IJ
Insider
Ian A Johnston
Chief Financial OfficerIan A Johnston (Chief Financial Officer) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in Amrize Ltd (AMRZ). Across 1 priced purchase filing, the average 21-session return was -4.2% from execution and -2.8% from disclosure (delay-adjusted; derived). The largest single filing was $250K of AMRZ (4,250 sh × $58.94, as filed), executed Mar 10.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
-4.2%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-2.8%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
1d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$250K
shares × price, as filed
Last traded
Mar 10
Filed Mar 11
Median ADV $152.3M across their filed names
Open performance→Volume by month
Buys $507K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Basic Materials
1 filing
Sector per market data · by filing · past 12 months
Most traded names
AMRZRecent filings
AMRZPURCHASE
Amrize Ltd
View filing →
$250K4,250 sh × $58.94
Exec Mar 10
Filed Mar 11 · 2:00 PM ET AMRZPURCHASE Amrize Ltd View filing → $256K
5,370 sh × $47.73
Exec Aug 8 2025
Filed Aug 11 2025 · 2:14 PM ET