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buyNotable cluster of 8

Mario Gross bought $358k of AMRZ

Chief Supply Chain Officer at Amrize Ltd. 7,600 shares at an average of $47.11, traded Aug 8, 2025, filed Aug 12, 2025.

Conviction score
65
Value
$358k
7,600 shares
Holdings after
20,232
+60% from before
From 52-week low
+2%
low $46.08, close $47.09
From 52-week high
-10%
high $52.35, as of Aug 8, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $358k at market
    +15
  • Relative to holdings
    Holdings up 60%
    +10
  • Price context
    2% above the 52-week low
    +10
  • 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.

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 12, 2025: -24.5%SPY +22.8% · excess -47.3%

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 0002035989-25-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 8, 2025POpen-market purchase
Ordinary Shares
+5,000$46.78$234k17,632Aug 12, 2025
Aug 11, 2025POpen-market purchase
Ordinary Shares
+2,600$47.75$124k20,232Aug 12, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
AMRZbuy
Amrize Ltd
Jan Philipp Jenisch
Chairman & CEO
$1.3M
30,000 shares
+2%
45Moderate
AMRZbuy
Amrize Ltd
Nicholas C Gangestad
director
$95k
2,000 shares
+68%
68Notable
AMRZbuy 3
Amrize Ltd
Jaime Hill
President, Building Materials
$203k
4,000 shares
+28%
57Moderate
AMRZbuy 3
Amrize Ltd
Roald Brouwer
Chief Technology Officer
$207k
4,000 shares
+80%
73Notable
AMRZbuy 3
Amrize Ltd
Jan Philipp Jenisch
Chairman & CEO
$5.8M
110,000 shares
+8%
55Moderate
AMRZbuy 4
Amrize Ltd
Roald Brouwer
Chief Technology Officer
$104k
2,000 shares
+67%
50Moderate
AMRZbuy 8
Amrize Ltd
Jaime Hill
President, Building Materials
$25k
500 shares
+4%
51Moderate
AMRZbuy 8
Amrize Ltd
Stephen S Clark
Chief People Officer
$259k
5,000 shares
-
58Moderate
AMRZbuy 8
Amrize Ltd
Jaime Hill
President, Building Materials
$208k
4,000 shares
+42%
49Moderate
AMRZbuy 8
Amrize Ltd
Mario Gross
Chief Supply Chain Officer
$149k
3,000 shares
+15%

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.

Mario Gross bought $358k of AMRZ | InsiderTell