Aptose Biosciences (APTO) 8-K Aptose Announces Pricing of Public Offering of Common Shares

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

May 30, 2019

(Date of Report – date of earliest event reported)

Aptose Biosciences Inc.

(Exact Name of Registrant as Specified in Its Charter)

Canada	001-32001	98-1136802
(State or Other Jurisdiction of Incorporation or Organization)	(Commission File Number)	(I.R.S. Employer Identification No.)
251 Consumers Road, Suite 1105 Toronto, Ontario M2J 4R3 Canada		M2J 4R3
(Address of Principal Executive Offices)		(Zip Code)

(647)479-9828

(Registrant’s Telephone Number, Including Area Code)

Check the appropriate box below if theForm 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 toRule 14a-12 under the Exchange Act (17 CFR240.14a-12)

☐ Pre-commencement communications pursuant toRule 14d-2(b) under the Exchange Act (17 CFR240.14d-2(b))

☐ Pre-commencement communications pursuant toRule 13e-4(c) under the Exchange Act (17 CFR240.13e-4(c))

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 Rule12b-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.  ☐

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares, no par value	APTO	The Nasdaq Capital Market

Item 1.01 Entry into a Material Definitive Agreement.

On May 30, 2019, Aptose Biosciences Inc. entered into an Underwriting Agreement (the “Underwriting Agreement”) with RBC Capital Markets, LLC and Canaccord Genuity LLC, as representatives of the underwriters identified therein (collectively, the “Underwriters”), pursuant to which Aptose agreed to issue and sell 10,000,000 common shares at a public offering price of $1.85 per common share (the “Offering”). Under the terms of the Underwriting Agreement, Aptose granted the Underwriters a30-day option to purchase up to an additional 1,500,000 common shares to cover over-allotments, if any. Aptose expects to receive approximately $17,205,000 in net proceeds from the Offering (excluding the over-allotment option), after deducting underwriting discounts and commissions and estimated offering expenses. The common shares are being offered and sold pursuant to the Company’s effective registration statement on FormS-3 (RegistrationNo. 333-230218), which was declared effective by the Securities Exchange Commission (the “SEC”) on April 25, 2019, and the base prospectus included therein, as amended and supplemented by the preliminary prospectus supplement filed with the SEC on May 29, 2019, and the final prospectus supplement which will be filed with the SEC. The Offering is expected to close on or about June 3, 2019, subject to satisfaction of customary closing conditions.

The above description of the Underwriting Agreement is qualified in its entirety by the Underwriting Agreement, which is attached to this report as Exhibit 1.1 and which is incorporated by reference into the Registration Statement

Item 8.01. Other Events.

In connection with the Offering, Aptose is filing a legal opinion and consent as Exhibit 5.1 and Exhibit 23.1 to this report, which are incorporated by reference into the Registration Statement. In addition, on May 30, 2019, Aptose issued a press release announcing that it had priced the Offering, which press release is filed as Exhibit 99.1 to this report and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit 1.1	Underwriting Agreement, dated May 30, 2019 among Aptose Biosciences Inc., RBC Capital Markets, LLC and Canaccord Genuity LLC
Exhibit 5.1	Opinion of McCarthy Tetrault LLP
Exhibit 23.1	Consent of McCarthy Tetrault LLP (included in Exhibit 5.1)
Exhibit 99.1	Press Release, dated May 30, 2019

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SIGNATURES

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.

Date:    May 30, 2019

APTOSE BIOSCIENCES INC.
By:	/s/ Gregory K. Chow
Name:	Gregory K. Chow
Title:	Senior Vice President & Chief Financial Officer

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