Mersana Therapeutics (MRSN) Insider Trading & Ownership $0.50 -0.01 (-1.04%) As of 01:35 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Mersana Therapeutics (NASDAQ:MRSN) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage11.80%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$154,116.74 Get MRSN Insider Trade Alerts Want to know when executives and insiders are buying or selling Mersana Therapeutics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address MRSN Insider Buying and Selling by Quarter Mersana Therapeutics 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 TransactionDetails1/16/2025Anna ProtopapasDirectorSell8,637$0.58$5,009.46 1/16/2025Ashish MandeliaCAOSell3,554$0.58$2,061.32 1/16/2025Martin H Jr. HuberCEOSell4,514$0.58$2,618.12 1/16/2025Timothy B LowingerSVPSell8,048$0.58$4,667.84 1/14/2025Anna ProtopapasDirectorSell11,534$0.66$7,612.44 1/14/2025Ashish MandeliaCAOSell1,007$0.66$664.62 1/14/2025Timothy B LowingerSVPSell3,483$0.66$2,298.78 10/28/2024Mohan BalaSVPSell1,884$1.90$3,579.60 10/3/2024Alejandra CarvajalSVPSell5,598$1.96$10,972.08 10/2/2024Ashish MandeliaCAOSell4,855$2.00$9,710.00 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. 10/2/2024Brian DeschuytnerCFOSell8,089$2.00$16,178.00 9/12/2024Martin H Jr. HuberCEOSell50,423$1.76$88,744.48 (Data available from 1/1/2013 forward) MRSN Insider Trading Activity - Frequently Asked Questions Who is on Mersana Therapeutics's Insider Roster? The list of insiders at Mersana Therapeutics includes Alejandra Carvajal, Andrew A F Hack, Anna Protopapas, Arvin Yang, Ashish Mandelia, Brian Deschuytner, Martin H Jr. Huber, Mohan Bala, Timothy B Lowinger, and Tushar Misra. Learn more on insiders at MRSN. What percentage of Mersana Therapeutics stock is owned by insiders? 11.80% of Mersana Therapeutics stock is owned by insiders. Learn more on MRSN's insider holdings. Which Mersana Therapeutics insiders have been selling company stock? The following insiders have sold MRSN shares in the last 24 months: Alejandra Carvajal ($26,314.24), Anna Protopapas ($92,293.19), Ashish Mandelia ($26,053.69), Brian Deschuytner ($41,454.17), Martin H Jr. Huber ($91,362.60), Mohan Bala ($5,740.16), Timothy B Lowinger ($6,966.62), and Tushar Misra ($11,348.91). How much insider selling is happening at Mersana Therapeutics? Insiders have sold a total of 166,498 Mersana Therapeutics shares in the last 24 months for a total of $301,533.58 sold. Mersana Therapeutics Key ExecutivesDr. Martin H. Huber M.D. (Age 63)President, CEO & Director Compensation: $44kMr. Brian C. DeSchuytner (Age 45)Senior VP, CFO & COO Compensation: $626.32k1 recent tradesDr. Timothy B. Lowinger Ph.D. (Age 60)Senior VP and Chief Science & Technology Officer Compensation: $666.3kMs. Alejandra Veronica Carvajal J.D. (Age 50)Senior VP, Secretary & Chief Legal Officer Compensation: $606.51kMr. Mikhail Papisov Ph.D.Co-FounderMr. Ashish Mandelia (Age 49)VP, Controller & Chief Accounting Officer 3 recent tradesMr. Jason FredetteSenior Vice President of Investor Relations & Corporate CommunicationsMr. Chuck MillerSenior Vice President of Regulatory AffairsMr. Marc DamelinExe. Director and Head of Biology, Oncology, Antibody-Drug Conjugate ADC Discovery & Develop.Dr. Tushar Misra Ph.D. (Age 63)Senior VP & Chief Manufacturing Officer Compensation: $485.89k More Insider Trading Tools from MarketBeat Related Companies DSGN Insider Trading AQST Insider Trading HRTX Insider Trading DMAC Insider Trading ITOS Insider Trading AVIR Insider Trading ENGN Insider Trading CRVS Insider Trading RZLT Insider Trading SLRN Insider Trading 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 3 Stocks With Robust Growth Outlooks Insiders Are BuyingMETA Stock: Insider Selling Ramps Up—What It Means for InvestorsThese Are the Dividend Stocks Insiders Bought in JanuaryInsider Selling in Tech Stocks Spikes in Q43 Small-Cap Stocks Insiders and Institutions Are Buying This page (NASDAQ:MRSN) was last updated on 3/5/2025 by MarketBeat.com Staff From Our PartnersURGENT: This Altcoin Opportunity Won’t Wait – Act NowCrypto has officially entered the "banana zone" – that wild phase where prices can 1000x in days. 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