WASHINGTON, D.C. 20549 FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35525 SMITH MICRO SOFTWARE, INC. (Exact name of registrant as specified in its charter) Delaware 33-0029027 (State or other jurisdiction of inco ...