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SEC FORM 4 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).
1. Name and Address of Reporting Person*
Reiss Joel
(Last) (First) (Middle)
TRANSDIGM GROUP INCORPORATED
1301 E. 9TH ST., SUITE 3000
(Street)
CLEVELAND OH 44114
(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
Co-Chief Operating Officer
3. Date of Earliest Transaction (Month/Day/Year)
06/15/2023
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
Rule 10b5-1(c) Transaction Indication

X
 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
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 06/15/2023 M 3,000 A $226.34 6,600 D
Common Stock 06/15/2023 S 60 D $806.12 6,540 D
Common Stock 06/15/2023 S 161 D $809.8563(1) 6,379 D
Common Stock 06/15/2023 S 379 D $811.075(2) 6,000 D
Common Stock 06/15/2023 S 400 D $811.9824(3) 5,600 D
Common Stock 06/15/2023 S 1,471 D $813.249(4) 4,129 D
Common Stock 06/15/2023 S 482 D $814.3054(5) 3,647 D
Common Stock 06/15/2023 S 46 D $815.3278(6) 3,601 D
Common Stock 06/15/2023 S 1 D $815.98 3,600 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
Stock Option $226.34 06/15/2023 M 3,000 09/30/2016 11/06/2025 Common Stock 3,000 $0.00 66,300 D
Explanation of Responses:
1. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $809.50 -$810.26. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.
2. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $810.50 -$811.46. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.
3. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $811.56 -$812.51. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.
4. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $812.695 -$813.67. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.
5. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $813.77 -$814.76. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.
6. Price reported constitutes the average weighted price of shares purchased. Shares were purchased at varying prices in the range of $814.78 -$815.69. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.
Remarks:
/s/ Gabrielle Feuer attorney-in-fact 06/16/2023
** 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.