secwatch.observer — SEC 8-K summary
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Issuer:     CIENA CORP (CIEN)
CIK:        0000936395
Form:       8-K
Filed at:   2026-09-03T11:07:42+00:00
Accession:  0001628280-26-060245
Event type: earnings
Sentiment:  positive
Materiality: 0.85
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Ciena Q3 FY26 revenue up 37% to $1.67B; adjusted EPS $2.11, up 215% YoY
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- Revenue $1.67B, up 37% YoY from $1.22B; GAAP EPS $1.83 vs $0.35 prior year.
- Adjusted EPS $2.11 vs $0.67 YoY; non-GAAP gross margin 46.4% vs 41.9%.
- Q4 FY26 guidance: revenue $1.75B ± $50M; non-GAAP operating margin ~20%.
- FY26 revenue guidance raised to $6.42B ± $50M, a 35% YoY increase at midpoint.
- CEO Gary Smith cites AI-driven network investment demand as key growth driver.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/936395/000162828026060245/0001628280-26-060245-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/936395/000162828026060245/cien-20260903.htm
  HTML page:      https://secwatch.observer/filing/0001628280-26-060245

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