0001610717-23-000297.txt : 20230922 0001610717-23-000297.hdr.sgml : 20230922 20230922191347 ACCESSION NUMBER: 0001610717-23-000297 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230920 FILED AS OF DATE: 20230922 DATE AS OF CHANGE: 20230922 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: McCarthy Sean A. CENTRAL INDEX KEY: 0001654058 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37587 FILM NUMBER: 231272758 MAIL ADDRESS: STREET 1: 343 OYSTER POINT BLVD. STREET 2: SUITE 100 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] 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 2023-09-20 0001501989 CytomX Therapeutics, Inc. CTMX 0001654058 McCarthy Sean A. C/O CYTOMX THERAPEUTICS, INC. 151 OYSTER POINT BLVD., STE. 400 SOUTH SAN FRANCISCO CA 94080 true true CEO false Common Stock 2023-09-20 4 A 0 40000 0 A 445356 D Common Stock 2023-09-22 4 S 0 14601 1.3004 D 430755 D Common Stock 93158 I See footnote Represents Performance Stock Units ("PSUs") initially granted on October 24, 2021 that were subject to a performance-based vesting condition. The second milestone vesting condition was determined to be satisfied upon which the remaining 50% of the PSUs vested. Includes 161,250 restricted stock units. The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of PSUs. Shares held by Sean A. McCarthy 2018 Trust, of which Reporting Person is trustee. /s/ Lloyd Rowland, as Attorney-in-Fact for Sean A. McCarthy 2023-09-22