UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ☐ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 27, 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES AND EXCHANGE ACT OF 1934 Commission file number 001-34460 area code, of Registrant's principal executive offices) SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT Title of each class Trading Symbol(s) Name of ...