Twist Bioscience (TWST) Insider Trading & Ownership $28.12 +0.31 (+1.10%) As of 01:56 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 InterestSustainabilityTrendsBuy This Stock Twist Bioscience (NASDAQ:TWST) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage3.01%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$7.37M Get TWST Insider Trade Alerts Want to know when executives and insiders are buying or selling Twist Bioscience stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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TWST Insider Buying and Selling by Quarter Twist Bioscience 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 TransactionDetails9/15/2025Dennis ChoInsiderSell94$25.33$2,381.02 9/8/2025Dennis ChoInsiderSell269$25.76$6,929.44 9/8/2025Emily M LeproustCEOSell2,265$25.76$58,346.40 9/8/2025Paula GreenSVPSell892$25.76$22,977.92 9/8/2025Robert F WernerCAOSell235$25.76$6,053.60 7/9/2025Adam LaponisCFOSell2,449$38.15$93,429.35 7/2/2025Dennis ChoInsiderSell125$36.19$4,523.75 7/2/2025Emily M LeproustCEOSell476$36.19$17,226.44 6/20/2025Dennis ChoInsiderSell230$35.76$8,224.80 6/20/2025Emily M LeproustCEOSell1,678$35.76$60,005.28 6/20/2025Paula GreenSVPSell292$35.76$10,441.92 5/23/2025Robert F WernerCAOSell839$27.73$23,265.47 5/21/2025Adam LaponisCFOSell936$29.75$27,846.00 5/21/2025Dennis ChoInsiderSell531$29.75$15,797.25 5/21/2025Emily M LeproustCEOSell2,802$29.75$83,359.50 5/21/2025Patrick John FinnCOOSell1,877$29.75$55,840.75 5/21/2025Paula GreenSVPSell632$29.75$18,802.00 5/21/2025Robert F WernerCAOSell242$29.75$7,199.50 5/5/2025Dennis ChoInsiderSell689$37.65$25,940.85 5/5/2025Emily M LeproustCEOSell5,042$37.65$189,831.30 5/5/2025Patrick John FinnCOOSell2,800$37.65$105,420.00 5/5/2025Paula GreenSVPSell1,101$37.65$41,452.65 5/5/2025Robert F WernerCAOSell162$37.65$6,099.30 4/23/2025Patrick John FinnCOOSell2,058$39.99$82,299.42 4/2/2025Dennis ChoInsiderSell124$38.73$4,802.52 4/2/2025Emily M LeproustCEOSell492$38.73$19,055.16 4/2/2025Patrick John FinnCOOSell206$38.73$7,978.38 4/2/2025Paula GreenSVPSell140$38.73$5,422.20 3/20/2025Dennis ChoInsiderSell230$41.68$9,586.40 3/20/2025Emily M LeproustCEOSell1,726$41.68$71,939.68 3/20/2025Paula GreenSVPSell291$41.68$12,128.88 3/14/2025Dennis ChoInsiderSell92$40.05$3,684.60 3/6/2025Dennis ChoInsiderSell277$40.91$11,332.07 3/6/2025Emily M LeproustCEOSell2,402$40.91$98,265.82 3/6/2025Paula GreenSVPSell918$40.91$37,555.38 3/6/2025Robert F WernerCAOSell241$40.91$9,859.31 2/7/2025Robert ChessDirectorSell2,940$53.13$156,202.20 2/3/2025Dennis ChoInsiderSell806$49.35$39,776.10 2/3/2025Emily M LeproustCEOSell5,200$49.35$256,620.00 2/3/2025Patrick John FinnCOOSell2,845$49.35$140,400.75 2/3/2025Paula GreenSVPSell1,259$49.35$62,131.65 2/3/2025Robert F WernerCAOSell185$49.35$9,129.75 1/23/2025Patrick John FinnCOOSell2,422$50.17$121,511.74 1/10/2025Adam LaponisCFOSell5,886$43.26$254,628.36 1/7/2025Robert ChessDirectorSell5,000$50.00$250,000.00 1/3/2025Dennis ChoInsiderSell144$45.59$6,564.96 1/3/2025Emily M LeproustCEOSell546$45.59$24,892.14 1/3/2025Patrick John FinnCOOSell229$45.59$10,440.11 1/3/2025Paula GreenSVPSell160$45.59$7,294.40 12/20/2024Dennis ChoInsiderSell316$44.90$14,188.40 12/20/2024Emily M LeproustCEOSell1,654$44.90$74,264.60 12/20/2024Paula GreenSVPSell282$44.90$12,661.80 12/16/2024Dennis ChoInsiderSell133$46.81$6,225.73 12/6/2024Dennis ChoInsiderSell367$52.70$19,340.90 12/6/2024Emily M LeproustCEOSell2,216$52.70$116,783.20 12/6/2024Paula GreenSVPSell860$52.70$45,322.00 12/6/2024Robert F WernerCAOSell226$52.70$11,910.20 12/5/2024Robert ChessDirectorSell3,504$51.85$181,682.40 11/11/2024Dennis ChoInsiderSell1,507$48.00$72,336.00 11/11/2024Emily M LeproustCEOSell7,968$48.00$382,464.00 11/11/2024Patrick John FinnCOOSell10,340$48.00$496,320.00 11/11/2024Paula GreenSVPSell1,347$48.00$64,656.00 11/11/2024Robert ChessDirectorSell3,600$47.26$170,136.00 11/6/2024Adam LaponisCFOSell4,160$44.60$185,536.00 11/6/2024Emily M LeproustCEOSell14,334$44.60$639,296.40 11/6/2024Patrick John FinnCOOSell6,239$44.60$278,259.40 11/6/2024Paula GreenSVPSell5,519$44.60$246,147.40 11/6/2024Robert F WernerCAOSell1,448$44.60$64,580.80 11/4/2024Dennis ChoInsiderSell659$41.56$27,388.04 11/4/2024Emily M LeproustCEOSell4,841$41.56$201,191.96 11/4/2024Patrick John FinnCOOSell2,681$41.56$111,422.36 11/4/2024Paula GreenSVPSell1,057$41.56$43,928.92 11/4/2024Robert F WernerCAOSell156$41.56$6,483.36 10/23/2024Patrick John FinnCOOSell2,261$43.09$97,426.49 10/9/2024Adam LaponisCFOSell856$41.81$35,789.36 10/2/2024Dennis ChoInsiderSell3,104$43.21$134,123.84 10/2/2024Emily M LeproustCEOSell13,605$43.21$587,872.05 10/2/2024Patrick John FinnCOOSell6,865$43.21$296,636.65 10/2/2024Paula GreenSVPSell3,310$43.21$143,025.10 (Data available from 1/1/2013 forward) TWST Insider Trading Activity - Frequently Asked Questions Who is on Twist Bioscience's Insider Roster? The list of insiders at Twist Bioscience includes Adam Laponis, Dennis Cho, Emily M Leproust, Patrick John Finn, Paula Green, Robert Chess, Robert F Werner, and William Banyai. Learn more on insiders at TWST. What percentage of Twist Bioscience stock is owned by insiders? 3.01% of Twist Bioscience stock is owned by insiders. Learn more on TWST's insider holdings. Which Twist Bioscience insiders have been selling company stock? The following insiders have sold TWST shares in the last 24 months: Adam Laponis ($656,848.25), Dennis Cho ($510,175.18), Emily M Leproust ($3,715,576.00), Patrick John Finn ($2,234,358.83), Paula Green ($980,989.28), Robert Chess ($901,788.40), Robert F Werner ($175,387.38), and William Banyai ($40,335.72). How much insider selling is happening at Twist Bioscience? Insiders have sold a total of 214,005 Twist Bioscience shares in the last 24 months for a total of $9,215,459.04 sold. Twist Bioscience Key ExecutivesDr. Emily Marine Leproust Ph.D. (Age 51)Co-Founder, Chairman & CEO Compensation: $1.37MDr. Patrick John Finn Ph.D. (Age 52)President & COO Compensation: $943.94kMs. Paula Green (Age 56)Senior Vice President of Human Resources Compensation: $618.48k5 recent tradesDr. William Charles Banyai Ph.D. (Age 69)Senior VP of Advanced Development, GM of Data Storage & Director Compensation: $711.34kMr. Adam Laponis (Age 47)Chief Financial Officer 2 recent tradesMr. Robert F. Werner (Age 51)VP & Chief Accounting Officer 4 recent tradesMr. Siyuan ChenChief Technology OfficerDr. Aaron K. Sato Ph.D.Chief Scientific OfficerMr. Chet GandhiChief Information OfficerMr. Dennis Cho (Age 53)Senior VP, Chief Legal Officer & Corporate Secretary Compensation: $537.93k7 recent trades More Insider Trading Tools from MarketBeat Related Companies ADPT Insider Transactions BEAM Insider Transactions CRSP Insider Transactions NTLA Insider Transactions TXG Insider Transactions VCYT Insider Transactions CYTK Insider Transactions AXSM Insider Transactions NUVL Insider Transactions RNA Insider Transactions 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 Small Caps That Insiders Are Buying $100 Million Buyback in Upwork Stock Follows a Strong Quarter Insiders Sell These High-Quality Stocks: Why Investors Shouldn’tCoreWeave and Madrigal's Insider Trades Flash Bullish SignalsPalantir Insider Selling: Risk Signal or Normal Activity? 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