---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-054927"
form_type: "8-K"
ticker: "RBBN"
cik: "0001708055"
company_name: "Ribbon Communications Inc."
filed_at: "2025-05-30T23:59:59+00:00"
generated_at: "2026-05-20T04:32:34.490929+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# RBBN shareholders approve 150M share increase, new equity plan at annual meeting

## Summary
- Authorized common stock increased by 150M shares to 390M total, effective May 29, 2025.
- 2025 Incentive Award Plan approved: 14M new shares plus ~2.2M carryover from prior plan.
- 95% of outstanding shares (167.8M) voted; all 8 director nominees elected with >97% support.
- Deloitte & Touche ratified as auditor, say-on-pay passed, each with >98% of votes cast.
- New plan replaces 2019 plan; permits RSUs, options, SARs, and other equity awards.

## SEC filing metadata
- accession: 0001104659-25-054927
- form_type: 8-K
- ticker: RBBN
- cik: 0001708055
- company_name: Ribbon Communications Inc.
- filed_at: 2025-05-30T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 5.07, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465925054927/0001104659-25-054927-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708055/000110465925054927/tm2516554d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-054927
- JSON: https://secwatch.observer/filing/0001104659-25-054927.json
- Plain text: https://secwatch.observer/filing/0001104659-25-054927.txt

## Key facts
- Governance Changes
  Ribbon Communications Inc.: Increased authorized shares of common stock from 240 million to 390 million (effective 2025-05-29).
  - Change: charter amendment
  - Effective: 2025-05-29
  source text: At the Annual Meeting, as described below under Item 5.07 below, the stockholders of the Company approved an amendment to the Company’s Restated Certificate of Incorporation, as amended (the “Restated Certificate of Incorporation”) to increase the number of authorized shares of its common stock, par value $0.0001 per share, by 150 million shares to a total of 390 million shares (the “Amendment”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708055/000110465925054927/0001104659-25-054927-index.htm

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