Wingstop Inc. announced unaudited sales results for the fourth quarter and full year ended December 26, 2015. For the year, the company announced that domestic same store sales increased 7.9%. Company-owned restaurant same store sales increased 9.4%. System-wide sales increased 21.0% to approximately $821 million.

For the quarter, the company announced its domestic same store sales increased 5.9% and company-owned restaurant store sales increased 9.9%. System-wide sales increased 19.6% to approximately $218 million.

The company revised revenue guidance for the full year of fiscal 2015. The company announced that total revenue is expected to be between $77.6 million and $77.9 million, an increase from the company's prior guidance of between $76.8 million and $77.2 million.