TransDigm (TDG) director granted 518 options at $1,291.97

TransDigm Group (TDG) filed a Form 4 for director Jane Cronin reporting a grant of stock options on 11/04/2025.

Rhea-AI Filing Summary

TransDigm Group (TDG) filed a Form 4 for director Jane Cronin reporting a grant of stock options on 11/04/2025. The award covers 518 options with an exercise price of $1,291.97 per share.

The options vest 20% per year over five years beginning September 30, 2026, subject to the achievement of annual operating performance targets, and expire on 11/04/2035. Following this transaction, 518 derivative securities were beneficially owned, held directly.

Insider Trade Summary

Grant/Award: 518 shares

Grant/Award 1 txn

Insider CRONIN JANE M.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option	518	$0.00	$0.00

Holdings After Transaction: Stock Option — 518 contracts (Direct)

Footnotes (1)

1. F1. These options are exercisable at 20% per year over five years beginning September 30, 2026 subject to the achievement of annual operating performance targets in each year.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did TransDigm (TDG) disclose in this Form 4?

A director, Jane Cronin, received 518 stock options at an exercise price of $1,291.97 per share on 11/04/2025.

What is the vesting schedule for the TDG options?

They vest 20% per year over five years beginning September 30, 2026, subject to annual operating performance targets.

When do these TransDigm options expire?

The options expire on 11/04/2035.

How many derivative securities were owned after the transaction?

518 derivative securities were beneficially owned following the reported transaction.

What is the ownership form of the reported options?

The ownership form is Direct (D).

Who is the reporting person in this filing?

Jane Cronin, as indicated by the signature by attorney-in-fact.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/06/2025 - 05:42 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

CRONIN JANE M.

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/04/2025

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

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	$1,291.97	11/04/2025		A		518		(1)	11/04/2035	Common Stock	518	$0	518	D

Explanation of Responses:

1. These options are exercisable at 20% per year over five years beginning September 30, 2026 subject to the achievement of annual operating performance targets in each year.

	/s/ Rachel Quinlan as attorney-in-fact for Jane Cronin	11/06/2025
	** 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.