TransDigm director granted 41 shares as fee

TransDigm director Gary E. McCullough received common stock instead of cash for his semi-annual board fee, modestly increasing his direct holdings.

Rhea-AI Filing Summary

TransDigm Group INC (symbol: TDG) is the issuer of record for a Form 4 filing submitted to the SEC. MCCULLOUGH GARY E reported acquisition or exercise transactions in this Form 4 filing.

TransDigm Group INC (TDG) reported that director Gary E. McCullough received a grant of 41 shares of common stock on September 18, 2026. The shares were valued at $1,085.00 per share and were issued in lieu of a semi-annual director fee under the company’s Director Share Plan, bringing his direct holdings to 993 shares.

Insider Trade Summary

Grant/Award: 41 shares

Grant/Award 1 txn

Insider MCCULLOUGH GARY E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	41	$1,085.00	$44K

Holdings After Transaction: Common Stock — 993 shares (Direct)

Footnotes (1)

1. F1. Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.

Key Figures

Shares granted: 41 shares Grant valuation price: $1,085.00 per share Shares held after transaction: 993 shares

3 metrics

Shares granted 41 shares Common stock grant to director on September 18, 2026

Grant valuation price $1,085.00 per share Fair market value used to determine semi-annual director fee stock grant

Shares held after transaction 993 shares Director’s direct holdings of TransDigm common stock after the grant

Key Terms

Director Share Plan, fair market value, semi-annual director fee

3 terms

Director Share Plan financial

"in accordance with the Director Share Plan"

fair market value financial

"based on fair market value in accordance with the Director Share Plan"

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

semi-annual director fee financial

"in lieu of payment of semi-annual director fee"

FAQ

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

What insider transaction did TDG director Gary E. McCullough report?

He reported the grant of 41 shares of TransDigm common stock on September 18, 2026, classified as a grant or award acquisition rather than an open-market purchase or sale.

At what value was the TransDigm (TDG) stock grant to the director recorded?

The 41-share grant to director Gary E. McCullough was recorded at $1,085.00 per share, based on the fair market value in accordance with TransDigm’s Director Share Plan.

How many TransDigm (TDG) shares does Gary E. McCullough hold after this Form 4 transaction?

Following the grant reported on this Form 4, Gary E. McCullough directly holds 993 shares of TransDigm common stock.

What is the nature of the TransDigm (TDG) stock that McCullough received?

The 41 shares of TransDigm common stock were received in lieu of payment of a semi-annual director fee, issued at fair market value under the company’s Director Share Plan.

Was the TransDigm (TDG) director’s stock grant made under a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is not checked, and the footnote describes the transaction as receipt of stock in lieu of a semi-annual director fee under the Director Share Plan.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 09/21/2026 - 04:20 PM Accepted by SEC EDGAR 09/21/2026 - 04:19 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^*

MCCULLOUGH GARY E

(Last) (First) (Middle)

5910 FIREFLY PLACE

(Street)

PLAYA VISTA CALIFORNIA 90094

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/18/2026

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

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

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

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	09/18/2026		A		41(1)	A	$1,085	993	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

Explanation of Responses:

1. Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.

Remarks:

	/s/ Rachel L. Quinlan as attorney in fact for Gary McCullough	09/21/2026
	** 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.
* Form 4: SEC 1474 (03-26)