SECURITIES AND EXCHANGE COMMISSION Table of Contents UNITED STATES WASHINGTON, D.C. 20549 FORM 10-Q Quarterly report pursuant to Section 13 or 15(d) of the (Mark One) Securities Exchange Act of 1934 ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2021 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission file number 001-11252 Hallmark Financial Services, Inc. (Exact name of regi ...