System1 (SST) Insider Trading & Ownership $7.51 +0.78 (+11.59%) Closing price 08/22/2025 03:58 PM EasternExtended Trading$7.56 +0.05 (+0.67%) As of 08/22/2025 06:46 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock System1 (NYSE:SST) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage13.20%Number OfInsiders Buying(Last 12 Months)2Amount OfInsider Buying(Last 12 Months)$262.14KNumber OfInsiders Selling(Last 12 Months)0 Get SST Insider Trade Alerts Want to know when executives and insiders are buying or selling System1 stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address SST Insider Buying and Selling by Quarter System1 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 TransactionDetails8/20/2025Cee Holdings TrustMajor ShareholderBuy12,584$6.25$78,650.00 8/19/2025Cee Holdings TrustMajor ShareholderBuy6,567$6.32$41,503.44 6/13/2025John CivantosDirectorBuy6,158$4.01$24,693.58 6/12/2025John CivantosDirectorBuy18,842$3.89$73,295.38 9/16/2024Cee Holdings TrustMajor ShareholderBuy841$12.40$10,428.40 9/11/2024Cee Holdings TrustMajor ShareholderBuy403$12.00$4,836.00 9/9/2024Cee Holdings TrustMajor ShareholderBuy219$11.90$2,606.10 9/5/2024Cee Holdings TrustMajor ShareholderBuy435$12.20$5,307.00 9/3/2024Cee Holdings TrustMajor ShareholderBuy160$12.30$1,968.00 8/30/2024Cee Holdings TrustMajor ShareholderBuy1,520$12.40$18,848.00 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. (Data available from 1/1/2013 forward) SST Insider Trading Activity - Frequently Asked Questions Who is on System1's Insider Roster? The list of insiders at System1 includes Cannae Holdings, Inc., Cee Holdings Trust, Christopher Stephen Phillips, John Civantos, L Michael Blend, Lone Star Friends Trust, Stanley Blend, and Tridivesh Kidambi. Learn more on insiders at SST. What percentage of System1 stock is owned by insiders? 13.20% of System1 stock is owned by insiders. Learn more on SST's insider holdings. Which System1 insiders have been buying company stock? The following insiders have purchased SST shares in the last 24 months: Cee Holdings Trust ($504,322.94), John Civantos ($97,988.96), and Stanley Blend ($1,266,072.00). How much insider buying is happening at System1? Insiders have purchased a total of 161,420 SST shares in the last 24 months for a total of $1,868,383.90 bought. Which System1 insiders have been selling company stock? The following insiders have sold SST shares in the last 24 months: Cannae Holdings, Inc. ($203,500.00), L Michael Blend ($1,087,500.00), and Lone Star Friends Trust ($7,162,500.00). How much insider selling is happening at System1? Insiders have sold a total of 561,000 System1 shares in the last 24 months for a total of $8,453,500.00 sold. System1 Key ExecutivesMr. Michael L. Blend (Age 57)CEO & Chairman Compensation: $36.51kMr. Tridivesh Kidambi (Age 42)Chief Financial Officer Compensation: $850.58kMr. Marc MezzaccaPresident of CouponFollowMr. Charles Ursini (Age 48)Co-Founder, President, COO & Director Ms. Jennifer Robinson (Age 46)Chief Technology Officer Compensation: $339.21kMr. Daniel J. Weinrot (Age 50)General Counsel & Corporate Secretary Ms. Elizabeth Sestanovich (Age 59)Chief People Officer Mr. Brian Coppola (Age 51)Chief Product Officer Kyle OstgaardVice President of Finance More Insider Trading Tools from MarketBeat Related Companies ASUR Insider Selling KLTR Insider Selling ONTF Insider Selling HCAT Insider Selling GMGI Insider Selling MAPS Insider Selling TEAD Insider Selling TRUE Insider Selling SSTI Insider Selling AISP Insider Selling 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 Buy, 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 BuyStrategy Insiders Buy In While Analysts Predict Big UpsideThe Bottom Is in For These 3 Small-Cap Stocks Insiders Are Buying This page (NYSE:SST) was last updated on 8/24/2025 by MarketBeat.com Staff From Our PartnersCould This Be the End of Retirement Worries?Bloomberg reports that a new class of investments is “entering a golden era,” with yields fueling a retail boo...Investors Alley | SponsoredIs Elon's empire crumbling?The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered ...Brownstone Research | SponsoredTrump’s betrayal exposedTrump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to ...Porter & Company | SponsoredTrump’s “new dollar” could shock Americans"I Made Millions in the Tech Boom. 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