Stem (STEM) Insider Trading & Ownership $16.78 +3.28 (+24.30%) Closing price 07/21/2025 03:58 PM EasternExtended Trading$16.53 -0.25 (-1.49%) As of 06:21 AM 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Stem (NYSE:STEM) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage10.17%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)4Amount OfInsider Selling(Last 12 Months)$46.94K 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. Email Address 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 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 TransactionDetails6/16/2025Matthew TappinInsiderSell1,041$9.00$9,369.00 5/30/2025Matthew TappinInsiderSell58$9.00$522.00 5/2/2025Rahul ShuklaCAOSell1,228$10.80$13,262.40 5/2/2025Saul R LaurelesInsiderSell40$10.60$424.00 3/12/2025Rahul ShuklaCAOSell373$8.00$2,984.00 2/25/2025Rahul ShuklaCAOSell452$10.20$4,610.40 2/20/2025Hofeldt AlbertCTOSell664$12.60$8,366.40 2/20/2025Matthew TappinInsiderSell406$12.60$5,115.60 1/23/2025Rahul ShuklaCAOSell176$13.00$2,288.00 (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 Adam Daley, Alan Russo, Anil Tammineedi, David S Buzby, Hofeldt Albert, John Eugene Carrington, Kim Homenock, Larsh Johnson, Lisa L Troe, 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? 10.17% of Stem stock is owned by insiders. Learn more on STEM's insider holdings. Which Stem insiders have been buying company stock? The following insiders have purchased STEM shares in the last 24 months: David S Buzby ($475,018.00), Kim Homenock ($44,160.00), and Michael James Carlson ($17,675.00). How much insider buying is happening at Stem? Insiders have purchased a total of 9,620 STEM shares in the last 24 months for a total of $536,853.00 bought. Which Stem insiders have been selling company stock? The following insiders have sold STEM shares in the last 24 months: Alan Russo ($177,956.40), Hofeldt Albert ($8,366.40), John Eugene Carrington ($582,811.80), Larsh Johnson ($156,934.20), Matthew Tappin ($79,709.40), Michael James Carlson ($116,336.80), Prakesh Patel ($44,618.20), Rahul Shukla ($144,644.20), Robert Schaefer ($264,037.40), Saul R Laureles ($67,016.20), and William John Bush ($210,242.40). How much insider selling is happening at Stem? Insiders have sold a total of 44,790 Stem shares in the last 24 months for a total of $1,852,673.40 sold. Stem Key ExecutivesMr. John E. Carrington (Age 57)CEO & Director Compensation: $1.08MMr. William J. Bush CPA (Age 59)Chief Financial Officer Compensation: $709.74kMr. Saul R. Laureles (Age 58)Chief Legal Officer & Corporate Secretary Compensation: $634.8k1 recent tradesMr. Prakesh PatelChief Strategy OfficerMr. Brian ThompsonFounderMr. Michael J. Carlson (Age 60)Chief Operating Officer Mr. Rahul Shukla (Age 41)Chief Accounting Officer 4 recent tradesMr. Albert Hofeldt Ph.D.Executive Vice President of TechnologyMr. Theodore J. DurbinHead of Investor RelationsMs. Kim Homenock (Age 50)Chief People Officer Compensation: $553.28k More Insider Trading Tools from MarketBeat Related Companies GrafTech International Insider Trades FREYR Battery Insider Trades Ultralife Insider Trades Energy Vault Insider Trades Laser Photonics Insider Trades Flux Power Insider Trades Pioneer Power Solutions Insider Trades 374Water Insider Trades Orion Energy Systems Insider Trades ESS Tech 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 3 Catalysts Driving Plug Power’s Turnaround CaseInsider Selling Hits Market Leaders—Should You Be Worried?Insiders Spent Millions on These 3 Stocks Over the Past 2 Months3 Small Caps Drawing Insider and Institutional SupportDo They Know Something? Insiders & Congress Buy UnitedHealth This page (NYSE:STEM) was last updated on 7/22/2025 by MarketBeat.com Staff From Our PartnersHIDDEN IN THE BOOK OF GENESIS…“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | Sponsored[ATTENTION] This Crypto Rocket Is About Launch…Every crypto bull market ends with a final surge — the window where fortunes are made fast. According to tw...Crypto Swap Profits | SponsoredTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredURGENT: Someone's Moving Gold Out of London...People who don’t understand the gold market are about to lose a lot of money. Unfortunately, most so-called “g...Golden Portfolio | SponsoredCritical AI announcement set to ignite AI 2.0 I just put together an urgent new presentation that you need to see right away. 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