secwatch.observer — SEC 8-K summary
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Issuer:     CIENA CORP (CIEN)
CIK:        0000936395
Form:       8-K
Filed at:   2026-03-05T23:59:59+00:00
Accession:  0001628280-26-015006
Event type: earnings
Sentiment:  positive
Materiality: 0.85
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Ciena Q1 revenue $1.43B (+33% YoY); adjusted EPS $1.35 (+111% YoY); raises FY26 guidance
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- Revenue $1.43B, up 33% YoY; GAAP EPS $1.03, adjusted EPS $1.35, up 111% YoY.
- Q2 revenue guidance $1.5B ± $50M; FY26 revenue raised to $5.9B–$6.3B (midpoint +28% YoY).
- Adjusted gross margin 44.7% (flat YoY); adjusted op margin 17.9% (up 560 bps YoY).
- Adjusted EBITDA $287M, up 84% YoY; record Q1 backlog cited; AI-driven demand strong.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/936395/000162828026015006/0001628280-26-015006-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/936395/000162828026015006/cien-20260305.htm
  HTML page:      https://secwatch.observer/filing/0001628280-26-015006

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