FORM 8-K Filing Summary

On April 27, 2026, Sarah A. Mussetter submitted her resignation as Chief Legal Officer and Secretary of Red Robin Gourmet Burgers, Inc., effective May 15, 2026. She will continue in her role to assist with the transition of her responsibilities until her departure. The company has appointed Christopher Meyer as Interim Chief Financial Officer. This filing is made pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. Red Robin Gourmet Burgers, Inc. is incorporated in Delaware with its principal executive offices in Englewood, Colorado. The company’s common stock is registered under the trading symbol RRGB on the Nasdaq Global Select Market.