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ODYSSEY MARINE EXPLORATION INC

OMEX Net selling
CIK 0000798528 #4687 in the set updated 22 Sep 2026
Bought (120 mo)
$1.15M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$3.79M
$632.75K on a plan · $944.93K straight out of an exercise
Sold at will
$2.22M
6 of 15 sales
Net
−$2.64M
−$1.06M against sales at will

By person

13 insiders · 38 transactions
4.1×

Mark D. Gordon holds only 4.1 times base salary in stock. $2.26M of shares against $548.09K in salary for 2025.

Salary from the company's own proxy. The shares are what Mark D. Gordon last reported holding, valued at $3.56, the price Common Stock was last bought or sold at on the open market here, on 20 Oct 2025.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Cortina Gallardo Juan Antonio Carlos
10% owner
$1.68M (3)
−$1.68M
3,931,466
$14.01M
+58.4%
Longley John D Jr
President & COO
$9.08K (2)
$944.93K (3) scheduled
−$935.85K
154,480
$550.47K
+5,229%
Justh Mark B
Director
$1.06M (14)
$357.92K (1)
+$706.04K
880,041
$3.14M
Gordon Mark
Chief Executive Officer
$632.75K (6) scheduled
−$632.75K
635,263
$2.26M
+1,095%
Abbott John
Director
$180.03K (2)
−$180.03K
0
$0.00
−100.0%
FourWorld Capital Management LLC entity
10% owner
$60.99K (1)
+$60.99K
914,649
$3.26M
+1.0%
Barton Laura Lionetti
Chief Business Officer
$14.46K (2)
+$14.46K
94,005
$334.98K
+65.4%
Nudi Jay
PAO/Treasurer
$5.03K (1)
+$5.03K
97,826
$348.59K
+749.4%
SIEGEL TODD E
Director
166,377
$592.87K
+5,019%
Sawyer Jon D
Director
119,798
$426.89K
+360.8%
Pommeraud Larissa Tiffany
Director
101,970
$363.36K
PIGNATELLI JAMES S
Director
64,348
$229.30K
+700.2%
Jones Christopher Emlyn
Chief Financial Officer
1,997
$7.12K

No percentages here. This company's share count has moved by a factor of 2.7 over the window, from 21,730,370 to 58,574,115 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Justh Mark B
31 Dec 2024
Director
Buy
50,000
$0.64
$32.24K
Justh Mark B
24 Dec 2024
Director
Buy
250,000
$0.55
$137.50K
Barton Laura Lionetti
15 Jun 2022
Chief Business Officer
Buy indirect
2,500
$2.85
$7.13K
Barton Laura Lionetti
18 Aug 2021
Chief Business Officer
Buy indirect
1,250
$5.87
$7.34K
Justh Mark B
25 May 2021
Director
Buy
10,000
$6.01
$60.10K
FourWorld Capital Management LLC
18 Mar 2021
10% owner
Buy indirect
9,250
$6.59
$60.99K
Justh Mark B
31 Aug 2020
Director
Buy
12,000
$5.70
$68.40K
Longley John D Jr
20 Mar 2020
President & COO
Buy
266
$3.31
$880.46
Longley John D Jr
19 Mar 2020
President & COO
Buy
2,734
$3.00
$8.20K
Justh Mark B
17 Mar 2020
Director
Buy
20,000
$2.91
$58.20K
Justh Mark B
30 Dec 2019
Director
Buy
4,000
$3.17
$12.68K
Justh Mark B
27 Dec 2019
Director
Buy
26,000
$3.19
$82.94K
Justh Mark B
25 Jun 2019
Director
Buy
19,516
$5.06
$98.75K
Justh Mark B
1 May 2019
Director
Buy
20,000
$5.12
$102.40K
Nudi Jay
23 Oct 2018
CFO/Treasurer
Buy
780
$6.45
$5.03K
Justh Mark B
22 Oct 2018
Director
Buy
20,000
$6.59
$131.80K
Justh Mark B
23 May 2018
Director
Buy
5,000
$8.35
$41.75K
Justh Mark B
22 May 2018
Director
Buy
11,000
$9.10
$100.10K
Justh Mark B
13 Nov 2017
Director
Buy
14,241
$3.83
$54.54K
Justh Mark B
10 Nov 2017
Director
Buy
21,500
$3.84
$82.56K

What was left out

Form 4 filings counted 160
Amendments (4/A) skipped 3
Filings about a different issuer 0
Unreadable filings 0
Joint filings 1
Sales on a Rule 10b5-1 plan 6
Sales straight out of an exercise 3
Sales at will 6
Transactions with no price 0
Shares from compensation/vesting 9,190,192
Sales filed before the plan box existed 1
History held since 9 Sep 2016