Cyclerion Therapeutics (CYCN) Insider Trading & Ownership $2.57 0.00 (0.00%) Closing price 08/28/2025 03:59 PM EasternExtended Trading$2.61 +0.04 (+1.56%) As of 08/28/2025 04:04 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 AnalysisChartCompetitorsEarningsInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cyclerion Therapeutics (NASDAQ:CYCN) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage34.30%Number OfInsiders Buying(Last 3 Years)0Number OfInsiders Selling(Last 3 Years)1Amount OfInsider Selling(Last 3 Years)$27.20 Get CYCN Insider Trade Alerts Want to know when executives and insiders are buying or selling Cyclerion Therapeutics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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CYCN Insider Buying and Selling by Quarter Cyclerion Therapeutics 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 TransactionDetails8/9/2023Terrance McguireDirectorSell8$3.40$27.20 (Data available from 1/1/2013 forward) CYCN Insider Trading Activity - Frequently Asked Questions Who is on Cyclerion Therapeutics' Insider Roster? The list of insiders at Cyclerion Therapeutics includes Terrance Mcguire. Learn more on insiders at CYCN. What percentage of Cyclerion Therapeutics stock is owned by insiders? 34.30% of Cyclerion Therapeutics stock is owned by insiders. Learn more on CYCN's insider holdings. Cyclerion Therapeutics Key ExecutivesDr. Regina Graul Ph.D.PresidentMs. Rhonda M. Chicko (Age 58)Chief Financial Officer Dr. Todd Milne Ph.D.Senior Vice President of External InnovationMs. Jessica RennekampAssociate Director of Corporate Communications More Insider Trading Tools from MarketBeat Related Companies Clearside Biomedical Insider Ownership Akari Therapeutics Insider Ownership Mural Oncology Insider Ownership Synergy CHC Insider Ownership BioXcel Therapeutics Insider Ownership Dyadic International Insider Ownership Kezar Life Sciences Insider Ownership Medicus Pharma Insider Ownership MIRA Pharmaceuticals Insider Ownership CASI Pharmaceuticals Insider Ownership 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 Costco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, 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 Buy This page (NASDAQ:CYCN) 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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