X0306 4 2018-03-15 0 0001171759 RED ROBIN GOURMET BURGERS INC RRGB 0001660449 MUHTAR JONATHAN A. 6312 S. FIDDLER'S GREEN CIRCLE SUITE 200N GREENWOOD VILLAGE CO 80111 0 1 0 0 Chief Concept Officer Common Stock 2018-03-15 4 A 0 1942 0 A 8526 D Employee Stock Options (Right to Buy) 61.25 2018-03-15 4 A 0 10160 0 A 2028-03-15 Common Stock 10160 10160 D Represents a grant of time-based stock units under the issuer's 2017 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. One-fourth of the units are scheduled to vest on each of the first, second, third, and fourth anniversaries of the date of grant. The closing price on the date of grant, March 15, 2018, was $61.25. Includes 5,829 restricted stock units subject to vesting and forfeiture restrictions. One-fourth of the options are scheduled to vest on each of the first, second, third, and fourth anniversaries of the date of grant. /s/ Michael L. Kaplan, Attorney-in-Fact 2018-03-19