Marex (MRX) Director John Pietrowicz Sells 558 Shares for Taxes

What Happened
John W. Pietrowicz, a director of Marex Group plc (MRX), had 558 ordinary shares withheld to satisfy tax withholding tied to vested restricted share awards. The shares were valued at $52.94 each (closing price used), for a total disposition of $29,541. This was a tax-withholding disposition (code F), a routine administrative action rather than an open‑market sale meant to signal investment intent.

Key Details

• Transaction date: 2026-06-01; Form 4 filed 2026-06-02 (timely filing).
• Transaction type/code: Tax withholding to satisfy tax liability (Code F).
• Shares withheld/disposed: 558 shares at $52.94 per share = $29,541.
• Footnote F1: Shares were withheld to satisfy tax obligations related to the vesting of previously reported restricted share awards.
• Footnote F2: The $52.94 price is the closing price on Nasdaq on May 29, 2026.
• Shares owned after transaction: Not disclosed in this Form 4.

Context
Tax-withholding dispositions are common when restricted shares vest; the company withholds a portion of the shares to cover required taxes. This is an administrative transaction and does not necessarily indicate the director’s view on the company’s stock.