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
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2021

Commission File Number: 001-36532

SPHERE 3D CORP.

895 Don Mills Road, Bldg. 2, Suite 900
Toronto, Ontario, M3C1W3, Canada
(Address of principal executive offices) 

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

Form 20-F  ☒            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):  ☐

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):  ☐

The information contained in this Form 6-K is incorporated by reference into, or as additional exhibits to, as applicable, the registrant's outstanding registration statements.

SUBMITTED HEREWITH

Exhibits
99.1	News Release dated May 27, 2021

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, thereunto duly authorized.

	SPHERE 3D CORP.
Date: May 27,  2021	/s/ Peter Tassiopoulos
	Name: Peter Tassiopoulos
	Title: Chief Executive Officer