Cytomx Therapeutics, Inc. Insider Selling: Sean McCarthy A. Trims Stake

A Form 4 filed with the SEC shows Sean McCarthy A., CEO at Cytomx Therapeutics, Inc. (CTMX), sold 101,793 shares of company stock on 2025-11-06.

The transaction was executed at a price of $4.54 per share, for a total value of approximately $461,906.

Under SEC rules, corporate insiders — officers, directors, and holders of more than 10% of a company's shares — are required to report changes in their ownership within two business days of the transaction via Form 4.

Sales by insiders often reflect routine portfolio management or pre-scheduled trading plans rather than a view on the company's prospects.