LONGLEY JOHN D JR (Chief Operating Officer) sold 63.0% of their position (256.05K shares) of ODYSSEY MARINE EXPLORATION INC on the open market

Open‑market sale worth $944.9K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

LONGLEY JOHN D JR

Filed: 10/15/2025ACC: 0001193125-25-240389

InsiderLONGLEY JOHN D JRCIK 1619958

→

IssuerODYSSEY MARINE EXPLORATION INCCIK 798528

Officer· Chief Operating Officer

Since Dec 2018

-256.05K

Net shares

Net seller

$944.9K

Total sold

Open market trades

0B · 3S

Total transactions

150K acquired · 406.05K disposed

Non-Derivative Transactions5

Common Stock

Direct

M · Option Exercise

+6.50K

Price / share

$0.41

Trade value

$2.69K

% of position

2.5%

10/13/2025

256.36K→262.86K

Common Stock

Direct

S · Sale

−38.98K

Price / share

$3.50

Trade value

$136.42K

% of position

14.8%

10/13/2025

262.86K→223.88K

Common Stock

Direct

S · Sale

−73.57K

Price / share

$3.75

Trade value

$275.58K

% of position

32.9%

10/14/2025

223.88K→150.31K

Common Stock

Direct

M · Option Exercise

+143.50K

Price / share

$0.41

Trade value

$59.42K

% of position

95.5%

10/14/2025

150.31K→293.81K

Common Stock

Direct

S · Sale

−143.50K

Price / share

$3.71

Trade value

$532.93K

% of position

48.8%

10/14/2025

293.81K→150.31K

Total

Net shares

−106.05K

Net value

-$882.81K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	10/13/2025	M · Option Exercise	+6.50K	$0.41	$2.69K	2.5%	256.36K	262.86K
Common Stock Direct	10/13/2025	S · Sale	−38.98K	$3.50	$136.42K	14.8%	262.86K	223.88K
Common Stock Direct	10/14/2025	S · Sale	−73.57K	$3.75	$275.58K	32.9%	223.88K	150.31K
Common Stock Direct	10/14/2025	M · Option Exercise	+143.50K	$0.41	$59.42K	95.5%	150.31K	293.81K
Common Stock Direct	10/14/2025	S · Sale	−143.50K	$3.71	$532.93K	48.8%	293.81K	150.31K
Total			−106.05K		-$882.81K

Derivative Transactions2

Stock Option(Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

6.50K shares

−6.50K

Strike price

0.4141

Held after

143.50K

Exercisable

—

10/13/2025

Stock Option(Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

143.50K shares

−143.50K

Strike price

0.4141

Held after

0.00

Exercisable

—

10/14/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option(Right to Buy) Direct	Common Stock6.50K shares	10/13/2025	M · Option Exercise	−6.50K	0.4141	—	143.50K
Stock Option(Right to Buy) Direct	Common Stock143.50K shares	10/14/2025	M · Option Exercise	−143.50K	0.4141	—	0.00