Brouwer Roald Insider Trading Activity
Brouwer Roald has been net-buying over the last 12 months with 10 purchases and 0 sales across 1 company.
AMRZ is the most-traded position with 10 trades. The largest single transaction was a purchase of AMRZ for $176K on Mar 11, 2026.
Performance Scorecard
Forward stock performance after each transaction by Brouwer Roald. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +6.8% | — | 80% | 10 |
| 90 days | +0.7% | — | 67% | 9 |
| 120 days | +9.2% | — | 78% | 9 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersAMRZ · Amrize Ltd
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 21, 2026 | AMRZ | Buy | 1,500 | $49.84 | $75K | +8.2% | CTO | |
Mar 13, 2026 | AMRZ | Buy | 2,000 | $54.88 | $110K | +12.3% | CTO | |
Mar 11, 2026 | AMRZ | Buy | 3,000 | $58.72 | $176K | +22.6% | CTO | |
Oct 31, 2025 | AMRZ | Buy | 3,000 | $51.78 | $155K | +60.0% | CTO | |
Oct 31, 2025 | AMRZ | Buy | 1,000 | $51.76 | $52K | +12.5% | CTO | |
Aug 27, 2025 | AMRZ | Buy | 2,000 | $51.88 | $104K | +66.7% | CTO | |
Aug 12, 2025 | AMRZ | Buy | 1,000 | $46.84 | $47K | +50.0% | CTO | |
Aug 11, 2025 | AMRZ | Buy | 782 | $48.08 | $38K | +78.2% | CTO | |
Aug 11, 2025 | AMRZ | Buy | 218 | $48.07 | $10K | +12.2% | CTO | |
Aug 8, 2025 | AMRZ | Buy | 1,000 | $46.25 | $46K | — | CTO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| AMRZ | Amrize Ltd | 10 | $813K |
Other insiders at Amrize Ltd
5 other tracked filers at AMRZ.