Item 16. FORM 10-K SUMMARY

None.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized on November 10, 2026.

TRANSDIGM GROUP INCORPORATED
By:			/s/ Sarah Wynne
Name:			Sarah Wynne
Title:			Chief Financial Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons on behalf of the registrant and in the capacities and as of the dates indicated.

Signature						Title						Date
/s/ Michael Lisman						President, Chief Executive Officer and Director (Principal Executive Officer)						November 10, 2026
Michael Lisman
/s/ Sarah Wynne						Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)						November 10, 2026
Sarah Wynne
/s/ W. Nicholas Howley						Chairman						November 10, 2026
W. Nicholas Howley
/s/ David A. Barr						Director						November 10, 2026
David A. Barr
/s/ Jane M. Cronin						Director						November 10, 2026
Jane M. Cronin
/s/ Michael Graff						Director						November 10, 2026
Michael Graff
/s/ Sean P. Hennessy						Director						November 10, 2026
Sean P. Hennessy
/s/ Irina I. Krasik						Director						November 10, 2026
Irina I. Krasik
/s/ Gary E. McCullough						Director						November 10, 2026
Gary E. McCullough
/s/ Pete Palmer						Director						November 10, 2026
Pete Palmer
/s/ Michele L. Santana						Director						November 10, 2026
Michele L. Santana
/s/ Robert J. Small						Lead Independent Director						November 10, 2026
Robert J. Small

TRANSDIGM GROUP INCORPORATED AND SUBSIDIARIES

ANNUAL REPORT ON FORM 10-K:

FISCAL YEAR ENDED SEPTEMBER 30, 2026