Certain Warrants of Aptose Biosciences Inc. are subject to a Lock-Up Agreement Ending on 25-APR-2024. These Warrants will be under lockup for 90 days starting from 26-JAN-2024 to 25-APR-2024.

Details:
The officers, directors and holders of more than 5.0% of our outstanding common shares have agreed that, for a period of 90 days from the date of this prospectus, they will not, subject to certain exceptions, offer, pledge, sell, contract to sell, sell any option, right or warrant to purchase, lend or otherwise transfer or dispose, directly or indirectly, any common shares or any securities convertible into or exercisable or exchangeable for shares of capital stock without the prior written consent of the underwriter.