UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 23, 2024 FLEXIBLE SOLUTIONS INTERNATIONAL, INC. (Exact name of Registrant as specified in its charter) Nevada 001-31540 91-1922863 (State or other jurisdiction (Commission (IRS Employer of incorporation) File No.) Identification No.) 6001 54 Ave. Tabor, Alberta T1G 1X4 (Address of princip ...