Upgrade to SI Premium - Free Trial

Form 4 Sphere 3D Corp. For: Mar 11 Filed by: Reppas Tiah Norton

March 13, 2026 8:22 PM
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: December 31, 2014
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Reppas Tiah Norton
(Last) (First) (Middle)
FIRST EXECUTIVE SUITES, 100 E SAN MARCOS
SUITE 400
(Street)
SAN MARCOS CA 92069
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Sphere 3D Corp. [ ANY ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Accounting Officer
3. Date of Earliest Transaction (Month/Day/Year)
03/11/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/11/2026 M 16,250 A (1) 18,634 D
Common Stock (2) 03/12/2026 S 6,250 D $ 1.61 12,384 (3) D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit (RSU) (1) 03/11/2026 M 16,250 03/01/2026 03/01/2026 Common Stock 16,250 (1) 90,000 (4) D
Explanation of Responses:
1. Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock.
2. This transaction represents the sale of shares by the reporting person to satisfy the issuer's tax withholding obligations in connection with the release of vested RSUs on March 11, 2026.
3. The common share balance has been adjusted to reflect the issuer's 1 for 10 reverse stock split effective February 9, 2026.
4. The RSUs reported under Column 9 include three awards. The underlying outstanding shares and vesting schedules are as follows: (i) 5,000 shares outstanding of which 1,250 shares vest quarterly from June 1, 2026 until March 1, 2027; (ii) 35,000 outstanding shares of which 5,000 shares vest quarterly from June 1, 2026 until December 1, 2027; and (iii) 50,000 outstanding shares which vest in full on March 4, 2027.
By: Denise Garrett For: Tiah Reppas 03/13/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

ATTACHMENTS / EXHIBITS

POWER OF ATTORNEY

Categories

SEC Filings