Deep Sea Minerals

Applicant for polymetallic nodule licenses in the Pacific
CSE: SEASOTCQB: DSEAFFSE: X450

Deep Sea Minerals Corp. is a British Columbia company pursuing polymetallic nodule exploration rights in the Clarion-Clipperton Zone through the United States regulator and, separately, in the Cook Islands. It holds no mineral rights today. Its National Oceanic and Atmospheric Administration (NOAA) application is under review, and no Cook Islands application has been filed.

News and articles

DateHeadline
2026-08-24Deep Sea Minerals Corp. to Attend Dib Accelerator 2026 in Philadelphia
2026-08-11Deep Sea Minerals Corp. Welcomes Growing U.S. Focus on Deep-sea Mining at American Mining Roundtable
2026-08-04Deep Sea Minerals Corp. Files Form F-10 Registration Statement with U.S. Securities and Exchange Commission Becoming a U.S. Reporting Company
2026-07-30Deep Sea Minerals Corp. Files Final Base Shelf Prospectus and Receives Final Receipt
2026-07-27Deep Sea Minerals Clarifies Disclosure at the Request of the BCSC
2026-07-13Deep Sea Minerals Corp. Commissions Documentary-style Video on the Deep Sea Mining Industry
2026-07-07Deep Sea Minerals ($SEAS | $DSEAF): Responsibly Unlocking the Ocean’s Critical Mineral Potential
2026-06-26Deep Sea Minerals Corp. Responds to Reuters Headline and Clarifies Status of NOAA Exploration Application
2026-06-22Deep Sea Minerals Corp. Welcomes G7 Leaders Declaration on Securing Critical Minerals Supply Chains
2026-06-08Deep Sea Minerals Corp. Provides Strategic Execution Update
2026-06-07Deep Sea Minerals Corp. Signs MOU with Impossible Metals to Evaluate Autonomous Robotic Nodule Collection Technology
2026-06-01Deep Sea Minerals Corp. Achieves Substantial Compliance Determination From NOAA Under DSHMRA for Seabed Mineral Concessions
2026-05-29Deep Sea Minerals Corp. Announces Application To List on the NASDAQ Capital Market
2026-05-20Deep Sea Minerals Corp. Announces Proposed Share Split
2026-05-04Deep Sea Minerals Corp. Participates in EXIM Bank’s 2026 Annual Conference in Washington, DC
2026-04-28Deep Sea Minerals Corp. Highlights Key Takeaways From Deep Sea Mining Summit 2026 In London
2026-04-21Deep Sea Minerals Corp. Comments On American Ocean Minerals – Odyssey Marine Exploration Transaction
2026-04-15Deep Sea appoints Zelen director; Greene to step down
2026-04-13Deep Sea appoints McConnell as VP, exploration
2026-04-08Deep Sea Minerals Corp. Establishes Cook Islands Subsidiary to Advance Concession Application Process
2026-04-06Deep Sea Minerals Appoints Former Department Of Energy CFO, John G. Vonglis As Strategic Advisor
2026-04-01Deep Sea Minerals corp. Announces Marketing Engagement
2026-03-27A Supply Gap the Market Can’t Ignore
2026-03-23Deep Sea Minerals Corp. Submits Application to NOAA Under DSHMRA
2026-03-20Deep Sea Minerals Submits Response to U.S. Defense Industrial Base Consortium Solicitation for Critical Minerals
2026-03-18Deep Sea Minerals Corp. Clarifies Disclosure at the Request of the BCSC
2026-03-17Deep Sea Joins U.S. Defense Industrial Base
2026-03-11Deep Sea Minerals Joins The National Ocean Industries Association
2026-03-11Deep Sea Minerals Provides Corporate Update
2026-03-03Deep Sea Minerals Begins Work with NOAA
2026-02-24Deep Sea Minerals Corp. Joins U.S. Defense Industrial Base Consortium
2026-02-17Deep Sea Minerals Appoints Mark Handin As Strategic Advisor
2026-02-11Deep Sea Minerals Provides Update on Cook Islands and U.S. NOAA Pathways
2026-02-07 Deep Sea Minerals Corp. Announces Closing of Oversubscribed $4.22 Million Private Placement
2026-01-28Deep Sea Minerals Corp. Welcomes NOAA Deep-Sea Mapping Initiative Near American Samoa
2026-01-26Deep Sea Minerals Corp. Completes Name Change and Provides Industry Update
2026-01-23Copperhead Confirms Effective Date for Name and Stock Symbol Change
2026-01-21Copperhead Announces $4.0 Million Private Placement Financing to Accelerate Entry into the Deep Sea Critical Minerals Sector
2026-01-20Copperhead to change business to subsea exploration
2026-01-20Copperhead Announces Approval of Change of Business
2026-01-05Copperhead Resources Announces Changes in Officers
CSE: SEASC$1.10 ▲ 2650.0%C$0.000C$1.22C$2.45Aug 202524 Aug 2026
Daily closes over the past year, to 24 August 2026. Interactive chart.

Overview

  • Incorporated in British Columbia on 17 February 2022 as Copperhead Resources Inc. Renamed Deep Sea Minerals Corp. on 26 January 2026.
  • Head office in Vancouver. Subsidiaries: American Deep Sea Minerals Corp. in the United States and Deep Sea Minerals (Cook Islands) Limited.
  • Listed on the Canadian Securities Exchange, and quoted on the OTCQB and the Frankfurt exchange.
  • The company does not own subsea mining technology or specialised marine assets, and says it does not currently intend to.
  • It has published no mineral resource estimate. Nodule figures in its materials are third-party regional estimates.

Applications

AreaRegimeSizeStatus
Clarion-Clipperton ZoneUnited States, DSHMRA, administered by NOAA~147,430 km² as filedApplication submitted 23 March 2026 and amended 18 April 2026. NOAA determined substantial compliance on 26 May 2026, announced 1 June. A final amended application followed on 17 July 2026. The company expects a full compliance determination within 30 to 90 days.
Cook Islands exclusive economic zoneCook Islands Seabed Minerals AuthorityNot yet definedA subsidiary is incorporated but no application has been filed. The authority is not accepting applications until a new parliament designates blocks. The company expects to apply between Q3 2026 and Q1 2027.
United States exclusive economic zone, American SamoaUnited StatesNot definedUnder evaluation only.
  • Substantial compliance is a procedural finding that an application is complete enough to review. It is not a license, and the company said so in its 27 July 2026 clarification.
  • Deep Sea Minerals holds no International Seabed Authority contract.
  • Its own presentation describes a planned split of roughly 60% NOAA areas, 30% Cook Islands and 10% American Samoa.

Presentations

PDF
The application strategy, the jurisdictions and the capital structure, current to 28 July 2026.
Meeting materials (3 documents)

Ownership

  • No shareholder held >10% of the company as at 22 June 2026, per its management information circular.
  • All four directors held nil common shares at that date, and the incentives they hold are options and units rather than stock.
  • Geoff Balderson holds 200,000 options at C$0.495 to 11 February 2031, and Anthony Zelen holds 200,000 restricted share units to 15 April 2029.
  • Chief executive James Deckelman holds 400,000 restricted share units and 500,000 options under his consulting agreement, with up to 500,000 further performance units tied to securing a deep sea concession, harvesting technology partnerships and US government support.
  • Share, option and unit figures reflect the 2-for-1 split completed on 26 May 2026.

Directors and officers hold 0 common shares between them as at 24 August 2026, 0.00% of the 47,800,000 outstanding. Their incentives are options and units rather than stock.

Insider filings

No current director or officer has reported a purchase or sale in the past year. The filings on record for them are opening balances and incentive grants, and the positions those produce are in the ownership table.

Reported position by insider

InsiderPositionCommon shares held% of shares outAs reported on
Balderson, GeoffreyDirector00.00not filed
Deckelman, JamesChief executive officer00.00not filed
Nguyen, Thanh Tan StevenCFO, corporate secretary and director00.00not filed
Zelen, AnthonyDirector00.0015 Apr 2026
Perez, JeremyDirector00.00not filed

Every current director and officer on the SEDI register as at 24 August 2026, on their most recent filed balance. Non-derivative common shares only, so options, warrants and rights are excluded, and a director whose holding is entirely options shows nil. People who have ceased to be insiders are excluded, as are records left open by former insiders who never filed a notice of ceasing. Balances filed before the 2:1 share split of 26 May 2026 are restated to current shares.

Filing archive

Deep Sea Minerals reports in Canada on SEDAR+ and, since 31 July 2026, with the United States Securities and Exchange Commission under the multijurisdictional disclosure system. Every document is hosted here.

SEDAR+ filings (36 filings)
SEC filings, EDGAR CIK 0002115923 (4 filings)
FiledForm
2026-08-146-K
2026-07-31F-X
2026-07-31F-10
2026-03-05D

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