---
schema_version: "secwatch.filing_event.v1"
accession: "0000936395-22-000055"
form_type: "8-K"
ticker: "CIEN"
cik: "0000936395"
company_name: "CIENA CORP"
filed_at: "2022-11-22T23:59:59+00:00"
generated_at: "2026-06-21T14:42:50.494932+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Ciena acquires Benu Networks, agrees to buy Tibit Communications for $210M

## Summary
- Acquired Benu Networks (cloud-native vBNG software) for undisclosed sum; closed in fiscal Q1 2023.
- Agreed to acquire remaining Tibit Communications shares for ~$210M cash, debt-free; close expected in fiscal Q1 2023.
- Tibit supplies open microplug OLT PON tech; Ciena was largest investor and customer.
- Acquisitions add 60+ engineers; target broadband access (residential, enterprise, fixed-wireless).

## SEC filing metadata
- accession: 0000936395-22-000055
- form_type: 8-K
- ticker: CIEN
- cik: 0000936395
- company_name: CIENA CORP
- filed_at: 2022-11-22T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/936395/000093639522000055/0000936395-22-000055-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936395/000093639522000055/cien-20221122.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000936395-22-000055
- JSON: https://secwatch.observer/filing/0000936395-22-000055.json
- Plain text: https://secwatch.observer/filing/0000936395-22-000055.txt

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