Marex (MRX) CEO Paolo Tonucci Withholds 31,080 Shares for Taxes

What Happened
Paolo Tonucci, Chief Strategist and CEO, Capital Markets at Marex Group plc, had 31,080 ordinary shares withheld to satisfy tax withholding obligations tied to the vesting of deferred bonus plan awards. The withholding is reported as a disposition at a reported price of $54.45 per share, for a total value of $1,692,306.

Key Details

• Transaction date: 2026-05-22; Filing date: 2026-05-27 (appears filed 5 days after the transaction).
• Reported price: $54.45 (closing price on Nasdaq on May 21, 2026).
• Shares withheld/disposed: 31,080; transaction value: $1,692,306.
• Footnote highlights: F1 — shares were withheld to satisfy tax withholding on vesting; F3 — the filing references 220,746 shares underlying previously granted deferred bonus awards (each award converts to one ordinary share on vesting).
• Filing timeliness: appears late relative to the typical Form 4 two-business-day rule (check full filing for any explanation).

Context
This was a tax-withholding disposition related to vested deferred compensation (a common, administrative transaction), not an open-market sale intended to realize investment gains. Such withholdings are routine and do not, by themselves, indicate the insider’s buy/sell sentiment toward the company.