Aptose Biosciences Inc. upgraded to trade on OTCQB Market, in addition to TSX

From GlobeNewswire: 2025-07-01 08:00:00

Aptose Biosciences Inc. has been upgraded to list for trading on the OTCQB Market under the ticker “APTOF,” in addition to its listing on the Toronto Stock Exchange (TSX) under the symbol “APS.” This upgrade allows investors to access real-time quotes and market information on both platforms. Aptose is a clinical-stage precision oncology company developing a triple drug frontline therapy using tuspetinib (TUS) to treat newly diagnosed acute myeloid leukemia (AML). The company focuses on developing precision medicines for oncology, with a lead clinical-stage oral kinase inhibitor showing promising activity in AML patients.



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