| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kalbfleisch Kurt L. | Chief Executive Officer | C/O SPHERE 3D CORP., 243 TRESSER BLVD., 17TH FLOOR, STAMFORD | By: Denise Garrett For: Kurt Kalbfleisch | 10 Dec 2025 | 0001409130 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ANY | Common Stock | Options Exercise | +183,594 | +39% | 648,964 | 08 Dec 2025 | Direct | F1 | ||
| transaction | ANY | Common Stock | Sale | $41,922 | -90,000 | -14% | $0.4658 | 558,964 | 09 Dec 2025 | Direct | F2 |
| holding | ANY | Common Stock | 2,142 | 08 Dec 2025 | By Daughter | ||||||
| holding | ANY | Common Stock | 2,142 | 08 Dec 2025 | By Son |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ANY | Restricted Stock Unit (RSU) | Options Exercise | -183,594 | -16% | 976,561 | 08 Dec 2025 | Common Stock | 183,594 | Direct | F1, F3, F4 |
| Id | Content |
|---|---|
| F1 | Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock. |
| F2 | 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 December 8, 2025. |
| F3 | 11,719 RSUs vested on September 30, 2025, 78,125 RSUs vested on September 30, 2025 and 93,750 RSUs vested on December 1, 2025. |
| F4 | The RSUs reported under Column 9 include three awards. The underlying shares and vesting schedules are as follows: (i) 78,125 shares vest each quarter beginning 12/31/2025 until 12/31/2026; (ii) 11,719 shares vest on 12/31/2025 and 11,717 shares vest on 3/31/2026; and (iii) 93,750 shares vest each quarter from 3/1/2025 until 6/1/2027. |