SP+(SP) - 2020 Q4 - Annual Report

UNITED STATES FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-50796 SP PLUS CORPORATION (Exact Name of Registrant as Specified in Its Charter) SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 (Registrant's Telephone Number, Including Area Code) Securitie ...