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 Biosciences Announces Completion of Acquisition by Hanmi PharmaceuticalJune 30, 2026 | financialpost.comFAptose 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.comForget SpaceX, Elon Is Now Powering the Next Hot IPOElon Musk is backing a new AI startup that's quietly growing faster than Tesla, SpaceX, and reportedly 23 times faster than Nvidia, according to Jeff Brown of Brownstone Research. The company recently filed paperwork for what could become the next major IPO on Wall Street. Investors can explore how to claim a pre-IPO stake for as little as $50 before shares go public.August 18 at 1:00 AM | Brownstone Research (Ad)Aptose 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.comAptose Hanmi Acquisition Closing Delayed Pending Korean ApprovalsApril 30, 2026 | tipranks.comSee More Headlines APTO Stock Analysis - Frequently Asked Questions How were Aptose Biosciences' earnings last quarter? Aptose Biosciences Inc. (NASDAQ:APTO) announced its earnings results on Thursday, August, 8th. The biotechnology company reported ($12.90) earnings per share (EPS) for the quarter, topping the consensus estimate 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 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 Digital Turbine (APPS), Okta (OKTA), Canoo (GOEV), CrowdStrike (CRWD) and NVIDIA (NVDA). Company Calendar Last Earnings8/08/2024Today8/17/2026Fiscal 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 Best Space Stocks to Own in 2026The space race is growing fast, and you don’t have to have gotten in early on SpaceX to profit. This report shows seven space stocks you can buy today that may grow as rockets, satellites, defense, space internet, and new space technology become more important.Get This Free Report This page (NASDAQ:APTO) was last updated on 8/18/2026 by MarketBeat.com Staff. From Our PartnersThey didn't warn anyone in 1971. This time someone is warning you.On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...Reagan Gold Group | SponsoredIran War: What Happened at 1:11 P.M. Outside D.C.?A source with ties to Saudi Arabia, the UAE, and the U.S. State Department revealed details of a potential 7 t...Banyan Hill Publishing | SponsoredGold Miners Post Record Cash Flow Even as Prices Pull BackThe four largest gold miners are generating record free cash flow, even with gold pulling back from recent hig...Golden Portfolio | SponsoredTrump’s New Currency ResetTrump is launching a new $250 bill - but that may be a distraction. 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