X0508 4 2025-12-23 0001053352 HERITAGE COMMERCE CORP HTBK 0001033605 SA THOMAS A 224 AIRPORT PARKWAY SAN JOSE CA 95110 true Executive Vice President / COO false Common Stock, No Par Value 2025-12-23 4 M false 4345 0 A 37402 D Common Stock, No Par Value 2025-12-23 4 A false 174 0 A 37576 D Restricted Stock Unit 0 2025-12-23 4 M false 4345 0 D 2026-03-10 2028-03-10 Common Stock, No Par Value 4345 8691 D Restricted Stock Unit 0 2025-11-18 2027-11-18 Common Stock, No Par Value 25110 25110 D Performance-Based Restricted Stock Unit 0 2028-03-10 2028-03-10 Common Stock, No Par Value 13036 13036 D Restricted Stock Units, or RSUs, convert into shares of the Company's Common Stock on a one-for-one basis. The reporting person acquired 174 shares of the Company's Common Stock as a result of the stock dividends payable to the reporting person upon the partial vesting of the RSU grant. The first tranche of this RSU grant was accelerated to vest on 12/23/2025 instead of 3/10/2026. The remaining tranche will vest in accordance with the original terms. /s/Janisha Sabnani as Attorney-in-Fact for Thomas A. Sa 2025-12-29