Anthony O'Sullivan - 28 Nov 2025 Form 4 Insider Report for TMC the metals Co Inc. (TMC)

Reporting relationship: Chief Development Officer
Issuer ticker: TMC
Reported as of: 28 Nov 2025
Net transaction value: -$664,000
SEC form: 4
Accepted by SEC: 02 Dec 2025, 18:07:22 UTC
Prior SEC filing: 24 Sep 2025
Next SEC filing: 08 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Michelle Ancosky, Attorney-In-Fact

Key filing fact

Anthony O'Sullivan filed Form 4 for TMC the metals Co Inc. (TMC) on 02 Dec 2025.

Key facts

This page summarizes Anthony O'Sullivan's Form 4 filing for TMC the metals Co Inc. (TMC).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 Dec 2025, 18:07.

Change

Previous filing in this sequence was filed on 24 Sep 2025.
Current net transaction value: -$664,000.

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 (1)

CIK 0001874198 Primary reporting owner

O'Sullivan Anthony

Relationship: Chief Development Officer
Address: C/O TMC THE METALS COMPANY INC.,, 1111 WEST HASTINGS STREET, 15TH FLOOR, VANCOUVER, BRITISH COLUMBIA, CANADA
Signature: /s/ Michelle Ancosky, Attorney-In-Fact
Signature date: 02 Dec 2025

Reported non-derivative transactions

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

TMC transaction

Common Shares

Sale

Transaction value: $325,500
Shares: -50,000
Change %: -2.4%
Price: $6.51
Shares after: 2,075,667
Date: 28 Nov 2025
Ownership: Direct

TMC transaction

Common Shares

Sale

Transaction value: $338,500
Shares: -50,000
Change %: -2.4%
Price: $6.77
Shares after: 2,025,667
Date: 02 Dec 2025
Ownership: Direct

^* marks a reported price that did not pass the local price check.

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