---
schema_version: "secwatch.filing_event.v1"
accession: "0001062993-25-004755"
form_type: "8-K"
ticker: "ANY"
cik: "0001591956"
company_name: "Sphere 3D Corp."
filed_at: "2025-03-06T23:59:59+00:00"
generated_at: "2026-05-25T05:59:42.132381+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Sphere 3D CEO Patricia Trompeter passes away; CFO Kalbfleisch remains acting CEO

## Summary
- CEO Patricia Trompeter passed away March 4, 2025 after battle with cancer.
- CFO Kurt Kalbfleisch, who was interim CEO since Jan 31, continues in acting CEO role.
- Trompeter joined in 2021 as director, became CEO in 2022; named to Forbes 50 Over 50 in 2023.
- Company to continue operations focusing on strategic partnerships and acquisitions under Kalbfleisch.

## SEC filing metadata
- accession: 0001062993-25-004755
- form_type: 8-K
- ticker: ANY
- cik: 0001591956
- company_name: Sphere 3D Corp.
- filed_at: 2025-03-06T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1591956/000106299325004755/0001062993-25-004755-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1591956/000106299325004755/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001062993-25-004755
- JSON: https://secwatch.observer/filing/0001062993-25-004755.json
- Plain text: https://secwatch.observer/filing/0001062993-25-004755.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.