---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-070009"
form_type: "8-K"
ticker: "RBBN"
cik: "0001708055"
company_name: "Ribbon Communications Inc."
filed_at: "2025-07-23T23:59:59+00:00"
generated_at: "2026-05-18T03:31:16.456889+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ribbon Q2 2025 revenue $221M (+15% YoY); Adj. EBITDA $32M, at high end of guidance

## Summary
- Revenue $221M vs $193M in Q2 2024; GAAP operating income $4M vs loss of $2M.
- Non-GAAP Adjusted EBITDA $32M (+47% YoY); Non-GAAP EPS $0.05 vs $0.05 (same).
- GAAP net loss $11M ($0.06 loss per share) vs loss of $17M ($0.10 loss).
- Announced $50M stock repurchase program; cash $62M including $2.3M buybacks YTD.
- Demand strong across Service Provider and Enterprise; expects seasonally stronger H2.

## SEC filing metadata
- accession: 0001104659-25-070009
- form_type: 8-K
- ticker: RBBN
- cik: 0001708055
- company_name: Ribbon Communications Inc.
- filed_at: 2025-07-23T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465925070009/0001104659-25-070009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708055/000110465925070009/tm2521478d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-070009
- JSON: https://secwatch.observer/filing/0001104659-25-070009.json
- Plain text: https://secwatch.observer/filing/0001104659-25-070009.txt

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