UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————————————— FORM 10-K ————————————————— QUARTERLY 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 QUARTERLY TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ☐ ACT OF 1934 For the transition period from ________ to ________ STEM, INC. (Exact name of registrant as specified in its charter) Delaware 001-39455 85-1972187 ( ...