Aptose Biosciences Inc.https://pcaobus.org/form-ap-filings/53320/53320Aptose Biosciences Inc.533203/26/2020 2:51:37 PM20195549fa5e-512f-4341-8e07-12066707b4ed85KPMG LLP44696Aptose Biosciences Inc.882361APTO; APS.0008512829Paola Cipolla0008512829True