0000935836-23-000743.txt : 20231228 0000935836-23-000743.hdr.sgml : 20231228 20231228121124 ACCESSION NUMBER: 0000935836-23-000743 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231226 FILED AS OF DATE: 20231228 DATE AS OF CHANGE: 20231228 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: EcoR1 Capital, LLC CENTRAL INDEX KEY: 0001587114 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41535 FILM NUMBER: 231521063 BUSINESS ADDRESS: STREET 1: 357 TEHAMA STREET #3 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 BUSINESS PHONE: 415-448-6534 MAIL ADDRESS: STREET 1: 357 TEHAMA STREET #3 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Zymeworks Inc. CENTRAL INDEX KEY: 0001937653 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 108 PATRIOT DRIVE, SUITE A CITY: MIDDLETOWN STATE: DE ZIP: 19709 BUSINESS PHONE: 206-337-1030 MAIL ADDRESS: STREET 1: 108 PATRIOT DRIVE, SUITE A CITY: MIDDLETOWN STATE: DE ZIP: 19709 FORMER COMPANY: FORMER CONFORMED NAME: Zymeworks Delaware Inc. DATE OF NAME CHANGE: 20220712 4 1 ownership.xml X0508 4 2023-12-26 0 0001937653 Zymeworks Inc. ZYME 0001587114 EcoR1 Capital, LLC 357 TEHAMA STREET #3 SAN FRANCISCO CA 94103 0 0 1 0 0 Pre-Funded Warrants 0.0001 2023-12-26 4 P 0 5086521 9.8299 A 2023-12-26 Common Stock 5086521 5086521 I See note The reporting persons are EcoR1 Capital, LLC ("EcoR1"), Oleg Nodelman and EcoR1 Capital Fund Qualified, L.P. ("Qualified Fund"). EcoR1 is the general partner and investment adviser of private funds, including Qualified Fund (the "Funds"). Mr. Nodelman is the manager and controlling owner of EcoR1. EcoR1 is filing this Form 4 for itself, Mr. Nodelman and Qualified Fund. The filers are filing this Form 4 jointly, but not as a group, and each expressly disclaims membership in a group within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934. The Funds hold these securities directly for the benefit of their investors. EcoR1 may be deemed to indirectly beneficially own them as the investment adviser to the Funds. Mr. Nodelman may be deemed to indirectly beneficially own them as the control person of EcoR1. The filers disclaim beneficial ownership of the securities except to the extent of their respective pecuniary interests therein. Qualified Fund purchased 4,818,462 of the pre-funded warrants reported in this transaction. The pre-funded warrants do not have an expiration date. Each pre-funded warrant will be exercisable to purchase one share of Common Stock, except that the pre-funded warrants cannot be exercised if, after giving effect or immediately prior to such exercise, the reporting person, together with its affiliates and any other persons whose beneficial ownership of shares of Common Stock would be aggregated with the reporting person for purposes of Section 13(d) of the Securities Exchange Act of 1934 would beneficially own more than 19.99% of the total number of issued and outstanding shares of Common Stock or voting power of the issuer following such exercise. After this transaction, Qualified Fund owned 4,818,462 of the pre-funded warrants. /s/ Oleg Nodelman 2023-12-28