secwatch.observer — SEC 8-K summary ====================================== Issuer: Zymeworks Inc. (ZYME) CIK: 0001937653 Form: 8-K Filed at: 2025-06-27T23:59:59+00:00 Accession: 0001193125-25-151279 Event type: other_material Sentiment: negative Materiality: 0.70 Item codes: 1.01, 3.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Zymeworks removes warrant cap; EcoR1 exercises for 5.1M shares, diluting by ~7% ------------------------------------------------------------------------------- - Removed 19.99% beneficial ownership cap on pre-funded warrants held by EcoR1 Capital. - EcoR1 net exercised warrants for 5,086,480 shares of common stock at $0.0001 per share on June 26, 2025. - Outstanding shares increased to 74,844,505 from ~69.8M, representing ~7% dilution. - Warrants originally issued Dec 2023 at $9.83 each for $50M; exercise provides no new cash. - Oleg Nodelman and Scott Platshon, both board members, represent EcoR1. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1937653/000119312525151279/0001193125-25-151279-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1937653/000119312525151279/d19414d8k.htm HTML page: https://secwatch.observer/filing/0001193125-25-151279 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer