Offerings // ODYSSEY MARINE EXPLORATION INC

OMEX offering history

Every offering-related filing in ODYSSEY MARINE EXPLORATION INC’s recent SEC record — registrations (announced capacity) kept separate from pricing documents (executed sales). Reviewed 1,003 filings back to May 9, 2006.

Last executed offering
Apr 14, 2026
8-K — priced deal (shares or notes)
Last registration (announced)
Apr 1, 2025
S-3 — capacity, not a sale
Executed, last 12 months
6
424B pricings + 8-K 3.02 sales
Registered, last 12 months
0
S-1/S-3/F-series registrations
DateFilingWhat it means
Apr 14, 20268-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Apr 8, 20268-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Oct 14, 20258-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Sep 30, 20258-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Sep 23, 20258-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Aug 14, 20258-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Aug 1, 20258-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Jun 10, 20258-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Apr 25, 2025424B5EXECUTEDShelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Apr 21, 2025EFFECTEFFECTIVESEC declared a registration effective — selling can begin
Apr 11, 2025RWWITHDRAWNRegistration withdrawn
Apr 11, 2025RWWITHDRAWNRegistration withdrawn
Apr 8, 2025RWWITHDRAWNRegistration withdrawn
Apr 8, 2025RWWITHDRAWNRegistration withdrawn
Apr 8, 2025RWWITHDRAWNRegistration withdrawn
Apr 1, 2025S-3REGISTEREDS-3 registration — capacity to sell shares, not a sale yet
Feb 7, 2025424B1EXECUTEDProspectus supplement priced — shares or notes (large filers: often a bond deal)
Feb 7, 2025EFFECTEFFECTIVESEC declared a registration effective — selling can begin
Jan 24, 2025S-1REGISTEREDS-1 registration — capacity to sell shares, not a sale yet
Dec 23, 20248-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Jun 12, 2024424B4EXECUTEDFinal prospectus — offering priced (typical for IPOs and marketed share deals)
Jun 12, 2024EFFECTEFFECTIVESEC declared a registration effective — selling can begin
Jun 10, 2024S-1/AREGISTEREDS-1/A registration — capacity to sell shares, not a sale yet
May 24, 2024S-1REGISTEREDS-1 registration — capacity to sell shares, not a sale yet
Dec 4, 20238-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Jun 1, 2023424B5EXECUTEDShelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Jun 1, 2023EFFECTEFFECTIVESEC declared a registration effective — selling can begin
May 23, 2023S-3/AREGISTEREDS-3/A registration — capacity to sell shares, not a sale yet
May 19, 2023S-3REGISTEREDS-3 registration — capacity to sell shares, not a sale yet
Mar 10, 20238-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Jun 10, 2022424B5EXECUTEDShelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Dec 23, 2021EFFECTEFFECTIVESEC declared a registration effective — selling can begin
Dec 10, 2021S-3REGISTEREDS-3 registration — capacity to sell shares, not a sale yet
Oct 5, 2021424B5EXECUTEDShelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Aug 25, 2020424B5EXECUTEDShelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Jul 15, 20198-KEXECUTEDUnregistered share sale disclosed (8-K item 3.02)
Nov 2, 2018424B5EXECUTEDShelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)
Oct 25, 2018EFFECTEFFECTIVESEC declared a registration effective — selling can begin
Oct 17, 2018S-3/AREGISTEREDS-3/A registration — capacity to sell shares, not a sale yet
Oct 2, 2018S-3REGISTEREDS-3 registration — capacity to sell shares, not a sale yet
OMEX offering-related filings from SEC EDGAR, newest first (capped at 40). Each links to the original document.

Two honest limits. (1) A 424B takedown can price shares or notes— EDGAR’s metadata doesn’t say which, so open the document: large investment-grade filers use these mostly for bond deals (no dilution), small-caps mostly for shares. (2) At-the-market (ATM) programs sell shares gradually and individual sales are not separately filed — the visible footprint is the enabling shelf and its 424B5; actual ATM share counts surface later in the 10-Q/10-K share count. Educational information from public filings, not investment advice.

Is a shelf active now? →Do they need money? →Red flags →Full OMEX workspace →
OMEX offering FAQ

When did OMEX last execute an offering?

Per SEC filings, ODYSSEY MARINE EXPLORATION INC's most recent priced offering document is a 8-K filed 2026-04-14. Note a 424B takedown can price shares or notes (debt) — the linked document says which.

When did OMEX last announce or register an offering?

The most recent registration is a S-3 filed 2025-04-01. A registration is capacity to sell shares — not a sale.

Does an offering always mean dilution?

Registered direct offerings and shelf takedowns issue new shares and dilute existing holders. Resale registrations (424B3/B7) let existing holders sell and do not create new shares. Secondary sales by insiders also do not dilute. Each row here is labeled with what it is.