X0609 4 2026-09-22 0001171759 RED ROBIN GOURMET BURGERS INC RRGB 0002075568 Kassem Humera false 10000 E GEDDES AVENUE SUITE 500 ENGLEWOOD CO 80112 false true false false Chief People Officer 0 Common Stock 2026-09-22 4 F 0 1800 7.47 D 29287 D Common Stock 2026-09-22 4 F 0 2744 7.47 D 26543 D In connection with the vesting of 7,680 time-based restricted stock units that were granted on September 22, 2025, under the issuer's 2024 Performance Incentive Plan, as amended, the issuer withheld 1,800 of such shares to satisfy tax withholding obligations. The transaction was approved by the issuer's Compensation Committee in accordance with Rule 16b-3(d)(1) of the Exchange Act (the "Act"), and as such, is exempt from Section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder. In connection with the vesting of 11,704 time-based restricted stock units that were granted on September 22, 2025, under the issuer's 2024 Performance Incentive Plan, as amended, the issuer withheld 2,744 of such shares to satisfy tax withholding obligations. The transaction was approved by the issuer's Compensation Committee in accordance with Rule 16b-3(d)(1) of the Exchange Act (the "Act"), and as such, is exempt from Section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder. Includes 11,703 shares subject to vesting and forfeiture restrictions. /s/ Carrie Etherton, Attorney-in-Fact 2026-09-23