UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 (State or other jurisdiction of incorporation or organization) 2701 Spruce Street, Quincy, IL FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended: March 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-12936 TITAN INTERNATIONAL, INC. (Exact name of registrant as specified in its ch ...