CytomX Therapeutics Ownership & Insider Activity

CytomX Therapeutics (CTMX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.3% of shares outstanding. Institutional investors hold 42.3%.

Shares Outstanding

217.899M

Shares Float

192.061M

Insider Shares Owned

2.750M

Insider % Owned

1.3%

Institutional Shares Held

92.160M

Institutional % Held

42.3%

Ownership Breakdown

Net Insider Activity by Month

CytomX Therapeutics Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Jun 15, 2026	Christopher Ogden	CHIEF FINANCIAL OFFICER	SELL	1.624K	$3.05	$5K