Fmr Llc - Sep 30, 2025 SCHEDULE 13G/A Report for CYTOMX THERAPEUTICS INC COMMON STOCK (CTMX)

Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
CTMX
Shares outstanding
166M shares
Disclosed Ownership
15.4M shares
Ownership
9.3%
Form type
SCHEDULE 13G/A
Date filed
11/5/2025, 11:30 AM
Date of event
Sep 30, 2025
Previous filing
Aug 6, 2025
Next filing
Nov 7, 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 9.3% 15.4M 15.4M 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Abigail P. Johnson 9.3% 15.4M 0 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**