Company: ANY
Filing Date: 2025-03-28
Form Type: PRE 14A
Source: 0001628280-25-015485
Chunk: 4

Company: Sphere 3D Corp.
Filing Date: 2025-03-28
Form: PRE 14A
Chunk 4
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: (i) electronically over the Internet or (ii) by completing and returning your proxy card mailed to you together with this Proxy Statement (if requested and received by mail). Voting instructions can be found on your proxy card, vote authorization form or the Notice of Internet Availability of Proxy Materials. Please vote as promptly as possible in order to ensure your representation at the Meeting. Submitting your instructions by any of these methods will not affect your right to attend the Meeting.

#### DATED

#### as of the [●] day of April 2025

#### BY ORDER OF THE BOARD
Duncan McEwan

Chair of the Board of Directors

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#### Sphere 3D Corp.

#### 243 Tresser Boulevard, 17th Floor

#### Stamford, CT 06901

### PROXY STATEMENT AND MANAGEMENT INFORMATION CIRCULAR

#### April [●], 2025

#### General Information
The board of directors (the “ Board ”) of Sphere 3D Corp. (the “ Company ,” “ we ,” “ us ,” or “ our ”) is providing these proxy materials to you in connection with the solicitation by and on behalf of the management of the Company of proxies for use at its special and annual meeting of shareholders (the “ Meeting ”). The Meeting will be held by virtual electronic means only, on Thursday, May 29, 2025 at 11:30 a.m. Eastern Time or at any adjournment(s) or postponement(s) thereof, for the purposes set forth in the Notice of Special and Annual Meeting of Shareholders (the “ Notice of Meeting ”). This proxy statement and management information circular (the “ Proxy Statement ”) summarizes the information that you will need to know to vote in an informed manner.

The Meeting will be a virtual meeting via a live webcast on the Internet. You will be able to attend the Meeting, vote and submit questions during the Meeting by (i) visiting https://virtual-meetings.tsxtrust.com/en/1781; (ii) entering the password: sphere3d2025 (case sensitive); and (iii) entering the control number included in the Notice of Internet Availability of Proxy Materials or proxy card that you receive. Detailed instructions for attending and voting at the Meeting can be found below under “ Voting at the Meeting .” For purposes of attendance at the Meeting, all references in this Proxy Statement to “present in person” or “in person” shall mean virtually