Michael Lisman - 03 Nov 2026 Form 4 Insider Report for TransDigm Group INC (TDG)

Reporting relationship: President & CEO, Director
Issuer ticker: TDG
Reported as of: 03 Nov 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Nov 2026, 17:14:46 UTC
Prior SEC filing: 09 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Rachel L. Quinlan as attorney in fact for Michael Lisman

Filing notes and source

Key filing fact

Michael Lisman filed Form 4 for TransDigm Group INC (TDG) on 05 Nov 2026.

Key facts

This page summarizes Michael Lisman's Form 4 filing for TransDigm Group INC (TDG).
5 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 05 Nov 2026, 17:14.

Change

Previous filing in this sequence was filed on 09 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001748275 Primary reporting owner

Lisman Michael

Relationship: President & CEO, Director
Address: 1350 EUCLID AVENUE, SUITE 1600, CLEVELAND
Signature: /s/ Rachel L. Quinlan as attorney in fact for Michael Lisman
Signature date: 05 Nov 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TDG transaction Derivative

Stock Option

Award

Transaction value
Shares: +4,214
Change %
Price: $0.000000^*
Shares after: 4,214
Date: 03 Nov 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,214
Exercise price: $1208.04
Footnotes: F1

TDG transaction Derivative

Stock Option

Award

Transaction value
Shares: +1,053
Change %
Price: $0.000000^*
Shares after: 1,053
Date: 03 Nov 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,053
Exercise price: $1208.04
Footnotes: F2

TDG transaction Derivative

Stock Option

Award

Transaction value
Shares: +18,923
Change %
Price: $0.000000^*
Shares after: 18,923
Date: 03 Nov 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 18,923
Exercise price: $1208.04
Footnotes: F3

TDG transaction Derivative

Stock Option

Award

Transaction value
Shares: +30,908
Change %
Price: $0.000000^*
Shares after: 30,908
Date: 03 Nov 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 30,908
Exercise price: $1208.04
Footnotes: F4

TDG transaction Derivative

Stock Option

Award

Transaction value
Shares: +4,189
Change %
Price: $0.000000^*
Shares after: 4,189
Date: 03 Nov 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,189
Exercise price: $1208.04
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

These options were granted in lieu of a cash bonus for Fiscal year 2026 in accordance with the Second Amended and Restated Employment Agreement, dated as of October 1, 2025, between TransDigm Group Incorporated and Michael Lisman, previously disclosed as Exhibit 10.1 to the Company's Form 8-K filed with the Securities and Exchange Commission on October 1, 2025 (the 'Employment Agreement'), and became exercisable on the grant date of November 3, 2026.

Footnote F2

These options were granted in lieu of a cash bonus for Fiscal year 2026 in accordance with the Employment Agreement, and are eligible to vest on September 30, 2027, subject to the applicable vesting conditions.

Footnote F3

These options were granted in accordance with the Employment Agreement and are exercisable at 20% per year over five years beginning September 30, 2027, subject to achievement of annual operating performance targets each year.

Footnote F4

These options were granted in accordance with the Employment Agreement, and are exercisable in two equal installments on September 30, 2030, and September 30, 2031, subject to achievement of annual operating performance targets each year.

Footnote F5

These options were granted in accordance with the Employment Agreement, and are exercisable at 80% in 2027 and 20% in 2028, subject to achievement of annual operating performance targets each year.