OMEX Odyssey Marine Exploration (OMEX) Insider Trading, Ownership & Congress Trades
Transport · Water transportation · CIK 0000798528
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
27
13F, latest reported quarter
Conversions, 180 days
4
Codes C/M, not in net · $0 priced
OMEX filings, in plain words
Read the full summary
The latest 5% ownership filing is a 13D by Two Seas Capital LP, filed 2026-04-13, for 10.0% of the class. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.
Odyssey Marine Exploration insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
No insider purchases or sales are on record for ODYSSEY MARINE EXPLORATION INC in the period covered. Source: SEC Form 4 filings, as of 2026-10-27.
Insider
Filed
Shares
Value
Since filing
Context
- 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Oct 17, 2025.
- The trade is 6.2% of the 482,235 shares held after it.
- 1 other insider sold within 30 days.
- 27 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer Gordon Mark sold about $106.8K of OMEX on Oct 20, 2025; 1 other insider sold within 30 days and 27 funds added in the latest 13F quarter.Context
- 4 earlier Form 4 trades (code P or S) here by this insider (4 sales), the last on Oct 16, 2025.
- The trade is 5.9% of the 512,235 shares held after it.
- 1 other insider sold within 30 days.
- 27 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer Gordon Mark sold about $105.0K of OMEX on Oct 17, 2025; 1 other insider sold within 30 days and 27 funds added in the latest 13F quarter.Context
- 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Oct 15, 2025.
- The trade is 5.5% of the 542,235 shares held after it.
- 1 other insider sold within 30 days.
- 27 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer Gordon Mark sold about $116.1K of OMEX on Oct 16, 2025; 1 other insider sold within 30 days and 27 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Oct 14, 2025.
- The trade is 5.2% of the 572,235 shares held after it.
- 1 other insider sold within 30 days.
- 27 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Executive Officer Gordon Mark sold about $119.4K of OMEX on Oct 15, 2025; 1 other insider sold within 30 days and 27 funds added in the latest 13F quarter.Context
- 1 earlier Form 4 trade (code P or S) here by this insider (1 sale), the last on Oct 13, 2025.
- The trade is 48.9% of the 150,313 shares held after it.
- 1 other insider sold within 30 days.
- 27 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President & COO Longley John D Jr sold about $275.9K of OMEX on Oct 14, 2025; 1 other insider sold within 30 days and 27 funds added in the latest 13F quarter.19 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
27 funds bought in last quarter
below 76% of Transport
Revenue
-54.0% year over year
below 96% of Transport
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
10.1% of the float short (float per yahoo 2026-10-26) · 16.1 days to cover · settled 2026-09-30
more than 81% of Transport
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch OMEX
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-78.5%12M
13D/G stake
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns OMEX: institutional holders (13F)
13F holdings, latest reported quarter
5,592,985 sh
$4.8M
4,502,674 sh
$3.8M
2,394,545 sh
$2.0M
1,500,000 sh
$1.3M
1,382,420 sh
$1.2M
Congress trades in OMEX
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
13D: intends to influence · 13G: passive
Two Seas Capital LP
Activist 13D · 2026-04-13
9.99%
Two Seas Capital GP LLC
Activist 13D · 2026-04-13
9.99%
Sina Toussi
Activist 13D · 2026-04-13
9.99%
OMEX planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
OMEX mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Global Endurance Portfolio
$408.0K position · as of 2026-06-30
2.5%
iShares Micro-Cap ETF
$154.1K position · as of 2026-06-30
0.0%
1290 VT Micro Cap Portfolio
$10.3K position · as of 2026-06-30
0.0%
Fidelity Extended Market Index Fund
$307.6K position · as of 2026-05-31
0.0%
VANGUARD EXTENDED MARKET INDEX FUND
$487.3K position · as of 2026-06-30
0.0%
Fidelity Nasdaq Composite Index Fund
$33.5K position · as of 2026-05-31
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return · Mark D. Gordon
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$1.6M
$1.6M
$958.2K
-49%
n/a
2024
$902.2K
$640.3K
$637.2K
-81%
n/a
2023
$707.0K
$648.1K
$275.3K
+20%
n/a
2022
$928.8K
$919.4K
$549.3K
-25%
n/a
2021
$1.3M
$800.4K
$661.2K
-27%
n/a
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows 27 funds added last quarter. Each figure is a federal filing, dated the day it went public.
OMEX financials
Revenue growth
-54.0%
XBRL, annual
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$184.1K
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM OMEX
| FY Dec 2025 | $353.7K |
| FY Dec 2024 | $768.7K |
| FY Dec 2023 | $803.8K |
| FY Dec 2022 | $1.3M |
| FY Dec 2021 | $921.2K |
| Jun 2026 | $77.9K |
| Mar 2026 | $22.5K |
| Dec 2025 | $22.7K |
| Sep 2025 | $61.0K |
| Jun 2025 | $135.0K |
| Mar 2025 | $135.0K |
| Dec 2024 | $136.1K |
| Sep 2024 | $213.9K |
At each fiscal year end
Single quarter
Net margin, TTM
n/a
revenue under $1M, the ratio says nothing
Net margin, TTM OMEX
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Single quarter
Free cash flow, TTM
-$13.4M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM OMEX
| FY Dec 2025 | -$8.9M |
| FY Dec 2024 | $558.0K |
| FY Dec 2023 | -$11.5M |
| FY Dec 2022 | -$11.7M |
| FY Dec 2021 | -$5.4M |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | -$2.8M |
| Sep 2025 | -$2.1M |
| Jun 2025 | -$2.0M |
| Mar 2025 | -$2.0M |
| Dec 2024 | -$1.8M |
| Sep 2024 | -$1.6M |
At each fiscal year end
Single quarter
Debt to equity
n/a
equity is zero or negative, the ratio has no meaning
Debt to equity OMEX
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
-4.47x
TTM operating cash flow over long-term debt only, 2017-12-31 (103 months older than the period end)
Cash flow to debt OMEX
| FY Dec 2025 | -2.95x |
| FY Dec 2024 | 0.21x |
| FY Dec 2023 | -3.39x |
| FY Dec 2022 | -3.40x |
| FY Dec 2021 | -1.81x |
| Jun 2026 | -4.47x |
| Mar 2026 | -3.58x |
| Dec 2025 | -2.95x |
| Sep 2025 | -2.60x |
| Jun 2025 | -2.42x |
| Mar 2025 | 0.12x |
| Dec 2024 | 0.21x |
| Sep 2024 | 0.33x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
n/a
average equity is zero or negative
Return on equity OMEX
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
-264.6%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets OMEX
| FY Dec 2025 | -251.0% |
| FY Dec 2024 | +75.9% |
| FY Dec 2023 | +29.2% |
| FY Dec 2022 | n/a |
| FY Dec 2021 | -96.3% |
| Jun 2026 | -264.6% |
| Mar 2026 | -308.1% |
| Dec 2025 | -251.0% |
| Sep 2025 | -155.4% |
| Jun 2025 | +5.0% |
| Mar 2025 | +79.0% |
| Dec 2024 | +75.9% |
| Sep 2024 | +61.5% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on invested capital OMEX
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
n/a
capital employed is zero or negative
Return on capital employed OMEX
| FY Dec 2025 | -14,496% |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | -14,496% |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
P/E, trailing OMEX
| FY Dec 2025 | n/a |
| FY Dec 2024 | 12.00x |
| FY Dec 2023 | 9.49x |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | 1.60x |
| Dec 2024 | 12.00x |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$33.2M
market value at close 2026-10-23 on 2026-08-07 shares, plus long-term debt only, 2017-12-31 (103 months older than the period end), minus cash 2026-06-30
Enterprise value OMEX
| FY Dec 2025 | $108.7M |
| FY Dec 2024 | $13.9M |
| FY Dec 2023 | $91.9M |
| FY Dec 2022 | $77.2M |
| FY Dec 2021 | $75.0M |
| Jun 2026 | $50.4M |
| Mar 2026 | $49.5M |
| Dec 2025 | $108.7M |
| Sep 2025 | $85.3M |
| Jun 2025 | $36.4M |
| Mar 2025 | $12.2M |
| Dec 2024 | $13.9M |
| Sep 2024 | $17.2M |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
-41.2%
TTM free cash flow over market value at close 2026-10-23
FCF yield OMEX
| FY Dec 2025 | -8.1% |
| FY Dec 2024 | +3.6% |
| FY Dec 2023 | -12.4% |
| FY Dec 2022 | -15.4% |
| FY Dec 2021 | -7.3% |
| Jun 2026 | -27.0% |
| Mar 2026 | -22.1% |
| Dec 2025 | -8.1% |
| Sep 2025 | -8.8% |
| Jun 2025 | -19.6% |
| Mar 2025 | +3.2% |
| Dec 2024 | +3.6% |
| Sep 2024 | +0.7% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
PEG, trailing OMEX
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2023-09 | |
|---|---|---|---|---|
| Revenue | $353.7K | $768.7K | $803.8K | n/a |
| Operating income | -$13.4M | -$12.0M | -$10.3M | n/a |
| Net income | -$43.1M | $15.7M | $5.3M | n/a |
| EPS (diluted) | -1.10 | 0.07 | 0.27 | n/a |
| Operating cash flow | -$8.8M | $642.3K | -$10.2M | n/a |
| Cash | $3.5M | $4.8M | $4.0M | $511.8K |
SEC XBRL, fiscal years, as known on 2026-10-27
OMEX Stock Sonar score 4/7 axes
Find similar shapesCompareOMEX ranks highest on risk and compliance (57th percentile) and institutional and government (36th), and lowest on financial health (3rd), among Transport peers.
4 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
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