Sphere 3D (ANY) director Sue Harnett receives 74,074 RSU equity award

Rhea-AI Filing Summary

Harnett Sue reported acquisition or exercise transactions in this Form 4 filing.

Sphere 3D Corp. director Sue Harnett received a new equity award in the form of restricted stock units. On March 4, 2026, she was granted 74,074 RSUs, each representing a contingent right to receive one share of Sphere 3D common stock. After this award, she directly holds 86,704 RSUs, which also include a prior RSU grant for 12,630 shares that vests in full on May 29, 2026. The earlier RSU grant has been adjusted to reflect the company’s 1-for-10 reverse stock split effective February 9, 2026.

SEC Form 4

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Harnett Sue

(Last) (First) (Middle)

C/O SPHERE 3D CORP.

243 TRESSER BLVD., 17TH FLOOR

(Street)

STAMFORD CT 06901

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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

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)	03/04/2026		A		74,074		03/04/2027	03/04/2027	Common Stock	74,074	(1)	86,704(2)	D

Explanation of Responses:

1. Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock.

2. In addition to the 3/4/2026 RSU, the RSUs reported under Column 9 also include a RSU for 12,630 shares which vest in full on May 29, 2026. The RSU has been adjusted to reflect the issuer's 1 for 10 reverse stock split effective February 9, 2026

	By: Denise Garrett For: Sue Harnett	03/09/2026
	** 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.

FAQ

What insider transaction did Sphere 3D (ANY) report for Sue Harnett?

Sphere 3D reported that director Sue Harnett received a grant of 74,074 restricted stock units on March 4, 2026. These RSUs are a stock-based compensation award rather than an open-market purchase or sale of existing shares.

How many Sphere 3D (ANY) RSUs does Sue Harnett hold after this Form 4?

After the March 4, 2026 grant, Sue Harnett directly holds 86,704 RSUs in total. This includes the 74,074 new RSUs and an existing RSU for 12,630 shares scheduled to vest in full on May 29, 2026.

What does each RSU granted to Sue Harnett by Sphere 3D (ANY) represent?

Each restricted stock unit granted to Sue Harnett represents a contingent right to receive one share of Sphere 3D Corp. common stock. The units typically convert into actual shares upon satisfying vesting conditions defined by the company.

How did Sphere 3D’s reverse stock split affect Sue Harnett’s prior RSUs?

Sphere 3D’s 1-for-10 reverse stock split effective February 9, 2026 led to an adjustment of Harnett’s earlier RSU grant for 12,630 shares. The footnote explains the RSU amount has been revised to reflect this reverse split.

When do some of Sue Harnett’s Sphere 3D (ANY) RSUs vest?

A previously granted RSU covering 12,630 Sphere 3D shares vests in full on May 29, 2026. This vesting date applies only to that specific RSU award, separate from the new 74,074-unit grant disclosed.