Cue Biopharma is trading at $19.62, up +5.09%, in after-hours trading, with no confirmed company-specific catalyst identified. - The move follows a regular-session close of $18.67. - October 15 reports about insider share sales refer to October 12 transactions made automatically to cover tax withholding, not discretionary sales. - Available reports do not establish those transactions or broader market conditions as the reason for the move; the cause remains unconfirmed.