EcoR1 Capital, LLC - 04 Apr 2025 SCHEDULE 13D/A Report for Zymeworks Inc. Common Stock (ZYME)

Filing Manager
EcoR1 Capital, LLC
Reporting Manager
EcoR1 Capital, LLC
Security
Zymeworks Inc. Common Stock
Symbol
ZYME
Shares outstanding
69,684,150 shares
Disclosed Ownership
17,699,774 shares
Ownership
25.4%
Form type
SCHEDULE 13D/A
Filing time
08 Apr 2025, 16:24:32 UTC
Date of event
04 Apr 2025
Previous filing
17 Mar 2025
Next filing
27 Jun 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
EcoR1 Capital, LLC 25.4% 17,699,774 0 17,699,774 /s/ Oleg Nodelman Manager 0001587114
Oleg Nodelman 25.4% 17,699,774 0 17,699,774 /s/ Oleg Nodelman Reporting person 0001454385
EcoR1 Capital Fund Qualified, L.P. 23.9% 16,591,501 0 16,591,501 /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC 0001598292