Form 4: TransDigm Director Sells Shares After Option Exercise
Insider Transaction Report
TransDigm Group Director Kevin M. Stein executed a pre-planned sale of 230 common shares following an option exercise, as disclosed in a recent SEC Form 4 filing.
Summary
- Kevin M. Stein, a Director of TransDigm Group INC (TDG), reported transactions on November 21, 2025.
- He acquired 230 shares of common stock through the exercise of stock options at a price of $105.88 per share. This exercise price was adjusted for dividends declared since August 1, 2022.
- Concurrently, he sold 230 shares of common stock at an average weighted price of $1,360.3096 per share, with sales occurring in a range of $1,360.0000 to $1,360.9999.
- These transactions were conducted pursuant to a Rule 10b5-1(c) pre-arranged trading plan.
- Following these transactions, Stein indirectly beneficially owns 8,158 shares of common stock and 64,275 stock options through the Fortuna Trust dated June 1, 2018.
Sentiment
Score: 5
Explanation: Neutral to slightly negative. While it's an insider sale, it's a pre-planned transaction (10b5-1) and the director retains significant holdings, mitigating strong negative sentiment.
Positives
- The transactions were executed under a Rule 10b5-1(c) plan, indicating a pre-scheduled sale rather than a reaction to new, undisclosed information.
- Kevin M. Stein retains significant indirect beneficial ownership of 8,158 common shares and 64,275 stock options in TransDigm Group.
Negatives
- A director sold 230 shares of common stock, which represents a reduction in direct equity holdings, albeit offset by the option exercise.
Future Outlook
NA
Industry Context
This filing is specific to an individual director's equity transactions and does not provide broader industry context or trends.
Related Party Transactions
- The transactions involved shares and options held indirectly through the Fortuna Trust dated June 1, 2018, which is a related party to Kevin M. Stein.
Stakeholder Impact
- Shareholders may view the director's sale of shares, even if pre-planned, as a slight negative, though the retention of significant holdings and the 10b5-1 plan context temper this.
Key Dates
| Date | Description |
|---|---|
| 2018-06-01 | Date of Fortuna Trust establishment. |
| 2018-09-30 | Date stock options became exercisable. |
| 2022-08-01 | Date from which stock option exercise price adjustments for dividends began. |
| 2025-04-25 | Expiration date of stock options. |
| 2025-11-21 | Date of option exercise and stock sale transactions. |
| 2025-11-24 | Date the Form 4 was signed and filed. |
Recommendation
holdThe filing details a routine, pre-planned insider transaction (option exercise and subsequent sale) by a director. While it's a sale, the execution under a 10b5-1 plan suggests it's not based on new, adverse information. The director retains substantial holdings, indicating continued alignment with shareholder interests. This type of transaction typically does not warrant a change in investment thesis for a seasoned investor.
Keywords
TransDigm Group, TDG, SEC Form 4, Insider Trading, Stock Option Exercise, Share Sale, Kevin M. Stein, Director, 10b5-1 Plan, Beneficial Ownership
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