secwatch / observer
8-K filed June 3, 2026, 5:08 PM ET ticker ANY CIK 0001591956
M&A confidence high sentiment neutral materiality 0.80

Sphere 3D completes acquisition of Cathedra Bitcoin; Block appointed CEO, board reconstituted

Sphere 3D Corp.

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Departed

Duncan McEwan

Director
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Duncan McEwan and Susan Harnett resigned from the board of directors of Sphere
Appointed

Kurt Kalbfleisch

Director
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
Appointed

Joel Block

Chief Executive Officer
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Joel Block, age 42, was appointed Sphere's Chief Executive Officer effective as of the Closing Date
Appointed

Nicholas Gates

Director
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
Appointed

Timothy Hanley

Chairman
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Timothy Hanley, has been appointed Chairman
Appointed

Joel Block

Director
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
Appointed

Marcus Dent

Director
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
Departed

Susan Harnett

Director
ANY · Sphere 3D Corp.
Effective
2026-06-01
Filed
June 3, 2026, 5:08 PM ET
Duncan McEwan and Susan Harnett resigned from the board of directors of Sphere

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Duncan McEwan resigned as director at Sphere 3D Corp..

Action
resigned
Exact text from the filing
Duncan McEwan and Susan Harnett resigned from the board of directors of Sphere
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Kurt Kalbfleisch was appointed as director at Sphere 3D Corp..

Action
appointed
Exact text from the filing
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Joel Block was appointed as Chief Executive Officer at Sphere 3D Corp..

Action
appointed
Role
Chief Executive Officer
Exact text from the filing
Joel Block, age 42, was appointed Sphere's Chief Executive Officer effective as of the Closing Date
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Nicholas Gates was appointed as director at Sphere 3D Corp..

Action
appointed
Exact text from the filing
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Timothy Hanley was appointed as Chairman at Sphere 3D Corp..

Action
appointed
Role
Chairman
Exact text from the filing
Timothy Hanley, has been appointed Chairman
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Joel Block was appointed as director at Sphere 3D Corp..

Action
appointed
Exact text from the filing
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Marcus Dent was appointed as director at Sphere 3D Corp..

Action
appointed
Exact text from the filing
Kurt Kalbfleisch, Marcus Dent, Joel Block and Nicholas Gates have been appointed to the Sphere Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 0.95

Susan Harnett resigned as director at Sphere 3D Corp..

Action
resigned
Exact text from the filing
Duncan McEwan and Susan Harnett resigned from the board of directors of Sphere
View on SEC.gov

Sphere 3D Corp. filing history →

Source: SEC EDGAR
accession 0001062993-26-003037
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