0001610717-23-000421.txt : 20231222 0001610717-23-000421.hdr.sgml : 20231222 20231222161257 ACCESSION NUMBER: 0001610717-23-000421 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231220 FILED AS OF DATE: 20231222 DATE AS OF CHANGE: 20231222 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Landau Jeffrey B CENTRAL INDEX KEY: 0001918615 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37587 FILM NUMBER: 231509919 MAIL ADDRESS: STREET 1: C/O CYTOMX THERAPEUTICS, INC. STREET 2: 151 OYSTER POINT BLVD., SUITE 400 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CytomX Therapeutics, Inc. CENTRAL INDEX KEY: 0001501989 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 273521219 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 151 OYSTER POINT BLVD. STREET 2: SUITE 400 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 650.515.3185 MAIL ADDRESS: STREET 1: 151 OYSTER POINT BLVD. STREET 2: SUITE 400 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 4 1 form4.xml X0508 4 2023-12-20 0001501989 CytomX Therapeutics, Inc. CTMX 0001918615 Landau Jeffrey B C/O CYTOMX THERAPEUTICS, INC. 151 OYSTER POINT BLVD., SUITE 400 SOUTH SAN FRANCISCO CA 94080 true Chief Business Officer false Common Stock 2023-12-20 4 S 0 4077 1.3805 D 86622 D Common Stock 4500 I Fidelity Traditional IRA Common Stock 3180 I Schwab ROTH IRA The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of PSUs previously reported on December 19, 2023. Includes 52,205 restricted stock units. /s/ Lloyd Rowland, as Attorney-in-Fact for Jeffrey B Landau 2023-12-22