Latest Insider Transactions at Tmc The Metals CO Inc. (TMC)
This section provides a real-time view of insider transactions for Tmc The Metals CO Inc. (TMC). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of TMC the metals Co Inc. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of TMC the metals Co Inc.'s insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 24
2025
|
Erika Ilves Chief Strategy Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,614,892
+10.37%
|
$0
$0.65 P/Share
|
|
Sep 23
2025
|
Anthony O'Sullivan Chief Development Officer |
BUY
Grant, award, or other acquisition
|
Direct |
1,000,000
+31.99%
|
-
|
|
Sep 23
2025
|
Erika Ilves Chief Strategy Officer |
BUY
Grant, award, or other acquisition
|
Direct |
2,000,000
+38.87%
|
-
|
|
Sep 22
2025
|
Erika Ilves Chief Strategy Officer |
SELL
Open market or private sale
|
Direct |
1,591,485
-58.14%
|
$7,957,425
$5.77 P/Share
|
|
Sep 02
2025
|
Alex Spiro Director |
BUY
Grant, award, or other acquisition
|
Direct |
1,750,000
+50.0%
|
-
|
|
Sep 02
2025
|
Michael Bernard Hess Director |
BUY
Grant, award, or other acquisition
|
Direct |
7,737,530
+49.61%
|
-
|
|
Aug 26
2025
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
250,000
-18.17%
|
$1,250,000
$5.25 P/Share
|
|
Aug 26
2025
|
Anthony O'Sullivan Chief Development Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
250,000
+15.38%
|
$0
$0.65 P/Share
|
|
Jun 26
2025
|
Brendan May Director |
SELL
Open market or private sale
|
Direct |
44,204
-18.28%
|
$309,428
$7.38 P/Share
|
|
Jun 25
2025
|
Brendan May Director |
SELL
Open market or private sale
|
Direct |
25,000
-9.37%
|
$175,000
$7.8 P/Share
|
|
Jun 20
2025
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Indirect |
185,110
-100.0%
|
$1,295,770
$7.09 P/Share
|
|
Jun 09
2025
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Indirect |
50,000
-21.27%
|
$200,000
$4.2 P/Share
|
|
Jun 04
2025
|
Andrew Hall Director |
BUY
Grant, award, or other acquisition
|
Direct |
66,508
+15.62%
|
-
|
|
May 30
2025
|
Amelia Kinahoi Siamomua Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,459
+1.82%
|
-
|
|
May 30
2025
|
Andrew Carlyle Greig Director |
BUY
Grant, award, or other acquisition
|
Direct |
43,920
+0.49%
|
-
|
|
May 30
2025
|
Andrew Hall Director |
BUY
Grant, award, or other acquisition
|
Direct |
41,766
+6.9%
|
-
|
|
May 30
2025
|
Andrei Karkar Director |
BUY
Grant, award, or other acquisition
|
Direct |
41,334
+6.07%
|
-
|
|
May 30
2025
|
Sheila Khama Director |
BUY
Grant, award, or other acquisition
|
Direct |
28,261
+4.24%
|
-
|
|
May 30
2025
|
Christian Madsbjerg Director |
BUY
Grant, award, or other acquisition
|
Direct |
42,627
+6.23%
|
-
|
|
May 30
2025
|
Brendan May Director |
BUY
Grant, award, or other acquisition
|
Direct |
22,371
+7.74%
|
-
|
|
May 27
2025
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Indirect |
100,000
-29.84%
|
$400,000
$4.78 P/Share
|
|
May 22
2025
|
Allseas Group S.A. > 10% Shareholder |
BUY
Open market or private purchase
|
Direct |
2,333,333
+4.06%
|
-
|
|
May 21
2025
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
164,317
-12.74%
|
$657,268
$4.49 P/Share
|
|
Apr 01
2025
|
Craig Shesky Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
353,702
-23.59%
|
$353,702
$1.66 P/Share
|
|
Mar 20
2025
|
Gerard Barron Chairman & CEO |
BUY
Grant, award, or other acquisition
|
Direct |
1,939,876
+2.31%
|
-
|
|
Mar 20
2025
|
Anthony O'Sullivan Chief Development Officer |
BUY
Grant, award, or other acquisition
|
Direct |
543,155
+18.74%
|
-
|
|
Mar 20
2025
|
Erika Ilves Chief Strategy Officer |
BUY
Grant, award, or other acquisition
|
Direct |
864,277
+14.38%
|
-
|
|
Mar 20
2025
|
Craig Shesky Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
245,536
+14.07%
|
-
|
|
Mar 20
2025
|
Craig Shesky Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
354,164
+13.22%
|
-
|
|
Mar 04
2025
|
Brendan May Director |
SELL
Open market or private sale
|
Direct |
8,916
-7.6%
|
$8,916
$1.67 P/Share
|
|
Dec 30
2024
|
Erika Ilves Chief Strategy Officer |
SELL
Open market or private sale
|
Direct |
217,099
-17.86%
|
$217,099
$1.11 P/Share
|
|
Dec 24
2024
|
Brendan May Director |
BUY
Open market or private purchase
|
Direct |
25,000
+19.99%
|
$0
$0.87 P/Share
|
|
Nov 27
2024
|
Craig Shesky Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
47,523
-4.63%
|
$0
$0.85 P/Share
|
|
Nov 19
2024
|
Andrew Hall Director |
SELL
Open market or private sale
|
Direct |
66,000
-26.51%
|
$0
$0.93 P/Share
|
|
May 31
2024
|
Andrei Karkar Director |
BUY
Grant, award, or other acquisition
|
Direct |
68,027
+19.05%
|
-
|
|
May 31
2024
|
Sheila Khama Director |
BUY
Grant, award, or other acquisition
|
Direct |
68,027
+18.92%
|
-
|
|
May 31
2024
|
Christian Madsbjerg Director |
BUY
Grant, award, or other acquisition
|
Direct |
68,027
+19.05%
|
-
|
|
May 31
2024
|
Amelia Kinahoi Siamomua Director |
BUY
Grant, award, or other acquisition
|
Direct |
68,027
+19.05%
|
-
|
|
May 31
2024
|
Brendan May Director |
BUY
Grant, award, or other acquisition
|
Direct |
136,054
+26.37%
|
-
|
|
May 31
2024
|
Andrew Carlyle Greig Director |
BUY
Grant, award, or other acquisition
|
Direct |
68,027
+1.52%
|
-
|
|
May 31
2024
|
Andrew Hall Director |
BUY
Grant, award, or other acquisition
|
Direct |
68,027
+17.67%
|
-
|
|
May 31
2024
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
50,000
-6.27%
|
$50,000
$1.48 P/Share
|
|
May 30
2024
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
25,000
-3.04%
|
$25,000
$1.49 P/Share
|
|
May 29
2024
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
25,000
-2.95%
|
$25,000
$1.54 P/Share
|
|
May 23
2024
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
25,000
-2.87%
|
$25,000
$1.48 P/Share
|
|
May 22
2024
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
25,000
-2.79%
|
$25,000
$1.4 P/Share
|
|
May 21
2024
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
50,000
-5.28%
|
$50,000
$1.39 P/Share
|
|
Apr 16
2024
|
Gerard Barron Chairman & CEO |
BUY
Grant, award, or other acquisition
|
Direct |
20,000,000
+33.87%
|
-
|
|
Mar 28
2024
|
Anthony O'Sullivan Chief Development Officer |
SELL
Open market or private sale
|
Direct |
50,000
-5.02%
|
$50,000
$1.33 P/Share
|
|
Mar 22
2024
|
Craig Shesky Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
233,424
-19.77%
|
$233,424
$1.61 P/Share
|