144 0002034679 XXXXXXXX LIVE 0002023658 Bicara Therapeutics Inc. 001-42271 116 HUNTINGTON AVENUE SUITE 703 BOSTON MA 02116 617-468-4219 Raben David Officer Common UBS Financial Services Inc.

11 Madison Avenue 4th Floor New York NY 10010

5500 120010.00 65703866 05/26/2026 Nasdaq Common 05/26/2026 Exercise of Stock Options Issuer N 5500 05/26/2026 Cash N David Raben

116 HUNTINGTON AVENUE SUITE 703 BOSTON MA 02116

Common 03/03/2026 200 3690.00 David Raben

116 Huntington Avenue Suite 703 Boston MA 02116

Common 03/04/2026 16300 301920.01 David Raben

116 HUNTINGTON AVENUE SUITE 703 Boston MA 02116

Common 03/25/2026 5500 104229.40 David Raben

116 HUNTINGTON AVENUE SUITE 703 Boston MA 02116

Common 04/27/2026 5500 125830.10 05/26/2026 02/12/2025 /s/ UBS Financial Services Inc, as attorney-in-fact for David Raben