TMC the metals Co Inc. (TMC) Insider Trading
Directors, officers and holders of more than 10% of TMC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 157 transactions on file: 1 with code P, 4 with code S and 45 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | Mallon Liam M | Director | A Award | 77,720 | Not measured | Not measured |
| Sep 25, 2026 | Mallon Liam M | Director | A Award | 25,445 | Not measured | Not measured |
| Sep 11, 2026 | Hall Andrew | Director | A Award | 72,935 | Not measured | Not measured |
| Jul 1, 2026 | Allseas Group S.A. | 10% Owner | P Purchase | 7,305,567 | Not measured | Not measured |
| Jun 2, 2026 | May Brendan | Director | S Sale | 20,768 | $6.42 | $133,331 |
| May 29, 2026 | Karkar Andrei | Director | A Award | 17,857 | Not measured | Not measured |
| May 29, 2026 | Greig Andrew Carlyle | Director | A Award | 16,528 | Not measured | Not measured |
| May 29, 2026 | Khama Sheila | Director | A Award | 17,316 | Not measured | Not measured |
| May 29, 2026 | Karkar Andrei | Director | A Award | 16,528 | Not measured | Not measured |
| May 29, 2026 | Madsbjerg Christian | Director | A Award | 16,528 | Not measured | Not measured |
| May 29, 2026 | Hall Andrew | Director | A Award | 16,528 | Not measured | Not measured |
| May 29, 2026 | May Brendan | Director | A Award | 16,528 | Not measured | Not measured |
| May 29, 2026 | Madsbjerg Christian | Director | A Award | 19,075 | Not measured | Not measured |
| May 29, 2026 | Greig Andrew Carlyle | Director | A Award | 20,292 | Not measured | Not measured |
| May 29, 2026 | Hall Andrew | Director | A Award | 18,263 | Not measured | Not measured |
| May 29, 2026 | Khama Sheila | Director | A Award | 16,528 | Not measured | Not measured |
| Apr 13, 2026 | ILVES Erika | Chief Strategy Officer | A Award | 453,515 | Not measured | Not measured |
| Apr 13, 2026 | Barron Gerard | Chairman & CEO | A Award | 816,327 | Not measured | Not measured |
| Apr 13, 2026 | Shesky Craig | Chief Financial Officer | A Award | 453,515 | Not measured | Not measured |
| Mar 26, 2026 | Shesky Craig | Chief Financial Officer | S Sale | 215,492 | $4.53 | $976,825 |
| Mar 25, 2026 | Shesky Craig | Chief Financial Officer | S Sale | 78,186 | $4.58 | $358,248 |
| Mar 24, 2026 | Shesky Craig | Chief Financial Officer | S Sale | 51,941 | $4.74 | $246,096 |
| Mar 20, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 187,662 | Not measured | Not measured |
| Mar 20, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 208,375 | Not measured | Not measured |
| Mar 20, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 166,502 | Not measured | Not measured |
| Mar 20, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 166,502 | Not measured | Not measured |
| Mar 20, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 187,662 | Not measured | Not measured |
| Mar 20, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 208,375 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 63,204 | $0.6500 | $41,083 |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 2,758 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 6,895 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 5,516 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 5,516 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 5,516 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 6,895 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 63,204 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 1,379 | Not measured | Not measured |
| Feb 10, 2026 | Shesky Craig | Chief Financial Officer | M Exercise | 2,758 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 3,768 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 3,768 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 4,710 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 1,884 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 1,884 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 31,602 | Not measured | Not measured |
| Feb 6, 2026 | Karkar Andrei | Director | M Exercise | 1,379 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 941 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 3,768 | Not measured | Not measured |
| Feb 6, 2026 | Madsbjerg Christian | Director | M Exercise | 4,710 | Not measured | Not measured |
| Feb 6, 2026 | Karkar Andrei | Director | M Exercise | 31,602 | Not measured | Not measured |
| Feb 6, 2026 | Karkar Andrei | Director | M Exercise | 689 | Not measured | Not measured |
The full Form 4 history is on the TMC company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.