This company has been marked as potentially delisted and may not be actively trading. Aptose Biosciences (APTO) Insider Trading & Ownership Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsEarningsFDA EventsHeadlinesInsider TradesOwnershipShort InterestTrendsBuy This Stock Aptose Biosciences (NASDAQ:APTO) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage1.33%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$20.00KNumber OfInsiders Selling(Last 12 Months)0 Get APTO Insider Trade Alerts Want to know when executives and insiders are buying or selling Aptose Biosciences stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address APTO Insider Buying and Selling by Quarter Aptose Biosciences 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 TransactionDetails11/25/2024William G RiceCEOBuy3,333$6.00$19,998.00 (Data available from 1/1/2013 forward) APTO Insider Trading Activity - Frequently Asked Questions Who is on Aptose Biosciences' Insider Roster? The list of insiders at Aptose Biosciences includes Bernd R Seizinger, and William G Rice. Learn more on insiders at APTO. What percentage of Aptose Biosciences stock is owned by insiders? 1.33% of Aptose Biosciences stock is owned by insiders. Learn more on APTO's insider holdings. Which Aptose Biosciences insiders have been buying company stock? The following insiders have purchased APTO shares in the last 24 months: Bernd R Seizinger ($53,317.20), and William G Rice ($19,998.00). How much insider buying is happening at Aptose Biosciences? Insiders have purchased a total of 3,899 APTO shares in the last 24 months for a total of $73,315.20 bought. Aptose Biosciences Key ExecutivesDr. William G. Rice Ph.D. (Age 59)Chairman, Pres & CEO Mr. Gregory K. Chow CPA (Age 45)MBA, BA, Sr. VP, CFO & Principal Accounting Officer Mr. Ernest Kitt B.S.M.S, VP of Devel. & Technical OperationsDr. Stephen B. Howell (Age 73)Chief Medical Officer Mr. Peter MurrayDirector of Clinical Devel. More Insider Trading Tools from MarketBeat Related Companies AlloVir Insider Trading Chromocell Therapeutics Insider Trading NKGen Biotech Insider Trading AIM ImmunoTech Insider Trading Sorrento Therapeutics Insider Trading SQZ Biotechnologies Insider Trading Prime Medicine Insider Trading Inhibikase Therapeutics Insider Trading Protalix BioTherapeutics Insider Trading Invizyne Technologies Insider Trading 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 The Bottom Is in For These 3 Small-Cap Stocks Insiders Are Buying3 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 Support This page (NASDAQ:APTO) was last updated on 8/2/2025 by MarketBeat.com Staff From Our PartnersElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredChina just unlocked Nvidia’s AI chips—what that means for youTired of Missing Big AI Moves Like Nvidia? 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