EcoR1 Capital, LLC bought $13M of ZYME
director, owner at Zymeworks Inc.. 1,081,980 shares at an average of $12.13, traded Mar 11, 2025, filed Mar 13, 2025.
Score components
- +15RoleDirector
- +25Trade size$13.1M at market
- +3Relative to holdingsHoldings up 7%
- +18Price context5% above the 52-week low; 33% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- +5Repeat buying7 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000935836-25-000225, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 11, 2025 | POpen-market purchase Common Stockindirect: See Note | +320,690 | $11.49 | $3.7M | 16,040,851 | Mar 13, 2025 |
| Mar 12, 2025 | POpen-market purchase Common Stockindirect: See Note | +292,934 | $12.25 | $3.6M | 16,333,785 | Mar 13, 2025 |
| Mar 13, 2025 | POpen-market purchase Common Stockindirect: See Note | +468,356 | $12.48 | $5.8M | 16,802,141 | Mar 13, 2025 |
Related signals
Other insiders at Zymeworks Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 25Weak | ZYMEsell Zymeworks Inc. | Adam Schayowitz EVP, Head of R&D | $358k 13,832 shares | -37% | |
| 43Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $636k 55,421 shares | +0% | |
| 48Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $1.5M 128,713 shares | +1% | |
| 63Notable | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $3.6M 317,208 shares | +2% | |
| 58Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $1.5M 127,415 shares | +1% | |
| 44Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $1.2M 97,349 shares | +1% | |
| 44Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $1.6M 127,198 shares | +1% | |
| 49Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $2.9M 228,463 shares | +1% | |
| 44Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $2.0M 141,429 shares | +1% | |
| 49Moderate | ZYMEbuy Zymeworks Inc. | EcoR1 Capital, LLC director, owner | $2.3M 167,654 shares | +1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.