[144] TransDigm Group INC SEC Filing

Rhea-AI Filing Summary

A holder of TDG common stock filed a notice of proposed sale of 7,191 shares, with an aggregate market value of $9,605,522.07. The planned sale is to be executed through Morgan Stanley Smith Barney LLC on the NYSE, with an approximate sale date of 11/18/2025. The securities were acquired on the same date through an exercise of stock options for cash.

The issuer has 56,318,584 common shares outstanding, which serves as a baseline for the size of this planned sale. Over the prior three months, a related account, identified as 10b5-1 sales for The Fortuna Trust, sold 700 common shares for gross proceeds of $952,000.00. The seller represents that they are not aware of any undisclosed material adverse information about the issuer.

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	7191	9605522.07	56318584	11/18/2025	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	11/18/2025	Exercise of Stock Options	Issuer			7191	11/18/2025	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
10b5-1 Sales for THE FORTUNA TRUST U/T/A DTD 06/01/2018 1350 Euclid Avenue, Suite 1600 Cleveland OH 44115	Common	10/27/2025	700	952000.00

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 TDG Form 144 filing disclose about planned share sales?

The Form 144 discloses that a holder of TDG common stock intends to sell 7,191 shares, with an aggregate market value of $9,605,522.07, on the NYSE.

How and when were the TDG shares in this Form 144 acquired?

The 7,191 TDG common shares were acquired on 11/18/2025 through an exercise of stock options, with the purchase price paid in cash.

Which broker will handle the TDG Form 144 share sale?

The proposed sale of 7,191 TDG common shares will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, based at 1 New York Plaza, New York, NY.

How many TDG shares are outstanding compared to the amount being sold?

The issuer has 56,318,584 TDG common shares outstanding, compared with the holder’s planned sale of 7,191 shares under this notice.

Were any TDG shares sold by this holder in the past three months?

Yes. Over the past three months, 10b5-1 sales for The Fortuna Trust involved the sale of 700 TDG common shares on 10/27/2025 for gross proceeds of $952,000.00.

What representation does the seller make in the TDG Form 144 notice?

The seller represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.