Form 4: EcoR1 Capital Increases Stake in Zymeworks Inc. with Recent Stock Purchases

EcoR1 Capital, a significant shareholder in Zymeworks Inc., has increased its holdings through open market purchases of common stock.

Summary

• EcoR1 Capital, LLC, along with Oleg Nodelman and EcoR1 Capital Fund Qualified, L.P., have reported changes in their beneficial ownership of Zymeworks Inc. common stock.
• On March 25, 2025, Qualified Fund purchased 53,501 shares at a price of $12.9054 per share, bringing their total holdings to 16,133,439 shares.
• On March 26, 2025, Qualified Fund purchased an additional 43,848 shares at a weighted average price of $12.2436, increasing their total to 16,174,616 shares.
• These transactions reflect an increased investment by EcoR1 Capital in Zymeworks Inc.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. The increased investment by EcoR1 Capital could be interpreted as a sign of confidence, but it's a routine transaction disclosure.

Positives

• Increased investment by a major shareholder, EcoR1 Capital, could signal confidence in Zymeworks' future prospects.

Industry Context

This activity is typical for investment firms that hold significant positions in publicly traded companies, and the filing is a standard SEC requirement for disclosing changes in beneficial ownership.

Stakeholder Impact

• The increased stake by EcoR1 Capital could be viewed positively by other shareholders.

Key Dates

Keywords

Zymeworks, EcoR1 Capital, Stock Purchase, Beneficial Ownership, ZYME, Investment