X0609 4 2026-09-28 0001171759 RED ROBIN GOURMET BURGERS INC RRGB 0001832317 Dutton Tiffany false 10000 E GEDDES AVENUE SUITE 500 ENGLEWOOD CO 80112 false true false false Chief Accounting Officer 0 Common Stock 2026-09-28 4 A 0 12820 0 A 12820 D Represents a one-time award grant of time-based restricted stock units under the issuer's 2024 Performance Incentive Plan. Each time-based stock unit represents the contingent right to receive, upon vesting of the unit, one share of the issuer's common stock. These units are scheduled to vest on the one year anniversary of the date of grant. The closing price on date of grant, September 28, 2026 was $7.46. Includes 12,820 shares subject to vesting and forfeiture restrictions. /s/ Carrie Etherton, Attorney-in-Fact 2026-09-29