TransDigm (NYSE: TDG) Co-COO acquires 1,460 shares via option exercise

Rhea-AI Filing Summary

TransDigm Group’s Co-Chief Operating Officer Patrick Joseph Murphy exercised stock options and acquired common shares. On February 24, 2026, he exercised options for 1,160 shares and 300 shares of TransDigm common stock.

The 1,160 shares were acquired at $269.42 per share and the 300 shares at $347.17 per share through derivative exercises coded as “M.” Following these transactions, Murphy directly owned 2,515 shares of TransDigm common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Murphy Patrick Joseph

(Last) (First) (Middle)

1350 EUCLID AVE

SUITE 1600

(Street)

CLEVELAND OH 44115

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TransDigm Group INC [ TDG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Co-Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/24/2026		M		1,160	A	$269.42	2,215	D
Common Stock	02/24/2026		M		300	A	$347.17	2,515	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option	$269.42	02/24/2026		M			1,160	09/30/2020	11/10/2026	Common Stock	1,160	$0	0	D
Stock Option	$347.17	02/24/2026		M			300	09/30/2022	11/05/2028	Common Stock	300	$0	1,450	D

Explanation of Responses:

	/s/ Rachel Quinlan as attorney in fact for Patrick Murphy	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did TransDigm (TDG) report for Patrick Joseph Murphy?

TransDigm reported that Co-Chief Operating Officer Patrick Joseph Murphy exercised stock options and acquired common shares. On February 24, 2026, he converted derivative securities into 1,160 and 300 common shares in two separate transactions, increasing his direct ownership stake in TransDigm.

How many TransDigm (TDG) shares did Patrick Joseph Murphy acquire?

Patrick Joseph Murphy acquired a total of 1,460 TransDigm common shares through option exercises. He received 1,160 shares in one transaction and 300 shares in another, both coded as derivative exercises, which increased his directly held stake in the company’s common stock.

At what prices were Patrick Joseph Murphy’s TransDigm (TDG) option exercises recorded?

Murphy’s exercised options converted into common stock at transaction prices of $269.42 and $347.17 per share. These prices reflect the strike or conversion prices associated with the derivative securities that were exercised into 1,160 and 300 TransDigm common shares, respectively.

What is Patrick Joseph Murphy’s role at TransDigm (TDG) in this Form 4 filing?

In this Form 4, Patrick Joseph Murphy is identified as TransDigm’s Co-Chief Operating Officer. His executive position means these option exercises and resulting share acquisitions are reportable insider transactions, providing investors visibility into changes in his direct equity ownership in the company.

How many TransDigm (TDG) shares did Patrick Joseph Murphy own after the transactions?

After completing the option exercises and receiving the resulting common shares, Patrick Joseph Murphy directly owned 2,515 TransDigm common shares. This post-transaction balance reflects the cumulative effect of the 1,160-share and 300-share derivative conversions reported in the Form 4 filing.

What transaction code was used for Patrick Joseph Murphy’s TransDigm (TDG) trades?

The filing used transaction code “M” for all reported trades, indicating an exercise or conversion of derivative securities. This code confirms that Murphy’s activity involved stock options converting into common stock rather than open-market purchases or sales of TransDigm shares.