Marex (MRX) CEO Ian Lowitt Sells 37,142 Shares

What Happened
Ian T. Lowitt, CEO of Marex Group Ltd (MRX), reported three open-market sales on July 13, 2026 totaling 37,142 ordinary shares for aggregate proceeds of approximately $2,391,704. Transactions reported: 27,398 shares at a weighted avg $64.19 (proceeds $1,758,560); 8,957 shares at $64.90 (proceeds $581,325); and 787 shares at $65.84 (proceeds $51,819). These are dispositions (sales), not purchases.

Key Details

• Transaction date: July 13, 2026; Form 4 filed July 15, 2026 (timely filing, within the 2-business-day requirement). Accession: 0001193125-26-304738.
• Reported weighted-average prices and price ranges:
  • 27,398 shares — weighted avg $64.19; trade prices ranged $63.66–$64.6533 (F2).
  • 8,957 shares — weighted avg $64.90; trade prices ranged $64.66–$65.63 (F3).
  • 787 shares — weighted avg $65.84; trade prices ranged $65.66–$66.09 (F4).
    The reporting person will provide a breakdown of shares sold at each price upon request (per footnotes).
• Sales were executed pursuant to a pre-arranged Rule 10b5-1 trading plan entered March 12, 2026 (F1).
• Shares owned after the transactions are not specified in the summary data provided here. Footnote: reported holdings include 194,411 shares underlying deferred bonus awards previously granted to the reporting person (F5).

Context
Sales made under a 10b5-1 plan are typically pre-scheduled and are often considered routine dispositions rather than a near-term signal of personal views on the company. This report documents sell-side insider activity (code S); no options exercises, gifts, or purchases were reported.