There have been 50 recent insider transactions recorded for TMC the metals company Inc. (TMC), including 27 buys and 21 sells. Total insider buying was valued at $10.52M and total insider selling at $14.09M.
Notable insiders with recent activity include Shesky Craig, Karkar Andrei, Madsbjerg Christian. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — TMC
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-26 |
Shesky Craig |
Chief Financial Officer |
Informative Sell |
215,492 |
$4.53 |
$976.83K |
1,425,841 |
| 2026-03-25 |
Shesky Craig |
Chief Financial Officer |
Informative Sell |
78,186 |
$4.58 |
$358.25K |
1,641,333 |
| 2026-03-24 |
Shesky Craig |
Chief Financial Officer |
Informative Sell |
51,941 |
$4.74 |
$246.1K |
1,719,519 |
| 2026-03-20 |
Shesky Craig |
Chief Financial Officer |
Option Exercise (Sell) |
187,662 |
- |
- |
- |
| 2026-02-10 |
Shesky Craig |
Chief Financial Officer |
Option Exercise |
1,379 |
- |
- |
8,116 |
| 2026-02-06 |
Karkar Andrei |
10 Percent Owner |
Option Exercise |
689 |
- |
- |
2,078 |
| 2026-02-06 |
Madsbjerg Christian |
Director |
Option Exercise (Sell) |
11,578 |
$0.52 |
$6.02K |
- |
| 2026-02-03 |
Karkar Andrei |
10 Percent Owner |
Option Exercise (Sell) |
63,682 |
$0.52 |
$33.11K |
- |
| 2026-01-08 |
Greig Andrew Carlyle |
Director |
Option Exercise (Sell) |
11,578 |
$0.52 |
$6.02K |
- |
| 2025-12-08 |
O'sullivan Anthony |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-12-02 |
O'sullivan Anthony |
Chief Development Officer |
Informative Sell |
50,000 |
$6.77 |
$338.5K |
2,025,667 |
| 2025-11-28 |
O'sullivan Anthony |
Chief Development Officer |
Informative Sell |
50,000 |
$6.51 |
$325.5K |
2,075,667 |
| 2025-09-24 |
Ilves Erika |
Chief Strategy Officer |
Option Exercise (Sell) |
262,109 |
$0.65 |
$170.37K |
- |
| 2025-09-23 |
O'sullivan Anthony |
Chief Development Officer |
RSU Award |
1,000,000 |
- |
- |
2,125,667 |
| 2025-09-23 |
Shesky Craig |
Chief Financial Officer |
RSU Award |
2,000,000 |
- |
- |
2,000,000 |
| 2025-09-23 |
Ilves Erika |
Chief Strategy Officer |
RSU Award |
2,000,000 |
- |
- |
3,145,792 |
| 2025-09-22 |
Ilves Erika |
Chief Strategy Officer |
Informative Sell |
1,591,485 |
$5.77 |
$9.18M |
1,145,792 |
| 2025-09-02 |
Spiro Alex |
Director |
RSU Award |
1,750,000 |
- |
- |
1,750,000 |
| 2025-09-02 |
Hess Michael Bernard |
Director |
RSU Award |
237,530 |
- |
- |
237,530 |
| 2025-08-26 |
O'sullivan Anthony |
Chief Development Officer |
Option Exercise |
10,909 |
- |
- |
10,909 |
| 2025-06-16 |
Spiro Alex |
Director |
Unknown |
- |
- |
- |
- |
| 2025-06-09 |
O'sullivan Anthony |
Chief Development Officer |
Informative Sell |
50,000 |
$4.20 |
$210K |
185,110 |
| 2025-06-04 |
Hall Andrew |
Director |
RSU Award |
66,508 |
- |
- |
359,267 |
| 2025-05-30 |
Greig Andrew Carlyle |
Director |
RSU Award |
21,549 |
- |
- |
4,425,548 |
| 2025-05-30 |
Hall Andrew |
Director |
RSU Award |
19,395 |
- |
- |
270,388 |
| 2025-05-30 |
Karkar Andrei |
10 Percent Owner |
RSU Award |
18,963 |
- |
- |
307,956 |
| 2025-05-30 |
Madsbjerg Christian |
Director |
RSU Award |
20,256 |
- |
- |
309,249 |
| 2025-05-30 |
Siamomua Amelia Kinahoi |
Director |
RSU Award |
5,459 |
- |
- |
294,452 |
| 2025-05-30 |
Khama Sheila |
Director |
RSU Award |
5,890 |
- |
- |
297,383 |
| 2025-05-30 |
May Brendan |
Director |
RSU Award |
22,371 |
- |
- |
266,790 |
| 2025-05-27 |
O'sullivan Anthony |
Chief Development Officer |
Informative Sell |
100,000 |
$4.78 |
$478K |
235,110 |
| 2025-05-22 |
Allseas Group S.a. |
10 Percent Owner |
Informative Buy |
2,333,333 |
$4.50 |
$10.5M |
2,333,333 |
| 2025-05-21 |
O'sullivan Anthony |
Chief Development Officer |
Informative Sell |
164,317 |
$4.49 |
$738.26K |
1,125,667 |
| 2025-04-01 |
Shesky Craig |
Chief Financial Officer |
Informative Sell |
353,702 |
$1.66 |
$585.52K |
1,145,717 |
| 2025-03-20 |
O'sullivan Anthony |
Chief Development Officer |
RSU Award |
141,369 |
- |
- |
888,198 |
| 2025-03-20 |
Shesky Craig |
Chief Financial Officer |
Option Exercise (Sell) |
187,662 |
- |
- |
187,662 |
| 2025-03-20 |
Barron Gerard |
Chairman & CEO |
RSU Award |
341,806 |
- |
- |
39,389,048 |
| 2025-03-20 |
Ilves Erika |
Chief Strategy Officer |
RSU Award |
239,152 |
- |
- |
2,112,152 |
| 2025-03-04 |
May Brendan |
Director |
Informative Sell |
8,916 |
$1.67 |
$14.89K |
108,365 |
| 2024-12-30 |
Ilves Erika |
Chief Strategy Officer |
Informative Sell |
217,099 |
$1.11 |
$240.98K |
998,170 |
| 2024-12-24 |
May Brendan |
Director |
Informative Buy |
25,000 |
$0.87 |
$21.87K |
100,040 |
| 2024-11-27 |
Shesky Craig |
Chief Financial Officer |
Informative Sell |
47,523 |
$0.85 |
$40.19K |
977,844 |
| 2024-11-19 |
Hall Andrew |
Director |
Informative Sell |
66,000 |
$0.93 |
$61.54K |
182,966 |
| 2024-05-31 |
O'sullivan Anthony |
Chief Development Officer |
Informative Sell |
50,000 |
$1.48 |
$74.11K |
746,829 |
| 2024-05-31 |
Greig Andrew Carlyle |
Director |
RSU Award |
68,027 |
- |
- |
4,403,999 |
| 2024-05-31 |
Hall Andrew |
Director |
RSU Award |
68,027 |
- |
- |
316,993 |
| 2024-05-31 |
Karkar Andrei |
10 Percent Owner |
RSU Award |
68,027 |
- |
- |
288,993 |
| 2024-05-31 |
Madsbjerg Christian |
Director |
RSU Award |
68,027 |
- |
- |
288,993 |
| 2024-05-31 |
Siamomua Amelia Kinahoi |
Director |
RSU Award |
68,027 |
- |
- |
288,993 |
| 2024-05-31 |
Khama Sheila |
Director |
RSU Award |
68,027 |
- |
- |
291,493 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
