Sierra Metals (SMT) Insider Trading & Ownership C$1.35 -0.12 (-8.16%) As of 01:13 PM Eastern Add Compare Share Share Insider Trades Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesBuy This Stock Sierra Metals (TSE:SMT) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage2.86%Number OfInsiders Buying(Last 12 Months)3Amount OfInsider Buying(Last 12 Months)C$54,665.69Number OfInsiders Selling(Last 12 Months)9Amount OfInsider Selling(Last 12 Months)C$5.33 M Get SMT Insider Trade Alerts Want to know when executives and insiders are buying or selling Sierra Metals stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address SMT Insider Buying and Selling by Quarter Sierra 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 TransactionDetails5/20/2025Ernesto BalarezoDirectorSell550,000C$1.14C$627,000.005/20/2025Patricia Munoz KosaSenior OfficerSell383,098C$1.15C$440,562.705/19/2025Claudio Zavaleta CubillasSenior OfficerSell682,814C$1.13C$774,311.085/16/2025Alberto San Roman CalleSenior OfficerSell470,338C$1.13C$531,481.945/16/2025Jose Noel Gomez MeneraSenior OfficerSell481,988C$1.12C$538,766.195/16/2025Luis Enrique RojasSenior OfficerSell80,365C$0.11C$8,983.205/13/2025Astolfo Romero SanchezSenior OfficerSell133,916C$1.15C$154,003.405/13/2025Rajesh VyasSenior OfficerSell267,800C$1.15C$306,631.004/29/2025J. Alberto AriasDirectorSell47,315C$1.10C$51,876.644/22/2025J. Alberto AriasDirectorSell141,945C$0.87C$124,103.93 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. 3/27/2025J. Alberto AriasDirectorSell80,436C$0.84C$67,643.463/18/2025J. Alberto AriasDirectorSell47,315C$0.84C$39,757.283/12/2025J. Alberto AriasDirectorSell141,472C$0.77C$108,602.962/26/2025J. Alberto AriasDirectorSell18,926C$0.84C$15,848.782/24/2025J. Alberto AriasDirectorSell28,389C$0.84C$23,743.992/11/2025J. Alberto AriasDirectorSell35,486C$0.92C$32,684.841/30/2025J. Alberto AriasDirectorSell189,260C$0.92C$174,967.081/27/2025J. Alberto AriasDirectorSell161,818C$0.90C$145,636.201/14/2025J. Alberto AriasDirectorSell47,315C$1.20C$56,943.6012/30/2024J. Alberto AriasDirectorSell120,180C$0.84C$101,239.6312/27/2024J. Alberto AriasDirectorSell7,570C$0.84C$6,322.4612/20/2024J. Alberto AriasDirectorSell85,167C$0.85C$72,063.5512/13/2024J. Alberto AriasDirectorSell88,952C$0.76C$67,753.6712/6/2024J. Alberto AriasDirectorSell94,630C$0.72C$68,517.6111/22/2024J. Alberto AriasDirectorSell83,748C$0.69C$57,697.3511/18/2024J. Alberto AriasDirectorSell75,704C$0.67C$50,364.3611/14/2024Ernesto BalarezoDirectorBuy20,600C$0.67C$13,715.6911/12/2024J. Alberto AriasDirectorSell18,926C$0.76C$14,340.0211/6/2024J. Alberto AriasDirectorSell5,205C$0.81C$4,224.2610/25/2024J. Alberto AriasDirectorSell47,315C$0.93C$43,998.6910/22/2024J. Alberto AriasDirectorSell94,630C$0.90C$85,483.8210/10/2024J. Alberto AriasDirectorSell47,315C$0.84C$39,914.6510/7/2024J. Alberto AriasDirectorSell85,167C$0.81C$68,754.989/27/2024J. Alberto AriasDirectorSell18,926C$0.56C$10,534.219/20/2024J. Alberto AriasDirectorSell133,902C$0.70C$93,475.389/4/2024Ernesto BalarezoDirectorBuy15,000C$0.68C$10,125.008/23/2024J. Alberto AriasDirectorSell75,704C$0.54C$40,759.038/14/2024Miguel AramburuDirectorBuy50,000C$0.48C$24,000.008/14/2024Patricia Munoz KosaSenior OfficerBuy10,500C$0.65C$6,825.008/6/2024J. Alberto AriasDirectorSell47,315C$0.51C$24,031.29Is President Trump Lying To You With This? (Ad)President Trump’s economic transition isn’t without hardship. But what if there were a smart, tax-free way to protect your 401(k), IRA, or pension from market chaos and currency collapse? The 2025 Wealth Protection Guide reveals a legal IRS strategy that may let you keep more of your retirement—regardless of what happens next. Trump’s warning was real. So is this opportunity.Protect your IRA—Trump’s warning was real7/31/2024J. Alberto AriasDirectorSell38,798C$0.54C$21,067.317/26/2024J. Alberto AriasDirectorSell83,275C$0.54C$45,293.277/3/2024J. Alberto AriasDirectorSell47,315C$0.62C$29,146.046/26/2024J. Alberto AriasDirectorSell141,945C$0.58C$82,867.496/13/2024J. Alberto AriasDirectorSell123,019C$0.63C$77,920.23 (Data available from 1/1/2013 forward) SMT Insider Trading Activity - Frequently Asked Questions Who is on Sierra Metals's Insider Roster? The list of insiders at Sierra Metals includes Alberto San Roman Calle, Astolfo Romero Sanchez, Claudio Zavaleta Cubillas, Ernesto Balarezo, J. Alberto Arias, Jose Noel Gomez Menera, Luis Enrique Rojas, Miguel Aramburu, Patricia Munoz Kosa, Rajesh Vyas, and Robert Mcdowell Neal. Learn more on insiders at SMT. What percentage of Sierra Metals stock is owned by insiders? 2.86% of Sierra Metals stock is owned by insiders. Learn more on SMT's insider holdings. Which Sierra Metals insiders have been buying company stock? The following insiders have purchased SMT shares in the last 24 months: Ernesto Balarezo (C$23,840.69), Miguel Aramburu (C$24,000.00), and Patricia Munoz Kosa (C$6,825.00). How much insider buying is happening at Sierra Metals? Insiders have purchased a total of 96,100 SMT shares in the last 24 months for a total of C$54,665.69 bought. Which Sierra Metals insiders have been selling company stock? The following insiders have sold SMT shares in the last 24 months: Alberto San Roman Calle (C$531,481.94), Astolfo Romero Sanchez (C$154,003.40), Claudio Zavaleta Cubillas (C$774,311.08), Ernesto Balarezo (C$627,000.00), J. Alberto Arias (C$2,599,633.13), Jose Noel Gomez Menera (C$538,766.19), Luis Enrique Rojas (C$8,983.20), Patricia Munoz Kosa (C$440,562.70), and Rajesh Vyas (C$306,631.00). How much insider selling is happening at Sierra Metals? Insiders have sold a total of 6,659,344 Sierra Metals shares in the last 24 months for a total of C$5,981,372.64 sold. Sierra Metals Key ExecutivesMr. Ernesto Balarezo Valdéz M.Sc. (Age 57)CEO & Director Compensation: $1.06MMr. Rajesh Vyas CPAVice President of Corporate Controller1 recent tradesMr. Jose Fernandez-Baca LlamosasChief Financial OfficerMr. Carlos Garcia RosalesVice President of TechnicalMr. Jean Pierre Fort Del RioManager of Business Development & Investor RelationsMs. Patricia Kosa MunozVice President of LegalMr. Alberto CalleVice President of Human Resources More Insider Trading Tools from MarketBeat Related Companies Major Drilling Group International Insider Buying Lithium Americas Insider Buying Nouveau Monde Graphite Insider Buying Teck Resources Insider Buying Fireweed Metals Insider Buying Erdene Resource Development Insider Buying Freegold Ventures Insider Buying Western Copper and Gold Insider Buying Global Atomic Insider Buying Regulus Resources Insider Buying 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 Dividend Investors Looking for an Edge? 3 Stocks Insiders BoughtMeta's Institutional & Insider Data Fuels Bulls Despite DisparityTurbulence for Joby Shares: What's Behind the Recent Dip?UnitedHealth Insiders Double Down: Is UNH Stock a Value Play?Sprouts Stock: Insider Sales, But Strong Bullish Signals This page (TSE:SMT) was last updated on 5/29/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. 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