Aptose Biosciences Inc. (NASDAQ:APTO) Q4 2018 Earnings Conference Call March 12, 2019 5:00 PM ET Company Participants Susan Pietropaolo - SMP Communications William Rice - Chairman, President, and CEO Gregory Chow - SVP and CFO Conference Call Participants Mathew Bilger - Oppenheimer Gregory Renza - RBC Capital Markets Joe Pantginis - HC Wainwright John Newman - Canaccord Genuity Limited Operator Good afternoon. My name is Dillon and I’ll be your conference operator today. I would like to welcome everyone t ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018. ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-3200 APTOSE BIOSCIENCES INC. (Exact name of registrant as specified in its charter) Canada (State or other jurisdiction of incorporation or organization) 98-1136802 (I.R.S. Employer ...