---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-054481"
form_type: "8-K"
ticker: "CMBMF"
cik: "0001738177"
company_name: "Cambium Networks Corp"
filed_at: "2021-11-04T23:59:59+00:00"
generated_at: "2026-06-28T13:12:29.519031+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Cambium Q3 rev $75.9M (-18% QoQ); Q4 rev guide $73.5-77.5M

## Summary
- GAAP net income $4.6M ($0.16/dil) vs $5.6M ($0.21) YoY; non-GAAP net income $6.7M ($0.23) vs $7.8M ($0.29).
- Adj EBITDA $9.6M (12.6% revs) vs $11.4M (15.6%) YoY; revenue down 18% QoQ, up 4% YoY.
- Supply constraints hurt shipments; PMP rev $50.1M (+16% YoY), PTP $13.9M (-23%), Wi-Fi $10.7M (+8%).
- Q4 guidance: rev $73.5-77.5M, non-GAAP EPS $0.11-0.17, adj EBITDA margin 7.9%-10.1%.
- Cash $58.6M; debt paydown $27.1M; CEO cites strong demand but supply chain issues.

## SEC filing metadata
- accession: 0001564590-21-054481
- form_type: 8-K
- ticker: CMBMF
- cik: 0001738177
- company_name: Cambium Networks Corp
- filed_at: 2021-11-04T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1738177/000156459021054481/0001564590-21-054481-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1738177/000156459021054481/cmbm-8k_20211104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-054481
- JSON: https://secwatch.observer/filing/0001564590-21-054481.json
- Plain text: https://secwatch.observer/filing/0001564590-21-054481.txt

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