FMR LLC - 31 Dec 2025 SCHEDULE 13G/A Report for CYTOMX THERAPEUTICS INC COMMON STOCK (CTMX)

Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
CTMX
Shares outstanding
169,096,637 shares
Disclosed Ownership
24,688,109 shares
Ownership
15%
Form type
SCHEDULE 13G/A
Filing time
05 Feb 2026, 13:20:38 UTC
Date of event
31 Dec 2025
Previous filing
07 Nov 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 15% 24,688,109 24,688,109 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 15% 24,688,109 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**