Company: ANY
Filing Date: 2025-11-21
Form Type: S-3
Source: 0001062993-25-016980
Chunk: 0

Company: Sphere 3D Corp.
Filing Date: 2025-11-21
Form: S-3
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on November 21, 2025</div>

Registration No. 333-

<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-3

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

Sphere 3D Corp.

(Exact name of registrant as specified in its charter)</div>

| Ontario, Canada                 |     | 98-1220792            |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer      
 Identification Number |

<div align='center'>243 Tresser Blvd., 17th Floor

Stamford, CT 06901

(Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)

CCS Global Solutions, Inc.
500 Seventh Avenue, Office 12B101
(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

M. Ali Panjwani, Esq.

Pryor Cashman LLP

7 Times Square

New York, New York 10036</div>

Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this Registration Statement

If only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ☒

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the