---
schema_version: "secwatch.filing_event.v1"
accession: "0000936395-22-000016"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2022-02-15T23:59:59+00:00"
generated_at: "2026-06-27T08:13:44.854091+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ciena pre-announces Q1 revenue $840-850M, below guidance; maintains FY2022 growth target of 11-13%

## Summary
- Revenue expected $840-850M vs prior guidance of $870-910M due to late-quarter supply chain disruptions.
- Adjusted gross margin ~45-46%, at high end of prior 43-46% guidance.
- GAAP operating expense ~$324M; adjusted ~$290M, in line with guidance.
- Company reiterates FY2022 revenue growth guidance of 11-13% year-over-year.
- CEO cites 'unprecedented demand' but supply chain constraints reduced ability to fully mitigate.

## SEC filing metadata
- accession: 0000936395-22-000016
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2022-02-15T23:59:59+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/936395/000093639522000016/0000936395-22-000016-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000093639522000016/cien-20220215.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000936395-22-000016
- JSON: https://secwatch.observer/filing/0000936395-22-000016.json
- Plain text: https://secwatch.observer/filing/0000936395-22-000016.txt

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