Based on data from the past 90 days ending February 19, 2026, Sphere 3D's three largest insider shareholders are Chief Executive Officer Kurt L. Kalbfleisch (55.90K shares), Ceo Patricia Trompeter (53.22K shares), Director Timothy P. Hanley (19.97K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Kurt L. Kalbfleisch | Chief Executive Officer | 55,896 | 10 Dec, 2025 |
| Patricia Trompeter | Ceo | 53,219 | 13 Dec, 2024 |
| Sue Harnett | 19,971 | 19 May, 2025 | |
| Timothy P. Hanley | 19,971 | 16 May, 2025 | |
| Joseph O'Daniel | President | 152 | 05 Dec, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 09 Dec, 2025 | Kurt L. Kalbfleisch | Common Stock | D | 90,000 | $0.47 | 55,896 | D | S |
| 08 Dec, 2025 | Kurt L. Kalbfleisch | Common Stock | A | 183,594 | - | 64,896 | D | M |
| 03 Sep, 2025 | Kurt L. Kalbfleisch | Common Stock | D | 85,010 | $0.61 | 46,537 | D | F |
| 03 Sep, 2025 | Kurt L. Kalbfleisch | Common Stock | A | 195,201 | - | 55,038 | D | M |
| 05 Jun, 2025 | Kurt L. Kalbfleisch | Common Stock | D | 134,406 | $0.74 | 35,518 | D | F |
| 05 Jun, 2025 | Kurt L. Kalbfleisch | Common Stock | A | 339,844 | - | 48,959 | D | M |
| 15 May, 2025 | Sue Harnett | Common Stock | A | 96,154 | - | 19,971 | D | M |
| 15 May, 2025 | Timothy P. Hanley | Common Stock | A | 96,154 | - | 19,971 | D | M |
| 15 May, 2025 | Timothy P. Hanley | - | - | 19,971 | D | |||
| 14 Mar, 2025 | Kurt L. Kalbfleisch | Common Stock | D | 4,212 | $0.49 | 14,974 | D | F |
| 14 Mar, 2025 | Kurt L. Kalbfleisch | Common Stock | A | 11,719 | - | 15,395 | D | M |
| 13 Dec, 2024 | Patricia Trompeter | Common Stock | D | 35,000 | $1.21 | 53,219 | D | S |
| 12 Dec, 2024 | Patricia Trompeter | Common Stock | D | 10,000 | $1.27 | 56,719 | D | S |
| 12 Dec, 2024 | Patricia Trompeter | - | - | 56,719 | D | |||
| 11 Dec, 2024 | Patricia Trompeter | - | - | 57,719 | D | |||
| 11 Dec, 2024 | Patricia Trompeter | Common Stock | D | 20,000 | $1.30 | 57,719 | D | S |
| 10 Dec, 2024 | Kurt L. Kalbfleisch | Common Stock | D | 6,000 | $1.31 | 14,223 | D | S |
| 10 Dec, 2024 | Kurt L. Kalbfleisch | Common Stock | A | 11,719 | - | 14,823 | D | M |
| 10 Dec, 2024 | Patricia Trompeter | - | - | 59,719 | D | |||
| 10 Dec, 2024 | Patricia Trompeter | Common Stock | D | 20,000 | $1.31 | 59,719 | D | S |