This company has been marked as potentially delisted and may not be actively trading. 2seventy bio (TSVT) Insider Trading & Ownership Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsEarningsHeadlinesInsider TradesOwnershipShort InterestTrendsBuy This Stock 2seventy bio (NASDAQ:TSVT) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage7.20%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)5Amount OfInsider Selling(Last 12 Months)$25.42M Get TSVT Insider Trade Alerts Want to know when executives and insiders are buying or selling 2seventy bio stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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TSVT Insider Buying and Selling by Quarter 2seventy bio 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 TransactionDetails3/17/2025Jessica SnowCOOSell2,298$4.95$11,375.10 3/17/2025Victoria EatwellCFOSell2,592$4.95$12,830.40 3/17/2025William D Baird IIICEOSell5,092$4.95$25,205.40 3/11/2025Global Healthcare Master KynamMajor ShareholderSell5,142,111$4.93$25,350,607.23 12/13/2024Jessica SnowInsiderSell2,287$3.23$7,387.01 11/18/2024Marcela V MausDirectorSell3,900$3.38$13,182.00 (Data available from 1/1/2013 forward) TSVT Insider Trading Activity - Frequently Asked Questions Who is on 2seventy bio's Insider Roster? The list of insiders at 2seventy bio includes Casdin Capital, Llc, Global Healthcare Master Kynam, Jessica Snow, Kynam Capital Management, Lp, Marcela V Maus, Nick Leschly, Nicola Heffron, Philip D Gregory, Victoria Eatwell, and William D Baird III. Learn more on insiders at TSVT. What percentage of 2seventy bio stock is owned by insiders? 7.20% of 2seventy bio stock is owned by insiders. Learn more on TSVT's insider holdings. Which 2seventy bio insiders have been buying company stock? The following insider purchased TSVT shares in the last 24 months: Casdin Capital, Llc ($3,143,100.00). How much insider buying is happening at 2seventy bio? Insiders have purchased a total of 630,000 TSVT shares in the last 24 months for a total of $3,143,100.00 bought. Which 2seventy bio insiders have been selling company stock? The following insiders have sold TSVT shares in the last 24 months: Global Healthcare Master Kynam ($25,350,607.23), Jessica Snow ($55,313.70), Marcela V Maus ($13,182.00), Nick Leschly ($285,674.94), Philip D Gregory ($102,103.56), Victoria Eatwell ($17,760.20), and William D Baird III ($160,609.77). How much insider selling is happening at 2seventy bio? Insiders have sold a total of 5,303,245 2seventy bio shares in the last 24 months for a total of $25,985,251.40 sold. 2seventy bio Key ExecutivesMr. Nick Leschly (Age 51)President & Chairman of the Board Compensation: $1.81MMr. William D. Baird III (Age 52)M.B.A., CEO & Director Compensation: $810.83kVicki EatwellChief Financial OfficerJessica SnowSenior VP of Quality and Head of OperationsMichael CertoVP & Head of Genome EditingAnna Truppel-HartmannChief Medical Officer More Insider Trading Tools from MarketBeat Related Companies Collegium Pharmaceutical Insider Trading Upstream Bio Insider Trading ARS Pharmaceuticals Insider Trading Cronos Group Insider Trading Spyre Therapeutics Insider Trading Rapport Therapeutics Insider Trading Bicara Therapeutics Insider Trading Sana Biotechnology Insider Trading Relay Therapeutics Insider Trading Precigen 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 Marvell Insiders Buy Shares—Should Investors Follow Suit?This Insider Just Made a Massive Bet on Transocean's ComebackInsider Sales Jump at Broadcom and CoreWeave: Red Flag Ahead?Oklo Insiders Sell! Oh No! This Is Why Investors Shouldn’t WorryTop Insider Buys and Sells From September: Buy, Sell, or Hold? This page (NASDAQ:TSVT) was last updated on 10/9/2025 by MarketBeat.com Staff From Our PartnersBitcoin grabs headlines, but smart money likes this tokenBitcoin grabs headlines, but smart money likes this token My research team has identified the token positio...Crypto 101 Media | SponsoredMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. From holdi...SmartAsset | SponsoredAn $8 trillion-dollar discovery 17,000 ft underwater A strange rock pulled from the ocean floor may hold the key to a $16 trillion resource boom. 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