Form 4 Filing for Bicara Therapeutics Inc. - Officer and Director Transactions

This filing details transactions by Ivan Hyep, Chief Financial Officer of Bicara Therapeutics Inc., on May 21, 2026. Hyep exercised stock options to acquire 9,200 shares of Common Stock at a price of $3.7898 per share, under a Rule 10b5-1 trading plan. Concurrently, Hyep sold 9,200 shares of Common Stock at a weighted average price of $20.4221 (ranging from $20.25 to $20.61). Following these transactions, Hyep directly owns 145,355 shares of Common Stock and holds options for 70,584 shares. The stock options vest in sixteen equal quarterly installments starting from August 8, 2023, contingent on continued service.