---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-088719"
form_type: "8-K"
ticker: "RBBN"
cik: "0001708055"
company_name: "Ribbon Communications Inc."
filed_at: "2024-08-13T23:59:59+00:00"
generated_at: "2026-05-31T09:45:11.027885+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ribbon Communications CFO Mick Lopez to retire in Q4 2024; successor search underway

## Summary
- Miguel "Mick" Lopez, EVP and CFO, intends to retire after 40 years in tech industry.
- Ribbon has engaged an executive search firm to evaluate internal and external candidates.
- Lopez will continue as CFO until a successor is appointed.
- CEO Bruce McCleland cited Lopez's role in integrating Ribbon-ECI and refinancing capital structure.
- Retirement expected in Q4 2024, providing a transition period.

## SEC filing metadata
- accession: 0001104659-24-088719
- form_type: 8-K
- ticker: RBBN
- cik: 0001708055
- company_name: Ribbon Communications Inc.
- filed_at: 2024-08-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465924088719/0001104659-24-088719-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708055/000110465924088719/tm2421514d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-088719
- JSON: https://secwatch.observer/filing/0001104659-24-088719.json
- Plain text: https://secwatch.observer/filing/0001104659-24-088719.txt

## Key facts
- Executive change
  Miguel "Mick" Lopez departed as Executive Vice President, Chief Financial Officer at Ribbon Communications Inc..
  - Action: intends to retire
  - Role: Executive Vice President, Chief Financial Officer
  source text: On August 13, 2024, Ribbon Communications Inc. (“Ribbon” or the “Company”) announced that Miguel “Mick” Lopez, Executive Vice President, Chief Financial Officer, intends to retire from the Company after 40 years in the technology industry.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708055/000110465924088719/0001104659-24-088719-index.htm

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