Wingstop Inc. announced unaudited sales results for the fiscal fourth quarter and full year ended December 28, 2019. For the quarter, the company’s system-wide sales increased 21.2% to approximately $397.2 million. Digital sales increased to 39.0% in December 2019 For the year, the company’s system-wide restaurant count increased 10.6% to 1,385 worldwide locations with 133 net openings. Domestic same store sales increased 11.1%. Company-owned restaurant same store sales increased 9.8%. System-wide sales increased 20.1% to approximately $1.5 billion.