OMEX

Odyssey Marine Exploration INC

Insider trading activity for Odyssey Marine Exploration INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

-$1.6M

net selling

Bought(0 · 0 insiders): $0
Sold(9 · 2 insiders): $1.6M

Transaction history

The 55 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 30	Longley John D Jr	President & COO	MEXER◆	4,167	—	—	—	Open the original filing on SEC.gov
Jun 30	Longley John D Jr	President & COO	AGRANT	4,167	—	—	+2.8%	Open the original filing on SEC.gov
Jun 30	Gordon Mark	Chief Executive Officer	MEXER◆	4,167	—	—	—	Open the original filing on SEC.gov
Jun 30	Gordon Mark	Chief Executive Officer	FTAX	1,139	$0.8504	$969	-0.2%	Open the original filing on SEC.gov
Jun 30	Gordon Mark	Chief Executive Officer	AGRANT	4,167	—	—	+0.7%	Open the original filing on SEC.gov
Jun 1	Sawyer Jon D	Director	MEXER◆	20,000	—	—	—	Open the original filing on SEC.gov
Jun 1	Sawyer Jon D	Director	MEXER	20,000	—	—	+22.5%	Open the original filing on SEC.gov
Jun 1	Siegel Todd E	Director	MEXER◆	20,000	—	—	—	Open the original filing on SEC.gov
Jun 1	Siegel Todd E	Director	MEXER	20,000	—	—	+13.7%	Open the original filing on SEC.gov
Jun 1	Pommeraud Larissa…	Director	MEXER◆	20,000	—	—	—	Open the original filing on SEC.gov
Jun 1	Pommeraud Larissa…	Director	MEXER	20,000	—	—	+24.4%	Open the original filing on SEC.gov
Jun 1	Justh Mark B	Director	MEXER◆	20,000	—	—	—	Open the original filing on SEC.gov
Jun 1	Justh Mark B	Director	MEXER	20,000	—	—	+2.3%	Open the original filing on SEC.gov
May 14	Pommeraud Larissa…	Director	AGRANT	9,346	—	—	+12.9%	Open the original filing on SEC.gov
May 14	Sawyer Jon D	Director	AGRANT	9,346	—	—	+11.7%	Open the original filing on SEC.gov
Apr 20	Siegel Todd E	Director	AGRANT	31,475	—	—	+27.4%	Open the original filing on SEC.gov
Apr 20	Pommeraud Larissa…	Director	AGRANT	23,981	—	—	+49.3%	Open the original filing on SEC.gov
Mar 23	Gordon Mark	Chief Executive Officer	MEXER◆	150,000	—	—	—	Open the original filing on SEC.gov
Mar 23	Gordon Mark	Chief Executive Officer	MEXER	150,000	$0.4141	$62.1K	+31.1%	Open the original filing on SEC.gov
Mar 8	Pommeraud Larissa…	Director	AGRANT	6,803	—	—	+16.3%	Open the original filing on SEC.gov
Feb 6	Pommeraud Larissa…	Director	AGRANT	5,291	—	—	+14.5%	Open the original filing on SEC.gov
Feb 6	Siegel Todd E	Director	AGRANT	7,937	—	—	+7.4%	Open the original filing on SEC.gov
Jan 6	Siegel Todd E	Director	AGRANT	7,653	—	—	+7.7%	Open the original filing on SEC.gov
Jan 6	Pommeraud Larissa…	Director	AGRANT	10,204	—	—	+38.7%	Open the original filing on SEC.gov
Dec 5, 2025	Sawyer Jon D	Director	AGRANT	4,854	—	—	+6.5%	Open the original filing on SEC.gov
Dec 5, 2025	Siegel Todd E	Director	AGRANT	7,282	—	—	+7.9%	Open the original filing on SEC.gov
Dec 5, 2025	Pommeraud Larissa…	Director	AGRANT	4,854	—	—	+22.6%	Open the original filing on SEC.gov
Dec 2, 2025	Pommeraud Larissa…	Director	AGRANT◆	30,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Pommeraud Larissa…	Director	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Siegel Todd E	Director	AGRANT◆	30,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Siegel Todd E	Director	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Sawyer Jon D	Director	AGRANT◆	30,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Sawyer Jon D	Director	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Longley John D Jr	President and COO	AGRANT◆	100,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Longley John D Jr	President and COO	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Justh Mark B	Director	AGRANT◆	30,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Justh Mark B	Director	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Gordon Mark	Chief Executive Officer	AGRANT◆	100,000	—	—	—	Open the original filing on SEC.gov
Dec 2, 2025	Gordon Mark	Chief Executive Officer	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Nov 6, 2025	Siegel Todd E	Director	AGRANT	7,042	—	—	+8.3%	Open the original filing on SEC.gov
Nov 6, 2025	Pommeraud Larissa…	Director	AGRANT	4,695	—	—	+28.0%	Open the original filing on SEC.gov
Nov 6, 2025	Sawyer Jon D	Director	AGRANT	4,695	—	—	+6.7%	Open the original filing on SEC.gov
Oct 20, 2025	Gordon Mark	Chief Executive Officer	SSELL◷	30,000	$3.56	$106.9K	-5.9%	Open the original filing on SEC.gov
Oct 17, 2025	Gordon Mark	Chief Executive Officer	SSELL◷	30,000	$3.50	$105K	-5.5%	Open the original filing on SEC.gov
Oct 16, 2025	Gordon Mark	Chief Executive Officer	SSELL◷	30,000	$3.87	$116K	-5.2%	Open the original filing on SEC.gov
Oct 15, 2025	Gordon Mark	Chief Executive Officer	SSELL◷	30,000	$3.98	$119.4K	-5.0%	Open the original filing on SEC.gov
Oct 14, 2025	Longley John D Jr	President & COO	MEXER◷◆	143,500	—	—	—	Open the original filing on SEC.gov
Oct 14, 2025	Longley John D Jr	President & COO	SSELL◷	143,500	$3.71	$532.9K	-48.8%	Open the original filing on SEC.gov
Oct 14, 2025	Longley John D Jr	President & COO	MEXER◷	143,500	$0.4141	$59.4K	+95.5%	Open the original filing on SEC.gov
Oct 14, 2025	Longley John D Jr	President & COO	SSELL◷	73,572	$3.75	$275.6K	-32.9%	Open the original filing on SEC.gov
Oct 14, 2025	Gordon Mark	Chief Executive Officer	SSELL◷	30,000	$3.74	$112.1K	-4.8%	Open the original filing on SEC.gov
Oct 13, 2025	Longley John D Jr	President & COO	MEXER◷◆	6,500	—	—	—	Open the original filing on SEC.gov
Oct 13, 2025	Longley John D Jr	President & COO	SSELL◷	38,977	$3.50	$136.4K	-14.8%	Open the original filing on SEC.gov
Oct 13, 2025	Longley John D Jr	President & COO	MEXER◷	6,500	$0.4141	$2.7K	+2.5%	Open the original filing on SEC.gov
Oct 13, 2025	Gordon Mark	Chief Executive Officer	SSELL◷	20,956	$3.50	$73.3K	-3.2%	Open the original filing on SEC.gov

MEXER◆—

Longley John D Jr · President & COOJun 30

4,167 sh

AGRANT—

Longley John D Jr · President & COOJun 30

4,167 sh · +2.8% own

MEXER◆—

Gordon Mark · Chief Executive…Jun 30

4,167 sh

FTAX$969

Gordon Mark · Chief Executive…Jun 30

1,139 sh @ $0.8504 · -0.2% own

AGRANT—

Gordon Mark · Chief Executive…Jun 30

4,167 sh · +0.7% own

MEXER◆—

Sawyer Jon D · DirectorJun 1

20,000 sh

MEXER—

Sawyer Jon D · DirectorJun 1

20,000 sh · +22.5% own

MEXER◆—

Siegel Todd E · DirectorJun 1

20,000 sh

MEXER—

Siegel Todd E · DirectorJun 1

20,000 sh · +13.7% own

MEXER◆—

Pommeraud Larissa… · DirectorJun 1

20,000 sh

MEXER—

Pommeraud Larissa… · DirectorJun 1

20,000 sh · +24.4% own

MEXER◆—

Justh Mark B · DirectorJun 1

20,000 sh

MEXER—

Justh Mark B · DirectorJun 1

20,000 sh · +2.3% own

AGRANT—

Pommeraud Larissa… · DirectorMay 14

9,346 sh · +12.9% own

AGRANT—

Sawyer Jon D · DirectorMay 14

9,346 sh · +11.7% own

AGRANT—

Siegel Todd E · DirectorApr 20

31,475 sh · +27.4% own

AGRANT—

Pommeraud Larissa… · DirectorApr 20

23,981 sh · +49.3% own

MEXER◆—

Gordon Mark · Chief Executive…Mar 23

150,000 sh

MEXER$62.1K

Gordon Mark · Chief Executive…Mar 23

150,000 sh @ $0.4141 · +31.1% own

AGRANT—

Pommeraud Larissa… · DirectorMar 8

6,803 sh · +16.3% own

AGRANT—

Pommeraud Larissa… · DirectorFeb 6

5,291 sh · +14.5% own

AGRANT—

Siegel Todd E · DirectorFeb 6

7,937 sh · +7.4% own

AGRANT—

Siegel Todd E · DirectorJan 6

7,653 sh · +7.7% own

AGRANT—

Pommeraud Larissa… · DirectorJan 6

10,204 sh · +38.7% own

AGRANT—

Sawyer Jon D · DirectorDec 5, 2025

4,854 sh · +6.5% own

AGRANT—

Siegel Todd E · DirectorDec 5, 2025

7,282 sh · +7.9% own

AGRANT—

Pommeraud Larissa… · DirectorDec 5, 2025

4,854 sh · +22.6% own

AGRANT◆—

Pommeraud Larissa… · DirectorDec 2, 2025

30,000 sh

AGRANT◆—

Pommeraud Larissa… · DirectorDec 2, 2025

20,000 sh

AGRANT◆—

Siegel Todd E · DirectorDec 2, 2025

30,000 sh

AGRANT◆—

Siegel Todd E · DirectorDec 2, 2025

20,000 sh

AGRANT◆—

Sawyer Jon D · DirectorDec 2, 2025

30,000 sh

AGRANT◆—

Sawyer Jon D · DirectorDec 2, 2025

20,000 sh

AGRANT◆—

Longley John D Jr · President and COODec 2, 2025

100,000 sh

AGRANT◆—

Longley John D Jr · President and COODec 2, 2025

25,000 sh

AGRANT◆—

Justh Mark B · DirectorDec 2, 2025

30,000 sh

AGRANT◆—

Justh Mark B · DirectorDec 2, 2025

20,000 sh

AGRANT◆—

Gordon Mark · Chief Executive…Dec 2, 2025

100,000 sh

AGRANT◆—

Gordon Mark · Chief Executive…Dec 2, 2025

25,000 sh

AGRANT—

Siegel Todd E · DirectorNov 6, 2025

7,042 sh · +8.3% own

AGRANT—

Pommeraud Larissa… · DirectorNov 6, 2025

4,695 sh · +28.0% own

AGRANT—

Sawyer Jon D · DirectorNov 6, 2025

4,695 sh · +6.7% own

SSELL◷$106.9K

Gordon Mark · Chief Executive…Oct 20, 2025

30,000 sh @ $3.56 · -5.9% own

SSELL◷$105K

Gordon Mark · Chief Executive…Oct 17, 2025

30,000 sh @ $3.50 · -5.5% own

SSELL◷$116K

Gordon Mark · Chief Executive…Oct 16, 2025

30,000 sh @ $3.87 · -5.2% own

SSELL◷$119.4K

Gordon Mark · Chief Executive…Oct 15, 2025

30,000 sh @ $3.98 · -5.0% own

MEXER◷◆—

Longley John D Jr · President & COOOct 14, 2025

143,500 sh

SSELL◷$532.9K

Longley John D Jr · President & COOOct 14, 2025

143,500 sh @ $3.71 · -48.8% own

MEXER◷$59.4K

Longley John D Jr · President & COOOct 14, 2025

143,500 sh @ $0.4141 · +95.5% own

SSELL◷$275.6K

Longley John D Jr · President & COOOct 14, 2025

73,572 sh @ $3.75 · -32.9% own

SSELL◷$112.1K

Gordon Mark · Chief Executive…Oct 14, 2025

30,000 sh @ $3.74 · -4.8% own

MEXER◷◆—

Longley John D Jr · President & COOOct 13, 2025

6,500 sh

SSELL◷$136.4K

Longley John D Jr · President & COOOct 13, 2025

38,977 sh @ $3.50 · -14.8% own

MEXER◷$2.7K

Longley John D Jr · President & COOOct 13, 2025

6,500 sh @ $0.4141 · +2.5% own

SSELL◷$73.3K

Gordon Mark · Chief Executive…Oct 13, 2025

20,956 sh @ $3.50 · -3.2% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 31 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.