TMC the metals (TMC) Insider Trading & Ownership $5.36 +0.10 (+1.90%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$5.85 +0.49 (+9.22%) As of 08/29/2025 08:00 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock TMC the metals (NASDAQ:TMC) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage27.60%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$21.75KNumber OfInsiders Selling(Last 12 Months)5Amount OfInsider Selling(Last 12 Months)$5.50M Get TMC Insider Trade Alerts Want to know when executives and insiders are buying or selling TMC the metals stock? 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TMC Insider Buying and Selling by Quarter TMC the metals Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails8/26/2025Anthony O'sullivanInsiderSell250,000$5.25$1,312,500.00 6/26/2025Brendan MayDirectorSell44,204$7.38$326,225.52 6/25/2025Brendan MayDirectorSell25,000$7.80$195,000.00 6/20/2025Anthony O'sullivanInsiderSell185,110$7.09$1,312,429.90 6/9/2025Anthony O'sullivanInsiderSell50,000$4.20$210,000.00 5/27/2025Anthony O'sullivanInsiderSell100,000$4.78$478,000.00 5/21/2025Anthony O'sullivanInsiderSell164,317$4.49$737,783.33 4/1/2025Craig SheskyCFOSell353,702$1.66$587,145.32 12/30/2024Erika IlvesInsiderSell217,099$1.11$240,979.89 12/24/2024Brendan MayDirectorBuy25,000$0.87$21,750.00 Get Insider Trades Delivered To Your InboxEnter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings. 11/27/2024Craig SheskyCFOSell47,523$0.85$40,394.55 11/19/2024Andrew HallDirectorSell66,000$0.93$61,380.00 (Data available from 1/1/2013 forward) TMC Insider Trading Activity - Frequently Asked Questions Who is on TMC the metals' Insider Roster? The list of insiders at TMC the metals includes Andrei Karkar, Andrew Hall, Anthony O'sullivan, Brendan May, Craig Shesky, Erika Ilves, Gerard Barron, and Gregory Stone. Learn more on insiders at TMC. What percentage of TMC the metals stock is owned by insiders? 27.60% of TMC the metals stock is owned by insiders. Learn more on TMC's insider holdings. Which TMC the metals insiders have been buying company stock? The following insider purchased TMC shares in the last 24 months: Brendan May ($21,750.00). How much insider buying is happening at TMC the metals? Insiders have purchased a total of 25,000 TMC shares in the last 24 months for a total of $21,750.00 bought. Which TMC the metals insiders have been selling company stock? The following insiders have sold TMC shares in the last 24 months: Andrew Hall ($61,380.00), Anthony O'sullivan ($4,336,213.23), Brendan May ($521,225.52), Craig Shesky ($1,042,484.33), Erika Ilves ($240,979.89), and Gregory Stone ($10,511.00). How much insider selling is happening at TMC the metals? Insiders have sold a total of 1,977,947 TMC the metals shares in the last 24 months for a total of $6,212,793.97 sold. TMC the metals Key ExecutivesMr. Gerard Barron (Age 57)CEO & Chairman of the Board Compensation: $1.22MMr. Craig Shesky (Age 39)Chief Financial Officer Compensation: $763.12k1 recent tradesMs. Erika Ilves (Age 46)Chief Strategy Officer Compensation: $867.67kMr. Arthur Chen C.A. (Age 47)Chief Accounting Officer Mr. Andy JonesChief Technology OfficerMr. Dan PorrasHead Of Communications & BrandMr. Anthony O'Sullivan B.Sc. (Age 57)M.Sc., Chief Development Officer Compensation: $661.38kDr. Gregory S. Stone Ph.D. (Age 67)Chief Ocean Scientist Ms. Erica OcampoChief Sustainability OfficerMr. Jon MachinHead Of Offshore Development More Insider Trading Tools from MarketBeat Related Companies Knife River Insider Trades New Gold Insider Trades Centrus Energy Insider Trades Atlas Energy Solutions Insider Trades Lithium Americas Insider Trades Dakota Gold Insider Trades enCore Energy Insider Trades International Tower Hill Mines Insider Trades US Gold Insider Trades Smart Sand Insider Trades Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles Costco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say Buy This page (NASDAQ:TMC) was last updated on 8/31/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredThis is my Christian duty“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredEveryone’s watching Nvidia right now. 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