Allseas Group S.A. - 01 Jul 2026 Form 4 Insider Report for TMC the metals Co Inc. (TMC)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
07 Jul 2026, 09:46:22 UTC
Prior SEC filing
27 May 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Pieter Heerema, President and authorized signatory of Allseas Group S.A.

Key filing fact

Allseas Group S.A. filed Form 4 for TMC the metals Co Inc. (TMC) on 07 Jul 2026.

Key facts

  • This page summarizes Allseas Group S.A.'s Form 4 filing for TMC the metals Co Inc. (TMC).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 07 Jul 2026, 09:46.

Change

  • Previous filing in this sequence was filed on 27 May 2025.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (5)

CIK 0001884066 Primary reporting owner

Allseas Group S.A.

Relationship
10%+ Owner
Address
18 ROUTE DE PRA DE PLAN, CHATEL-SAINT-DENIS, SWITZERLAND
Signature
/s/ Pieter Heerema, President and authorized signatory of Allseas Group S.A.
Signature date
07 Jul 2026
CIK 0001956334

Allseas Investments S.A.

Relationship
10%+ Owner
Address
18 ROUTE DE PRA DE PLAN, CHATEL-SAINT-DENIS, SWITZERLAND
Signature
/s/ Edward Heerema
Signature date
07 Jul 2026
CIK 0001956371

Heerema Edward

Relationship
10%+ Owner
Address
C/O ALLSEAS GROUP S.A., 18 ROUTE DE PRA DE PLAN, CHATEL-SAINT-DENIS, SWITZERLAND
Signature
/s/ Edward Heerema, President and authorized signatory of Allseas Investments S.A.
Signature date
07 Jul 2026
CIK 0001956510

Argentum Cedit Virtuti NV

Relationship
10%+ Owner
Address
STATIONSSTRAAT 180, ESSEN, BELGIUM
Signature
/s/ Edward Heerema, director and authorized signatory of Argentum Cedit Virtuti NV
Signature date
07 Jul 2026
CIK 0001956509

Stichting Administratiekantoor Aequa Lance Foundation

Relationship
10%+ Owner
Address
C/O ALLSEAS GROUP S.A., 18 ROUTE DE PRA DE PLAN, CHATEL-SAINT-DENIS, SWITZERLAND
Signature
/s/ Edward Heerema, Chairman and authorized signatory of Stichting Administratiekantoor Aequa Lance Foundation
Signature date
07 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TMC transaction

Common Shares

Purchase

Transaction value
Shares
+7,305,567
Change %
+13%
Price
Shares after
62,419,168
Date
01 Jul 2026
Ownership
Direct
Footnotes
F1, F2
TMC transaction

Common Shares

Purchase

Transaction value
Shares
+7,305,567
Change %
+13%
Price
Shares after
62,419,168
Date
01 Jul 2026
Ownership
Direct
Footnotes
F1, F2
TMC transaction

Common Shares

Purchase

Transaction value
Shares
+7,305,567
Change %
+13%
Price
Shares after
62,419,168
Date
01 Jul 2026
Ownership
Direct
Footnotes
F1, F2
TMC transaction

Common Shares

Purchase

Transaction value
Shares
+7,305,567
Change %
+13%
Price
Shares after
62,419,168
Date
01 Jul 2026
Ownership
Direct
Footnotes
F1, F2
TMC transaction

Common Shares

Purchase

Transaction value
Shares
+7,305,567
Change %
+13%
Price
Shares after
62,419,168
Date
01 Jul 2026
Ownership
Direct
Footnotes
F1, F2
TMC holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000,000
Date
01 Jul 2026
Ownership
Direct
Footnotes
F3
TMC holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000,000
Date
01 Jul 2026
Ownership
Direct
Footnotes
F3
TMC holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000,000
Date
01 Jul 2026
Ownership
Direct
Footnotes
F3
TMC holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000,000
Date
01 Jul 2026
Ownership
Direct
Footnotes
F3
TMC holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000,000
Date
01 Jul 2026
Ownership
Direct
Footnotes
F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

These securities are owned by Allseas Group S.A. ("Allseas"). Mr. Edward Heerema has sole authority over Allseas. Mr. Heerema, Allseas Investments S.A., ("Allseas Investments"), the majority parent of Allseas, Argentum Cedit Virtuti NV ("ACV"), the parent of Allseas Investments, and Stichting Administratiekantoor Aequa Lance Foundation, the parent of ACV, may be deemed to have beneficial ownership of the shares owned by Allseas. Each of Mr. Heerema, Allseas Investments, ACV and Stichting Administratiekantoor Aequa Lance Foundation disclaims beneficial ownership over any securities directly held by Allseas, except to the extent of his or its respective pecuniary interest therein.

Footnote F2

On July 1, 2026, Allseas acquired 7,305,567 common shares, pursuant to a Contract for Development Work and Commercial Production, by and between a wholly owned subsidiary of Allseas and TMC, dated May 11, 2026 and effective as of March 30, 2026, under which TMC is required to issue Allseas common shares of TMC in accordance with the commercial arrangement under the agreement. The common shares of TMC were issued at a price of $4.66 per common share.

Footnote F3

These securities are owned by ACV. Mr. Heerema may be deemed to have voting and investment power over the shares owned by ACV. Mr. Heerema disclaims beneficial ownership over any securities directly held by ACV, except to the extent of his pecuniary interest therein.

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