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buyStrong cluster of 8

Jan Philipp Jenisch bought $29M of AMRZ

Chairman & CEO at Amrize Ltd. 595,000 shares at an average of $47.92, traded Aug 11, 2025, filed Aug 12, 2025.

Conviction score
90
Value
$29M
595,000 shares
Holdings after
450,000
+66% from before
From 52-week low
+2%
low $46.08, close $46.78
From 52-week high
-11%
high $52.35, as of Aug 11, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $28.5M at market
    +25
  • Relative to holdings
    Holdings up 66%
    +10
  • Price context
    2% above the 52-week low
    +10
  • Cluster
    8 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 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 0002035989-25-000012, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 11, 2025POpen-market purchase
Ordinary Shares
+340,000$47.99$16M1,245,000Aug 12, 2025
Aug 11, 2025POpen-market purchase
Ordinary Shares
+180,000$47.96$8.6M1,425,000Aug 12, 2025
Aug 11, 2025POpen-market purchase
Ordinary Shares
+3,723$47.59$177k1,428,723Aug 12, 2025
Aug 11, 2025POpen-market purchase
Ordinary Shares
+21,277$47.60$1.0M1,450,000Aug 12, 2025
Aug 11, 2025POpen-market purchase
Ordinary Sharesindirect: By spouse
+50,000$47.50$2.4M450,000Aug 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%
52Moderate
AMRZbuy 5
Amrize Ltd
Roald Brouwer
Chief Technology Officer
$110k
2,000 shares
+12%
49Moderate
AMRZbuy 5
Amrize Ltd
Mario Gross
Chief Supply Chain Officer
$177k
3,200 shares
+12%
47Moderate
AMRZbuy 5
Amrize Ltd
Jaime Hill
President, Building Materials
$57k
1,000 shares
+4%
48Moderate
AMRZbuy 5
Amrize Ltd
Roald Brouwer
Chief Technology Officer
$176k
3,000 shares
+23%
47Moderate
AMRZbuy 5
Amrize Ltd
Jaime Hill
President, Building Materials
$59k
1,000 shares
+4%
61Notable
AMRZbuy 5
Amrize Ltd
Ian A Johnston
Chief Financial Officer
$250k
4,250 shares
+20%
50Moderate
AMRZbuy 5
Amrize Ltd
Jaime Hill
President, Building Materials
$179k
3,184 shares
+14%
65Notable
AMRZbuy 5
Amrize Ltd
Jan Philipp Jenisch
Chairman & CEO
$3.5M
60,000 shares
+4%
33Weak
AMRZbuy
Amrize Ltd
Ian A Johnston
Chief Financial Officer
$77k
1,200 shares
+7%

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.

Jan Philipp Jenisch bought $29M of AMRZ | InsiderTell