Johnston Ian A Insider Trading Activity
Johnston Ian A has been net-buying over the last 12 months with 14 purchases and 0 sales across 1 company.
AMRZ is the most-traded position with 14 trades. The largest single transaction was a purchase of AMRZ for $256K on Aug 8, 2025.
Performance Scorecard
Forward stock performance after each transaction by Johnston Ian A. 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 | +10.0% | — | 79% | 14 |
| 90 days | -0.8% | — | 79% | 14 |
| 120 days | +11.8% | — | 100% | 11 |
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 | ROLE |
|---|---|---|---|---|---|---|
| Mar 10, 2026 | AMRZ | Buy | 4,250 | $58.94 | $250K | CFO |
| Feb 19, 2026 | AMRZ | Buy | 995 | $63.92 | $64K | CFO |
| Feb 19, 2026 | AMRZ | Buy | 205 | $63.91 | $13K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 5,370 | $47.73 | $256K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 1,459 | $47.68 | $70K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 1,041 | $47.67 | $50K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 750 | $47.71 | $36K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 575 | $47.69 | $27K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 500 | $47.74 | $24K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 300 | $47.72 | $14K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 150 | $47.70 | $7K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 111 | $47.73 | $5K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 100 | $47.72 | $5K | CFO |
| Aug 8, 2025 | AMRZ | Buy | 44 | $47.66 | $2K | CFO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| AMRZ | Amrize Ltd | 14 | $823K |
Other insiders at Amrize Ltd
5 other tracked filers at AMRZ.