Mario Gross bought $177k of AMRZ
Chief Supply Chain Officer at Amrize Ltd. 3,200 shares at an average of $55.29, traded Mar 13, 2026, filed Mar 16, 2026.
Score components
- +15RoleOfficer
- +12Trade size$177k at market
- +3Relative to holdingsHoldings up 12%
- +4Price context16% below the 52-week high
- +15Cluster5 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
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 +4.2%, 3m -3.2%, 6m -29.2%.
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.
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 0002035989-26-000033, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 13, 2026 | POpen-market purchase Ordinary Shares | +2,000 | $55.39 | $111k | 29,747 | Mar 16, 2026 |
| Mar 13, 2026 | POpen-market purchase Ordinary Shares | +1,200 | $55.13 | $66k | 30,947 | Mar 16, 2026 |
Related signals
Other insiders at Amrize Ltd and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 83Strong | Amrize Ltd | Jan Philipp Jenisch Chairman & CEO | $1.3M 30,000 shares | +2% | |
| 43Moderate | Amrize Ltd | Dwight Audley Konrad Gibson director | $244 5 shares | +0% | |
| 69Notable | Amrize Ltd | Denise R Singleton Chief Legal Officer & Corp Sec | $154k 3,500 shares | +88% | |
| 70Notable | Amrize Ltd | Jacques Wolf Sanche director | $187k 4,150 shares | +74% | |
| 59Moderate | Amrize Ltd | Nollaig Forrest Chief Mktg & Corp Affairs Off | $66k 1,500 shares | +7% | |
| 60Notable | Amrize Ltd | Samuel Jonas Poletti Chief Strategy & M&A Officer | $118k 2,510 shares | +33% | |
| 67Notable | Amrize Ltd | Stephen S Clark Chief People Officer | $249k 5,260 shares | +98% | |
| 73Notable | Amrize Ltd | Baris Oran Chief Financial Officer | $284k 6,000 shares | - | |
| 55Moderate | Amrize Ltd | Roald Brouwer Chief Technology Officer | $70k 1,500 shares | +8% | |
| 68Notable | 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.