---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-178029"
form_type: "8-K"
ticker: "CMBMF"
cik: "0001738177"
company_name: "Cambium Networks Corp"
filed_at: "2025-08-11T23:59:59+00:00"
generated_at: "2026-05-17T15:34:35.225300+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Cambium Networks restates FY2022-2023 audited and six quarterly reports due to revenue errors

## Summary
- Non-reliance on FY2022 and FY2023 audited financials and quarterly reports from Q1 2023 to Q3 2024.
- Errors in variable consideration estimates (sales returns, customer rebates) under ASC 606.
- 2024 10-K and Q1 2025 10-Q unfiled; Q2 2025 10-Q will not be timely filed.
- Disclosure controls and ICFR ineffective since Sept 2024; additional material weaknesses possible.
- No willful misconduct found; restatement review ongoing with Grant Thornton and KPMG.

## SEC filing metadata
- accession: 0001193125-25-178029
- form_type: 8-K
- ticker: CMBMF
- cik: 0001738177
- company_name: Cambium Networks Corp
- filed_at: 2025-08-11T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 2.02, 4.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1738177/000119312525178029/0001193125-25-178029-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1738177/000119312525178029/cmbm-20250807.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-178029
- JSON: https://secwatch.observer/filing/0001193125-25-178029.json
- Plain text: https://secwatch.observer/filing/0001193125-25-178029.txt

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