Jan Philipp Jenisch

Chairman & CEO

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.

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Return, ttmiAverage return per filing, trailing twelve months

+1.9%

avg across 4 priced filings

Delay-adjustediThe same average, entered at disclosure dates

+5.9%

same 4 filings, from disclosure

Filings, ttm

5 buys · 0 sells

Median delay

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$12.4M

shares × price, as filed

Last traded

Sep 2

Filed Sep 3

Median ADV $152.3M across their filed names

Impact on $10,000 · 12M

$10,799 (+8.0%)

S&P 500 $11,725 (+17.2%) · 9.3 pts behind

Jan Philipp Jenisch S&P 500

Compounded across filings from disclosure dates · past 12 months

Open performance→

Volume by month

Buys $64.2M Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Basic Materials 5 filings

Sector per market data · by filing · past 12 months

Most traded names

AMRZ

Amrize Ltd AMRZ · 7 buys · 0 sells 7 filings

Recent filings

AMRZPURCHASE Amrize Ltd View filing → $1.1M
25,000 sh across 2 lots
Exec Sep 2
Filed Sep 3 · 12:40 PM ET AMRZPURCHASE Amrize Ltd View filing → $647K
13,001 sh across 3 lots
Exec May 19
Filed May 20 · 10:26 AM ET AMRZPURCHASE Amrize Ltd View filing → $1.4M
28,417 sh across 3 lots
Exec May 15
Filed May 18 · 4:33 PM ET AMRZPURCHASE Amrize Ltd View filing → $3.5M
60,000 sh × $58.05
Exec Mar 6
Filed Mar 9 · 1:31 PM ET AMRZPURCHASE Amrize Ltd View filing → $5.8M
110,000 sh across 2 lots
Exec Oct 30 2025
Filed Oct 31 2025 · 11:36 AM ET AMRZPURCHASE Amrize Ltd View filing → $28.5M
595,000 sh across 5 lots
Exec Aug 11 2025
Filed Aug 12 2025 · 5:56 PM ET AMRZPURCHASE Amrize Ltd View filing → $23.3M
499,546 sh across 7 lots
Exec Aug 8 2025
Filed Aug 12 2025 · 5:28 PM ET