Twist Bioscience (TWST) Insider Trading & Ownership $26.97 +0.38 (+1.43%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$26.65 -0.32 (-1.20%) As of 08/29/2025 07:57 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours 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)$7.38M Get TWST Insider Trade Alerts Want to know when executives and insiders are buying or selling Twist Bioscience stock? 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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 TransactionDetails7/9/2025Adam 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 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. 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 Buffett, Gates and Bezos Dumping Stocks (Ad)The world's wealthiest individuals are making huge moves with their money. 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It’s something we haven’t see in America for more than a century.For the full story, click here.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 9/20/2024Dennis ChoInsiderSell234$46.94$10,983.96 9/20/2024Emily M LeproustCEOSell1,730$46.94$81,206.20 9/20/2024Paula GreenSVPSell297$46.94$13,941.18 (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 ($500,864.72), Emily M Leproust ($3,657,229.60), Patrick John Finn ($2,234,358.83), Paula Green ($958,011.36), Robert Chess ($901,788.40), Robert F Werner ($169,333.78), and William Banyai ($40,335.72). How much insider selling is happening at Twist Bioscience? Insiders have sold a total of 210,250 Twist Bioscience shares in the last 24 months for a total of $9,118,770.66 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: $618.48k6 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: $537.93k8 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 RYTM Insider Transactions RNA Insider Transactions AXSM Insider Transactions NUVL 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 Costco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say Buy This page (NASDAQ:TWST) was last updated on 9/1/2025 by MarketBeat.com Staff From Our PartnersNew Banking Law #1582 Could Unlock $21 Trillion for AmericansDo you have money in any of these banks? Chase. Bank of America. Citigroup. Wells Fargo. U.S. Bancorp. I...Brownstone Research | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. Traditional advice and tiny returns ju...Investors Alley | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredOut of 18,347 Cryptocurrencies... 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