AMRZ
Amrize Ltd
68
Research score, not a recommendation.
Total bought$54.0M50 Form 4 purchases
Distinct insiders8open-market buyers
Lead insiderJenisch Jan PhilippCEO
Cluster window2025-08-08 → 2025-08-27closed
Market data
Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.
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partial data Price history is incomplete; missing inputs count as neutral in the score.
Why this score
Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.
Breadth
number & diversity of participating insiders
100%
Seniority
executive rank of buyers (CEO/CFO/Director)
100%
Commitment
purchase size relative to company & holdings
86%
Context
buying into stock weakness signals conviction
50%
Timing
coordinated purchases within a tight window
97%
Routine-purchase discount
× 1.00
Company-type / offering discount
× 1.00
Net insider selling penalty
− 0
Why are they buying?
No explanation has been generated for this cluster. The filings in the table below are the primary evidence.
Stock Price & Insider Purchase History
Daily close price with open-market insider purchases plotted over time
Loading price history…
| Date | Insider | Role | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2025-08-08 → 2025-08-11 | Jenisch Jan Philipp 6 purchases with a 63-day result · median -9.1% | CEO | 1,095,000 | $47.30 avg | $51.8M | |
| 2025-08-08 | Jenisch Jan Philipp | 10,000 | $46.25 | $462.5K | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 99,546 | $46.38 | $4.6M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 100,000 | $46.25 | $4.6M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 186 | $46.36 | $8.6K | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 60,000 | $47.54 | $2.9M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 268 | $46.33 | $12.4K | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 100,000 | $46.43 | $4.6M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 40,000 | $47.40 | $1.9M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 | Jenisch Jan Philipp | 90,000 | $46.25 | $4.2M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-11 | Jenisch Jan Philipp | 340,000 | $47.99 | $16.3M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-11 | Jenisch Jan Philipp | 180,000 | $47.96 | $8.6M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-11 | Jenisch Jan Philipp | 3,723 | $47.59 | $177.2K | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-11 | Jenisch Jan Philipp | 21,277 | $47.60 | $1.0M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-11 | Jenisch Jan Philipp | 50,000 | $47.50 | $2.4M | SEC filing for Jenisch Jan Philipp (opens in a new tab) | |
| 2025-08-08 → 2025-08-13 | Gross Mario 4 purchases with a 63-day result · median -10.7% | Other C-suite | 10,600 | $47.82 avg | $506.9K | |
| 2025-08-08 | Gross Mario | 5,000 | $46.78 | $233.9K | SEC filing for Gross Mario (opens in a new tab) | |
| 2025-08-11 | Gross Mario | 2,600 | $47.75 | $124.2K | SEC filing for Gross Mario (opens in a new tab) | |
| 2025-08-13 | Gross Mario | 3,000 | $49.63 | $148.9K | SEC filing for Gross Mario (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A 3 purchases with a 63-day result · median -17.7% | CFO | 10,500 | $47.71 avg | $501.0K | |
| 2025-08-08 | Johnston Ian A | 5,370 | $47.73 | $256.3K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 1,459 | $47.68 | $69.6K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 1,041 | $47.67 | $49.6K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 750 | $47.71 | $35.8K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 575 | $47.69 | $27.4K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 500 | $47.74 | $23.9K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 300 | $47.72 | $14.3K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 150 | $47.70 | $7.2K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 111 | $47.73 | $5.3K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 100 | $47.72 | $4.8K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 100 | $47.75 | $4.8K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 | Johnston Ian A | 44 | $47.66 | $2.1K | SEC filing for Johnston Ian A (opens in a new tab) | |
| 2025-08-08 → 2025-08-22 | Hill Jaime 7 purchases with a 63-day result · median -8.5% | President | 8,500 | $49.22 avg | $418.4K | |
| 2025-08-08 | Hill Jaime | 4,000 | $46.40 | $185.6K | SEC filing for Hill Jaime (opens in a new tab) | |
| 2025-08-15 | Hill Jaime | 4,000 | $52.00 | $208.0K | SEC filing for Hill Jaime (opens in a new tab) | |
| 2025-08-22 | Hill Jaime | 500 | $49.59 | $24.8K | SEC filing for Hill Jaime (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S history of Clark Stephen S's purchases | Other C-suite | 5,000 | $51.82 avg | $259.1K | |
| 2025-08-15 | Clark Stephen S | 100 | $51.79 | $5.2K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 22 | $51.78 | $1.1K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 1,000 | $51.82 | $51.8K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 367 | $51.80 | $19.0K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 500 | $51.84 | $25.9K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 100 | $51.63 | $5.2K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 1,100 | $51.85 | $57.0K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 301 | $51.81 | $15.6K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 400 | $51.86 | $20.7K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 1,040 | $51.83 | $53.9K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-15 | Clark Stephen S | 70 | $51.63 | $3.6K | SEC filing for Clark Stephen S (opens in a new tab) | |
| 2025-08-08 → 2025-08-27 | Brouwer Roald 6 purchases with a 63-day result · median -10.9% | Other C-suite | 5,000 | $48.99 avg | $244.9K | |
| 2025-08-08 | Brouwer Roald | 1,000 | $46.25 | $46.2K | SEC filing for Brouwer Roald (opens in a new tab) | |
| 2025-08-11 | Brouwer Roald | 218 | $48.07 | $10.5K | SEC filing for Brouwer Roald (opens in a new tab) | |
| 2025-08-11 | Brouwer Roald | 782 | $48.08 | $37.6K | SEC filing for Brouwer Roald (opens in a new tab) | |
| 2025-08-12 | Brouwer Roald | 1,000 | $46.84 | $46.8K | SEC filing for Brouwer Roald (opens in a new tab) | |
| 2025-08-27 | Brouwer Roald | 2,000 | $51.88 | $103.8K | SEC filing for Brouwer Roald (opens in a new tab) | |
| 2025-08-08 | Singleton Denise R history of Singleton Denise R's purchases | Other C-suite | 4,000 | $47.64 | $190.6K | SEC filing for Singleton Denise R (opens in a new tab) |
| 2025-08-08 | Poletti Samuel Jonas history of Poletti Samuel Jonas's purchases | Other C-suite | 1,280 | $46.22 | $59.2K | SEC filing for Poletti Samuel Jonas (opens in a new tab) |
| Total | $54.0M | |||||
Other buying runs at AMRZ
A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.
After this run became a cluster: 21 days +8.2%63 days -6.7%126 days +10.6%
| Window | Insiders | Total | Score | 21 days | 63 days | 126 days | Status |
|---|---|---|---|---|---|---|---|
| 2026-08-11 → 2026-09-02 | 11 | $2.6M | 85 | -13.1% | – | – | active |
| 2026-05-05 → 2026-05-22 | 5 | $2.7M | 70 | +9.5% | -12.9% | – | active |
| 2026-02-19 → 2026-03-13 | 5 | $4.6M | 65 | -2.3% | -20.9% | -43.1% | closed |
| 2025-10-30 → 2025-11-19 | 4 | $6.3M | 63 | +5.9% | +17.7% | -4.3% | closed |