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buyNotable cluster of 5

Mario Gross bought $196k of AMRZ

Chief Supply Chain Officer at Amrize Ltd. 4,000 shares at an average of $49.01, traded May 19, 2026, filed May 21, 2026.

Conviction score
64
Value
$196k
4,000 shares
Holdings after
34,747
+13% from before
From 52-week low
+5%
low $46.08, close $48.17
From 52-week high
-26%
high $65.06, as of May 19, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $196k at market
    +12
  • Relative to holdings
    Holdings up 13%
    +3
  • Price context
    5% above the 52-week low; 26% below the 52-week high
    +14
  • Cluster
    5 insiders buying within 14 days
    +15
  • Repeat buying
    2 buys in 90 days
    +5
  • 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 12, 2026 · close 36.09
Since filing May 21, 2026: -28.3%SPY +5.3% · excess -33.6%

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 0002069180-26-000001, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 19, 2026POpen-market purchase
Ordinary Shares
+1,800$49.47$89k32,747May 21, 2026
May 19, 2026POpen-market purchase
Ordinary Shares
+1,000$48.63$49k33,747May 21, 2026
May 20, 2026POpen-market purchase
Ordinary Shares
+1,200$48.63$58k34,747May 21, 2026

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.

Mario Gross bought $196k of AMRZ | InsiderTell