[144] TransDigm Group INC SEC Filing

Rhea-AI Filing Summary

TransDigm Group (TDG) has a Form 144 notice indicating a planned sale of 11,700 shares of common stock through Morgan Stanley Smith Barney LLC on 11/17/2025, to be traded on the NYSE. The shares were acquired the same day via a cash exercise of stock options for 11,700 shares. The issuer had 56,318,584 shares outstanding at the time referenced. Over the prior three months, the same seller disposed of 3,000 shares of common stock on each of 10/20/2025, 09/22/2025, and 08/20/2025, for gross proceeds of 4,218,208.06, 3,828,204.43, and 3,838,757.38, respectively.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	11700	15685020.00	56318584	11/17/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/17/2025	Exercise of Stock Options	Issuer			11700	11/17/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
JOEL B REISS 1350 Euclid Avenue, Suite 1600 Cleveland OH 44115	Common	10/20/2025	3000	3838757.38
JOEL B REISS 1350 Euclid Avenue, Suite 1600 Cleveland OH 44115	Common	09/22/2025	3000	3828204.43
JOEL B REISS 1350 Euclid Avenue, Suite 1600 Cleveland OH 44115	Common	08/20/2025	3000	4218208.06

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the TransDigm (TDG) Form 144 filing disclose?

The Form 144 discloses a planned sale of 11,700 shares of TransDigm common stock on 11/17/2025, to be executed on the NYSE through Morgan Stanley Smith Barney LLC.

How many TransDigm (TDG) shares are planned to be sold and how were they acquired?

The seller plans to sell 11,700 common shares, all of which were acquired on 11/17/2025 via a cash exercise of stock options for the same number of shares.

How many TransDigm (TDG) shares were outstanding at the time referenced in the Form 144?

The Form 144 notes that 56,318,584 shares of TransDigm common stock were outstanding at the time referenced.

Which broker will handle the planned TransDigm (TDG) share sale?

The planned sale of 11,700 TransDigm common shares will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, NY 10004.

What prior TransDigm (TDG) stock sales by the same seller are disclosed?

Over the prior three months, the seller sold 3,000 shares of TransDigm common stock on each of 08/20/2025, 09/22/2025, and 10/20/2025, for gross proceeds of 4,218,208.06, 3,828,204.43, and 3,838,757.38, respectively.

What representation does the seller make in the TransDigm (TDG) Form 144?

By signing the notice, the seller represents that they do not know any material adverse information about TransDigm’s current or prospective operations that has not been publicly disclosed.