Aptose Biosciences Inc.https://pcaobus.org/form-ap-filings/5374/5374Aptose Biosciences Inc.53744/5/2017 1:07:52 PM20168d4f32a4-1ef4-4c1e-829a-cb210128551985KPMG LLP44696Aptose Biosciences Inc.882361APTO; APS.0008513962Tammy Lynne Brown0008513962True