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TMC the metals Co Inc.

TMC Net buying
CIK 0001798562 #1985 in the set updated 18 Sep 2026
Bought (120 mo)
$27.23M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$18.66M
$0.00 on a plan · $1.31M straight out of an exercise
Sold at will
$17.34M
43 of 44 sales
Net
+$8.58M
+$9.89M against sales at will

By person

24 insiders · 78 transactions
357×

Gerard Barron holds 357 times base salary in stock. $268.38M of shares against $750.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Gerard Barron last reported holding, valued at $6.42, the price Common Shares was last bought or sold at on the open market here, on 2 Jun 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Karkar Andrei
Director
$26.60M (7)
—
+$26.60M
61,413,491
13.92%
$394.27M
—
ILVES Erika
Chief Strategy Officer
—
$9.42M (2)
−$9.42M
5,244,881
1.19%
$33.67M
—
O'Sullivan Anthony
Chief Development Officer
—
$5.58M (21)
−$5.58M
2,025,667
0.4592%
$13.00M
—
Shesky Craig
Chief Financial Officer
$26.98K (1)
$2.74M (9)
−$2.71M
1,879,356
0.4260%
$12.07M
+1,923%
May Brendan
Director
$21.87K (1)
$669.65K (4)
−$647.78K
193,346
0.0438%
$1.24M
+109.5%
Barron Gerard
Chairman & CEO
$525.17K (8)
—
+$525.17K
41,803,445
9.48%
$268.38M
—
Stone Gregory
Chief Ocean Scientist
—
$182.02K (7)
−$182.02K
333,290
0.0756%
$2.14M
—
Hall Andrew
Director
$59.71K (1)
$61.54K (1)
−$1.83K
466,993
0.1059%
$3.00M
—
Allseas Group S.A. entity
10% owner
— (4)
—
$0.00
62,419,168
14.15%
$400.73M
+86.0%
Hess Michael Bernard
Director
—
—
—
7,737,530
1.75%
$49.67M
—
Leonard Scott Edward
Director
—
—
—
6,677,032
1.51%
$42.87M
—
Sustainable Opportunities Holdings LLC entity
Former 10% holder
—
—
—
6,669,000
1.51%
$42.81M
—
Honour Scott
Former Director
—
—
—
6,669,000
1.51%
$42.81M
—
Greig Andrew Carlyle
Director
—
—
—
5,106,850
1.16%
$32.79M
+24.7%
Spiro Alex
Director
—
—
—
1,750,000
0.3967%
$11.24M
—
Madsbjerg Christian
Director
—
—
—
410,403
0.0930%
$2.63M
—
Khama Sheila
Director
—
—
—
353,598
0.0802%
$2.27M
—
Siamomua Amelia Kinahoi
Director
—
—
—
294,452
0.0667%
$1.89M
—
Gedeon Christelle
CLO & Corporate Secretary
—
—
—
287,519
0.0652%
$1.85M
—
Stryker Gina
Director
—
—
—
227,643
0.0516%
$1.46M
+50.2%
McAllister Kathleen S
Former Director
—
—
—
137,543
0.0312%
$883.03K
—
Barchas Isaac
Former Director
—
—
—
30,000
0.0068%
$192.60K
—
Gaenzle Rick
Former Director
—
—
—
30,000
0.0068%
$192.60K
—
Kelly Justin
Former Director
—
—
—
30,000
0.0068%
$192.60K
—

Individual transactions

78
Insider
Date
Role
Action
Shares
Price
Amount
Allseas Group S.A.
1 Jul 2026
10% owner
Buy
7,305,567
—
no price
May Brendan
2 Jun 2026
Director
Sell
20,768
$6.42
$133.33K
Shesky Craig
26 Mar 2026
Chief Financial Officer
Sell
215,492
$4.53
$976.83K
Shesky Craig
25 Mar 2026
Chief Financial Officer
Sell
78,186
$4.58
$358.25K
Shesky Craig
24 Mar 2026
Chief Financial Officer
Sell
51,941
$4.74
$246.10K
Shesky Craig
10 Feb 2026
Chief Financial Officer
Exercised, kept
63,204
$0.65
$41.08K
Madsbjerg Christian
6 Feb 2026
Director
Exercised, kept
31,602
$0.65
$20.54K
Madsbjerg Christian
6 Feb 2026
Director
Exercised, kept
11,578
$0.52
$6.02K
Karkar Andrei
6 Feb 2026
Director
Exercised, kept
31,602
$0.65
$20.54K
Karkar Andrei
3 Feb 2026
Director
Exercised, kept
63,682
$0.52
$33.11K
Greig Andrew Carlyle
8 Jan 2026
Director
Exercised, kept
31,602
$0.65
$20.54K
Greig Andrew Carlyle
8 Jan 2026
Director
Exercised, kept
578,931
$2.60
$1.51M
Greig Andrew Carlyle
8 Jan 2026
Director
Exercised, kept
11,578
$0.52
$6.02K
O'Sullivan Anthony
2 Dec 2025
Chief Development Officer
Sell
50,000
$6.77
$338.50K
O'Sullivan Anthony
28 Nov 2025
Chief Development Officer
Sell
50,000
$6.51
$325.50K
ILVES Erika
24 Sep 2025
Chief Strategy Officer
Exercised, kept
252,815
$0.65
$164.33K
ILVES Erika
24 Sep 2025
Chief Strategy Officer
Exercised, kept
262,109
$0.65
$170.37K
ILVES Erika
24 Sep 2025
Chief Strategy Officer
Exercised, kept
1,099,968
$0.65
$714.98K
ILVES Erika
22 Sep 2025
Chief Strategy Officer
Sell
1,591,485
$5.77
$9.18M
O'Sullivan Anthony
26 Aug 2025
Chief Development Officer
Sold after exercise
250,000
$5.25
$1.31M
May Brendan
26 Jun 2025
Director
Sell
44,204
$7.38
$326.36K
May Brendan
25 Jun 2025
Director
Sell
25,000
$7.80
$195.08K
O'Sullivan Anthony
20 Jun 2025
Chief Development Officer
Sell indirect
185,110
$7.09
$1.31M
O'Sullivan Anthony
9 Jun 2025
Chief Development Officer
Sell indirect
50,000
$4.20
$210.00K
O'Sullivan Anthony
27 May 2025
Chief Development Officer
Sell indirect
100,000
$4.78
$478.00K
Allseas Group S.A.
22 May 2025
10% owner
Buy
2,333,333
—
no price
O'Sullivan Anthony
21 May 2025
Chief Development Officer
Sell
164,317
$4.49
$738.26K
Shesky Craig
1 Apr 2025
Chief Financial Officer
Sell
353,702
$1.66
$585.52K
May Brendan
4 Mar 2025
Director
Sell
8,916
$1.67
$14.89K
ILVES Erika
30 Dec 2024
Chief Strategy Officer
Sell
217,099
$1.11
$240.98K
May Brendan
24 Dec 2024
Director
Buy
25,000
$0.87
$21.87K
Shesky Craig
27 Nov 2024
Chief Financial Officer
Sell
47,523
$0.85
$40.19K
Hall Andrew
19 Nov 2024
Director
Sell
66,000
$0.93
$61.54K
O'Sullivan Anthony
31 May 2024
Chief Development Officer
Sell
50,000
$1.48
$74.11K
O'Sullivan Anthony
30 May 2024
Chief Development Officer
Sell
25,000
$1.49
$37.29K
O'Sullivan Anthony
29 May 2024
Chief Development Officer
Sell
25,000
$1.54
$38.40K
O'Sullivan Anthony
23 May 2024
Chief Development Officer
Sell
25,000
$1.48
$37.00K
O'Sullivan Anthony
22 May 2024
Chief Development Officer
Sell
25,000
$1.40
$35.11K
O'Sullivan Anthony
21 May 2024
Chief Development Officer
Sell
50,000
$1.39
$69.74K
O'Sullivan Anthony
28 Mar 2024
Chief Development Officer
Sell
50,000
$1.33
$66.74K
Shesky Craig
22 Mar 2024
Chief Financial Officer
Sell
233,424
$1.61
$375.51K
Stone Gregory
22 Dec 2023
Chief Ocean Scientist
Sell
25,000
$1.10
$27.39K
Stone Gregory
4 Dec 2023
Chief Ocean Scientist
Sell
25,000
$1.16
$29.06K
Shesky Craig
27 Nov 2023
Chief Financial Officer
Sell
31,057
$1.26
$39.04K
O'Sullivan Anthony
27 Nov 2023
Chief Development Officer
Sell indirect
50,000
$1.38
$69.00K
Stone Gregory
20 Nov 2023
Chief Ocean Scientist
Sell
25,000
$1.06
$26.43K
Stone Gregory
28 Sep 2023
Chief Ocean Scientist
Sell
14,489
$1.00
$14.53K
Stone Gregory
27 Sep 2023
Chief Ocean Scientist
Sell
10,511
$1.00
$10.52K
O'Sullivan Anthony
26 Sep 2023
Chief Development Officer
Sell indirect
140,000
$1.02
$142.13K
Allseas Group S.A.
14 Aug 2023
10% owner
Buy
3,500,000
—
no price
Allseas Group S.A.
1 Aug 2023
10% owner
Buy
4,150,000
—
no price
Allseas Group S.A.
24 Jul 2023
10% owner
Exercised, kept
11,578,620
$0.01
$115.79K
Karkar Andrei
8 Jun 2023
Director
Buy indirect
3,997,519
$0.75
$3.00M
O'Sullivan Anthony
30 Mar 2023
Chief Development Officer
Sell
60,660
$0.78
$47.53K
Stone Gregory
30 Mar 2023
Chief Ocean Scientist
Sell
52,031
$0.76
$39.50K
O'Sullivan Anthony
29 Mar 2023
Chief Development Officer
Sell
85,170
$0.72
$61.38K
Stone Gregory
29 Mar 2023
Chief Ocean Scientist
Sell
47,969
$0.72
$34.59K
Barron Gerard
28 Mar 2023
Chief Executive Officer
Buy
35,000
$0.71
$25.00K
Shesky Craig
28 Mar 2023
Chief Financial Officer
Sell
125,582
$0.71
$89.75K
O'Sullivan Anthony
28 Mar 2023
Chief Development Officer
Sell
97,393
$0.72
$70.01K
Barron Gerard
30 Dec 2022
Chief Executive Officer
Buy
42,000
$0.71
$29.82K
Shesky Craig
29 Nov 2022
Chief Financial Officer
Sell
36,735
$0.80
$29.46K
O'Sullivan Anthony
30 Sep 2022
Chief Development Officer
Sell
50,686
$1.04
$52.86K
O'Sullivan Anthony
19 Sep 2022
Chief Development Officer
Sell
50,686
$1.20
$60.89K
Barron Gerard
12 Aug 2022
Chief Executive Officer
Buy
103,680
$0.96
$100.00K
Karkar Andrei
12 Aug 2022
Director
Buy indirect
6,250,000
$0.80
$5.00M
Barron Gerard
29 Jun 2022
Chief Executive Officer
Buy
25,000
$1.01
$25.25K
Karkar Andrei
31 Mar 2022
Director
Buy indirect
1,625,000
$2.46
$4.00M
Shesky Craig
30 Mar 2022
Chief Financial Officer
Buy
15,000
$1.80
$26.98K
Hall Andrew
30 Mar 2022
Director
Buy
28,000
$2.13
$59.71K
Barron Gerard
30 Mar 2022
Chief Executive Officer
Buy
23,000
$2.19
$50.37K
Karkar Andrei
30 Mar 2022
Director
Buy indirect
460,000
$2.21
$1.02M
Karkar Andrei
31 Dec 2021
Director
Buy indirect
1,000,000
$2.09
$2.09M
Barron Gerard
24 Dec 2021
Chief Executive Officer
Buy
47,438
$2.00
$94.88K
Karkar Andrei
24 Dec 2021
Director
Buy indirect
748,957
$2.00
$1.50M
Barron Gerard
22 Nov 2021
Chief Executive Officer
Buy
15,500
$3.22
$49.91K
Barron Gerard
30 Sep 2021
Chief Executive Officer
Buy
34,000
$4.41
$149.94K
Karkar Andrei
30 Sep 2021
Director
Buy indirect
2,250,110
$4.44
$10.00M

What was left out

Form 4 filings counted 147
Amendments (4/A) skipped 3
Filings about a different issuer 0
Unreadable filings 0
Joint filings 19
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 1
Sales at will 43
Transactions with no price 4
Shares from compensation/vesting 149,910,054
Sales filed before the plan box existed 3
History held since 22 Jun 2020