TransDigm director granted 34 shares at $1,085

TransDigm Group INC (TDG) reported that director Peter Palmer acquired 34 shares of common stock on September 18, 2026 as a grant in lieu of his semi-annual director fee.

Available on EDGAR 09/21/2026 - 04:59 PM EDT Accepted by SEC EDGAR 09/21/2026 - 04:59 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

TransDigm Group INC (TDG) reported that director Peter Palmer acquired 34 shares of common stock on September 18, 2026 as a grant in lieu of his semi-annual director fee. The stock was valued at $1,085 per share based on fair market value under the company’s Director Share Plan, bringing his direct holdings to 4,064 shares. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Grant/Award: 34 shares

Grant/Award 1 txn

Insider Palmer Peter

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	34	$1,085.00	$37K

Holdings After Transaction: Common Stock — 4,064 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 acquired: 34 shares Grant value per share: $1,085 per share Holdings after transaction: 4,064 shares

3 metrics

Shares acquired 34 shares Stock grant to director Peter Palmer on September 18, 2026

Grant value per share $1,085 per share Fair market value used to convert semi-annual director fee into stock

Holdings after transaction 4,064 shares Peter Palmer’s direct ownership of TransDigm Group INC common stock after the grant

Key Terms

Director Share Plan, fair market value, semi-annual director fee, Grant, award, or other acquisition

4 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

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

Grant, award, or other acquisition financial

"transaction code description Grant, award, or other acquisition"

FAQ

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

What insider transaction did TDG director Peter Palmer report?

Director Peter Palmer reported an acquisition of 34 shares of TransDigm Group INC common stock on September 18, 2026, received as a stock grant in lieu of his semi-annual director fee under the Director Share Plan.

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

The 34-share stock grant to Peter Palmer was recorded at $1,085 per share, based on the fair market value of TransDigm Group INC common stock in accordance with the company’s Director Share Plan.

How many TransDigm (TDG) shares does Peter Palmer hold after this transaction?

After the September 18, 2026 stock grant, Peter Palmer directly holds 4,064 shares of TransDigm Group INC common stock, as reported in the Form 4 filing.

Was Peter Palmer’s TDG stock acquisition a market purchase or a grant?

It was a grant/award acquisition, not a market purchase. Peter Palmer received 34 shares of TransDigm Group INC common stock as stock in lieu of payment of his semi-annual director fee under the Director Share Plan.

Was the TDG Form 4 transaction made under a Rule 10b5-1 plan?

No. The filing indicates that no Rule 10b5-1 trading plan is reported for the September 18, 2026 grant of 34 shares to director Peter Palmer.

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

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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^*

Palmer Peter

(Last) (First) (Middle)

TRANSDIGM GROUP, INC.

1350 EUCLID AVE., SUITE 1600

(Street)

CLEVELAND OHIO 44115

(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		34(1)	A	$1,085	4,064	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 Peter Palmer	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)