APTO - Aptose Biosciences (APTO) Presents Corporate Update at EHA 2021 - Slideshow June, 18 2021 06:14 PM Aptose Biosciences Inc. The following slide deck was published by Aptose Biosciences Inc. in conjunction with this event. For further details see: Aptose Biosciences (APTO) Presents Corporate Update at EHA 2021 - Slideshow