This company has been marked as potentially delisted and may not be actively trading. NASDAQ:APTO Aptose Biosciences (APTO) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock AnalysisHeadlinesInsider TradesTrendsBuy This Stock About Aptose Biosciences Stock (NASDAQ:APTO) Get Aptose Biosciences alerts:Sign Up Key Stats Today's Range$1.71▼$1.7150-Day Range$1.71▼$6.8652-Week Range$1.35▼$50.10VolumeN/AAverage Volume227,964 shsMarket Capitalization$3.66 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Aptose Biosciences Inc., a clinical-stage biotechnology company, discovers and develops personalized therapies addressing unmet medical needs in oncology in Canada. Its lead clinical program is APTO-253, which is a Phase I clinical trial for the treatment of patients with relapsed or refractory hematologic malignancies. The company has an agreement with CrystalGenomics, Inc. to research, develop, and commercialize CG026806, a non-covalent small molecule therapeutic agent, which is in preclinical stage for the treatment of acute myeloid leukemia and chronic lymphocytic leukemia/mantle cell lymphoma. The company was formerly known as Lorus Therapeutics Inc. and changed its name to Aptose Biosciences Inc. in August 2014. Aptose Biosciences Inc. was founded in 1986 and is headquartered in Mississauga, Canada. Read More Receive APTO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Aptose Biosciences and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. 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APTO Stock News HeadlinesAptose Reports First Quarter 2026 ResultsMay 13, 2026 | financialpost.comFAptose Reports First Quarter 2026 ResultsMay 13, 2026 | globenewswire.comPH: Do THESE 4 things to your bank account now …In a few short months, the US government could gain unprecedented powers over personal bank accounts - including the ability to track every transaction or freeze funds. Martin D. Weiss, PhD, founder of Weiss Ratings, has identified 4 simple steps Americans can take today to help safeguard their savings before any changes take effect.May 26 at 1:00 AM | Weiss Ratings (Ad)Aptose Biosciences Announces Update on Anticipated Timing of Closing of the Plan of Arrangement with Hanmi PharmaceuticalApril 30, 2026 | markets.businessinsider.comAptose Hanmi Acquisition Closing Delayed Pending Korean ApprovalsApril 30, 2026 | tipranks.comAptose Biosciences, Inc.: Aptose Biosciences Announces Results of Special Shareholders Meeting; Announces Receipt of Final Court Approval of Plan of Arrangement; Reports Year ...April 1, 2026 | finanznachrichten.deAptose Biosciences: Q4 Earnings SnapshotApril 1, 2026 | chron.comAptose Biosciences Announces Results of Special Shareholders Meeting; Announces Receipt of Final Court Approval of Plan of Arrangement; Reports Year End 2025 Results and Corporate HighlightsMarch 31, 2026 | financialpost.comFSee More Headlines APTO Stock Analysis - Frequently Asked Questions How were Aptose Biosciences' earnings last quarter? Aptose Biosciences Inc. (NASDAQ:APTO) posted its quarterly earnings results on Thursday, August, 8th. The biotechnology company reported ($12.90) earnings per share for the quarter, topping analysts' consensus estimates of ($17.40) by $4.50. When did Aptose Biosciences' stock split? Aptose Biosciences shares reverse split before market open on Wednesday, February 26th 2025.The 1-30 reverse split was announced on Tuesday, February 18th 2025. The number of shares owned by shareholders was adjusted after the market closes on Tuesday, February 25th 2025. An investor that had 100 shares of stock prior to the reverse split would have 3 shares after the split. What other stocks do shareholders of Aptose Biosciences own? Based on aggregate information from My MarketBeat watchlists, some other companies that Aptose Biosciences investors own include Digital Turbine (APPS), Okta (OKTA), Canoo (GOEV), CrowdStrike (CRWD) and NVIDIA (NVDA). Company Calendar Last Earnings8/08/2024Today5/26/2026Fiscal Year End12/31/2026Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Biological products, except diagnostic Sub-IndustryN/A Current SymbolNASDAQ:APTO CIK882361 Webwww.aptose.com Phone858-926-2730Fax905-234-2120Employees31Year Founded2014Profitability EPS (Trailing Twelve Months)($89.19) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$51.21 million Net MarginsN/A Pretax MarginN/A Return on Equity-5,683.22% Return on Assets-300.44% Debt Debt-to-Equity RatioN/A Current Ratio1.05 Quick Ratio1.05 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book Value($0.19) per share Price / Book-9.00Miscellaneous Outstanding Shares2,141,000Free Float63,446,000Market Cap$3.66 million OptionableNo Data Beta1.04 Social Links The 7 Hottest IPOs On Wall Street’s 2026 WatchlistMarketBeat just released its list of the 7 hottest IPOs expected to hit Wall Street in 2026. 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