UNITED STATES SECURITIES AND EXCHANGE COMMISSION For the transition period from __________ to __________ Commission File Number: 1-7677 WASHINGTON, D.C. 20549 LSB INDUSTRIES, INC. 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 31, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Exact Name of Registrant as Specified in its Charter) Delaware 73-1015226 (State of o ...