---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-033957"
form_type: "8-K"
ticker: "RBBN"
cik: "0001708055"
company_name: "Ribbon Communications Inc."
filed_at: "2024-03-13T23:59:59+00:00"
generated_at: "2026-06-04T22:24:29.324550+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Ribbon Communications sets 2024 annual meeting for June 4; updates proposal deadlines

## Summary
- 2024 annual meeting scheduled for June 4, 2024; more than 30 days from 2023 meeting.
- Deadline for stockholder proposals under bylaws: March 23, 2024.
- Deadline for Rule 14a-8 proposals for proxy inclusion: March 28, 2024.
- Notices must be sent to Patrick Macken, Secretary, at Plano, TX address.
- Universal proxy rules compliance required for soliciting support for non-company nominees.

## SEC filing metadata
- accession: 0001104659-24-033957
- form_type: 8-K
- ticker: RBBN
- cik: 0001708055
- company_name: Ribbon Communications Inc.
- filed_at: 2024-03-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.08, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465924033957/0001104659-24-033957-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708055/000110465924033957/tm248695d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-033957
- JSON: https://secwatch.observer/filing/0001104659-24-033957.json
- Plain text: https://secwatch.observer/filing/0001104659-24-033957.txt

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