UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________ Form 10-K _______________ (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2022 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File Number: 000-29959 Cassava Sciences, Inc. (Exact name of registrant as specified in its charter) Dela ...