[144] TransDigm Group INC SEC Filing

Rhea-AI Filing Summary

TDG has a Form 144 filing indicating planned sales of restricted stock by a shareholder. The notice covers the potential sale of 1,104 common shares through broker Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $1,480,673.76. These shares were acquired on 11/20/2025 by exercising stock options for cash. The filing also reports prior Rule 10b5-1 sales for THE FORTUNA TRUST over the past three months, including 7,191 common shares sold on 11/18/2025 for $9,791,047.47 and 700 common shares sold on 10/27/2025 for $952,000.00.

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	1104	1480673.76	56318584	11/20/2025	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	11/20/2025	Exercise of Stock Options	Issuer			1104	11/20/2025	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	11/18/2025	7191	9791047.47
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?

The Form 144 for TDG discloses a shareholder's intent to sell 1,104 common shares that were acquired by exercising stock options for cash, with the sale to be executed through Morgan Stanley Smith Barney LLC on the NYSE.

How many TDG shares are planned to be sold under this Form 144?

The notice covers a planned sale of 1,104 TDG common shares, with an indicated aggregate market value of $1,480,673.76.

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

The 1,104 common shares were acquired on 11/20/2025 through an exercise of stock options, with the purchase price paid in cash.

Which broker is handling the TDG Form 144 share sale?

The planned sale of 1,104 TDG common shares is listed as being handled by Morgan Stanley Smith Barney LLC Executive Financial Services, with trades to occur on the NYSE.

What TDG shares has the filer sold in the past three months?

The filing reports prior Rule 10b5-1 sales for THE FORTUNA TRUST, including 7,191 common shares sold on 11/18/2025 for $9,791,047.47 and 700 common shares sold on 10/27/2025 for $952,000.00.

What is Rule 10b5-1 trading in the context of this TDG filing?

The past three months' TDG share sales disclosed here are identified as 10b5-1 sales for THE FORTUNA TRUST, meaning they were executed under a pre-established trading plan referenced in the notice language.