Michael Lisman - 06 Feb 2026 Form 4 Insider Report for TransDigm Group INC (TDG)

Reporting relationship: President & CEO, Director
Issuer ticker: TDG
Reported as of: 06 Feb 2026
Net transaction value: +$1,220,048
SEC form: 4
Accepted by SEC: 09 Feb 2026, 16:30:19 UTC
Prior SEC filing: 17 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Rachel L. Quinlan as attorney in fact for Michael Lisman

Key filing fact

Michael Lisman filed Form 4 for TransDigm Group INC (TDG) on 09 Feb 2026.

Key facts

This page summarizes Michael Lisman's Form 4 filing for TransDigm Group INC (TDG).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 09 Feb 2026, 16:30.

Change

Previous filing in this sequence was filed on 17 Nov 2025.
Current net transaction value: +$1,220,048.

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: 09 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TDG transaction

Common Stock

Purchase

Transaction value: $1,220,048
Shares: +950
Change %: +41%
Price: $1284.26
Shares after: 3,259
Date: 06 Feb 2026
Ownership: Direct

TDG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,954
Date: 06 Feb 2026
Ownership: Michael Lisman Declaration of Trust dated January 31, 2023
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Form 4 filed on 11/14/2025 showed an extra line, duplicating the holding of 1,954 shares. Confirming that the correct number of shares held indirectly in trust is 1,954.