Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-08443 TELOS CORPORATION (Exact name of registrant as specified in its charter) Maryland 52-0880974 (State or other jurisdiction of incorporation or organization) (I ...