---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-050347"
form_type: "8-K"
ticker: "RBBN"
cik: "0001708055"
company_name: "Ribbon Communications Inc."
filed_at: "2023-04-26T23:59:59+00:00"
generated_at: "2026-06-16T13:10:10.879052+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Ribbon Communications Q1 revenue up 7% YoY to $186M; net loss narrows to $38M

## Summary
- Revenue $186M, up 7% YoY from $173M; GAAP net loss $38M vs $70M loss a year ago.
- Non-GAAP net loss $3M vs $12M; Non-GAAP adjusted EBITDA -$2M vs -$9M.
- IP Optical Networks sales up 13% YoY; Cloud & Edge Enterprise sales up 62%.
- Bookings in IP Optical Networks segment were 1.6x, driven by demand in India and EMEA.
- CEO maintains positive 2023 outlook; guidance reaffirmed.

## SEC filing metadata
- accession: 0001104659-23-050347
- form_type: 8-K
- ticker: RBBN
- cik: 0001708055
- company_name: Ribbon Communications Inc.
- filed_at: 2023-04-26T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465923050347/0001104659-23-050347-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708055/000110465923050347/tm2313778d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-050347
- JSON: https://secwatch.observer/filing/0001104659-23-050347.json
- Plain text: https://secwatch.observer/filing/0001104659-23-050347.txt

## Key facts
- Earnings Releases
  Ribbon Communications Inc. reported the first quarter of 2023 results: revenue $186 million, net income $(38), EPS $(0.23). Guidance reaffirmed.
  - Period: the first quarter of 2023
  - Revenue: $186 million
  - Net income: $(38)
  - EPS: $(0.23)
  - Guidance: reaffirmed
  - Result: reported results
  source text: Revenue for the first quarter of 2023 was $186 million, compared to $173 million for the first quarter of 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708055/000110465923050347/0001104659-23-050347-index.htm

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