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TransDigm Group Inc. (TDG) director Michael Graff reported a gift of 340 shares of common stock on 11/21/2025, as shown on this Form 4. The transaction, coded "G" for gift, was at a reported price of $0 per share.
After this transaction, Graff directly owns 1,653 TransDigm common shares. He also reports indirect ownership of 5,096 shares held by The 2012 Carol Ostrow GST Trust created by his spouse for their children, and 7,000 shares held by certain other trusts created for the benefit of their children, for which he serves as trustee.
TransDigm Group (TDG) director Form 4 shows an option exercise and matching share sale by an affiliated trust. On 11/21/2025, the Fortuna Trust dated June 1, 2018 exercised 230 stock options for TransDigm common stock at an exercise price of $105.88 per share and acquired 230 shares. The trust then sold 230 common shares at an average price of $1,360.3096 per share, leaving it with 8,158 shares of indirect beneficial ownership. Following the transaction, the trust continues to hold 64,275 stock options indirectly, with an exercise price of $105.88 and an expiration date of 04/25/2028.
TransDigm Group (TDG) has a Form 144 notice for the potential sale of 230 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE. The filing lists an aggregate market value of $305,410.10 for these shares and notes that 56,318,584 common shares were outstanding at the time referenced. The 230 shares were acquired on 11/21/2025 by exercising stock options for cash on the same date.
The notice also details recent activity under a Rule 10b5-1 trading plan for The Fortuna Trust, including common stock sales of 1,104 shares on 11/20/2025, 7,191 shares on 11/18/2025, and 700 shares on 10/27/2025, with disclosed gross proceeds for each transaction. The signatory represents that they are not aware of undisclosed material adverse information about the issuer.
TransDigm Group (TDG) director Kevin Stein, reporting through the Fortuna Trust dated June 1, 2018, disclosed an option exercise and related share sales. On 11/20/2025, the trust exercised a stock option for 1,104 shares of common stock at an exercise price of $105.88 per share, originally granted in 2018 and expiring in 2028. The same day, the trust sold 655 shares at an average $1,360.3298, 400 shares at an average $1,361.5239, and 49 shares at an average $1,363.2231, with each sale reported as an average weighted price over a narrow range. After these transactions, the trust beneficially owned 8,158 shares of TransDigm common stock and 64,505 stock options, all reported as indirect ownership through the trust.
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.
TransDigm Group Inc. (TDG) director Kevin Stein reported an option exercise and related share sales on 11/18/2025, all held indirectly through the Fortuna Trust dated June 1, 2018. A stock option for 7,191 shares of common stock was exercised at an adjusted price of $105.88 per share.
The shares acquired on exercise were then sold in multiple open-market transactions the same day, using weighted-average prices, with example sales including 3,580 shares at $1,360.2775 and 1,531 shares at $1,362.6356. The filing notes that the exercise price has been adjusted for dividends declared since August 1, 2022. After these transactions, the trust beneficially owns 8,158 shares of TransDigm common stock and 65,609 stock options.
TransDigm Group Inc. (TDG) Co-Chief Operating Officer Joel Reiss reported an insider transaction involving company common stock. On 11/17/2025, he exercised a stock option to acquire 3,900 shares of TransDigm common stock at an exercise price of $284.97 per share and, on the same date, reported a series of open-market sales of common stock at average prices generally between about $1,326.16 and $1,353.92 per share. Following these transactions, he reported beneficial ownership of 3,600 shares of common stock held directly and 43,100 stock options held directly.
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.
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.
TransDigm Group Inc. (TDG) director and President & CEO Michael J. Lisman reported multiple open‑market purchases of common stock on 11/14/2025 through the Michael Lisman Declaration of Trust dated January 31, 2023. The trust acquired 1,954 shares of TransDigm common stock in several transactions, including 600 shares at $1,334.13 and additional blocks at weighted average prices of $1,337.3825, $1,338.5578, $1,341.4904, $1,342.9335, and $1,344.7603 per share. After these transactions, Lisman is reported as beneficially owning 1,954 shares indirectly via the trust and 2,309 shares directly, with the direct holdings noted as previously omitted from an earlier report.