<SEC-DOCUMENT>0001193125-23-080477-index.html : 20230327
<SEC-HEADER>0001193125-23-080477.hdr.sgml : 20230327
<ACCEPTANCE-DATETIME>20230327162029
ACCESSION NUMBER:		0001193125-23-080477
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20230327
DATE AS OF CHANGE:		20230327
EFFECTIVENESS DATE:		20230327

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CytomX Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001501989
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				273521219
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-270869
		FILM NUMBER:		23764773

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>d492639ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d492639ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d492639dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d492639dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d492639dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d492639dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>d492639dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 4 - file: d492639dexfilingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g492639dsp7.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g492639dsp7.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g492639g0325083649189.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g492639g0325083649189.jpg

</DOCUMENT>
</SEC-DOCUMENT>