GORDON MARK

PrivateCIK: 1385250
Location

TAMPA, FL

GORDON MARK (CEO and President) sold 15.7% of their position (90K shares) of ODYSSEY MARINE EXPLORATION INC on the open market

Open‑market sale worth $327.9K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderGORDON MARKCIK 1385250
DirectorOfficer· CEO and President
Since Dec 2018
-90K
Net shares
Net seller
$327.9K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
90K disposed
Non-Derivative Transactions3

Common Stock

Direct
S · Sale

Shares

30K

Price / share

$3.87

Trade value

$116.04K

% of position

5.2%
10/16/2025
572.24K542.24K

Common Stock

Direct
S · Sale

Shares

30K

Price / share

$3.50

Trade value

$105K

% of position

5.5%
10/17/2025
542.24K512.24K

Common Stock

Direct
S · Sale

Shares

30K

Price / share

$3.56

Trade value

$106.90K

% of position

5.9%
10/20/2025
512.24K482.24K
Total

Net shares

90K

Net value

-$327.94K

Derivative Transactions0
No derivative transactions reported
GORDON MARK — Insider Transaction (Form 4) Filed Oct 20, 2025 | Finecho