144 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

23135 103874.19 17467493 03/14/2025 NASDAQ Common Stock E*Trade from Morgan Stanley

200 Hudson Street Suite 501 Jersey City NJ 07311

17881 80286.63 17467493 03/21/2025 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 Represents an estimate of shares expected to be sold pursuant to automatic "sell to cover" transactions to cover tax withholding obligations and fees arising due to the vesting of restricted stock units on March 13, 2025 and March 20, 2025. 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. 03/14/2025 /s/ Carrie Etherton, Attorney-in-Fact