Table of Contents Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2021. 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 001-31895 ODYSSEY MARINE EXPLORATION, INC. (Exact name of registrant as specified in its charter) Nevada 84 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION ☒ Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Washington, D.C. 20549 For the quarterly period ended March 31, 2021. FORM 10-Q 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 001-31895 ODYSSEY MARINE EXPLORATION, INC. (Exact name of registrant as specified in its charter) Nevada 84-1018684 (State or other jurisdicti ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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 DECEMBER 31, 2020 ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-31895 ODYSSEY MARINE EXPLORATION, INC. (Exact name of registrant as specified in its charter) Nevada 84-1018684 (State or other jurisdiction of incorporation ...