TransDigm (TDG) director Michele Santana receives 30-share stock grant as fee

Rhea-AI Filing Summary

Santana Michele reported acquisition or exercise transactions in this Form 4 filing.

TransDigm Group INC director Michele Santana received 30 shares of Common Stock as a compensation award. The shares were valued at $1,214.66 each and were issued in lieu of a semi-annual director cash fee, based on fair market value under the company’s Director Share Plan. After this grant, Santana directly holds 771 TransDigm shares, reflecting routine equity-based board compensation rather than an open-market purchase.

Insights

Equity compensation analyst

Routine director equity grant, small relative to holdings and non-market.

Director Michele Santana received 30 TransDigm shares as a stock grant, valued at $1,214.66 per share. The footnote explains this is stock in lieu of a semi-annual director fee, consistent with a standard director share plan.

This transaction is classified as an acquisition by grant (code A), not an open-market purchase. Following the award, Santana directly holds 771 shares, so the grant represents a modest increase. As a routine compensation event, it carries limited signaling value for the company’s outlook.

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

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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^*

Santana Michele

(Last) (First) (Middle)

3469 AEGEAN RD

(Street)

AKRON OHIO 44333

(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)
03/20/2026

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	03/20/2026		A		30(1)	A	$1,214.66	771	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.

	/s/ Rachel L. Quinlan as attorney in fact for Michele Santana	03/23/2026
	** 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)

FAQ

What did TransDigm (TDG) director Michele Santana report in this Form 4?

Michele Santana reported receiving 30 shares of TransDigm Common Stock as an equity award. The shares were issued instead of a semi-annual director cash fee and valued at $1,214.66 per share under the company’s Director Share Plan.

Was Michele Santana’s TransDigm (TDG) Form 4 transaction a stock purchase or a grant?

The transaction was a grant, not an open-market stock purchase. It is coded “A” for grant or award and reflects receipt of 30 Common Stock shares as director compensation in lieu of a cash fee under the Director Share Plan.

How many TransDigm (TDG) shares does Michele Santana hold after this Form 4 transaction?

After receiving the 30-share grant, Michele Santana directly holds 771 TransDigm Common Stock shares. This figure reflects her position following the reported equity award and shows the grant was a relatively small addition to her existing holdings.

What price was used to value the TransDigm (TDG) shares granted to Michele Santana?

The 30 shares granted to Michele Santana were valued at $1,214.66 per share. The footnote states this value was based on the fair market value used to convert the semi-annual director fee into stock under the Director Share Plan.

Why did Michele Santana receive TransDigm (TDG) shares instead of cash for her director fee?

Santana received stock in lieu of her semi-annual director cash fee, according to the filing footnote. The Director Share Plan allows fees to be paid in shares based on fair market value, aligning director compensation more closely with shareholder interests.

Does Michele Santana’s Form 4 filing for TransDigm (TDG) indicate any stock sales?

The Form 4 shows no stock sales by Michele Santana. It reports only an acquisition coded as a grant, where she received 30 Common Stock shares as compensation, increasing her direct holdings to 771 shares with no dispositions disclosed.