TMC the metals Co Inc. (TMC) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding February 19, 2026, TMC the metals's top three insider stakeholders include Director Andrei Karkar (61.38Mn shares), TenPercentOwner Group S.A. Allseas (55.11Mn shares), Chairman & Ceo Gerard Barron (40.99Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Andrei Karkar 61,379,106 10 Feb, 2026
Group S.A. Allseas 55,113,601 27 May, 2025
Gerard Barron Chairman & Ceo 40,987,118 24 Mar, 2025
Michael Bernard Hess 7,737,530 04 Sep, 2025
Scott Honour 6,669,000 10 Sep, 2021
Scott Edward Leonard 6,669,000 15 Sep, 2021
Opportunities Holdings Llc Sustainable 6,669,000 10 Sep, 2021
Andrew Carlyle Greig 5,070,030 09 Jan, 2026
Erika Ilves Chief Strategy Officer 4,791,366 24 Sep, 2025
Anthony O'Sullivan Chief Development Officer 2,600,777 02 Dec, 2025
Alex Spiro 1,750,000 04 Sep, 2025
Craig Shesky Chief Financial Officer 1,208,921 10 Feb, 2026
Gregory Stone Chief Ocean Scientist 385,365 22 Nov, 2023
Christian Madsbjerg 374,800 10 Feb, 2026
Andrew Hall 359,267 05 Jun, 2025
Sheila Khama 319,754 03 Jun, 2025
Amelia Kinahoi Siamomua 294,452 03 Jun, 2025
Christelle Gedeon Clo & Corporate Secretary 287,519 22 Feb, 2022
Brendan May 197,586 27 Jun, 2025
Kathleen S Mcallister 137,543 18 Aug, 2023
Justin Kelly 30,000 10 Sep, 2021
Isaac Barchas 30,000 10 Sep, 2021
Rick Gaenzle 30,000 10 Sep, 2021
Gina Stryker 8,032 15 Sep, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Feb, 2026 Craig Shesky Common Shares A 63,204 $0.65 1,208,921 D M
06 Feb, 2026 Andrei Karkar Common Shares A 31,602 $0.65 425,611 D M
06 Feb, 2026 Christian Madsbjerg Common Shares A 11,578 $0.52 343,198 D M
06 Feb, 2026 Christian Madsbjerg Common Shares A 31,602 $0.65 374,800 D M
03 Feb, 2026 Andrei Karkar Common Shares A 63,682 $0.52 394,009 D M
08 Jan, 2026 Andrew Carlyle Greig Common Shares A 578,931 $2.60 5,038,428 D M
08 Jan, 2026 Andrew Carlyle Greig Common Shares A 31,602 $0.65 5,070,030 D M
08 Jan, 2026 Andrew Carlyle Greig Common Shares A 11,578 $0.52 4,459,497 D M
02 Dec, 2025 Anthony O'Sullivan Common Shares D 50,000 $6.77 2,025,667 D S
02 Dec, 2025 Anthony O'Sullivan - - 2,025,667 D
28 Nov, 2025 Anthony O'Sullivan Common Shares D 50,000 $6.51 2,075,667 D S
28 Nov, 2025 Anthony O'Sullivan - - 2,075,667 D
24 Sep, 2025 Erika Ilves Common Shares A 262,109 $0.65 4,507,869 D M
24 Sep, 2025 Erika Ilves Common Shares A 252,815 $0.65 4,760,684 D M
24 Sep, 2025 Erika Ilves Common Shares A 1,099,968 $0.65 4,245,760 D M
24 Sep, 2025 Erika Ilves - - 4,760,684 D
24 Sep, 2025 Erika Ilves - - 4,245,760 D
24 Sep, 2025 Erika Ilves - - 4,507,869 D
23 Sep, 2025 Anthony O'Sullivan Common Shares A 1,000,000 $0.00 2,125,667 D A
23 Sep, 2025 Erika Ilves Common Shares A 2,000,000 $0.00 3,145,792 D A