TDG TransDigm Group INC Insider Trading

TDG director Howley sells 10,132 shares for $11,964,054.47 on 2026-05-18 via scheduled 10b5-1 plan

Howley W Nicholas, a director at TransDigm Group, executed 25 separate sales totaling 10,132 shares for $11,964,054.47 on 2026-05-18, reducing his holdings by 32.0% from 31,679 to 21,547 shares. The transaction was conducted under a pre-arranged 10b5-1 trading plan, meaning it was scheduled rather than discretionary. His prior sales at TDG (5 trades on 2026-04-20) have shown negative 30-day and 90-day returns ranging from -8.9% to -9.6%, while his cross-ticker track record shows average 90-day returns of -7.5% following sells. With the stock currently trading at $1,182.35 against a 52-week high of $1,623.82 (-27.2%), investors should monitor whether this scheduled reduction reflects prior planning windows or broader positioning, though the 10b5-1 structure limits inference about current conviction.

Co-COO Reiss Joel sells 3,900 shares at TDG for $4,500,951.18 via 27 transactions under 10b5-1 plan

Reiss Joel, Co-Chief Operating Officer, executed 27 separate sales totaling 3,900 shares for $4,500,951.18 on 2026-05-15, reducing his holdings from 7,500 shares to 3,600 shares (a -52.0% reduction in his stake). This transaction is part of a pre-arranged 10b5-1 trading plan, meaning it is scheduled rather than discretionary. The blended average price across all transactions was $1,154.09. At the time of filing, the stock was trading at $1182.35, positioned -27.2% from its 52-week high of $1623.82. Historically, across his open-market activity, Reiss Joel's 20 prior sells showed an average 90-day return of -10.1%, and his prior 5 trades at TDG specifically showed 90-day returns ranging from -10.1% to -11.0%.