Stock S 45 $1303.1456 Disposed 3888 Direct
2025-12-15 Common Stock S 60 $1304.9026 Disposed 3828 Direct
2025-12-15 Common Stock S 118 $1305.9847 Disposed 3710 Direct
2025-12-15 Common Stock S 20 $1306.6400 Disposed 3690 Direct
2025-12-15 Common Stock S 40 $1307.9450 Disposed 3650 Direct
2025-12-15 Common Stock S 20 $1309.3400 Disposed 3630 Direct
2025-12-15 Common Stock S 30 $1311.2467 Disposed 3600 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2025-12-15 Stock Option $284.97 M 3900 Disposed 2027-11-08 Common Stock (3900) Direct

Footnotes

F1: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,282.1200 - $1,283.1000. 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.

F2: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,283.1700 - $1,284.1000. 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.

F3: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,284.1700 - $1,285.1000. 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.

F4: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,285.1700 - $1,286.0500. 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.

F5: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,286.1700 - $1,287.1600. 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.

F6: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,287.1700 - $1,288.1500. 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.

F7: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,288.1800 - $1,289.0500. 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.

F8: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,289.2000 - $1,290.1900. 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.

F9: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,290.2000 - $1,291.1300. 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.

F10: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,291.2300 - $1,292.2200. 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.

F11: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,292.2400 - $1,293.2300. 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.

F12: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,293.2600 - $1,294.1500. 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.

F13: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,294.2900 - $1,295.2000. 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.

F14: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,295.5300 - $1,296.3600. 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.

F15: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,296.8000 - $1,297.6500. 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.

F16: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,297.8400 - $1,298.8300. 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.

F17: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,298.9200 - $1,299.6200. 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.

F18: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,300.2500 - $1,301.1000. 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.

F19: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,301.5200 - $1,302.1200. 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.

F20: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,302.7200 - $1,303.5000. 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.

F21: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,304.3200 - $1,305.1500. 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.

F22: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,305.5200 - $1,306.3400. 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.

F23: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,307.8300 - $1,308.1900. 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.

F24: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,311.1700 - $1,311.4000. 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.