---
schema_version: "secwatch.filing_event.v1"
accession: "0000936395-22-000058"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2022-12-08T23:59:59+00:00"
generated_at: "2026-06-21T07:54:57.271545+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ciena Q4 revenue $971M, down 6.8% YoY; GAAP EPS $0.39, adjusted $0.61; sees FY23 growth

## Summary
- Q4 revenue $971M, below prior year $1.04B; FY2022 revenue $3.63B flat YoY.
- GAAP net income $57.6M ($0.39/share) vs $103.5M ($0.66) prior year; adjusted $90.9M ($0.61).
- Converged Packet Optical revenue $649.9M (66.9% of total) vs $754.6M; Routing & Switching $102.8M.
- GAAP gross margin 44.7% (down 110bps YoY); adjusted gross margin 45.2%.
- CEO expects outsized revenue growth in FY2023 driven by strong backlog and gradual supply improvements.

## SEC filing metadata
- accession: 0000936395-22-000058
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2022-12-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/936395/000093639522000058/0000936395-22-000058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000093639522000058/cien-20221208.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000936395-22-000058
- JSON: https://secwatch.observer/filing/0000936395-22-000058.json
- Plain text: https://secwatch.observer/filing/0000936395-22-000058.txt

## Key facts
- Earnings Releases
  CIENA CORP reported fiscal fourth quarter 2022 results: revenue $971.0 million, net income $57.6 million, EPS $0.39 per diluted common share.
  - Period: fiscal fourth quarter 2022
  - Revenue: $971.0 million
  - Net income: $57.6 million
  - EPS: $0.39 per diluted common share
  - Result: reported results
  source text: For fiscal fourth quarter 2022, Ciena reported revenue of $971.0 million as compared to $1.04 billion for the fiscal fourth quarter 2021. For fiscal year 2022, Ciena reported revenue of $3.63 billion, as compared to $3.62 billion for fiscal year 2021. Ciena's GAAP net income for the fiscal fourth quarter 2022 was $57.6 million, or $0.39 per diluted common share
  evidence_url: https://www.sec.gov/Archives/edgar/data/936395/000093639522000058/0000936395-22-000058-index.htm

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