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buyModerate cluster of 8

Stephen S Clark bought $259k of AMRZ

Chief People Officer at Amrize Ltd. 5,000 shares at an average of $51.82, traded Aug 15, 2025, filed Aug 18, 2025.

Conviction score
51
Value
$259k
5,000 shares
Holdings after
5,000
change unknown
From 52-week low
+10%
low $46.08, close $50.75
From 52-week high
-3%
high $52.35, as of Aug 15, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $259k at market
    +13
  • Relative to holdings
    First purchase: no shares before this trade
    +8
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    8 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +6.6%, 3m -4.8%, 6m +16.5%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

AMRZOct 9, 2026 · close 36.20
Since filing Aug 18, 2025: -27.4%SPY +22.6% · excess -50.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002035989-25-000024, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 15, 2025POpen-market purchase
Ordinary Shares
+100$51.63$5,163100Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+70$51.63$3,614170Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+22$51.78$1,139192Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+100$51.79$5,179292Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+367$51.80$19k659Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+301$51.81$16k960Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+1,000$51.82$52k1,960Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+1,040$51.83$54k3,000Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+500$51.84$26k3,500Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+1,100$51.85$57k4,600Aug 18, 2025
Aug 15, 2025POpen-market purchase
Ordinary Shares
+400$51.86$21k5,000Aug 18, 2025

Related signals

Other insiders at Amrize Ltd and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
83Strong
AMRZbuy 5
Amrize Ltd
Jan Philipp Jenisch
Chairman & CEO
$1.3M
30,000 shares
+2%
43Moderate
AMRZbuy 6
Amrize Ltd
Dwight Audley Konrad Gibson
director
$244
5 shares
+0%
69Notable
AMRZbuy 11
Amrize Ltd
Denise R Singleton
Chief Legal Officer & Corp Sec
$154k
3,500 shares
+88%
70Notable
AMRZbuy 6
Amrize Ltd
Jacques Wolf Sanche
director
$187k
4,150 shares
+74%
59Moderate
AMRZbuy 11
Amrize Ltd
Nollaig Forrest
Chief Mktg & Corp Affairs Off
$66k
1,500 shares
+7%
60Notable
AMRZbuy 10
Amrize Ltd
Samuel Jonas Poletti
Chief Strategy & M&A Officer
$118k
2,510 shares
+33%
67Notable
AMRZbuy 8
Amrize Ltd
Stephen S Clark
Chief People Officer
$249k
5,260 shares
+98%
73Notable
AMRZbuy 8
Amrize Ltd
Baris Oran
Chief Financial Officer
$284k
6,000 shares
-
55Moderate
AMRZbuy 8
Amrize Ltd
Roald Brouwer
Chief Technology Officer
$70k
1,500 shares
+8%
68Notable
AMRZbuy 8
Amrize Ltd
Mario Gross
Chief Supply Chain Officer
$166k
3,568 shares
+10%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Stephen S Clark bought $259k of AMRZ | InsiderTell