MetaCap

TMC the metals company Insider Trades

NASDAQ: TMCBasic MaterialsMetal MiningUSD

3.36-0.075 (-2.19%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
1 · $0
Sales
6 · $2.38M
Shares bought / sold
7.31M / 466.39K
Net activity
Net selling $2.4 million

TMC the metals company insider activity

Over the last 12 months, TMC the metals company insiders reported 35 transactions on SEC Form 4: 1 open-market purchase and 6 sales. Insiders bought $0 and sold $2.4 million worth of stock, for net insider selling of $2.4 million. The largest seller was Shesky Craig, with $1.6 million in reported sales.

The most recent filing shows Mallon Liam M (Director) reporting a transaction in 77,720 shares on Sep 28, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put TMC's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

TMC insider transactions

TMC the metals company insider transactions
DateInsiderTypeSharesValueFiling
Sep 28, 2026Mallon Liam MDirectorAward77,720—Form 4
Sep 25, 2026Mallon Liam MDirectorAward25,445—Form 4
Sep 11, 2026Hall AndrewDirectorAward72,935—Form 4
Jul 1, 2026Allseas Group S.A. & Allseas Investments S.A. & Heerema Edward & Argentum Cedit Virtuti NV & Stichting Administratiekantoor Aequa Lance Foundation10% OwnerBuy7,305,567—Form 4
Jun 2, 2026May BrendanDirectorSale20,768$133.33KForm 4
May 29, 2026Greig Andrew CarlyleDirectorAward16,528—Form 4
May 29, 2026Greig Andrew CarlyleDirectorAward20,292—Form 4
May 29, 2026Hall AndrewDirectorAward16,528—Form 4
May 29, 2026Hall AndrewDirectorAward18,263—Form 4
May 29, 2026Karkar Andrei & ERAS Capital LLCDirectorAward16,528—Form 4
May 29, 2026Karkar Andrei & ERAS Capital LLCDirectorAward17,857—Form 4
May 29, 2026Khama SheilaDirectorAward16,528—Form 4
May 29, 2026Khama SheilaDirectorAward17,316—Form 4
May 29, 2026May BrendanDirectorAward16,528—Form 4
May 29, 2026Madsbjerg ChristianDirectorAward16,528—Form 4
May 29, 2026Madsbjerg ChristianDirectorAward19,075—Form 4
Apr 13, 2026Shesky CraigChief Financial OfficerAward453,515—Form 4
Apr 13, 2026Barron GerardChairman & CEOAward816,327—Form 4
Apr 13, 2026ILVES ErikaChief Strategy OfficerAward453,515—Form 4
Mar 26, 2026Shesky CraigChief Financial OfficerSale215,492$976.83KForm 4
Mar 25, 2026Shesky CraigChief Financial OfficerSale78,186$358.25KForm 4
Mar 24, 2026Shesky CraigChief Financial OfficerSale51,941$246.10KForm 4
Mar 20, 2026Shesky CraigChief Financial OfficerOption exercise208,375—Form 4
Mar 20, 2026Shesky CraigChief Financial OfficerOption exercise166,502—Form 4
Mar 20, 2026Shesky CraigChief Financial OfficerOption exercise187,662—Form 4
Feb 10, 2026Shesky CraigChief Financial OfficerOption exercise63,204$41.08KForm 4
Feb 6, 2026Madsbjerg ChristianDirectorOption exercise31,602$20.54KForm 4
Feb 6, 2026Madsbjerg ChristianDirectorOption exercise11,578$6.02KForm 4
Feb 6, 2026Karkar Andrei & ERAS Capital LLCDirectorOption exercise31,602$20.54KForm 4
Feb 3, 2026Karkar Andrei & ERAS Capital LLCDirectorOption exercise63,682$33.11KForm 4
Jan 8, 2026Greig Andrew CarlyleDirectorOption exercise31,602$20.54KForm 4
Jan 8, 2026Greig Andrew CarlyleDirectorOption exercise578,931$1.51MForm 4
Jan 8, 2026Greig Andrew CarlyleDirectorOption exercise11,578$6.02KForm 4
Dec 2, 2025O'Sullivan AnthonyChief Development OfficerSale50,000$338.50KForm 4
Nov 28, 2025O'Sullivan AnthonyChief Development OfficerSale50,000$325.50KForm 4
Sep 24, 2025ILVES ErikaChief Strategy OfficerOption exercise252,815$164.33KForm 4
Sep 24, 2025ILVES ErikaChief Strategy OfficerOption exercise262,109$170.37KForm 4
Sep 24, 2025ILVES ErikaChief Strategy OfficerOption exercise1,099,968$714.98KForm 4
Sep 23, 2025ILVES ErikaChief Strategy OfficerAward2,000,000—Form 4
Sep 23, 2025O'Sullivan AnthonyChief Development OfficerAward1,000,000—Form 4
Sep 22, 2025ILVES ErikaChief Strategy OfficerSale1,591,485$9.18MForm 4
Sep 2, 2025Spiro AlexDirectorAward1,750,000—Form 4
Sep 2, 2025Hess Michael BernardDirectorAward7,500,000—Form 4
Sep 2, 2025Hess Michael BernardDirectorAward237,530—Form 4
Aug 26, 2025O'Sullivan AnthonyChief Development OfficerSale250,000$1.31MForm 4
Aug 26, 2025O'Sullivan AnthonyChief Development OfficerOption exercise250,000$162.50KForm 4
Jun 26, 2025May BrendanDirectorSale44,204$326.36KForm 4
Jun 25, 2025May BrendanDirectorSale25,000$195.07KForm 4
Jun 20, 2025O'Sullivan AnthonyChief Development OfficerSale185,110$1.31MForm 4
Jun 9, 2025O'Sullivan AnthonyChief Development OfficerSale50,000$210.00KForm 4
Jun 4, 2025Hall AndrewDirectorAward66,508—Form 4
May 30, 2025Greig Andrew CarlyleDirectorAward22,371—Form 4
May 30, 2025Greig Andrew CarlyleDirectorAward21,549—Form 4
May 30, 2025Karkar Andrei & ERAS Capital LLCDirectorAward22,371—Form 4
May 30, 2025Karkar Andrei & ERAS Capital LLCDirectorAward18,963—Form 4
May 30, 2025Khama SheilaDirectorAward22,371—Form 4
May 30, 2025Khama SheilaDirectorAward5,890—Form 4
May 30, 2025Hall AndrewDirectorAward22,371—Form 4
May 30, 2025Hall AndrewDirectorAward19,395—Form 4
May 30, 2025Madsbjerg ChristianDirectorAward22,371—Form 4
May 30, 2025Madsbjerg ChristianDirectorAward20,256—Form 4
May 30, 2025May BrendanDirectorAward22,371—Form 4
May 30, 2025Siamomua Amelia KinahoiDirectorAward5,459—Form 4
May 27, 2025O'Sullivan AnthonyChief Development OfficerSale100,000$478.00KForm 4
May 22, 2025Allseas Group S.A. & Allseas Investments S.A. & Heerema Edward & Argentum Cedit Virtuti NV & Stichting Administratiekantoor Aequa Lance Foundation10% OwnerBuy2,333,333—Form 4
May 21, 2025O'Sullivan AnthonyChief Development OfficerSale164,317$738.26KForm 4
Apr 1, 2025Shesky CraigChief Financial OfficerSale353,702$585.52KForm 4
Mar 20, 2025Shesky CraigChief Financial OfficerAward245,536—Form 4
Mar 20, 2025Shesky CraigChief Financial OfficerOption exercise166,502—Form 4
Mar 20, 2025Shesky CraigChief Financial OfficerOption exercise187,662—Form 4
Mar 20, 2025Barron GerardChairman & CEOAward1,598,070—Form 4
Mar 20, 2025Barron GerardChairman & CEOAward341,806—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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