TMC Insider Trading Activity and SEC Form 4 Filings
TMC insider trading summary
Over the past 12 months, insiders at TMC the metals Co Inc. (TMC) reported 5 open-market purchases worth $0 by 5 insiders and 3 sales worth $797K by 2 insiders on SEC Form 4. Net insider selling was $797K.
Latest TMC insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Jul 1, 2026 | Stichting Administratiekantoor Aequa Lance Foundation | 10% Owner | Buy | $0 (7,305,567 @ $0.00) |
| Jul 1, 2026 | Allseas Group S.A. | 10% Owner | Buy | $0 (7,305,567 @ $0.00) |
| Jul 1, 2026 | Allseas Investments S.A. | 10% Owner | Buy | $0 (7,305,567 @ $0.00) |
| Jul 1, 2026 | Edward Heerema | 10% Owner | Buy | $0 (7,305,567 @ $0.00) |
| Jul 1, 2026 | Cedit Virtuti NV Argentum | 10% Owner | Buy | $0 (7,305,567 @ $0.00) |
| Jun 2, 2026 | Brendan May | Director | Sell | $133K (20,768 @ $6.42) |
| Dec 2, 2025 | Anthony O'Sullivan | Chief Development Officer | Sell | $339K (50,000 @ $6.77) |
| Nov 28, 2025 | Anthony O'Sullivan | Chief Development Officer | Sell | $326K (50,000 @ $6.51) |
| Sep 22, 2025 | Erika ILVES | Chief Strategy Officer | Sell | $9.2M (1,591,485 @ $5.77) |
| Aug 26, 2025 | Anthony O'Sullivan | Chief Development Officer | Sell | $1.3M (250,000 @ $5.25) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.