---
schema_version: "secwatch.filing_event.v1"
accession: "0000936395-23-000009"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2023-03-06T23:59:59+00:00"
generated_at: "2026-06-18T12:37:19.206425+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ciena Q1 FY2023 revenue $1.06B (+25% YoY); GAAP EPS $0.51, adj. EPS $0.64

## Summary
- Revenue $1.06B (+25% YoY); GAAP net income $76.2M ($0.51/diluted), adjusted $95.6M ($0.64).
- GAAP gross margin 43.2% (down 2.3pp YoY); adjusted gross margin 43.7% (down 2.5pp).
- Networking Platforms revenue $855.1M (80.9% of total); Converged Packet Optical up 36% to $735.6M.
- Cash used in operations $265.6M; cash & investments $1.2B; DSOs 103 days; inventory $1.18B.
- Two customers represented 25.7% of revenue; no specific forward guidance in release.

## SEC filing metadata
- accession: 0000936395-23-000009
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2023-03-06T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/936395/000093639523000009/0000936395-23-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000093639523000009/cien-20230306.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000936395-23-000009
- JSON: https://secwatch.observer/filing/0000936395-23-000009.json
- Plain text: https://secwatch.observer/filing/0000936395-23-000009.txt

## Key facts
- Earnings Releases
  CIENA CORP reported fiscal first quarter ended January 28, 2023 results: revenue $1.06 billion, net income GAAP net income of $76.2 million, or $0.51 per diluted common share, EPS $0.51 GAAP; $0.64 adjusted (non-GAAP).
  - Period: fiscal first quarter ended January 28, 2023
  - Revenue: $1.06 billion
  - Net income: GAAP net income of $76.2 million, or $0.51 per diluted common share
  - EPS: $0.51 GAAP; $0.64 adjusted (non-GAAP)
  - Result: reported results
  source text: CIEN), a networking systems, services and software company, today announced unaudited financial results for its fiscal first quarter ended January 28, 2023. • Q1 Revenue : $1.06 billion • Q1 Net Income per Share: $0.51 GAAP; $0.64 adjusted (non-GAAP) "We delivered record revenue in the first quarter, reflecting continued gradual improvement in the supply chain
  evidence_url: https://www.sec.gov/Archives/edgar/data/936395/000093639523000009/0000936395-23-000009-index.htm

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