OneStream (OS) Insider Trading & Ownership $20.11 -0.68 (-3.27%) Closing price 09/2/2025 04:00 PM EasternExtended Trading$20.23 +0.12 (+0.58%) As of 09/2/2025 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 FilingsTrendsBuy This Stock OneStream (NASDAQ:OS) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage12.77%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)8Amount OfInsider Selling(Last 12 Months)$237.97M Get OS Insider Trade Alerts Want to know when executives and insiders are buying or selling OneStream stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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OS Insider Buying and Selling by Quarter OneStream 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 TransactionDetails8/18/2025Ken HohensteinCROSell20,000$21.56$431,200.00 7/25/2025William A KoefoedCFOSell25,000$25.00$625,000.00 7/18/2025Ken HohensteinCROSell20,000$25.12$502,400.00 6/25/2025William A KoefoedCFOSell25,000$26.77$669,250.00 6/20/2025John KinzerDirectorSell30,000$28.26$847,800.00 6/18/2025Ken HohensteinCROSell20,000$28.28$565,600.00 6/11/2025Craig ColbyMajor ShareholderSell6,279$28.23$177,256.17 6/11/2025Ken HohensteinCROSell6,280$28.23$177,284.40 6/11/2025Thomas Anthony SheaCEOSell9,913$28.23$279,843.99 6/11/2025William A KoefoedCFOSell6,501$28.23$183,523.23 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. 5/27/2025William A KoefoedCFOSell25,000$28.76$719,000.00 5/19/2025Ken HohensteinCROSell20,000$27.67$553,400.00 4/9/2025John KinzerDirectorSell40,000$20.28$811,200.00 2/18/2025William A. KoefoedCFOSell10,000$25.04$250,400.00 1/15/2025William A. KoefoedCFOSell10,000$26.57$265,700.00 12/13/2024Craig ColbyPresidentSell280,000$29.71$8,318,800.00 12/13/2024William A. KoefoedCFOSell13,765$30.00$412,950.00 11/27/2024Kkr Group Partnership L.P.Major ShareholderSell956,462$29.99$28,684,295.38 11/27/2024Michael BurklandDirectorSell9,541$31.00$295,771.00 11/18/2024Kkr Group Partnership L.P.Major ShareholderSell6,376,411$29.99$191,228,565.89 11/18/2024Michael BurklandDirectorSell63,608$31.00$1,971,848.00 (Data available from 1/1/2013 forward) OS Insider Trading Activity - Frequently Asked Questions Who is on OneStream's Insider Roster? The list of insiders at OneStream includes Craig Colby, John Kinzer, Ken Hohenstein, Kkr Group Partnership L.P., Michael Burkland, Thomas Anthony Shea, William A Koefoed. Learn more on insiders at OS. What percentage of OneStream stock is owned by insiders? 12.77% of OneStream stock is owned by insiders. Learn more on OS's insider holdings. Which OneStream insiders have been selling company stock? The following insiders have sold OS shares in the last 24 months: Craig Colby ($12,275,518.87), John Kinzer ($1,659,000.00), Ken Hohenstein ($2,229,884.40), Kkr Group Partnership L.P. ($268,067,900.67), Michael Burkland ($2,267,619.00), Thomas Anthony Shea ($279,843.99), and William A Koefoed ($2,196,773.23). How much insider selling is happening at OneStream? Insiders have sold a total of 10,748,906 OneStream shares in the last 24 months for a total of $290,282,590.16 sold. OneStream Key ExecutivesMr. Thomas Shea (Age 54)CEO & Director Mr. Craig Colby (Age 54)President 1 recent tradesMr. William A. Koefoed Jr. (Age 59)Chief Financial Officer 4 recent tradesMr. Robert PowersChief Technology OfficerMs. Holly KoczotSenior VP, General Counsel & SecretaryMr. Timothy A. Minahan (Age 54)Chief Marketing Officer Ms. Danielle CraneChief People OfficerMr. Ken HohensteinChief Revenue Officer5 recent tradesMs. Stephanie CrampSenior Vice President of Global AlliancesMr. Matthew RodgersExecutive Vice President of EMEA More Insider Trading Tools from MarketBeat Related Companies Samsara Insider Transactions Gen Digital Insider Transactions Nutanix Insider Transactions MongoDB Insider Transactions Rubrik Insider Transactions Unity Software Insider Transactions Twilio Insider Transactions Okta Insider Transactions Bentley Systems Insider Transactions Duolingo 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 Loop Industries Insiders Buy Stock, Signal Confidence in OutlookDueling Insider Moves: Heavy Buying Here, Big Selling ThereCostco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare Stocks This page (NASDAQ:OS) was last updated on 9/3/2025 by MarketBeat.com Staff From Our PartnersHow “Trump’s New Dollar” Could Impact Your WealthPresident Trump just signed a game-changing law… That could soon upgrade the U.S. dollar in your checking a...Brownstone Research | 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 | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredWhat Steve Bannon revealed about Trump’s gold playA Trump advisor just said 3 words that could reset the dollar. 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