TransDigm Group INC — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TransDigm Group INC (TDG)
CIK: 0001260221
Period of Report: 2026-02-18

Reporting Person: Howley W Nicholas (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Common Stock	M	10168	$50.92	Acquired	31715.513	Indirect
2026-02-18	Common Stock	S	920	$1299.3068	Disposed	30795.513	Indirect
2026-02-18	Common Stock	S	30	$1300.3233	Disposed	30765.513	Indirect
2026-02-18	Common Stock	S	190	$1301.0902	Disposed	30575.513	Indirect
2026-02-18	Common Stock	S	201	$1302.4229	Disposed	30374.513	Indirect
2026-02-18	Common Stock	S	560	$1303.6371	Disposed	29814.513	Indirect
2026-02-18	Common Stock	S	587	$1304.4889	Disposed	29227.513	Indirect
2026-02-18	Common Stock	S	425	$1306.1675	Disposed	28802.513	Indirect
2026-02-18	Common Stock	S	1050	$1307.2281	Disposed	27752.513	Indirect
2026-02-18	Common Stock	S	973	$1308.1379	Disposed	26779.513	Indirect
2026-02-18	Common Stock	S	1210	$1309.2242	Disposed	25569.513	Indirect
2026-02-18	Common Stock	S	1154	$1310.5826	Disposed	24415.513	Indirect
2026-02-18	Common Stock	S	2738	$1311.0683	Disposed	21677.513	Indirect
2026-02-18	Common Stock	S	130	$1312.0369	Disposed	21547.513	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-18	Stock Option	$50.92	M	10168	Disposed	2026-11-10	Common Stock (10168)	Indirect

Footnotes

F1: The exercise price has been adjusted for dividends declared since August 1, 2022.

F2: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,298.9600 - $1,299.8950. 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 $1,300.0000 - $1,300.7000. 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 $1,301.0400 - $1,301.5100. 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 $1,302.1000 - $1,302.7150. 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 $1,303.2100 - $1,304.1700. 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.

F7: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,304.3100 - $1,305.3000. 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 $1,305.6000 - $1,306.3800. 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 $1,306.7200- $1,307.5500. 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.

F10: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,307.8400 - $1,308.6700. 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.

F11: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,308.9400 - $1,309.8000. 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.

F12: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,310.0000 - $1,310.9100. 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 $1,311.0000 - $1,311.8500. 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.

F14: Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,312.0000 - $1,312.2400. 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.