CytomX Therapeutics, Inc.

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

CTMX

organization

SIC: 2834

Also known as: CYTOMX THERAPEUTICS, INC.

SEC Insider

$70.8M

644 transactions

Summary

CytomX Therapeutics, Inc. (CTMX) is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $7.9MSales: $60.3M45 insiders

Date	Insider	Type	Value
2026-03-17	McCarthy Sean A.(CEO)	Sell	$764K
2026-03-17	BELVIN MARCIA(SVP, Chief Scientific Officer)	Sell	$202K
2026-03-17	Chu Yu-Waye(Chief Medical Officer)	Sell	$137K
2026-03-17	Ogden Christopher(Chief Financial Officer)	Sell	$124K
2026-06-15	Ogden Christopher(Chief Financial Officer)	Sell	$5K
2026-06-17	Jones Elaine V	A	$0
2026-06-17	Ashworth Alan	A	$0
2026-06-17	Gilbert Halley E	A	$0
2026-06-17	Meyers James R	A	$0
2026-06-17	Mohindru Mani	A	$0
2026-06-17	Young Matthew P.	A	$0
2026-06-17	Su Zhen	A	$0
2026-02-02	McCarthy Sean A.(CEO)	A	$0
2026-02-02	McCarthy Sean A.(CEO)	A	$0
2026-02-02	Ogden Christopher(Chief Financial Officer)	A	$0
2026-02-02	Ogden Christopher(Chief Financial Officer)	A	$0
2026-02-02	BELVIN MARCIA(SVP, Chief Scientific Officer)	A	$0
2026-02-02	BELVIN MARCIA(SVP, Chief Scientific Officer)	A	$0
2026-02-02	Chu Yu-Waye(Chief Medical Officer)	A	$0
2026-02-02	Chu Yu-Waye(Chief Medical Officer)	A	$0

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

CytomX Therapeutics, Inc. — Contributions, Lobbying & Contracts | Poliscope