0000935836-23-000741.txt : 20231227 0000935836-23-000741.hdr.sgml : 20231227 20231227160425 ACCESSION NUMBER: 0000935836-23-000741 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231218 FILED AS OF DATE: 20231227 DATE AS OF CHANGE: 20231227 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: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35921 FILM NUMBER: 231517977 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: Mirati Therapeutics, Inc. CENTRAL INDEX KEY: 0001576263 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 462693615 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 3545 CRAY COURT CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: 858-332-3410 MAIL ADDRESS: STREET 1: 3545 CRAY COURT CITY: SAN DIEGO STATE: CA ZIP: 92121 3 1 ownership.xml X0206 3 2023-12-18 0 0001576263 Mirati Therapeutics, Inc. MRTX 0001587114 EcoR1 Capital, LLC 357 TEHAMA STREET #3 SAN FRANCISCO CA 94103 0 0 1 0 Common Stock 7396979 I See Note The filing persons (the "Filers") are EcoR1 Capital, LLC ("EcoR1") and Oleg Nodelman. EcoR1 is the general partner and investment adviser of private funds (collectively, the "Funds"). Mr. Nodelman is the manager and controlling owner of EcoR1. EcoR1 is filing this Form 3 for itself and Mr. Nodelman. The Filers are filing this Form 3 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, as amended. The Funds hold these securities directly for the benefit of their investors. EcoR1 indirectly beneficially owns them as the investment adviser to the Funds, and Mr. Nodelman indirectly beneficially owns them as the control person of EcoR1. The Filers disclaim beneficial ownership of such securities except to the extent of their respective pecuniary interests therein. /s/ Oleg Nodelman, Manager of EcoR1 Capital, LLC 2023-12-27