Mario Gross bought $358K of Amrize (AMRZ)
Executed Aug 8 2025, disclosed Aug 12 2025, 4 days later.
Over the 21 trading sessions from the disclosed entry session (Aug 12 2025), the stock returned +15.1% (delay-adjusted); from the execution session (Aug 8 2025), +18.0%. Derived: entry at the session's open, exit at the close 20 sessions later.
Mario Gross (Chief Supply Chain Officer) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in Amrize Ltd (AMRZ). Across 2 priced purchase filings, the average 21-session return was -2.6% from execution and -3.0% from disclosure (delay-adjusted; derived). The largest single filing was $149K of AMRZ (3,200 sh × $46.62, as filed), executed Aug 11.
Basic Materials · Amrize AG engages in the provision of various building solutions for infrastructure, commercial, and residential construction markets in No…
More Basic Materials filings→ Insider filings, newest first→ View the original filing at www.sec.gov→3,200 sh × $46.62
Exec Aug 11
Filed Aug 13 · 11:29 AM ET AMRZPURCHASE Amrize Ltd $111K
2,000 sh × $55.39
Exec Mar 13
Filed Mar 16 · 1:59 PM ET AMRZPURCHASE Amrize Ltd $149K
3,000 sh × $49.63
Exec Aug 13 2025
Filed Aug 14 2025 · 2:23 PM ET