---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-005762"
form_type: "8-K"
ticker: "CMBMF"
cik: "0001738177"
company_name: "Cambium Networks Corp"
filed_at: "2022-04-18T23:59:59+00:00"
generated_at: "2026-06-26T06:56:22.903946+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Cambium Networks appoints Andrew Bronstein as CFO; Stephen Cumming departs

## Summary
- Stephen Cumming steps down as CFO effective April 13, 2022; departure not due to disagreement with auditors or management.
- Andrew Bronstein appointed CFO; previously Operating Partner at Vector Capital and CFO at Cheetah Digital.
- Bronstein receives $400k base salary, 70% target cash incentive (2022 minimum payout), equity: 200k options + 40k RSUs.
- New CFO has over 30 years experience in finance, supply chain, and software monetization.

## SEC filing metadata
- accession: 0000950170-22-005762
- form_type: 8-K
- ticker: CMBMF
- cik: 0001738177
- company_name: Cambium Networks Corp
- filed_at: 2022-04-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1738177/000095017022005762/0000950170-22-005762-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1738177/000095017022005762/cmbm-20220413.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-005762
- JSON: https://secwatch.observer/filing/0000950170-22-005762.json
- Plain text: https://secwatch.observer/filing/0000950170-22-005762.txt

## Key facts
- Executive change
  Andrew Bronstein was appointed as Chief Financial Officer at Cambium Networks Corp.
  - Action: appointed
  - Role: Chief Financial Officer
  source text: appointed Andrew Bronstein as Chief Financial Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1738177/000095017022005762/0000950170-22-005762-index.htm
- Executive change
  Stephen Cumming departed as Chief Financial Officer at Cambium Networks Corp.
  - Action: departure
  - Role: Chief Financial Officer
  source text: announced the departure of Stephen Cumming from his position as Chief Financial Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1738177/000095017022005762/0000950170-22-005762-index.htm

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