UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Emerging growth company ☒ 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 June 30, 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: 001-41220 CFSB Bancorp, Inc. (Exact Name of Registrant as Specified in its Charter) ...