Insider filing · ZYME
EcoR1 Capital, LLC bought $5.3M of Zymeworks (ZYME)
Executed Dec 30 2024, disclosed Jan 2 2025, 3 days later.
Value, as filed
$5.3M
363,369 sh across 3 lots
Executed
Dec 30 2024
the trade date, as filed
Disclosed
Jan 2 2025
3 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
+0.3%
+0.9% from execution
Over the 21 trading sessions from the disclosed entry session (Jan 2 2025), the stock returned +0.3% (delay-adjusted); from the execution session (Dec 30 2024), +0.9%. Derived: entry at the session's open, exit at the close 20 sessions later.
The filer
EL
EcoR1 Capital, LLC
Director
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EcoR1 Capital, LLC (Director) filed 2 Form 4 reports as a reporting entity in the trailing twelve months (2 purchases, 0 sales), most often in ZYME. Across 2 priced purchase filings, the average 21-session return was +2.8% from execution and -5.0% from disclosure (delay-adjusted; derived). The largest single filing was $40.0M of AKTS (2,222,222 sh across 2 lots, as filed), executed Jan 12.
The name
ZYME
ZYME
ZYME · 25 filings in 24 months
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Insider filings, newest first→
View the original filing at www.sec.gov→
Other filings by EcoR1 Capital, LLC in ZYME
ZYMEPURCHASE
Zymeworks Inc.
$566K49,502 sh × $11.43
Exec May 15 2025
Filed May 19 2025 · 5:30 PM ET ZYMEPURCHASE Zymeworks Inc. $1.5M
128,713 sh across 2 lots
Exec Apr 16 2025
Filed Apr 18 2025 · 5:30 PM ET ZYMEPURCHASE Zymeworks Inc. $1.4M
123,018 sh across 2 lots
Exec Apr 1 2025
Filed Apr 2 2025 · 5:30 PM ET ZYMEPURCHASE Zymeworks Inc. $1.2M
97,349 sh across 2 lots
Exec Mar 25 2025
Filed Mar 27 2025 · 5:30 PM ET ZYMEPURCHASE Zymeworks Inc. $1.6M
127,198 sh across 3 lots
Exec Mar 20 2025
Filed Mar 24 2025 · 5:30 PM ET ZYMEPURCHASE Zymeworks Inc. $2.9M
228,463 sh across 3 lots
Exec Mar 17 2025
Filed Mar 19 2025 · 5:30 PM ET ZYMEPURCHASE Zymeworks Inc. $2.0M
141,429 sh across 2 lots
Exec Jan 16 2025
Filed Jan 21 2025 · 5:30 PM ET ZYMEPURCHASE Zymeworks Inc. $2.3M
167,654 sh across 3 lots
Exec Jan 13 2025
Filed Jan 15 2025 · 5:30 PM ET