TransDigm grants Joel Reiss 19,250 stock options

The options are subject to annual operating performance targets, with exercisability beginning in 2027 and later installments in 2030 and 2031.

Available on EDGAR 11/05/2026 - 05:13 PM EST Accepted by SEC EDGAR 11/05/2026 - 05:12 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

TransDigm Group (TDG) Co-Chief Operating Officer Joel Reiss received an award of 19,250 stock options on November 3, 2026, with an exercise price of $1,208.04 per share and an expiration date of November 3, 2036. The award is subject to annual operating performance targets: 7,600 options are exercisable at 20% per year over five years beginning September 30, 2027, and 11,650 options are exercisable in two equal installments on September 30, 2030, and September 30, 2031.

Insider Trade Summary

Grant/Award: 19,250 shares

Grant/Award 1 txn

Insider Reiss Joel

Role Co-Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Option F1	19,250	$0.00	$0.00

Holdings After Transaction: Stock Option — 19,250 contracts (Direct)

Footnotes (1)

1. F1. 7,600 options are exercisable at 20% per year over five years beginning September 30, 2027, subject to achievement of annual operating performance targets each year. 11,650 options are exercisable in two equal installments on September 30, 2030, and September 30, 2031, subject to achievement of annual operating performance targets each year.

Key Figures

Stock options awarded: 19,250 options Exercise price: $1,208.04 per share Options in first schedule: 7,600 options +3 more

6 metrics

Stock options awarded 19,250 options Awarded November 3, 2026

Exercise price $1,208.04 per share Awarded options

Options in first schedule 7,600 options Exercisable at 20% per year over five years beginning September 30, 2027, subject to annual operating performance targets

Annual exercisability rate 20% per year For 7,600 options over five years beginning September 30, 2027

Options in later installments 11,650 options Two equal installments on September 30, 2030, and September 30, 2031, subject to annual operating performance targets

Expiration date November 3, 2036 Awarded options

Key Terms

exercisable, annual operating performance targets, equal installments

3 terms

exercisable financial

"7,600 options are exercisable at 20% per year over five years"

annual operating performance targets financial

"subject to achievement of annual operating performance targets each year"

equal installments financial

"exercisable in two equal installments on September 30, 2030, and September 30, 2031"

FAQ

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

How many stock options did TransDigm Group (TDG) COO Joel Reiss receive?

Joel Reiss, TransDigm Group's Co-Chief Operating Officer, received 19,250 stock options on November 3, 2026, with an exercise price of $1,208.04 per share. The options expire November 3, 2036.

What is the vesting schedule for Joel Reiss's TDG options?

7,600 options are exercisable at 20% per year over five years beginning September 30, 2027. A further 11,650 options are exercisable in two equal installments on September 30, 2030, and September 30, 2031. Both schedules are subject to achievement of annual operating performance targets each year.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Reiss Joel

(Last) (First) (Middle)

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2026

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

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	$1,208.04	11/03/2026		A		19,250		(1)	11/03/2036	Common Stock	19,250	$0.00	19,250	D

Explanation of Responses:

1. 7,600 options are exercisable at 20% per year over five years beginning September 30, 2027, subject to achievement of annual operating performance targets each year. 11,650 options are exercisable in two equal installments on September 30, 2030, and September 30, 2031, subject to achievement of annual operating performance targets each year.

Remarks:

	/s/ Rachel L. Quinlan as attorney in fact for Joel Reiss	11/05/2026
	** 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)