---
schema_version: "secwatch.filing_event.v1"
accession: "0000936395-23-000030"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2023-08-31T23:59:59+00:00"
generated_at: "2026-06-11T01:45:08.828162+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Ciena Q3 revenue up 23% to $1.07B; adj. EPS $0.59 vs $0.33 YoY

## Summary
- Revenue $1.07B (+23% YoY); GAAP net income $29.7M ($0.20 EPS) vs $10.5M ($0.07).
- Adj. net income $89.1M ($0.59 EPS) vs $49.0M ($0.33); adj. gross margin 42.7% (+2.7pp).
- Repurchased ~1.4M shares for $61.2M; cash & investments $1.28B.
- Board appointed Mary G. Puma, former Axcelis CEO, to Class II directorship eff. Aug 30.

## SEC filing metadata
- accession: 0000936395-23-000030
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2023-08-31T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/936395/000093639523000030/0000936395-23-000030-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000093639523000030/cien-20230831.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000936395-23-000030
- JSON: https://secwatch.observer/filing/0000936395-23-000030.json
- Plain text: https://secwatch.observer/filing/0000936395-23-000030.txt

## Key facts
- Earnings Releases
  CIENA CORP reported fiscal third quarter ended July 29, 2023 results: revenue $1.07 billion, net income $29.7 million, EPS $0.20.
  - Period: fiscal third quarter ended July 29, 2023
  - Revenue: $1.07 billion
  - Net income: $29.7 million
  - EPS: $0.20
  - Result: reported results
  source text: For fiscal third quarter 2023, Ciena reported revenue of $1.07 billion as compared to $868.0 million for the fiscal third quarter 2022. Ciena's GAAP net income for the fiscal third quarter 2023 was $29.7 million, or $0.20 per diluted common share, which compares to a GAAP net income of $10.5 million, or $0.07 per diluted common share, for the fiscal third quarter 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/936395/000093639523000030/0000936395-23-000030-index.htm
- Executive change
  Mary G. Puma was appointed as Director at CIENA CORP.
  - Action: appointed
  - Role: Director
  source text: Effective August 30, 2023, the Board of Directors (the “Board”) of Ciena increased the size of the Board to ten directors and appointed Mary G. Puma to fill the newly created vacancy in Class II of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/936395/000093639523000030/0000936395-23-000030-index.htm

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