Form 4 holding
Director, 10%+ Owner
Zymeworks Inc.
- Security class
- Common Stock
- Shares / value
- 22,970,388
- Estimated value
- $291,953,631
- Report date
- 26 Jun 2025
- Price
- $12.71
- Ownership
- Indirect
EcoR1 Capital, LLC - Director, 10%+ Owner at Zymeworks Inc.
Issuer-level insider activity
- Role
- Director, 10%+ Owner
- Issuer ticker
- ZYME on Nasdaq
- Entity type
- Company
- Source filing history
- Open source filing history
Identity
Names, identifiers, and filing context for this profile.
1 identity field
Source evidence
Original filing metadata and source links for verification.
1 source field
No buys or sells have been reported by EcoR1 Capital, LLC since 05 Sep 2025
Reported holdings for EcoR1 Capital, LLC in Zymeworks Inc.
Form 4 holding
Director, 10%+ Owner
Zymeworks Inc.
- Security class
- Pre-Funded Warrants
- Shares / value
- 5,086,521
- Estimated value
- $49,999,993
- Report date
- 26 Dec 2023
- Price
- $9.83
- Ownership
- Indirect
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
Director, 10%+ Owner
Zymeworks Inc.
- Security class
- Pre-Funded Warrants (right to acquire)
- Shares / value
- 0
- Estimated value
- Report date
- 26 Jun 2025
- Price
- Ownership
- Indirect
- Underlying class
- Common Stock
- Underlying amount
Transaction history for EcoR1 Capital, LLC in Zymeworks Inc.
| Sym | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares after | Date | Ownership |
|---|
* marks a reported price that did not pass the local price check.