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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

 

Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported): June 16, 2025

 

APTOSE BIOSCIENCES INC.

(Exact name of registrant as specified in its charter)

 

Canada 001-32001 98-1136802
(State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.)

 

66 Wellington Street West, Suite 5300

TD Bank Tower, Box 48

Toronto, Ontario M5K 1E6

Canada

(Address of Principal Executive Offices) (Zip Code)

 

(647) 479-9828

(Registrant's telephone number, including area code)

 

 

(Former name or former address, if changed since last report)

_______________________________

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class Trading Symbol(s) Name of each exchange on which registered
None N/A N/A

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

 

Emerging growth company

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 

 

 

 

 

Item 5.02. Departure of Director or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Agreements of Certain Officers.

 

On June 16, 2025, Carol Ashe notified the Board of Directors (the “Board”) of Aptose Biosciences Inc. (the “Company”) of her intention to resign from her role as a member of the Board effective immediately. Ms. Ashe’s decision to resign was not the result of any disagreement with the Company on any matters relating to the Company’s operations, policies or practices. The Company thanks Ms. Ashe for her valuable contributions during her tenure as member of the Board and wishes her every success in her future endeavors.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIGNATURE

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

  Aptose Biosciences Inc.
     
     
Date: June 18, 2025 By: /s/ William G. Rice, Ph.D.
    William G. Rice, Ph.D.
    Chairman, President, and Chief Executive Officer