144 0001305052 XXXXXXXX LIVE 0001171759 Red Robin Gourmet Burgers Inc 001-34851 10000 East Geddes Ave Ste 500 Engelwood CO 80112 3038466000 Gerard J Hart SEP IRA former CEO, Rule 144 until 10/24/2025 Class A Common Stock UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

89293 571475.2 17735916 06/06/2025 NASDAQ Class A Common Stock 09/11/2024 Open Market Purchase NA N 7351 09/10/2024 Cash Class A Common Stock 09/11/2024 Open Market Purchase NA N 1860 09/10/2024 Cash Class A Common Stock 09/11/2024 Open Market Purchase NA N 789 09/10/2024 Cash Class A Common Stock 08/24/2023 Open Market Purchase NA N 25000 08/22/2023 Cash Class A Common Stock 06/06/2023 Open Market Purchase NA N 8754 06/02/2023 Cash Class A Common Stock 06/06/2023 Open Market Purchase NA N 6246 06/02/2023 Cash Class A Common Stock 03/14/2023 Open Market Purchase NA N 24243 03/10/2023 Cash Class A Common Stock 03/14/2023 Open Market Purchase NA N 757 03/10/2023 Cash Class A Common Stock 11/18/2022 Open Market Purchase NA N 14293 11/16/2022 Cash N Gerard J Hart

13945 Old Coast Road Penthouse 1405 Naples FL 34110

Class A Common Stock, RRGB 03/24/2025 19045 79232 06/06/2025 /s/JOSEPH CASSIDY, as a duly authorized representative of UBS Financial Services Inc, as attorney-in-fact for Gerard J Hart SEP IRA