19 insiders reported 88 Form 4 transactions for TMC the metals Co Inc. (TMC) over the past 18 months (most recent 2026-07-07). Recent activity: Allseas Group S.A. (10% Owner) Buy 7.3M shares, Allseas Investments S.A. (10% Owner) Buy 7.3M shares, Heerema Edward (10% Owner) Buy 7.3M shares, Stichting Administratiekantoor Aequa Lance Foundation (10% Owner) Buy 7.3M shares, Argentum Cedit Virtuti NV (10% Owner) Buy 7.3M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-07 | Allseas Group S.A. | 10% Owner | Buy | 7.3M | $0 |
| 2026-07-07 | Allseas Investments S.A. | 10% Owner | Buy | 7.3M | $0 |
| 2026-07-07 | Heerema Edward | 10% Owner | Buy | 7.3M | $0 |
| 2026-07-07 | Stichting Administratiekantoor Aequa Lance Foundation | 10% Owner | Buy | 7.3M | $0 |
| 2026-07-07 | Argentum Cedit Virtuti NV | 10% Owner | Buy | 7.3M | $0 |
| 2026-06-02 | Karkar Andrei | Director | Buy | 17,857 | $0 |
| 2026-06-02 | Hall Andrew | Director | Buy | 18,263 | $0 |
| 2026-06-02 | Madsbjerg Christian | Director | Buy | 19,075 | $0 |
| 2026-06-02 | Khama Sheila | Director | Buy | 17,316 | $0 |
| 2026-06-02 | ERAS Capital LLC | 10% Owner | Buy | 17,857 | $0 |
| 2026-06-02 | May Brendan | Director | Buy | 16,528 | $0 |
| 2026-06-02 | Greig Andrew Carlyle | Director | Buy | 20,292 | $0 |
| 2026-06-02 | Hall Andrew | Director | Buy | 16,528 | $0 |
| 2026-06-02 | Karkar Andrei | Director | Buy | 16,528 | $0 |
| 2026-06-02 | Madsbjerg Christian | Director | Buy | 16,528 | $0 |
| 2026-06-02 | Khama Sheila | Director | Buy | 16,528 | $0 |
| 2026-06-02 | ERAS Capital LLC | 10% Owner | Buy | 16,528 | $0 |
| 2026-06-02 | May Brendan | Director | Sell | 20,768 | $133,331 |
| 2026-06-02 | Greig Andrew Carlyle | Director | Buy | 16,528 | $0 |
| 2026-04-15 | Barron Gerard | Chairman & CEO | Buy | 816,327 | $0 |
| 2026-04-15 | ILVES Erika | Chief Strategy Officer | Buy | 453,515 | $0 |
| 2026-04-15 | Shesky Craig | Chief Financial Officer | Buy | 453,515 | $0 |
| 2026-03-26 | Shesky Craig | Chief Financial Officer | Sell | 215,492 | $976,179 |
| 2026-03-26 | Shesky Craig | Chief Financial Officer | Sell | 51,941 | $246,200 |
| 2026-03-26 | Shesky Craig | Chief Financial Officer | Sell | 78,186 | $358,092 |
Source: SEC Form 4 filings · as of 2026-07-07