Company Profile

Aptose Biosciences Inc. is a clinical-stage biotechnology company focused on developing precision medicines addressing unmet medical needs in oncology, with an initial focus on hematology. The Companyâ€™s lead clinical-stage, oral kinase inhibitor tuspetinib (TUS) has demonstrated activity as a monotherapy and in combination therapy in patients with relapsed or refractory acute myeloid leukemia (AML) and is being developed as a frontline triplet therapy in newly diagnosed AML. The Company's small molecule cancer therapeutics pipeline includes products designed to provide single agent efficacy and to enhance the efficacy of anti-cancer therapies and regimens without overlapping toxicities. Its Luxeptinib (LUX) is being developed for the treatment of patients with certain B-cell malignancies, including chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), and certain non-Hodgkinâ€™s lymphomas (NHL) who are resistant or intolerant to conventional treatments.

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07-02	Hanmi Pharmaceutical Closes Acquisition of Aptose Biosciences	MT
06-30	Hanmi Pharm. Co., Ltd. completed the acquisition of remaining 80.07% stake in Aptose Biosciences Inc..	CI
06-15	Aptose Biosciences Inc. Presents Safety, Response and MRD Clinical Data from TUSCANY Phase 1/2 Clinical Trial of Tuspetinib Triplet Therapy in Newly Diagnosed AML	CI
06-15	Aptose Biosciences Updated Tuscany Trial Data Reported in Oral Presentation at EHA 2026	MT
05-29	Aptose Biosciences Says Acquisition by Hanmi Delayed Until June	MT
05-29	Aptose Biosciences says closing of arrangement with Hanmi Pharmaceutical further delayed	RE
05-14	Aptose Biosciences Inc. Reports Earnings Results for the First Quarter Ended March 31, 2026	CI
04-01	Aptose Shareholders Approve Acquisition By Hanmi Pharmaceutical in "Go Private" Transaction	MT
04-01	Aptose Biosciences Inc. Reports Earnings Results for the Full Year Ended December 31, 2025	CI
03-31	Aptose Biosciences Inc. - Shareholder/Analyst Call
03-31	Aptose Biosciences Inc. Auditor Raises 'Going Concern' Doubt	CI
03-23	Leading independent proxy advisory firm Glass Lewis endorses Aptose plan of arrangement	RE
03-23	Aptose Biosciences Brief: Independent Proxy Advisory Firm Glass Lewis Endorses Aptose Plan of Arrangement With Hanmi Pharmaceutical	MT

03-19	Leading independent proxy advisory firm ISS recommends Aptose Biosciences shareholders vote "for" proposed plan of arrangement with Hanmi Pharmaceutical	RE
03-19	Aptose Brief: Independent Proxy Advisory Firm ISS Recommends Aptose Shareholders Vote "FOR" Proposed Plan of Arrangement with Hanmi Pharmaceutical	MT
11/06/24	HC Wainwright Adjusts Price Target on Aptose Biosciences to $7 From $23, Maintains Buy Rating	MT
10/11/23	RBC Cuts Price Target on Aptose Biosciences to $18 From $23, Keeps Outperform, Speculative Risk	MT
11/08/23	Oppenheimer Adjusts Aptose Biosciences Price Target to $15 From $50, Maintains Outperform Rating	MT

07-01	Aptose Biosciences Announces Completion of Acquisition by Hanmi Pharmaceutical	AQ
06-15	Aptose Biosciences : 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 Presentation	PU
06-15	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 Presentation	AQ
05-29	Aptose Biosciences Announces Update on Anticipated Timing of Closing of the Plan of Arrangement with Hanmi Pharmaceutical	AQ
05-14	Aptose Biosciences: Q1 Earnings Snapshot	AQ

12-05	Tokenización: ¿Va a cambiar tanto la vida de los inversores?
12-05	Universo cripto: la tokenizzazione cambierà davvero la vita degli investitori?
09/09/23	Vastzetting: Ethereum scheert hoge toppen - cryptonieuws
08/09/23	Staking: Ethereum raggiunge nuove vette - Resoconto Cripto

Manager	Title	Age	Since
C. Payne DFI	Director of Finance/CFO	63	27/06/2022
Victor Montalvo-Lugo CTO	Chief Tech/Sci/R&D Officer	-	01/11/2019
Rafael Bejar CTO	Chief Tech/Sci/R&D Officer	54	01/01/2020

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Weighted average by Cap.	+0.10%	-4.24%	+32.01%	+56.04%