Stem (STEM) Insider Trading & Ownership $3.38 -0.10 (-2.87%) Closing price 10/19/2026 03:59 PM EasternExtended Trading$3.48 +0.10 (+2.81%) As of 10/19/2026 07:30 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 Massive. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC Filings Stem (NYSE:STEM) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage5.10%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)6Amount OfInsider Selling(Last 12 Months)$219.87K Get STEM Insider Trade Alerts Want to know when executives and insiders are buying or selling Stem stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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STEM Insider Buying and Selling by Quarter Stem Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type 10/20/2025 - 10/20/2026 Transaction Date Transaction Date From Transaction Date To 1M3M6MYTD1Y2Y3Y More filters Fewer filters Done 0 Results Export Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails9/29/2026Michael James CarlsonInsiderSell146$4.67$681.82 7/20/2026Brian MusfeldtCFOSell996$6.11$6,085.56 7/2/2026Arun NarayananCEOSell1,996$7.85$15,668.60 7/2/2026Matthew TappinInsiderSell996$7.85$7,818.60 7/2/2026Michael James CarlsonInsiderSell1,347$7.85$10,573.95 7/2/2026Saul R LaurelesInsiderSell675$7.85$5,298.75 3/11/2026Matthew TappinInsiderSell402$10.83$4,353.66 3/10/2026Arun NarayananCEOSell5,145$11.12$57,212.40 3/10/2026Matthew TappinInsiderSell655$11.12$7,283.60 3/10/2026Michael James CarlsonInsiderSell2,079$11.12$23,118.48 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. 3/10/2026Saul R LaurelesInsiderSell942$11.12$10,475.04 3/4/2026Matthew TappinInsiderSell185$10.00$1,850.00 3/3/2026Matthew TappinInsiderSell300$9.67$2,901.00 3/3/2026Saul R LaurelesInsiderSell292$9.67$2,823.64 2/20/2026Matthew TappinInsiderSell366$11.40$4,172.40 11/18/2025Rahul ShuklaCAOSell3,674$16.21$59,555.54 (Data available from 1/1/2013 forward) STEM Insider Trading Activity - Frequently Asked Questions Who is on Stem's Insider Roster? The list of insiders at Stem includes Alan Russo, Arun Narayanan, Brian Musfeldt, David S Buzby, Hofeldt Albert, John Eugene Carrington, Kim Homenock, Larsh Johnson, Matthew Tappin, Michael James Carlson, Prakesh Patel, Rahul Shukla, Robert Schaefer, Saul R Laureles, and William John Bush. Learn more on insiders at STEM. What percentage of Stem stock is owned by insiders? 5.10% of Stem stock is owned by insiders. Learn more on STEM's insider holdings. Which Stem insiders have been selling company stock? The following insiders have sold STEM shares in the last 24 months: Arun Narayanan ($72,881.00), Brian Musfeldt ($6,085.56), Hofeldt Albert ($8,366.40), Matthew Tappin ($43,385.86), Michael James Carlson ($34,374.25), Rahul Shukla ($82,700.34), and Saul R Laureles ($19,021.43). How much insider selling is happening at Stem? Insiders have sold a total of 24,634 Stem shares in the last 24 months for a total of $266,814.84 sold. Stem Active InsidersJohn Eugene Carrington (Age 59)CEOArun Narayanan (Age 51)CEO1 recent tradesMark William Triplett (Age 64)COOWilliam John Bush (Age 61)CFOBrian Musfeldt (Age 51)CFO1 recent tradesAdam DaleyDirectorLarsh Johnson (Age 68)CTOAlan RussoCROPrakesh PatelInsiderMatthew TappinInsider1 recent tradesMichael James Carlson (Age 62)Insider2 recent tradesSaul R Laureles (Age 60)Insider1 recent trades More Insider Trading Tools from MarketBeat Related Companies Domo Insider Trades ReposiTrak Insider Trades Digimarc Insider Trades eGain Insider Trades Datavault AI Insider Trades RTB Digital, Inc. Common Stock Insider Trades SoundThinking Insider Trades Synchronoss Technologies Insider Trades Roadzen Insider Trades Audioeye 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 Latest Articles Insider Buying Is Rising at These 3 Regional Banks, But the Details MatterPBF Energy's Stunning Rally Faces a Critical TestA Chinese Rival Just Spooked Memory Stocks—How Worried Should Micron Investors Be?Flex's AI Infrastructure Spin-Off Could Unlock Hidden ValueA Silent Winner: Texas Instruments Anchors the AI Supercycle Insider trading data for NYSE:STEM was last updated on 9/29/2026, the date of the most recent reported insider or congressional trade. New trades are added as they're reported. 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