144/A 0001415889-25-008037 0001305052 XXXXXXXX LIVE 0001171759 RED ROBIN GOURMET BURGERS INC 001-34851 10000 E. GEDDES AVE. STE. 500 ENGLEWOOD CO 80112 3038466000 Gerard Johan Hart Officer Director Common Stock E*Trade from Morgan Stanley

200 Hudson Street Suite 501 Jersey City NJ 07311

11997 53555 17467493 03/14/2025 NASDAQ Common Stock E*Trade from Morgan Stanley

200 Hudson Street Suite 501 Jersey City NJ 07311

11467 50344 17467493 03/17/2025 NASDAQ Common Stock E*Trade from Morgan Stanley

200 Hudson Street Suite 501 Jersey City NJ 07311

9837 40530 17467493 03/21/2025 NASDAQ Common Stock E*Trade from Morgan Stanley

200 Hudson Street Suite 501 Jersey City NJ 07311

9837 40530 17467493 03/24/2025 NASDAQ Common Stock 03/13/2025 Restricted Stock Units vesting Issuer N 79936 03/13/2025 Compensation Common Stock 03/20/2025 Restricted Stock Units vesting Issuer N 61785 03/20/2025 Compensation Y This Form 144/A amends the Form 144 filed on March 13, 2025, to update the estimated number of shares to be sold pursuant to automatic "sell to cover" transactions solely to cover tax withholding obligations and fees arising from the vesting of the Reporting Person's restricted stock units. Such sell to cover transactions do not represent discretionary trades by the Reporting Person. The actual number of shares sold will depend on the sale price of the Company's common stock in such transactions. 03/21/2025 /s/ Carrie Etherton, Attorney-in-Fact