TMC the metals Co Inc (TMC) insider trading
Every open-market stock purchase and sale by TMC the metals Co Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $2.4M over the last 12 months (3 sales).
- Last insider buy: Allseas Group S.A. (10% owner), n/a, 4 months ago.
Last 12 months: insiders bought $0 (1 buy) and sold $2.4M (3 sales). Last close $2.65 on Oct 21, 2026.
Recent TMC insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 28, 2026 | Liam M Mallon (Director) | Bought (not open market) | — |
| Sep 25, 2026 | Liam M Mallon (Director) | Bought (not open market) | — |
| Sep 11, 2026 | Andrew Hall (Director) | Bought (not open market) | — |
| Jul 1, 2026 | Allseas Group S.A. (10% owner) | Bought | — |
| Jun 2, 2026 | Brendan May (Director) | Sold | $133K |
| May 29, 2026 | Andrei Karkar (10% owner) | Bought (not open market) | — |
| May 29, 2026 | Andrei Karkar (10% owner) | Bought (not open market) | — |
| May 29, 2026 | Andrew Carlyle Greig (Director) | Bought (not open market) | — |
| May 29, 2026 | Andrew Hall (Director) | Bought (not open market) | — |
| May 29, 2026 | Andrew Hall (Director) | Bought (not open market) | — |
| May 29, 2026 | Sheila Khama (Director) | Bought (not open market) | — |
| May 29, 2026 | Sheila Khama (Director) | Bought (not open market) | — |
| May 29, 2026 | Christian Madsbjerg (Director) | Bought (not open market) | — |
| May 29, 2026 | Christian Madsbjerg (Director) | Bought (not open market) | — |
| May 29, 2026 | Brendan May (Director) | Bought (not open market) | — |
| May 29, 2026 | Andrew Carlyle Greig (Director) | Bought (not open market) | — |
| Apr 13, 2026 | Gerard Barron (CEO) | Bought (not open market) | — |
| Apr 13, 2026 | Erika ILVES (C-suite exec) | Bought (not open market) | — |
| Apr 13, 2026 | Craig Shesky (CFO) | Bought (not open market) | — |
| Mar 26, 2026 | Craig Shesky (CFO) | Sold | $977K |
| Mar 25, 2026 | Craig Shesky (CFO) | Sold | $358K |
| Mar 24, 2026 | Craig Shesky (CFO) | Sold | $246K |
| Mar 20, 2026 | Craig Shesky (CFO) | Bought (not open market) | — |
| Mar 20, 2026 | Craig Shesky (CFO) | Bought (not open market) | — |
| Mar 20, 2026 | Craig Shesky (CFO) | Bought (not open market) | — |
Who's trading TMC
- Liam M Mallon, Director: other filings, last Sep 28, 2026
- Andrew Hall, Director: other filings, last Sep 11, 2026
- Allseas Group S.A., 10% owner: bought $0 (1 buy), last Jul 1, 2026
- Brendan May, Director: sold $133K (1 sale), last Jun 2, 2026
- Sheila Khama, Director: other filings, last May 29, 2026
- Andrew Carlyle Greig, Director: other filings, last May 29, 2026
- Andrei Karkar, 10% owner: other filings, last May 29, 2026
- Christian Madsbjerg, Director: other filings, last May 29, 2026
- Gerard Barron, CEO: other filings, last Apr 13, 2026
- Craig Shesky, CFO: sold $1.6M (3 sales), last Apr 13, 2026
- Erika ILVES, C-suite exec: other filings, last Apr 13, 2026
- Anthony O'Sullivan, C-suite exec: sold $664K (2 sales), last Dec 2, 2025
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