908 Devices (MASS) Insider Trading & Ownership $4.01 -0.04 (-0.99%) Closing price 03/27/2025 04:00 PM EasternExtended Trading$4.05 +0.04 (+1.10%) As of 03/27/2025 06:00 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 InterestTrendsBuy This Stock 908 Devices (NASDAQ:MASS) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage27.70%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$178,500.00Number OfInsiders Selling(Last 12 Months)2Amount OfInsider Selling(Last 12 Months)$46,488.00 Get MASS Insider Trade Alerts Want to know when executives and insiders are buying or selling 908 Devices stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address MASS Insider Buying and Selling by Quarter Remove Ads 908 Devices 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 TransactionDetails2/3/2025Joseph H Iv GriffithCFOSell10,236$2.34$23,952.24 2/3/2025Michael S TurnerInsiderSell9,672$2.33$22,535.76 5/13/2024Kevin J KnoppCEOBuy10,000$6.42$64,200.00 5/9/2024Kevin J KnoppCEOBuy10,000$5.83$58,300.00 5/7/2024Kevin J KnoppCEOBuy10,000$5.60$56,000.00 (Data available from 1/1/2013 forward) MASS Insider Trading Activity - Frequently Asked Questions Who is on 908 Devices's Insider Roster? The list of insiders at 908 Devices includes Christopher D Brown, Joseph H Iv Griffith, Kevin J Knopp, Mark Spoto, Michael S Turner, and Trent A Basarsky. Learn more on insiders at MASS. What percentage of 908 Devices stock is owned by insiders? 27.70% of 908 Devices stock is owned by insiders. Learn more on MASS's insider holdings. Which 908 Devices insiders have been buying company stock? The following insider purchased MASS shares in the last 24 months: Kevin J Knopp ($178,500.00). How much insider buying is happening at 908 Devices? Insiders have purchased a total of 30,000 MASS shares in the last 24 months for a total of $178,500.00 bought. Which 908 Devices insiders have been selling company stock? The following insiders have sold MASS shares in the last 24 months: Christopher D Brown ($134,361.00), Joseph H Iv Griffith ($114,504.64), Kevin J Knopp ($63,497.00), and Michael S Turner ($59,107.44). How much insider selling is happening at 908 Devices? Insiders have sold a total of 60,254 908 Devices shares in the last 24 months for a total of $371,470.08 sold. 908 Devices Key ExecutivesDr. Kevin J. Knopp Ph.D. (Age 51)Co-Founder, CEO, President & Director Compensation: $761.12kMr. Joseph H. Griffith IV (Age 49)CFO & Treasurer Compensation: $491.89kMr. Michael S. Turner Esq. (Age 57)J.D., Chief Legal & Administrative Officer and Secretary Compensation: $470.65k1 recent tradesDr. Christopher David Brown Ph.D. (Age 49)Co-Founder, Chief Product Officer & Co-Chair of Scientific Advisory Board Compensation: $459.7kMr. Steve AraizaCo-FounderMr. Andrew BartfayCo-Founder & Director of Hardware DevelopmentMr. Michael JobinCo-Founder & Director of Product DevelopmentDr. Scott Miller Ph.D.Co-Founder & Director of MS EngineeringMs. Barbara Russo (Age 61)Vice President of Marketing & Corporate Communications Mr. Don Osmer (Age 58)Vice President of Human Resources More Insider Trading Tools from MarketBeat Related Companies Cytek Biosciences Insider Trades Senseonics Insider Trades Standard BioTools Insider Trades EyePoint Pharmaceuticals Insider Trades Allient Insider Trades Quanterix Insider Trades Quantum-Si Insider Trades Aehr Test Systems Insider Trades Frequency Electronics Insider Trades Kewaunee Scientific Insider Trades 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 NVIDIA Insiders Sell: This Is What It Means for the Market Top 3 Insider Stock Buys in March—Are They Still Good in April?Grocery Outlet Insider and Institutional Buyers Signal BottomSentinelOne Insider Selling? Why Investors Should Stay Bullish 3 Companies Buying Back Stock—Why It Matters This page (NASDAQ:MASS) was last updated on 3/28/2025 by MarketBeat.com Staff From Our PartnersElon Warns: Exec Order 14024 Targets DollarExecutive Order 14024 is paving the way for irreversible damage to the dollar's value—threatening your wealth,...Priority Gold | SponsoredWarning: “DOGE Collapse” imminentElon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. Just this week...Altimetry | SponsoredTrump Makes Major Crypto AnnouncementTrump Ends the “War on Crypto” I expect it to pump the market, which is why I'm recommending ONE coin to al...Crypto 101 Media | SponsoredYour Wealth is Under AttackPlease don't wait—this is your moment to take action. 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