Mario Gross is Chief Supply Chain Officer at Amrize Ltd (AMRZ). They have made 5 open-market trades across 1 company since 2025, most recently 2026-08-11.
CIK 0002069180
5 open-market purchases totalling $1.0M since 2025, never a sale. Across 5 scored buys the stock is up 1.8% at thirty days, and 0.6 points ahead of the S&P over the same stretch.
5 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| AMRZ | 38,485 | $1.5M |
Shares reported on the most recent Form 4, priced at the 2026-08-13 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 60% | 80% | — |
| Avg Move | +0.0% | +1.8% | — |
| Alpha | +0.9% | +0.6% | — |
| Scored | 5 | 5 | 4 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AMRZ | BUY | 2026-08-11 | 2026-08-13 | $46.60 | $166K | -5.7% | -15.9% | — |
| AMRZ | BUY | 2026-05-19 | 2026-05-21 | $49.01 | $196K | +6.4% | +5.9% | -10.5% |
| AMRZ | BUY | 2026-03-13 | 2026-03-16 | $55.29 | $177K | -3.3% | +2.9% | -5.4% |
| AMRZ | BUY | 2025-08-13 | 2025-08-14 | $49.63 | $149K | +0.2% | +4.8% | -3.6% |
| AMRZ | BUY | 2025-08-08 | 2025-08-12 | $47.11 | $358K | +2.5% | +11.3% | -2.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.