---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-085750"
form_type: "8-K"
ticker: "RBBN"
cik: "0001708055"
company_name: "Ribbon Communications Inc."
filed_at: "2025-08-29T23:59:59+00:00"
generated_at: "2026-05-17T09:14:21.484992+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ribbon Communications EVP Global Sales Dan Redington to depart Sept 30, 2025

## Summary
- Dan Redington, EVP Global Sales, will leave Ribbon effective Sept 30, 2025 to pursue other opportunities.
- Company plans to appoint a new head of Global Sales before the end of Q3 2025.
- No financial or operational impact disclosed; departure described as voluntary.

## SEC filing metadata
- accession: 0001104659-25-085750
- form_type: 8-K
- ticker: RBBN
- cik: 0001708055
- company_name: Ribbon Communications Inc.
- filed_at: 2025-08-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465925085750/0001104659-25-085750-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708055/000110465925085750/tm2524759d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-085750
- JSON: https://secwatch.observer/filing/0001104659-25-085750.json
- Plain text: https://secwatch.observer/filing/0001104659-25-085750.txt

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