Mark Gordon

CIK: 0001385250

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)6 (42.9%)

Position reduction

Option Exercises (M)2 (14.3%)

Derivative conversions

Awards (A)5 (35.7%)

Compensation grants

Other (G, F, J, C, D, …)1 (7.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

"OMEX"

ODYSSEY MARINE EXPLORATION INC

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (14 total)

"OMEX"
ODYSSEY MARINE EXPLORATION INC
Jun 30, 2026
Exercise(M)
Restricted Stock Unit (RSU)
Direct
4.2K shares-
"OMEX"
ODYSSEY MARINE EXPLORATION INC
Jun 30, 2026
Award(A)
Direct
4.2K shares-
"OMEX"
ODYSSEY MARINE EXPLORATION INC
Jun 30, 2026
Tax Payment(F)
Direct
1.1K shares at avg. $0.85$968.606
"OMEX"
ODYSSEY MARINE EXPLORATION INC
Mar 23, 2026
Exercise(M)
Direct
150K shares at avg. $0.41$62K
"OMEX"
ODYSSEY MARINE EXPLORATION INC
Dec 2, 2025
Award(A)
Stock Option(Right to Buy)
Direct
100K shares-
"OMEX"
ODYSSEY MARINE EXPLORATION INC
Dec 2, 2025
Award(A)
Restricted Stock Unit (RSU)
Direct
25K shares-
OMEX
ODYSSEY MARINE EXPLORATION INC
Oct 20, 2025
Sale(S)
Direct
30K shares at avg. $3.56$107K
OMEX
ODYSSEY MARINE EXPLORATION INC
Oct 17, 2025
Sale(S)
Direct
30K shares at avg. $3.50$105K
OMEX
ODYSSEY MARINE EXPLORATION INC
Oct 16, 2025
Sale(S)
Direct
30K shares at avg. $3.87$116K
OMEX
ODYSSEY MARINE EXPLORATION INC
Oct 15, 2025
Sale(S)
Direct
30K shares at avg. $3.98$119K
OMEX
ODYSSEY MARINE EXPLORATION INC
Oct 14, 2025
Sale(S)
Direct
30K shares at avg. $3.74$112K
OMEX
ODYSSEY MARINE EXPLORATION INC
Oct 13, 2025
Sale(S)
Direct
21K shares at avg. $3.50$73K
OMEX
ODYSSEY MARINE EXPLORATION INC
Jun 27, 2025
Award(A)
Direct
365.2K shares at avg. $1.04$379K
OMEX
ODYSSEY MARINE EXPLORATION INC
Nov 14, 2024
Award(A)
Stock Option (Right to Buy)
Direct
150K shares-

		Type	Shares	Price		Ownership
Jun 30, 2026	"OMEX" ODYSSEY MARINE EXPLORATION INC	Exercise(M) Restricted Stock Unit (RSU)	4,167	-	-	Direct
Jun 30, 2026	"OMEX" ODYSSEY MARINE EXPLORATION INC	Award(A)	4,167	-	$0	Direct
Jun 30, 2026	"OMEX" ODYSSEY MARINE EXPLORATION INC	Tax Payment(F)	1,139	$0.85	$969	Direct
Mar 23, 2026	"OMEX" ODYSSEY MARINE EXPLORATION INC	Exercise(M)	150,000	$0.41	$62,115	Direct
Dec 2, 2025	"OMEX" ODYSSEY MARINE EXPLORATION INC	Award(A) Stock Option(Right to Buy)	100,000	-	-	Direct
Dec 2, 2025	"OMEX" ODYSSEY MARINE EXPLORATION INC	Award(A) Restricted Stock Unit (RSU)	25,000	-	-	Direct
Oct 20, 2025	OMEX ODYSSEY MARINE EXPLORATION INC	Sale(S)	30,000	$3.56	$106,902	Direct
Oct 17, 2025	OMEX ODYSSEY MARINE EXPLORATION INC	Sale(S)	30,000	$3.50	$105,000	Direct
Oct 16, 2025	OMEX ODYSSEY MARINE EXPLORATION INC	Sale(S)	30,000	$3.87	$116,043	Direct
Oct 15, 2025	OMEX ODYSSEY MARINE EXPLORATION INC	Sale(S)	30,000	$3.98	$119,370	Direct
Oct 14, 2025	OMEX ODYSSEY MARINE EXPLORATION INC	Sale(S)	30,000	$3.74	$112,086	Direct
Oct 13, 2025	OMEX ODYSSEY MARINE EXPLORATION INC	Sale(S)	20,956	$3.50	$73,346	Direct
Jun 27, 2025	OMEX ODYSSEY MARINE EXPLORATION INC	Award(A)	365,242	$1.04	$379,231	Direct
Nov 14, 2024	OMEX ODYSSEY MARINE EXPLORATION INC	Award(A) Stock Option (Right to Buy)	150,000	-	-	Direct

1-14 of 14 transactions

About Gordon Mark

Gordon Mark (SEC CIK 0001385250) files insider reports with the SEC as Chief Executive Officer of ODYSSEY MARINE EXPLORATION INC ("OMEX").

Signal8 holds 7 ownership filings by Gordon Mark, all Form 4s, filed between Nov 18, 2024 and Jul 2, 2026. Those filings report 14 transactions, from Nov 14, 2024 to Jun 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Gordon Mark's filings is in TAMPA, FL.

Recent filings by Gordon Mark

Jun 30, 2026: Option exercise of "OMEX" derivative securities (Form 4, code M).
Jun 30, 2026: Grant or award of "OMEX" shares (Form 4, code A).
Jun 30, 2026: Tax withholding of "OMEX" shares (Form 4, code F).
Mar 23, 2026: Option exercise of "OMEX" shares (Form 4, code M).
Dec 2, 2025: Grants or awards of "OMEX" derivative securities (2 lines, Form 4, code A).

How to read Form 4 transaction codes