Sierra Metals (SMT) Insider Trading & Ownership C$1.14 0.00 (0.00%) As of 08/7/2025 Add Compare Share Share Insider Trades Stock AnalysisInsider TradesBuy This Stock Sierra Metals (TSE:SMT) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage2.86%Number OfInsiders Buying(Last 3 Years)3Amount OfInsider Buying(Last 3 Years)C$54.67KNumber OfInsiders Selling(Last 3 Years)9Amount OfInsider Selling(Last 3 Years)C$5.98M 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. Subscribe Now View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. 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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 Transaction DateInsiderBuy/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$24,031.29Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.Get the name and ticker of Louis Navellier's #1 AI stock free7/31/2024J. 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$77,920.235/24/2024J. Alberto AriasDirectorSell4,258C$0.72C$3,052.565/14/2024J. Alberto AriasDirectorSell84,500C$0.66C$55,423.555/10/2024J. Alberto AriasDirectorSell500C$0.63C$314.454/29/2024J. Alberto AriasDirectorSell46,369C$0.61C$28,345.374/26/2024J. Alberto AriasDirectorSell15,141C$0.60C$9,093.684/23/2024J. Alberto AriasDirectorSell114,976C$0.59C$67,398.934/19/2024J. Alberto AriasDirectorSell28,389C$0.60C$17,127.084/12/2024J. Alberto AriasDirectorSell95,576C$0.62C$58,951.283/27/2024J. Alberto AriasDirectorSell16,560C$0.60C$10,002.243/19/2024J. Alberto AriasDirectorSell21,292C$0.56C$12,023.592/21/2024J. Alberto AriasDirectorSell94,630C$0.64C$60,582.1312/22/2023J. Alberto AriasDirectorSell310,387C$0.58C$179,993.4212/19/2023J. Alberto AriasDirectorSell55,359C$0.54C$29,888.3212/15/2023J. Alberto AriasDirectorSell216,703C$0.55C$119,858.43 (Data available from 1/1/2013 forward) SMT Insider Trading Activity - Frequently Asked Questions Who is on Sierra Metals' 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, and Rajesh Vyas. 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$1,947,578.09), 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 5,554,704 Sierra Metals shares in the last 24 months for a total of C$5,329,317.60 sold. 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