---
schema_version: "secwatch.filing_event.v1"
accession: "0000936395-22-000049"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2022-09-01T23:59:59+00:00"
generated_at: "2026-06-23T18:20:28.123572+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Ciena Q3 revenue down 12% YoY to $868M; adjusted EPS $0.33 vs $0.92; cites supplier shortages

## Summary
- Revenue $868.0M, down 12.2% YoY from $988.1M; GAAP EPS $0.07 vs $1.52 (prior year had $124.2M tax benefit).
- Adjusted (non-GAAP) net income $49.0M ($0.33/diluted share) vs $144.9M ($0.92) a year ago.
- GAAP gross margin fell to 39.3% from 48.0%; adjusted gross margin 40.0% vs 48.5%.
- CEO cites late delivery and substantially lower-than-committed volumes from a small number of suppliers.
- Repurchased 3.2M shares for $155M during the quarter; cash and investments $1.3B.

## SEC filing metadata
- accession: 0000936395-22-000049
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2022-09-01T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/936395/000093639522000049/0000936395-22-000049-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000093639522000049/a8-k2022q3earningsrelease.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000936395-22-000049
- JSON: https://secwatch.observer/filing/0000936395-22-000049.json
- Plain text: https://secwatch.observer/filing/0000936395-22-000049.txt

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