TransDigm Co-COO Exercises and Sells 3,900 Shares Under Rule 10b5-1 Plan
TransDigm Group INC
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Filing Summary
Insider Sale / Option Exercise Notification
Company: TransDigm Group INC ($TDG)
Insider: Joel Reiss (Co-Chief Operating Officer)
Transaction Date: September 15, 2026
Action: Exercised 3,900 stock options at $284.97 and sold 3,900 shares at weighted average prices ranging from $1,082.96 to $1,119.00 ($4.27M total proceeds).
10b5-1 Plan: Yes
Shares Held After: 3,600 shares (direct)
Comprehensive Analysis
Insider Transaction Summary
- Reporting Owner: Joel Reiss, Co-Chief Operating Officer of TransDigm Group INC (
TDG) - Transaction Type: Stock Option Exercise & Sale under a Rule 10b5-1 trading plan
- Transaction Date: September 15, 2026
Key Details
- Option Exercise: Exercised 3,900 stock options with an exercise price of $284.97 per share, leaving 4,100 derivative options remaining from the grant.
- Open Market Sales: Sold all 3,900 newly acquired shares across 26 tranches at prices ranging between $1,082.35 and $1,119.02 per share, generating aggregate gross proceeds of approximately $4.27 million.
- Post-Transaction Holdings: Direct common stock holdings remain unchanged at 3,600 shares, reflecting a standard cashless/same-day exercise and sale strategy under a pre-arranged Rule 10b5-1 plan.
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