144 0001203452 XXXXXXXX LIVE 0001880613 Direct Digital Holdings, Inc. 001-41261 1177 West Loop South Suite 1310 Houston TX 77027 832-402-1051 Keith Smith Officer Common APEX CLEARING

350 N ST. PAUL ST SUITE 300 DALLAS TX 75201

208013 401465.00 14670000 11/15/2024 Nasdaq Common 06/10/2023 Restricted Unit Vesting and Unit Conversion Direct Digital Holdings, Inc. N 15356 06/10/2023 NA Common 03/13/2024 Restricted Unit Vesting and Unit Conversion Direct Digital Holdings, Inc. N 16647 03/13/2024 NA Common 03/20/2024 Restricted Unit Vesting and Unit Conversion Direct Digital Holdings, Inc. N 32977 03/20/2024 NA Common 06/10/2024 Restricted Unit Vesting and Unit Conversion Direct Digital Holdings, Inc. N 12311 06/10/2024 NA Common 12/06/2023 Restricted Unit Vesting and Unit Conversion Direct Digital Holdings, Inc. N 130722 12/06/2023 NA Y 130,722 shares acquired through SKW Financial, LLC 11/15/2024 /s/ Keith Smith