TDG Form 144: 2,736 TransDigm shares flagged for Rule 144 sale

Rhea-AI Filing Summary

TransDigm Group (TDG) insider plans a small stock sale under Rule 144. A holder has filed to sell 2,736 shares of TDG common stock through broker Stifel Nicolaus on the NYSE, with an aggregate market value of 3,652,334.00, versus 56,318,584 shares outstanding. The shares relate to a prior stock option exercise dated 11/10/2016, where 158,674 shares of common stock were acquired from the issuer and paid for in cash. The filing also reports a sale of 2,736 common shares on 08/15/2025 generating gross proceeds of 3,652,334.00. The seller represents that they are not aware of any undisclosed material adverse information about TransDigm’s current or future operations.

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 Stock	Stifel Nicolaus & Company Inc 501 N Broadway St. Louis MO 63102	2736	3652334.00	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 Stock	11/10/2016	Stock Option Exercise	Issuer			158674	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
Nicholas W Howley 1350 EUCLID AVENUE SUITE 1600 CLEVELAND OH 44115	Common Stock	08/15/2025	2736	3652334.00

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 discloses that a holder of TransDigm Group (TDG) common stock intends to sell 2,736 shares of common stock under Rule 144, using broker Stifel Nicolaus on the NYSE, with an aggregate market value of 3,652,334.00.

How many TransDigm (TDG) shares are outstanding in this Form 144?

The notice states that there are 56,318,584 shares of TransDigm common stock outstanding, providing context for the planned sale of 2,736 shares.

When were the TDG shares in this Form 144 originally acquired?

The securities to be sold are linked to a stock option exercise in which 158,674 common shares were acquired from the issuer on 11/10/2016, paid for in cash.

What prior TransDigm (TDG) sales are reported in the past 3 months?

The filing reports that Nicholas W. Howley sold 2,736 shares of TransDigm common stock on 08/15/2025, with gross proceeds of 3,652,334.00.

Which broker is handling the TDG Rule 144 sale?

The planned sale of 2,736 TransDigm common shares is to be executed through Stifel Nicolaus & Company Inc., located at 501 N Broadway, St. Louis, MO 63102.

What does the Form 144 representation about material information mean for TDG?

The seller represents that they do not know of any material adverse information about TransDigm’s current or prospective operations that has not been publicly disclosed, as required in the Form 144 notice.