TEEKAY TANKERS LTD. — Proxy Solicitation & Information Statement 2013

May 6, 2013

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

Date of report: May 6, 2013

Commission file number 1-33867

TEEKAY TANKERS LTD.

(Exact name of Registrant as specified in its charter)

4 th Floor, Belvedere Building

69 Pitts Bay Road

Hamilton, HM 08 Bermuda

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F x Form 40- F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1).

Yes ¨ No x

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7).

Yes ¨ No x

Item 1 - Information Contained in this Form 6-K Report

Attached as Exhibit I is a copy of the 2013 Proxy Statement of Teekay Tankers Ltd. (the “Company”), dated May 3, 2013.

THIS REPORT ON FORM 6-K IS HEREBY INCORPORATED BY REFERENCE INTO THE FOLLOWING REGISTRATION STATEMENTS OF THE COMPANY.

• REGISTRATION STATEMENT ON FORM S-8 (NO. 333-148055) FILED WITH THE SEC ON DECEMBER 13, 2007; AND

• REGISTRATION STATEMENT ON FORM F-3 (NO. 333-174216) FILED WITH THE SEC ON MAY 13, 2011.

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, thereunto duly authorized.

Date: May 6, 2013
By:	/s/ Vincent Lok
	Vincent Lok Chief Financial
Officer (Principal Financial and Accounting Officer)