Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Laubenthal Raymond F
  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)
(Last)
(First)
(Middle)
TRANSDIGM GROUP INCORPORATED, 1301 EAST 9TH STREET, SUITE 3000
3. Date of Earliest Transaction (Month/Day/Year)
02/23/2015
(Street)

CLEVELAND, OH 44114
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 02/23/2015   J(1) V 60,000 D $ 0 0 D  
Common Stock 04/14/2015   J(2) V 3,650 A $ 0 3,789 D  
Common Stock 11/18/2015   J(2) V 23,875 A $ 0 27,794 D  
Common Stock 11/24/2015   J(1) V 27,655 D $ 0 139 D  
Common Stock 04/14/2015   J(2) V 3,650 D $ 0 66,350 I Raymond F Laubenthal 2014 Relative GRAT 11/14/14
Common Stock 11/18/2015   J(2) V 23,875 D $ 0 42,475 I Raymond F Laubenthal 2014 Relative GRAT 11/14/14
Common Stock 11/24/2015   J(1) V 27,655 A $ 0 27,655 I Raymond Laubenthal Grantor Retained Annuity Trust #3
Common Stock 02/23/2015   J(1) V 60,000 A $ 0 60,000 I Raymond F Laubenthal Grantor Retained Annuity Trust #2

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Laubenthal Raymond F
TRANSDIGM GROUP INCORPORATED
1301 EAST 9TH STREET, SUITE 3000
CLEVELAND, OH 44114
  X      

Signatures

 Halle Fine Terrion as attorney in fact for Raymond Laubenthal   11/25/2015
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Transfer of title to GRAT trust for estate planning purpose.
(2) Reversion from GRAT trust
 
Remarks:
This Form 4 is being filed solely to report changes from direct to indirect ownership and vice versa.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.