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- 3 Jan 23 Sphere 3D / Kurt L. Kalbfleisch ownership change
- 25 Aug 21 Initial statement of insider ownership
- 26 Nov 18 Sphere 3D / Joseph O'Daniel ownership change
- 29 Mar 18 Sphere 3D / VICTOR B MACFARLANE ownership change
- 23 Feb 18 Sphere 3D / STEPHEN C FREIDHEIM ownership change
- 29 Dec 17 Sphere 3D / Eric Kelly ownership change
- 29 Dec 17 Sphere 3D / Cheemin Bo-Linn ownership change
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