UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 000-56126 Palmer Square Capital BDC Inc. (Exact name of registrant as specified in its charter) Maryland 84-3665200 (State or Other Jurisdiction of (I.R.S. Employer Incorporation or ...