secwatch.observer — SEC 8-K summary
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Issuer:     CIENA CORP (CIEN)
CIK:        0000936395
Form:       8-K
Filed at:   2023-12-07T23:59:59+00:00
Accession:  0000936395-23-000041
Event type: earnings
Sentiment:  positive
Materiality: 0.75
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Ciena Q4 revenue $1.13B, up 16% YoY; GAAP EPS $0.62, adjusted $0.75; annual rev up 21%
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- Q4 revenue $1.13B (vs $971M prior year); GAAP net income $91.2M ($0.62/share), adjusted net income $111.2M ($0.75/share).
- Fiscal 2023 revenue $4.39B, up 20.8% YoY; GAAP EPS $1.71, adjusted EPS $2.72.
- Optical Networking segment revenue $748M (66.2% of total); Routing and Switching $129M (11.4%).
- Repurchased ~4.2M shares for $188.8M during Q4; cash and investments ended at $1.25B.
- Two customers combined for 29.7% of Q4 revenue; headcount 8,483.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/936395/000093639523000041/0000936395-23-000041-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/936395/000093639523000041/cien-20231206.htm
  HTML page:      https://secwatch.observer/filing/0000936395-23-000041

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer