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 Analysis 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 Headlines한미약품, 5000억 기술수출 신약 투스페티닙 5년 만에 개발 내부화August 26, 2026 | msn.comAptose Biosciences Announces Completion of Acquisition by Hanmi PharmaceuticalJune 30, 2026 | financialpost.comFElon's next millionaires start October 24?SpaceX minted 4,400 millionaires in a single day, and Tesla has turned more than 5,000 employees into millionaires. One welder's $10,000 stock package made him a millionaire on IPO day. Former Wall Street CEO Dylan Jovine says Elon Musk's next venture could outsize everything he's built before. It runs on an obscure AI firm Musk has relied on since 2012, supplying crucial technology to Tesla, Starlink and SpaceX.October 14 at 1:00 AM | Behind the Markets (Ad)Aptose Presents Safety, Response, and MRD Clinical Data from TUSCANY Phase 1/2 Clinical Trial of Tuspetinib Triplet Therapy in Newly Diagnosed AML at the 2026 EHA Congress in Oral PresentationJune 15, 2026 | globenewswire.comAptose Biosciences Announces Update on Anticipated Timing of Closing of the Plan of Arrangement with Hanmi PharmaceuticalMay 29, 2026 | financialpost.comFAptose Reports First Quarter 2026 ResultsMay 13, 2026 | financialpost.comFAptose Reports First Quarter 2026 ResultsMay 13, 2026 | globenewswire.comAptose Biosciences Announces Update on Anticipated Timing of Closing of the Plan of Arrangement with Hanmi PharmaceuticalApril 30, 2026 | markets.businessinsider.comSee 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) EPS for the quarter, beating analysts' consensus estimates of ($17.40) by $4.50. When did Aptose Biosciences' stock split? Shares of Aptose Biosciences reverse split 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 closing bell 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 NVIDIA (NVDA), Aurinia Pharmaceuticals (AUPH), Viking Therapeutics (VKTX), Tesla (TSLA), Arch Therapeutics (ARTH), Micron Technology (MU) and Anavex Life Sciences (AVXL). Company Calendar Last Earnings8/08/2024Today10/14/2026Fiscal Year End12/31/2026Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology 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 7 Stocks That Will Be Magnificent in 2026Discover the next wave of investment opportunities with our report, 7 Stocks That Will Be Magnificent in 2026. Explore companies poised to replicate the growth, innovation, and value creation of the tech giants dominating today's markets.Get This Free Report This page (NASDAQ:APTO) was last updated on 4/8/2026 by MarketBeat.com Staff. From Our PartnersWhy major institutions are piling into this digital asset nowBlackRock, JPMorgan, Goldman Sachs, and Fidelity are reportedly accumulating a scarce blockchain asset - one t...Awesomely | SponsoredA new income category is drawing serious money - here's whyForbes recently called a new category of exchange-traded income funds a 'golden era,' and Bloomberg noted the ...Investors Alley | SponsoredElon Musk’s One Stock Retirement PlanJeff Brown picked Nvidia in 2016, before it surged 37,000 percent. Now he's tracking a small AI company he say...Brownstone Research | SponsoredThe REAL Reason Trump is Invading IranFor a moment… Forget about Trump’s ties to Israel. Forget about reports of Iran’s nuclear program. 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