Odyssey Marine Exploration Inc (OMEX)

Insider trading activity at Odyssey Marine Exploration Inc. concluded in October 2025. During this period, CEO Mark Gordon and President & COO John D. Longley Jr. executed a series of planned and proposed share sales. The most recent transactions occurred on October 20, 2025, involving the divestment of shares by executive leadership.
Ticker: OMEX Exchange: NAS


Loading...
Purchase Sale Planned purchase Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for Odyssey Marine Exploration Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
MARK D GORDON Director; Officer Executive Director
Transaction date
Proposed sale
Price
323.80
Quantity 47,530
Value US$3,227,633
Gordon Mark Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
101.46
Quantity 46,474 -22.3%
Value US$1,630,043
Gordon Mark Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
158.88
Quantity 22,539 +21.7%
Value US$191,654
MARK D GORDON Director; Officer Executive Director
Transaction date
Proposed sale
Price
3.25
Quantity 30,000
Value US$97,500
Gordon Mark Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
3.87
Quantity 30,000 -5.2%
Value US$116,043
MARK D GORDON Director; Officer Executive Director
Transaction date
Proposed sale
Price
3.73
Quantity 30,000
Value US$111,900
MARK D GORDON Director; Officer Executive Director
Transaction date
Proposed sale
Price
4.12
Quantity 30,000
Value US$123,600
Gordon Mark Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
3.98
Quantity 30,000 -5.0%
Value US$119,370
3.6
Longley John D Jr President & COO Officer
Transaction date
Planned sale
Price
3.71
Quantity 143,500 -48.8%
Value US$532,930
3.6
Longley John D Jr President & COO Officer
Transaction date
Planned sale
Price
3.75
Quantity 73,572 -32.9%
Value US$275,579
Gordon Mark Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
3.74
Quantity 30,000 -4.7%
Value US$112,086
3.6
JOHN D LONGLEY JR. Officer Officer
Transaction date
Proposed sale
Price
3.49
Quantity 143,500
Value US$500,815
MARK D GORDON Director; Officer Executive Director
Transaction date
Proposed sale
Price
3.49
Quantity 30,000
Value US$104,700
3.6
Longley John D Jr President & COO Officer
Transaction date
Planned sale
Price
3.50
Quantity 38,977 -14.8%
Value US$136,420
Gordon Mark Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
3.50
Quantity 20,956 -3.2%
Value US$73,346
3.6
JOHN D LONGLEY JR. Officer Officer
Transaction date
Proposed sale
Price
2.82
Quantity 6,500
Value US$18,330
MARK D GORDON Director; Officer Executive Director
Transaction date
Proposed sale
Price
2.82
Quantity 20,956
Value US$59,096
3.0
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
0.64
Quantity 50,000 +10.0%
Value US$32,235
3.0
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
0.55
Quantity 250,000 +99.6%
Value US$137,500
Jones Christopher Emlyn Officer Officer
Transaction date
Proposed sale
Price
3.71
Quantity 62,846
Value US$233,159
1.5
Abbott John Non-Executive Director
Transaction date
Sale
Price
3.03
Quantity 16,922 -100.0%
Value US$51,274
1.5
Abbott John Non-Executive Director
Transaction date
Sale
Price
3.05
Quantity 42,216 -71.4%
Value US$128,759
2.2
Barton Laura Lionetti Chief Business Officer Executive Director
Transaction date
Purchase
Price
2.85
Quantity 2,500 +50.0%
Value US$7,125
3.0
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
5.70
Quantity 12,000 +4.9%
Value US$68,400
3.6
Longley John D Jr President & COO Officer
Transaction date
Purchase
Price
3.31
Quantity 266 +0.6%
Value US$880
3.6
Longley John D Jr President & COO Officer
Transaction date
Purchase
Price
3.00
Quantity 2,734 +6.2%
Value US$8,202
3.0
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
2.91
Quantity 20,000 +9.0%
Value US$58,200
Transaction date
Purchase
Price
3.17
Quantity 4,000 +2.0%
Value US$12,680
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
3.19
Quantity 26,000 +14.9%
Value US$82,940
Transaction date
Purchase
Price
5.06
Quantity 19,516 +12.6%
Value US$98,751
Transaction date
Purchase
Price
5.12
Quantity 20,000 +15.0%
Value US$102,400
Nudi Jay CFO/Treasurer Officer
Transaction date
Purchase
Price
6.45
Quantity 780 +2.1%
Value US$5,031
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
6.59
Quantity 20,000 +17.6%
Value US$131,800
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
8.35
Quantity 5,000 +4.6%
Value US$41,750
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
9.10
Quantity 11,000 +11.3%
Value US$100,100
Justh Mark B
Transaction date
Purchase
Price
3.83
Quantity 14,241 +17.1%
Value US$54,543
Justh Mark B
Transaction date
Purchase
Price
3.84
Quantity 21,500 +34.9%
Value US$82,560
SAUL DAVID J Non-Executive Director
Transaction date
Purchase
Price
2.63
Quantity 44,540 +4.4%
Value US$117,140
Justh Mark B Non-Executive Director
Transaction date
Purchase
Price
3.33
Quantity 75,000 +375.0%
Value US$249,750
SAUL DAVID J Non-Executive Director
Transaction date
Purchase
Price
3.40
Quantity 38,000 +4.0%
Value US$129,200
Holmes Michael J CFO Officer
Transaction date
Sale
Price
2.70
Quantity 2,000 -1.6%
Value US$5,400
Holmes Michael J CFO Officer
Transaction date
Sale
Price
2.70
Quantity 5,000 -3.9%
Value US$13,500
Holmes Michael J CFO Officer
Transaction date
Sale
Price
2.70
Quantity 10,000 -7.3%
Value US$27,027
Holmes Michael J CFO Officer
Transaction date
Sale
Price
2.71
Quantity 10,000 -6.8%
Value US$27,115
Holmes Michael J CFO Officer
Transaction date
Sale
Price
2.72
Quantity 10,000 -6.4%
Value US$27,160
Holmes Michael J CFO Officer
Transaction date
Sale
Price
4.00
Quantity 7,750 -4.7%
Value US$31,000
Barton Laura Lionetti VP-Communications Officer
Transaction date
Sale
Price
3.17
Quantity 15,000 -12.6%
Value US$47,518
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.89
Quantity 1,000 -0.7%
Value US$4,890
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.93
Quantity 1,000 -0.7%
Value US$4,930
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.93
Quantity 300 -0.2%
Value US$1,480
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.96
Quantity 200 -0.1%
Value US$992
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.93
Quantity 1,000 -0.7%
Value US$4,930
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.86
Quantity 500 -0.4%
Value US$2,430
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.88
Quantity 1,000 -0.7%
Value US$4,880
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.88
Quantity 500 -0.4%
Value US$2,440
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.85
Quantity 500 -0.4%
Value US$2,425
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.82
Quantity 1,000 -0.7%
Value US$4,820
KNUTSSON GEORGE Non-Executive Director
Transaction date
Sale
Price
4.80
Quantity 350 -0.2%
Value US$1,680
MORRIS DAVID A Secretary / Treasurer Officer
Transaction date
Planned sale
Price
5.65
Quantity 10,000 -3.1%
Value US$56,500
MORRIS DAVID A Secretary/Treasurer Officer
Transaction date
Planned sale
Price
5.30
Quantity 15,000 -4.5%
Value US$79,500
MORRIS DAVID A Secretary/Treasurer Officer
Transaction date
Sale
Price
4.86
Quantity 5,000 -1.6%
Value US$24,300
MORRIS DAVID A Secretary/Treasurer Officer
Transaction date
Sale
Price
4.87
Quantity 5,000 -1.5%
Value US$24,350
MORRIS DAVID A Secretary/Treasurer Officer
Transaction date
Sale
Price
5.35
Quantity 5,000 -1.6%
Value US$26,750
MORRIS DAVID A Secretary/Treasurer Officer
Transaction date
Sale
Price
5.30
Quantity 5,000 -1.5%
Value US$26,500
MORRIS DAVID A Secretary / Treasurer Officer
Transaction date
Planned sale
Price
5.09
Quantity 2,600 -0.9%
Value US$13,234
MORRIS DAVID A Secretary / Treasurer Officer
Transaction date
Planned sale
Price
5.08
Quantity 1,600 -0.5%
Value US$8,128
MORRIS DAVID A Secretary / Treasurer Officer
Transaction date
Planned sale
Price
5.07
Quantity 6,600 -2.1%
Value US$33,462
MORRIS DAVID A Secretary / Treasurer Officer
Transaction date
Planned sale
Price
5.06
Quantity 900 -0.3%
Value US$4,554
MORRIS DAVID A Secretary / Treasurer Officer
Transaction date
Planned sale
Price
5.05
Quantity 3,300 -1.1%
Value US$16,665
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-10-20 2025-10-20 PrS Proposed sale

Director; Officer

Executive Director
47,530
323.80
US$3,227,633
47,530 323.80 US$3,227,633
2025-10-20 2025-10-20 PlS Planned sale

Chief Executive Officer

Executive Director
46,474 -22.3%
101.46
US$1,630,043
46,474 -22.3% 101.46 US$1,630,043
2025-10-20 2025-10-17 PlS Planned sale

Chief Executive Officer

Executive Director
22,539 +21.7%
158.88
US$191,654
22,539 +21.7% 158.88 US$191,654
2025-10-17 2025-10-17 PrS Proposed sale

Director; Officer

Executive Director
30,000
3.25
US$97,500
30,000 3.25 US$97,500
2025-10-20 2025-10-16 PlS Planned sale

Chief Executive Officer

Executive Director
30,000 -5.2%
3.87
US$116,043
30,000 -5.2% 3.87 US$116,043
2025-10-16 2025-10-16 PrS Proposed sale

Director; Officer

Executive Director
30,000
3.73
US$111,900
30,000 3.73 US$111,900
2025-10-15 2025-10-15 PrS Proposed sale

Director; Officer

Executive Director
30,000
4.12
US$123,600
30,000 4.12 US$123,600
2025-10-15 2025-10-15 PlS Planned sale

Chief Executive Officer

Executive Director
30,000 -5.0%
3.98
US$119,370
30,000 -5.0% 3.98 US$119,370
2025-10-15 2025-10-14 PlS Planned sale

President & COO

Officer
143,500 -48.8%
3.71
US$532,930
143,500 -48.8% 3.71 US$532,930
2025-10-15 2025-10-14 PlS Planned sale

President & COO

Officer
73,572 -32.9%
3.75
US$275,579
73,572 -32.9% 3.75 US$275,579
2025-10-15 2025-10-14 PlS Planned sale

Chief Executive Officer

Executive Director
30,000 -4.7%
3.74
US$112,086
30,000 -4.7% 3.74 US$112,086
2025-10-14 2025-10-14 PrS Proposed sale

Officer

Officer
73,572
3.49
US$256,766
73,572 3.49 US$256,766
2025-10-14 2025-10-14 PrS Proposed sale

Officer

Officer
143,500
3.49
US$500,815
143,500 3.49 US$500,815
2025-10-14 2025-10-14 PrS Proposed sale

Director; Officer

Executive Director
30,000
3.49
US$104,700
30,000 3.49 US$104,700
2025-10-15 2025-10-13 PlS Planned sale

President & COO

Officer
38,977 -14.8%
3.50
US$136,420
38,977 -14.8% 3.50 US$136,420
2025-10-15 2025-10-13 PlS Planned sale

Chief Executive Officer

Executive Director
20,956 -3.2%
3.50
US$73,346
20,956 -3.2% 3.50 US$73,346
2025-10-14 2025-10-13 PrS Proposed sale

Officer

Officer
6,500
2.82
US$18,330
6,500 2.82 US$18,330
2025-10-14 2025-10-13 PrS Proposed sale

Director; Officer

Executive Director
20,956
2.82
US$59,096
20,956 2.82 US$59,096
2025-10-14 2025-10-13 PrS Proposed sale

Officer

Officer
32,477
2.82
US$91,585
32,477 2.82 US$91,585
2025-08-13 2025-07-22 S Sale Large shareholder
409,100 -17.0%
1.70
US$696,656
409,100 -17.0% 1.70 US$696,656
2025-08-13 2025-07-18 S Sale Large shareholder
473,591 -16.5%
1.72
US$816,708
473,591 -16.5% 1.72 US$816,708
2025-08-13 2025-07-17 S Sale Large shareholder
96,409 -3.2%
1.70
US$164,156
96,409 -3.2% 1.70 US$164,156
2025-01-03 2024-12-31 B Purchase Non-Executive Director
50,000 +10.0%
0.64
US$32,235
50,000 +10.0% 0.64 US$32,235
2024-12-26 2024-12-24 B Purchase Non-Executive Director
250,000 +99.6%
0.55
US$137,500
250,000 +99.6% 0.55 US$137,500
2023-09-26 2023-09-27 PrS Proposed sale

Officer

Officer
62,846
3.71
US$233,159
62,846 3.71 US$233,159
2023-04-07 2023-04-06 S Sale Non-Executive Director
16,922 -100.0%
3.03
US$51,274
16,922 -100.0% 3.03 US$51,274
2023-04-07 2023-04-05 S Sale Non-Executive Director
42,216 -71.4%
3.05
US$128,759
42,216 -71.4% 3.05 US$128,759
2022-06-17 2022-06-15 B Purchase

Chief Business Officer

Executive Director
2,500 +50.0%
2.85
US$7,125
2,500 +50.0% 2.85 US$7,125
2021-03-22 2021-03-18 B Purchase Large shareholder
9,250 +1.0%
6.59
US$60,985
9,250 +1.0% 6.59 US$60,985
2020-09-01 2020-08-31 B Purchase Non-Executive Director
12,000 +4.9%
5.70
US$68,400
12,000 +4.9% 5.70 US$68,400
2020-03-23 2020-03-20 B Purchase

President & COO

Officer
266 +0.6%
3.31
US$880
266 +0.6% 3.31 US$880
2020-03-23 2020-03-19 B Purchase

President & COO

Officer
2,734 +6.2%
3.00
US$8,202
2,734 +6.2% 3.00 US$8,202
2020-03-19 2020-03-17 B Purchase Non-Executive Director
20,000 +9.0%
2.91
US$58,200
20,000 +9.0% 2.91 US$58,200
2020-01-02 2019-12-30 B Purchase
4,000 +2.0%
3.17
US$12,680
4,000 +2.0% 3.17 US$12,680
2019-12-31 2019-12-27 B Purchase Justh Mark B Non-Executive Director
26,000 +14.9%
3.19
US$82,940
26,000 +14.9% 3.19 US$82,940
2019-06-27 2019-06-25 B Purchase
19,516 +12.6%
5.06
US$98,751
19,516 +12.6% 5.06 US$98,751
2019-05-02 2019-05-01 B Purchase
20,000 +15.0%
5.12
US$102,400
20,000 +15.0% 5.12 US$102,400
2018-10-24 2018-10-23 B Purchase Nudi Jay

CFO/Treasurer

Officer
780 +2.1%
6.45
US$5,031
780 +2.1% 6.45 US$5,031
2018-10-23 2018-10-22 B Purchase Justh Mark B Non-Executive Director
20,000 +17.6%
6.59
US$131,800
20,000 +17.6% 6.59 US$131,800
2018-05-24 2018-05-23 B Purchase Justh Mark B Non-Executive Director
5,000 +4.6%
8.35
US$41,750
5,000 +4.6% 8.35 US$41,750
2018-05-24 2018-05-22 B Purchase Justh Mark B Non-Executive Director
11,000 +11.3%
9.10
US$100,100
11,000 +11.3% 9.10 US$100,100
2017-11-14 2017-11-13 B Purchase Justh Mark B
14,241 +17.1%
3.83
US$54,543
14,241 +17.1% 3.83 US$54,543
2017-11-14 2017-11-10 B Purchase Justh Mark B
21,500 +34.9%
3.84
US$82,560
21,500 +34.9% 3.84 US$82,560
2013-10-22 2013-10-18 B Purchase SAUL DAVID J Non-Executive Director
44,540 +4.4%
2.63
US$117,140
44,540 +4.4% 2.63 US$117,140
2013-07-29 2013-07-25 B Purchase Justh Mark B Non-Executive Director
75,000 +375.0%
3.33
US$249,750
75,000 +375.0% 3.33 US$249,750
2013-03-08 2013-03-07 B Purchase SAUL DAVID J Non-Executive Director
38,000 +4.0%
3.40
US$129,200
38,000 +4.0% 3.40 US$129,200
2012-11-14 2012-11-12 S Sale Holmes Michael J

CFO

Officer
2,000 -1.6%
2.70
US$5,400
2,000 -1.6% 2.70 US$5,400
2012-11-14 2012-11-12 S Sale Holmes Michael J

CFO

Officer
5,000 -3.9%
2.70
US$13,500
5,000 -3.9% 2.70 US$13,500
2012-11-14 2012-11-12 S Sale Holmes Michael J

CFO

Officer
10,000 -7.3%
2.70
US$27,027
10,000 -7.3% 2.70 US$27,027
2012-11-14 2012-11-12 S Sale Holmes Michael J

CFO

Officer
10,000 -6.8%
2.71
US$27,115
10,000 -6.8% 2.71 US$27,115
2012-11-14 2012-11-12 S Sale Holmes Michael J

CFO

Officer
10,000 -6.4%
2.72
US$27,160
10,000 -6.4% 2.72 US$27,160
2012-07-23 2012-07-19 S Sale Holmes Michael J

CFO

Officer
7,750 -4.7%
4.00
US$31,000
7,750 -4.7% 4.00 US$31,000
2012-03-16 2012-03-14 S Sale Barton Laura Lionetti

VP-Communications

Officer
15,000 -12.6%
3.17
US$47,518
15,000 -12.6% 3.17 US$47,518
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
1,000 -0.7%
4.89
US$4,890
1,000 -0.7% 4.89 US$4,890
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
1,000 -0.7%
4.93
US$4,930
1,000 -0.7% 4.93 US$4,930
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
300 -0.2%
4.93
US$1,480
300 -0.2% 4.93 US$1,480
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
200 -0.1%
4.96
US$992
200 -0.1% 4.96 US$992
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
1,000 -0.7%
4.93
US$4,930
1,000 -0.7% 4.93 US$4,930
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
500 -0.4%
4.86
US$2,430
500 -0.4% 4.86 US$2,430
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
1,000 -0.7%
4.88
US$4,880
1,000 -0.7% 4.88 US$4,880
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
500 -0.4%
4.88
US$2,440
500 -0.4% 4.88 US$2,440
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
500 -0.4%
4.85
US$2,425
500 -0.4% 4.85 US$2,425
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
1,000 -0.7%
4.82
US$4,820
1,000 -0.7% 4.82 US$4,820
2008-06-13 2008-06-12 S Sale KNUTSSON GEORGE Non-Executive Director
350 -0.2%
4.80
US$1,680
350 -0.2% 4.80 US$1,680
2008-03-12 2008-03-11 PlS Planned sale MORRIS DAVID A

Secretary / Treasurer

Officer
10,000 -3.1%
5.65
US$56,500
10,000 -3.1% 5.65 US$56,500
2008-03-06 2008-03-04 PlS Planned sale MORRIS DAVID A

Secretary/Treasurer

Officer
15,000 -4.5%
5.30
US$79,500
15,000 -4.5% 5.30 US$79,500
2008-02-29 2008-02-29 S Sale MORRIS DAVID A

Secretary/Treasurer

Officer
5,000 -1.6%
4.86
US$24,300
5,000 -1.6% 4.86 US$24,300
2008-02-29 2008-02-29 S Sale MORRIS DAVID A

Secretary/Treasurer

Officer
5,000 -1.5%
4.87
US$24,350
5,000 -1.5% 4.87 US$24,350
2008-02-29 2008-02-27 S Sale MORRIS DAVID A

Secretary/Treasurer

Officer
5,000 -1.6%
5.35
US$26,750
5,000 -1.6% 5.35 US$26,750
2008-02-29 2008-02-27 S Sale MORRIS DAVID A

Secretary/Treasurer

Officer
5,000 -1.5%
5.30
US$26,500
5,000 -1.5% 5.30 US$26,500
2008-02-04 2008-01-31 PlS Planned sale MORRIS DAVID A

Secretary / Treasurer

Officer
2,600 -0.9%
5.09
US$13,234
2,600 -0.9% 5.09 US$13,234
2008-02-04 2008-01-31 PlS Planned sale MORRIS DAVID A

Secretary / Treasurer

Officer
1,600 -0.5%
5.08
US$8,128
1,600 -0.5% 5.08 US$8,128
2008-02-04 2008-01-31 PlS Planned sale MORRIS DAVID A

Secretary / Treasurer

Officer
6,600 -2.1%
5.07
US$33,462
6,600 -2.1% 5.07 US$33,462
2008-02-04 2008-01-31 PlS Planned sale MORRIS DAVID A

Secretary / Treasurer

Officer
900 -0.3%
5.06
US$4,554
900 -0.3% 5.06 US$4,554
2008-02-04 2008-01-31 PlS Planned sale MORRIS DAVID A

Secretary / Treasurer

Officer
3,300 -1.1%
5.05
US$16,665
3,300 -1.1% 5.05 US$16,665
Explore more

More insider trading research around Odyssey Marine Exploration Inc