The unanimous C-suite buying cluster is a strong bullish signal. Monitor for any subsequent Form 4 filings that could confirm additional buying or reveal a catalyst.
Price Chart
Executive Summary
Four C-suite insiders at Amrize Ltd made open-market purchases totaling $611K over a one-week window, with the CFO, Chief People Officer, Chief Supply Chain Officer, and President of Building Materials all buying shares near $47. This cluster of buys by senior executives is a strong bullish signal, especially given the $25.4B market cap (0.002% of cap, modest in proportion but significant as a conviction signal from top management). The purchases coincide with no apparent 10b5-1 plan or vesting schedule, suggesting insider confidence in the company's near-term prospects.
Key Financial Metrics
Key Facts
- CFO Oran Baris bought 6,000 shares total ($283K) on Aug 11-12
- Chief People Officer Clark Stephen S bought 5,260 shares ($249K) on Aug 11
- Chief Supply Chain Officer Gross Mario bought 3,568 shares ($166K) on Aug 11
- President of Building Materials Hill Jaime bought 1,500 shares ($71K) on Aug 11
- Total cluster value: $611K in open-market purchases
- No 10b5-1 plans or vesting-driven sales detected — all trades are discretionary open-market buys
Financial Impact
$611K in insider purchases, representing 0.002% of $25.4B market cap
Risk Factors
- Insider purchases are modest relative to market cap (0.002%), so the signal may be diluted if broader market conditions deteriorate
- No explicit catalyst identified — the buying could be based on private information not yet public
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-AMRZ-1786691717479 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 3, 2026 7w ago | Insider Cluster | $44.01 $43.82 | ▼ −0.43% | ▼ −0.05% | $40.23 (−8.59%) |
Sep 1, 2026 8w ago | 8-K | $42.97 $44.01 | ▲ +2.42% | ▲ +1.37% | $40.23 (−6.38%) |
Aug 31, 2026 8w ago | Insider Cluster | $43.70 $42.81 | ▼ −2.04% | ▼ −1.35% | $40.23 (−7.94%) |
Aug 26, 2026 8w ago | Insider Cluster | $44.29 $44.67 | ▲ +0.86% | ▲ +1.08% | $40.23 (−9.17%) |
Aug 26, 2026 8w ago | Insider Cluster | $44.74 $44.29 | ▼ −1.01% | ▼ −1.66% | $40.23 (−10.08%) |
Aug 24, 2026 9w ago | 8-K | $44.25 $44.74 | ▲ +1.11% | ▲ +1.09% | $40.23 (−9.08%) |
Aug 18, 2026 10w ago | Insider Cluster | $44.63 $45.26 | ▲ +1.41% | ▲ +1.20% | $40.23 (−9.86%) |
Aug 13, 2026 10w ago | Insider Cluster | $46.75 $46.69 | ▼ −0.13% | ▲ +0.07% | $40.23 (−13.95%) |
Aug 13, 2026 10w ago | Insider Cluster | $46.75 $46.69 | ▼ −0.13% | ▲ +0.07% | $40.23 (−13.95%) |
Aug 13, 2026 10w ago | Insider Cluster | $46.75 $46.69 | ▼ −0.13% | ▲ +0.07% | $40.23 (−13.95%) |
US Market Status
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