Avidity Biosciences (RNA) Insider Trading & Ownership $47.13 +2.95 (+6.67%) As of 03:54 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Avidity Biosciences (NASDAQ:RNA) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage3.83%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)11Amount OfInsider Selling(Last 12 Months)$35.85M Get RNA Insider Trade Alerts Want to know when executives and insiders are buying or selling Avidity Biosciences stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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RNA Insider Buying and Selling by Quarter Avidity Biosciences 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 TransactionDetails9/22/2025Steven George HughesInsiderSell2,208$40.58$89,600.64 9/5/2025Sarah BoyceCEOSell50,000$49.95$2,497,500.00 9/5/2025Troy Edward WilsonDirectorSell29,500$50.00$1,475,000.00 9/3/2025Eric MosbrookerInsiderSell6,563$47.07$308,920.41 9/2/2025Kathleen P GallagherInsiderSell188$47.42$8,914.96 8/28/2025Sarah BoyceCEOSell25,000$49.39$1,234,750.00 8/22/2025Steven George HughesInsiderSell2,208$46.40$102,451.20 8/15/2025Teresa MccarthyInsiderSell10,000$46.56$465,600.00 8/6/2025Arthur A LevinDirectorSell107,500$47.62$5,119,150.00 8/6/2025Eric MosbrookerInsiderSell130,807$44.06$5,763,356.42 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. 8/6/2025Steven George HughesInsiderSell81,434$42.74$3,480,489.16 8/6/2025Troy Edward WilsonDirectorSell29,500$45.00$1,327,500.00 8/6/2025Troy Edward WilsonDirectorSell65,554$45.00$2,949,930.00 8/4/2025John B MoriartyInsiderSell2,245$36.21$81,291.45 6/17/2025Kathleen P GallagherInsiderSell911$30.24$27,548.64 6/11/2025W. Michael FlanaganInsiderSell20,000$32.88$657,600.00 6/2/2025Kathleen P GallagherInsiderSell5,875$32.48$190,820.00 5/1/2025Kathleen P GallagherInsiderSell5,875$32.40$190,350.00 4/1/2025Kathleen P GallagherInsiderSell5,875$27.83$163,501.25 3/20/2025Michael F MacleanCFOSell7,935$31.06$246,461.10 3/20/2025Sarah BoyceCEOSell31,540$31.06$979,632.40 3/20/2025Steven George HughesInsiderSell9,578$31.06$297,492.68 2/3/2025Kathleen P GallagherInsiderSell5,875$32.16$188,940.00 1/21/2025Arthur A LevinDirectorSell1,872$28.60$53,539.20 1/21/2025Michael F MacleanCFOSell3,287$28.59$93,975.33 1/21/2025Sarah BoyceCEOSell10,397$28.59$297,250.23 1/21/2025Teresa MccarthyInsiderSell2,959$28.59$84,597.81 12/18/2024Michael F MacleanCFOSell11,151$32.66$364,191.66 12/18/2024Sarah BoyceCEOSell31,855$32.66$1,040,384.30 12/18/2024W. Michael FlanaganInsiderSell12,742$32.66$416,153.72 12/16/2024Teresa MccarthyInsiderSell25,000$33.26$831,500.00 12/11/2024W. Michael FlanaganInsiderSell24,000$35.77$858,480.00 11/19/2024Arthur A LevinDirectorSell3,323$42.12$139,964.76 11/18/2024Teresa MccarthyInsiderSell25,000$41.14$1,028,500.00 10/21/2024Arthur A LevinDirectorSell5,000$46.63$233,150.00 10/16/2024Teresa MccarthyInsiderSell25,000$48.52$1,213,000.00 10/7/2024Tamar ThompsonDirectorSell30,000$44.98$1,349,400.00 (Data available from 1/1/2013 forward) RNA Insider Trading Activity - Frequently Asked Questions Who is on Avidity Biosciences' Insider Roster? The list of insiders at Avidity Biosciences includes Arthur A Levin, Eric Mosbrooker, John B Moriarty, Kathleen P Gallagher, Michael F Maclean, Sarah Boyce, Steven George Hughes, Tamar Thompson, Teresa Mccarthy, Troy Edward Wilson, and W. Michael Flanagan. Learn more on insiders at RNA. What percentage of Avidity Biosciences stock is owned by insiders? 3.83% of Avidity Biosciences stock is owned by insiders. Learn more on RNA's insider holdings. Which Avidity Biosciences insiders have been selling company stock? The following insiders have sold RNA shares in the last 24 months: Arthur A Levin ($9,249,766.86), Eric Mosbrooker ($6,072,276.83), John B Moriarty ($81,291.45), Kathleen P Gallagher ($770,074.85), Michael F Maclean ($8,052,869.57), Sarah Boyce ($20,375,397.53), Steven George Hughes ($3,970,033.68), Tamar Thompson ($1,349,400.00), Teresa Mccarthy ($4,201,929.81), Troy Edward Wilson ($5,752,430.00), and W. Michael Flanagan ($1,974,060.49). How much insider selling is happening at Avidity Biosciences? Insiders have sold a total of 1,643,115 Avidity Biosciences shares in the last 24 months for a total of $61,849,531.07 sold. Avidity Biosciences Key ExecutivesDr. Troy Edward Wilson J.D. (Age 55)Ph.D., Co-Founder & Independent Chairman Compensation: $70k3 recent tradesMs. Sarah Boyce (Age 52)President, CEO & Director Compensation: $998.88k2 recent tradesMr. Michael F. MacLean (Age 58)Chief Financial & Chief Business Officer Compensation: $674.74kDr. W. Michael F. Flanagan Ph.D. (Age 61)Chief Scientific & Technical Officer Compensation: $675.22kMs. Teresa McCarthy (Age 60)Chief Human Resources Officer Compensation: $628.79k1 recent tradesDr. Arthur A. Levin Ph.D. (Age 70)Distinguished Scientist, Strategic Leader & Director Compensation: $304.69kMr. Eric B. Mosbrooker (Age 57)Chief Strategy Officer Compensation: $45k2 recent tradesProf. Mark E. Davis Ph.D.Scientific Founder, Member of Scientific Advisory Board and Member of Board of ManagersDr. Frank P. McCormick Ph.D. (Age 74)Scientific Founder & Member of Scientific Advisory Board Mr. Geoffrey M. 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