TransDigm Group INC 4

Co‑Chief Operating Officer Joel Reiss exercised 3,900 TransDigm Group (TDG) stock options and sold about 3,486 shares of common stock in multiple open‑market transactions on July 15, 2026.

On July 15, 2026, TransDigm Group Inc. Co‑Chief Operating Officer Joel Reiss exercised 3,900 stock options at an exercise price of $284.97 per share (a value of roughly $1.1 million) to acquire 3,900 shares of TransDigm common stock, increasing his direct holdings to 7,500 shares immediately after the exercise. On the same day, he executed a series of open‑market sales totaling 3,486 shares of common stock at prices generally in the $1,195–$1,229 range, generating aggregate proceeds of approximately $4.2 million and reducing his direct ownership to 4,014 shares by the end of the reported sequence. Using the contemporaneous trading prices (around $1,214 per share), his post‑transaction direct holdings are worth roughly $4.9 million. The sales are broken into numerous small line items due to SEC table line‑item limits, and the filing notes that reported prices are volume‑weighted averages over narrow intraday ranges.

Filing Facts

CIK

1260221

Ticker

TDG

Form

4

Source Type

sec

Accession

0001656109-26-000004

Alert Tier

6