EcoR1 Capital, LLC, 10% Owner at Zymeworks Inc. (ZYME), bought 470,900 shares at $9.88 ($4.6M) on 2023-01-20, disclosed to the SEC on 2023-01-23.
Open-market purchase of $4.6M ZYME by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $9.49 | 144,100 | $1.4M | 29.8% |
| 2 | $9.88 | 163,400 | $1.6M | 35.1% |
| 3 | $9.88 | 163,400 | $1.6M | 35.1% |
| Total | $9.76 avg | 470,900 | $4.6M | 100% |
| Filing → |
| AKTS | BUY | 2026-01-12 | $40.0M | — | Filing → |
| ADAP | SELL | 2025-07-30 | $13.2M | — | Filing → |
| ZYME | BUY | 2025-05-19 | $1.3M | — | Filing → |