CNS Pharmaceuticals (CNSP) Insider Trading & Ownership $6.26 -0.03 (-0.48%) Closing price 08/28/2025 03:56 PM EasternExtended Trading$6.39 +0.13 (+2.06%) As of 04:00 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock CNS Pharmaceuticals (NASDAQ:CNSP) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage0.07%Number OfInsiders Buying(Last 3 Years)3Number OfInsiders Selling(Last 3 Years)1 Get CNSP Insider Trade Alerts Want to know when executives and insiders are buying or selling CNS Pharmaceuticals stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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CNSP Insider Buying and Selling by Quarter CNS Pharmaceuticals 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 TransactionDetails8/22/2023Christopher DownsCFOBuy0$38,100.00$0.00 8/16/2023John M ClimacoCEOBuy0$54,000.00$0.00 4/19/2023Jerzy GumulkaDirectorBuy0$51,000.00$0.00 4/17/2023Christopher DownsCFOBuy0$96,000.00$0.00 4/12/2023John M ClimacoCEOBuy0$20,700.00$0.00 4/10/2023Jerzy GumulkaDirectorBuy0$22,200.00$0.00 3/27/2023Waldemar PriebeMajor ShareholderSell0$32,700.00$0.00 3/24/2023Waldemar PriebeMajor ShareholderSell0$32,400.00$0.00 3/22/2023Waldemar PriebeMajor ShareholderSell0$32,400.00$0.00 3/20/2023Waldemar PriebeMajor ShareholderSell0$32,400.00$0.00 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. 3/17/2023Waldemar PriebeMajor ShareholderSell0$33,900.00$0.00 3/15/2023Waldemar PriebeMajor ShareholderSell0$36,600.00$0.00 3/13/2023Waldemar PriebeMajor ShareholderSell0$39,000.00$0.00 3/10/2023Waldemar PriebeMajor ShareholderSell0$38,700.00$0.00 (Data available from 1/1/2013 forward) CNSP Insider Trading Activity - Frequently Asked Questions Who is on CNS Pharmaceuticals' Insider Roster? The list of insiders at CNS Pharmaceuticals includes Christopher Downs, Jerzy Gumulka, John M Climaco, and Waldemar Priebe. Learn more on insiders at CNSP. What percentage of CNS Pharmaceuticals stock is owned by insiders? 0.07% of CNS Pharmaceuticals stock is owned by insiders. Learn more on CNSP's insider holdings. CNS Pharmaceuticals Key ExecutivesMr. John Michael Climaco Esq. (Age 55)J.D., CEO, President & Director Compensation: $525kMr. Christopher S. Downs CPA (Age 45)CTP, FP&A, Chief Financial Officer Compensation: $382.16kDr. Sandra L. Silberman M.D. (Age 68)Ph.D., Chief Medical Officer Compensation: $261.2kDr. Waldemar Priebe Ph.D.FounderDr. Donald H. 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Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say Buy This page (NASDAQ:CNSP) was last updated on 8/29/2025 by MarketBeat.com Staff From Our PartnersMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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