---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-005376"
form_type: "8-K"
ticker: "CMBMF"
cik: "0001738177"
company_name: "Cambium Networks Corp"
filed_at: "2024-01-18T23:59:59+00:00"
generated_at: "2026-06-06T21:59:33.480189+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Cambium Networks reports preliminary Q4 revenue ~$40M, below $45-50M outlook; CFO resigns

## Summary
- Revenue expected ~$40.0M vs prior outlook of $45.0-$50.0M (Nov 2, 2023).
- Net loss and gross margin expected below low end of prior GAAP and non-GAAP ranges.
- CFO Andrew Bronstein resigns eff. Feb 2, 2024; interim CFO John Becerril appointed.
- Full year 2024 revenue guidance of $215M-$245M provided.
- $11M revenue reduction for distributor incentives to clear inventory; cash ~$18M, no revolver draw.

## SEC filing metadata
- accession: 0000950170-24-005376
- form_type: 8-K
- ticker: CMBMF
- cik: 0001738177
- company_name: Cambium Networks Corp
- filed_at: 2024-01-18T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1738177/000095017024005376/0000950170-24-005376-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1738177/000095017024005376/cmbm-20240118.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-005376
- JSON: https://secwatch.observer/filing/0000950170-24-005376.json
- Plain text: https://secwatch.observer/filing/0000950170-24-005376.txt

## Key facts
- Earnings Releases
  Cambium Networks Corp reported full year 2024 results: revenue $215 million to $245 million. Guidance initiated.
  - Period: full year 2024
  - Revenue: $215 million to $245 million
  - Guidance: initiated
  - Result: guidance update
  source text: The company expect full year 2024 revenues of between $215 million to $245 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1738177/000095017024005376/0000950170-24-005376-index.htm
- Earnings Releases
  Cambium Networks Corp reported the fourth quarter 2023 ended December 31, 2023 results: revenue approximately $40.0 million. Guidance lowered.
  - Period: the fourth quarter 2023 ended December 31, 2023
  - Revenue: approximately $40.0 million
  - Guidance: lowered
  - Result: preliminary results
  source text: Cambium Networks expects revenues of approximately $40.0 million compared to the previous outlook of $45.0-$50.0 million provided on Nov. 2, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1738177/000095017024005376/0000950170-24-005376-index.htm
- Executive change
  Andrew Bronstein resigned as Chief Financial Officer at Cambium Networks Corp.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: On January 16, 2024, Andrew Bronstein, Chief Financial Officer of Cambium Networks Corporation (the “Company”) notified the Company that he will resign as the Company’s Chief Financial Officer, effective February 2, 2024, in order to pursue other opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1738177/000095017024005376/0000950170-24-005376-index.htm
- Executive change
  John Becerril was appointed as interim Acting Chief Financial Officer at Cambium Networks Corp.
  - Action: appointed
  - Role: interim Acting Chief Financial Officer
  source text: On January 18, 2024, the Board of Directors of the Company appointed John Becerril, age 57, as interim Acting Chief Financial Officer and principal financial officer for the period between Mr. Bronstein’s resignation effective February 2, 2024 and the commencement of employment of a new Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1738177/000095017024005376/0000950170-24-005376-index.htm

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