Marex (MRX) Chief Strategist/CEO Paolo Tonucci Withholds 18,293 Shares

What Happened

• Paolo Tonucci, Chief Strategist and CEO, Capital Markets at Marex Group Ltd (MRX), had 18,293 ordinary shares withheld to satisfy tax withholding related to the vesting of awards under the company's 2022 Annual Long Term Incentive Plan. The shares are reported at $78.27 each for a total value of $1,431,793. This was a tax-withholding disposition (code F), not an open-market sale or a purchase.

Key Details

• Transaction date: September 7, 2026; Form 4 filed September 9, 2026 (appears timely).
• Price used: $78.27 per share (footnote says this is the Nasdaq closing price on Sept 4, 2026).
• Shares withheld/disposed: 18,293; total reported value ≈ $1,431,793.
• Shares owned after transaction: not explicitly stated in the filing. Footnote F3 notes the report includes (i) 20,628 shares underlying the 2022 LTIP and (ii) 220,746 shares underlying deferred bonus plan awards (241,374 contingent shares total) — these are contingent rights to receive shares upon vesting.
• Footnotes: F1 = shares withheld to satisfy tax withholding on vesting; F2 = price = Nasdaq close on 9/4/2026; F3 = counts of underlying contingent awards included in the report.
• Filing timeliness: Filed two days after the transaction date; no late-filing indication in the record provided.

Context

• This was a routine tax-withholding event (cashless share surrender) connected to vested equity awards, not a discretionary sale for investment purposes. Such withholdings are common when restricted stock or similar awards vest and do not necessarily signal the insider's market view.