Odyssey Marine (OMEX) CEO exercises stock options to acquire 150,000 shares

Rhea-AI Filing Summary

Odyssey Marine Exploration Chief Executive Officer Mark Gordon exercised stock options to acquire 150,000 shares of common stock. The options had an exercise price of $0.4141 per share and were exercised on March 23, 2026 under Odyssey's 2019 Stock Incentive Plan. Following the transaction, Gordon directly owns 632,235 shares of common stock. The exercised stock option position was fully converted, leaving no remaining options from this grant.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gordon Mark

(Last) (First) (Middle)

205 S. HOOVER BLVD. STE #210

(Street)

TAMPA FLORIDA 33609

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ODYSSEY MARINE EXPLORATION INC [ "OMEX" ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/23/2026		M(1)		150,000	A	$0.4141	632,235	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option(Right to Buy)	$0.4141	03/23/2026		M			150,000	11/14/2024	11/14/2029	Common Stock	150,000	$0	0	D

Explanation of Responses:

1. Election to purchase OMEX common stock on March 23, 2026 in accordance with Odyssey's 2019 Stock Incentive Plan.

	/s/ Mark D. Gordon	03/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did OMEX CEO Mark Gordon report on this Form 4?

Mark Gordon reported exercising stock options to acquire 150,000 shares of Odyssey Marine common stock. The transaction converted derivative options into common shares and increased his direct equity holdings to 632,235 shares after the exercise.

At what price did OMEX CEO Mark Gordon exercise his stock options?

Mark Gordon exercised his Odyssey Marine stock options at an exercise price of $0.4141 per share. This price reflects the predetermined strike price of the options granted under the company’s 2019 Stock Incentive Plan.

How many Odyssey Marine shares does Mark Gordon hold after this Form 4 transaction?

After exercising stock options, Mark Gordon directly owns 632,235 shares of Odyssey Marine common stock. This total reflects his updated post-transaction position reported in the Form 4 filing for the March 23, 2026 exercise.

What type of security did OMEX CEO Mark Gordon exercise on March 23, 2026?

Mark Gordon exercised a stock option, classified as a “Stock Option (Right to Buy)” covering 150,000 underlying shares of Odyssey Marine common stock. The derivative position was fully converted into common shares in this transaction.

Was the OMEX CEO’s March 23, 2026 transaction an open-market purchase or an option exercise?

The March 23, 2026 transaction was an option exercise, not an open-market purchase. Gordon elected to purchase Odyssey Marine common stock by exercising stock options granted under the company’s 2019 Stock Incentive Plan.

What plan governed OMEX CEO Mark Gordon’s stock option exercise?

The option exercise was made in accordance with Odyssey’s 2019 Stock Incentive Plan. A footnote explains that Gordon elected to purchase Odyssey Marine common stock on March 23, 2026 pursuant to this equity incentive program.