Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION For the transition period from to . Commission File No. 000-08565 Marine Petroleum Trust (Exact name of registrant as specified in its charter) 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 June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Texas 75-6008017 (State or other jurisdiction o ...