Jan Philipp Jenisch bought $23.3M 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.
Jan Philipp Jenisch (Chairman & CEO) filed 5 Form 4 reports in the trailing twelve months (5 purchases, 0 sales), most often in Amrize Ltd (AMRZ). Across 4 priced purchase filings, the average 21-session return was +1.9% from execution and +5.9% from disclosure (delay-adjusted; derived). The largest single filing was $5.8M of AMRZ (110,000 sh across 2 lots, as filed), executed Oct 30 2025.
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→25,000 sh across 2 lots
Exec Sep 2
Filed Sep 3 · 12:40 PM ET AMRZPURCHASE Amrize Ltd $647K
13,001 sh across 3 lots
Exec May 19
Filed May 20 · 10:26 AM ET AMRZPURCHASE Amrize Ltd $1.4M
28,417 sh across 3 lots
Exec May 15
Filed May 18 · 4:33 PM ET AMRZPURCHASE Amrize Ltd $3.5M
60,000 sh × $58.05
Exec Mar 6
Filed Mar 9 · 1:31 PM ET AMRZPURCHASE Amrize Ltd $5.8M
110,000 sh across 2 lots
Exec Oct 30 2025
Filed Oct 31 2025 · 11:36 AM ET AMRZPURCHASE Amrize Ltd $28.5M
595,000 sh across 5 lots
Exec Aug 11 2025
Filed Aug 12 2025 · 5:56 PM ET