---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-093438"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2023-04-06T23:59:59+00:00"
generated_at: "2026-06-17T05:35:43.742451+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Ciena reaffirms fiscal Q2 and FY 2023 guidance; no change to prior outlook

## Summary
- Reaffirms Q2 revenue $1,035M-$1,115M, adjusted gross margin low 40s%, adjusted op expense ~$335M.
- Reaffirms FY 2023 revenue growth 20-22%, adjusted gross margin 42-44%, adjusted op expense ~$330M/quarter.
- Also reaffirms demand environment and normalization of backlog/inventory dynamics.

## SEC filing metadata
- accession: 0001193125-23-093438
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2023-04-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/936395/000119312523093438/0001193125-23-093438-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000119312523093438/d475504d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-093438
- JSON: https://secwatch.observer/filing/0001193125-23-093438.json
- Plain text: https://secwatch.observer/filing/0001193125-23-093438.txt

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