v3.19.2
Document And Entity Information
Aug. 07, 2019
Cover [Abstract]  
Entity Registrant Name CYTOMX THERAPEUTICS, INC.
Document Type 8-K
Amendment Flag false
Entity Central Index Key 0001501989
Document Period End Date Aug. 07, 2019
Entity Emerging Growth Company false
Entity File Number 001-37587
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 27-3521219
Entity Address, Address Line One 151 Oyster Point Blvd
Entity Address, City or Town South San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94080
City Area Code (650)
Local Phone Number 515-3185
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of each class Common Stock, $0. 00001 par value per share
Trading Symbol CTMX
Name of each exchange on which registered NASDAQ