0001127602-23-024438.txt : 20230919 0001127602-23-024438.hdr.sgml : 20230919 20230919163057 ACCESSION NUMBER: 0001127602-23-024438 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230915 FILED AS OF DATE: 20230919 DATE AS OF CHANGE: 20230919 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Klencke Barbara CENTRAL INDEX KEY: 0001647647 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36182 FILM NUMBER: 231264238 MAIL ADDRESS: STREET 1: C/O SIERRA ONCOLOGY, INC. STREET 2: 1820 GATEWAY DRIVE, SUITE 110 CITY: SAN MATEO STATE: CA ZIP: 94404 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Xencor Inc CENTRAL INDEX KEY: 0001326732 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 201622502 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 465 N. HALSTEAD ST. STREET 2: SUITE 200 CITY: PASADENA STATE: CA ZIP: 91107 BUSINESS PHONE: 626-305-5900 MAIL ADDRESS: STREET 1: 465 N. HALSTEAD ST. STREET 2: SUITE 200 CITY: PASADENA STATE: CA ZIP: 91107 3 1 form3.xml PRIMARY DOCUMENT X0206 3 2023-09-15 1 0001326732 Xencor Inc XNCR 0001647647 Klencke Barbara C/O XENCOR, INC. 465 N HALSTEAD STREET, SUITE 200 PASADENA CA 91107 1 /s/ Celia E. Eckert, Attorney-in-Fact 2023-09-19