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TMC the metals Co Inc.

TMC
Exchange
Nasdaq
Industry
Metal Mining
SEC CIK
0001798562

In the last 90 days, TMC the metals Co Inc. insiders filed 1 open-market purchase and 0 sales; 212 institutions reported holding it in 13F filings for Q2 2026, worth $264.8M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by TMC the metals Co Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
1 filing
1 insider, – in total
Open-market sells
0 filings
Insiders trading
1
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for TMC the metals Co Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for TMC the metals Co Inc.
NameTitleLast reported holdingLast filingFilings, past year
Hall AndrewDirector466,993Sep 16, 20262
Allseas Group S.A.10% Owner62,419,168Jul 7, 20261
Allseas Investments S.A.10% Owner62,419,168Jul 7, 20261
Heerema Edward10% Owner62,419,168Jul 7, 20261
Stichting Administratiekantoor Aequa Lance Foundation10% Owner62,419,168Jul 7, 20261
Argentum Cedit Virtuti NV10% Owner62,419,168Jul 7, 20261
Karkar AndreiDirector, 10% Owner459,996Jun 2, 20263
ERAS Capital LLC10% Owner459,996Jun 2, 20263
Greig Andrew CarlyleDirector5,106,850Jun 2, 20262
Madsbjerg ChristianDirector410,403Jun 2, 20262
Khama SheilaDirector353,598Jun 2, 20261
May BrendanDirector193,346Jun 2, 20261
Shesky CraigChief Financial Officer1,879,356Apr 15, 20264
Barron GerardChairman & CEO41,803,445Apr 15, 20261
ILVES ErikaChief Strategy Officer5,214,199Apr 15, 20261
O'Sullivan AnthonyChief Development Officer2,025,667Dec 8, 20252
Spiro AlexDirector1,750,000Sep 4, 20250
Hess Michael BernardDirector7,737,530Sep 4, 20250
Siamomua Amelia KinahoiDirector294,452Jun 3, 20250
McAllister Kathleen SOther: Former Director282,450Jun 4, 20240
Jurvetson Stephen TDirector–Apr 11, 20240
Stone GregoryChief Ocean Scientist333,290Mar 22, 20240
Stryker GinaDirector227,643Jul 18, 20220
Gedeon ChristelleCLO & Corporate Secretary287,519Feb 22, 20220
Leonard Scott EdwardDirector8,032Sep 15, 20210
Honour ScottOther: Former Director6,669,000IndirectSep 10, 20210
Sustainable Opportunities Holdings LLCOther: Former 10% holder6,669,000Sep 10, 20210
Kelly JustinOther: Former Director30,000Sep 10, 20210
Gaenzle RickOther: Former Director30,000Sep 10, 20210
Barchas IsaacOther: Former Director30,000Sep 10, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 7, 2026 (view filing)9:46 AM ETJul 16 daysLateAllseas Group S.A. and 4 others10% OwnerPPurchase+7.31M––+13.3%62.4M after
Jun 2, 2026 (view filing)Jun 2Same dayMay BrendanDirectorSSale−20.8K$6.42−$133.3K−9.7%193.3K after
Mar 26, 2026 (view filing)Mar 24-262 daysShesky CraigChief Financial OfficerSSale−345.6K$4.57−$1.58M−19.5%1.43M after3 lots
Dec 2, 2025 (view filing)Nov 28-Dec 24 daysO'Sullivan AnthonyChief Development OfficerSSale−100.0K$6.64−$664.0K−4.7%2.03M after2 lots
Sep 24, 2025 (view filing)Sep 222 daysILVES ErikaChief Strategy OfficerSSale−1.59M$5.77−$9.18M−58.1%1.15M after
Aug 28, 2025 (view filing)Aug 262 daysO'Sullivan AnthonyChief Development OfficerSSale−250.0K$5.25−$1.31M−18.2%1.13M after
Aug 28, 2025 (view filing)May 27-Jun 2093 daysLateO'Sullivan AnthonyChief Development OfficerSSale−335.1K$5.97−$2.00M−100.0%0 after3 lots
Jun 27, 2025 (view filing)Jun 25-262 daysMay BrendanDirectorSSale−69.2K$7.53−$521.2K−25.9%197.6K after2 lots
May 27, 2025 (view filing)6:20 PM ETMay 225 daysAllseas Group S.A. and 4 others10% OwnerPPurchase+2.33M––+4.4%55.1M after
May 27, 2025 (view filing)6:20 PM ETMay 225 daysAllseas Group S.A. and 4 others10% OwnerPPurchase+2.33M–––2.33M afterDerivative
May 21, 2025 (view filing)May 21Same dayO'Sullivan AnthonyChief Development OfficerSSale−164.3K$4.49−$737.8K−12.7%1.13M after
Apr 2, 2025 (view filing)Apr 11 dayShesky CraigChief Financial OfficerSSale−353.7K$1.66−$587.1K−23.6%1.15M after
Mar 6, 2025 (view filing)Mar 42 daysMay BrendanDirectorSSale−8.92K$1.67−$14.9K−7.6%108.4K after
Jan 3, 2025 (view filing)Dec 30, 20244 daysLateILVES ErikaChief Strategy OfficerSSale−217.1K$1.11−$241.0K−17.9%998.2K after
Dec 27, 2024 (view filing)Dec 243 daysMay BrendanDirectorPPurchase+25.0K$0.87+$21.8K+33.3%100.0K after
Nov 27, 2024 (view filing)Nov 27Same dayShesky CraigChief Financial OfficerSSale−47.5K$0.85−$40.4K−4.6%977.8K after
Nov 21, 2024 (view filing)Nov 192 daysHall AndrewDirectorSSale−66.0K$0.93−$61.4K−26.5%183.0K after
May 31, 2024 (view filing)May 29-312 daysO'Sullivan AnthonyChief Development OfficerSSale−100.0K$1.50−$149.8K−11.8%746.8K after3 lots
May 23, 2024 (view filing)May 21-232 daysO'Sullivan AnthonyChief Development OfficerSSale−100.0K$1.42−$141.5K−10.6%846.8K after3 lots
Apr 1, 2024 (view filing)Mar 284 daysO'Sullivan AnthonyChief Development OfficerSSale−50.0K$1.33−$66.5K−5.0%946.8K after
Mar 22, 2024 (view filing)Sep 28-Dec 22, 2023176 daysLateStone GregoryChief Ocean ScientistSSale−64.5K$1.10−$71.0K−16.7%320.9K after3 lots
Mar 22, 2024 (view filing)Mar 22Same dayShesky CraigChief Financial OfficerSSale−233.4K$1.61−$375.8K−19.8%947.2K after
Nov 29, 2023 (view filing)Nov 272 daysO'Sullivan AnthonyChief Development OfficerSSale−50.0K$1.38−$69.0K−11.5%385.1K after
Nov 27, 2023 (view filing)Nov 27Same dayShesky CraigChief Financial OfficerSSale−31.1K$1.26−$39.1K−3.8%779.6K after
Nov 22, 2023 (view filing)Nov 202 daysStone GregoryChief Ocean ScientistSSale−25.0K$1.06−$26.5K−6.1%385.4K after
Sep 28, 2023 (view filing)Sep 271 dayStone GregoryChief Ocean ScientistSSale−10.5K$1.00−$10.5K−2.5%410.4K after
Sep 28, 2023 (view filing)Sep 262 daysO'Sullivan AnthonyChief Development OfficerSSale−140.0K$1.02−$142.8K−24.3%435.1K after
Aug 15, 2023 (view filing)4:16 PM ETAug 1-1414 daysLateAllseas Group S.A. and 4 others10% OwnerPPurchase+7.65M––+17.0%52.8M after2 lots
Aug 15, 2023 (view filing)4:16 PM ETAug 141 dayAllseas Group S.A. and 4 others10% OwnerPPurchase+1.75M–––3.50M afterDerivative
Jun 9, 2023 (view filing)8:00 AM ETJun 81 dayKarkar Andrei and 1 otherDirector, 10% OwnerPPurchase+4.00M$0.75+$3.00M+7.7%56.0M after
Apr 5, 2023 (view filing)Mar 29-307 daysLateStone GregoryChief Ocean ScientistSSale−100.0K$0.7408−$74.1K−19.2%420.9K after2 lots
Apr 5, 2023 (view filing)Mar 28-308 daysLateO'Sullivan AnthonyChief Development OfficerSSale−243.2K$0.735−$178.8K−32.2%512.8K after3 lots
Apr 5, 2023 (view filing)Mar 288 daysLateShesky CraigChief Financial OfficerSSale−125.6K$0.71−$89.2K−14.1%768.2K after
Jan 3, 2023 (view filing)Dec 30, 20224 daysBarron GerardChief Executive OfficerPPurchase+42.0K$0.71+$29.8K+0.3%15.5M after
Dec 1, 2022 (view filing)Nov 292 daysShesky CraigChief Financial OfficerSSale−36.7K$0.80−$29.4K−5.4%641.6K after
Oct 3, 2022 (view filing)Sep 303 daysO'Sullivan AnthonyChief Development OfficerSSale−50.7K$1.04−$52.7K−14.0%312.5K after
Sep 21, 2022 (view filing)Sep 192 daysO'Sullivan AnthonyChief Development OfficerSSale−50.7K$1.20−$60.8K−12.2%363.2K after
Aug 16, 2022 (view filing)8:43 PM ETAug 124 daysKarkar Andrei and 1 otherDirector, 10% OwnerPPurchase+6.25M$0.80+$5.00M+13.7%52.0M after
Aug 16, 2022 (view filing)Aug 124 daysBarron GerardChief Executive OfficerPPurchase+103.7K$0.96+$99.5K+0.7%15.4M after
Jun 29, 2022 (view filing)Jun 29Same dayBarron GerardChief Executive OfficerPPurchase+25.0K$1.01+$25.3K+0.2%15.3M after
Apr 1, 2022 (view filing)4:05 PM ETMar 30-312 daysKarkar Andrei and 1 otherDirector, 10% OwnerPPurchase+2.08M$2.40+$5.01M+4.8%45.7M after2 lots
Mar 31, 2022 (view filing)Mar 301 dayBarron GerardChief Executive OfficerPPurchase+23.0K$2.19+$50.4K+0.2%15.3M after
Mar 31, 2022 (view filing)Mar 301 dayHall AndrewDirectorPPurchase+28.0K$2.13+$59.6K+348.6%36.0K after
Mar 30, 2022 (view filing)Mar 30Same dayShesky CraigChief Financial OfficerPPurchase+15.0K$1.80+$27.0K+2.3%678.3K after
Jan 3, 2022 (view filing)8:07 PM ETDec 31, 20213 daysKarkar Andrei and 1 otherDirector, 10% OwnerPPurchase+1.00M$2.09+$2.09M+2.3%43.6M after
Dec 28, 2021 (view filing)5:30 PM ETDec 244 daysKarkar Andrei and 1 otherDirector, 10% OwnerPPurchase+749.0K$2.00+$1.50M+1.8%42.6M after
Dec 28, 2021 (view filing)5:30 PM ETDec 244 daysKarkar Andrei and 1 otherDirector, 10% OwnerPPurchase+1.41M–––1.41M afterDerivative
Dec 28, 2021 (view filing)Dec 244 daysBarron GerardChief Executive OfficerPPurchase+47.4K$2.00+$94.9K+0.3%15.1M after
Dec 28, 2021 (view filing)Dec 244 daysBarron GerardChief Executive OfficerPPurchase+89.4K–––89.4K afterDerivative
Nov 23, 2021 (view filing)Nov 221 dayBarron GerardChief Executive OfficerPPurchase+15.5K$3.22+$49.9K+0.1%14.3M after