8-K current report · filed Apr 15, 2026

Ribbon Communications Inc. (RBBN) 8-K Current Report: April 15, 2026

Item 5.02Item EX-99.1RBBN overview

Short answer

Ribbon Communications Inc. (RBBN) filed an 8-K current report with the SEC on April 15, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers), Item EX-99.1 (Exhibit EX-99.1). Board expanded to nine members with Louis Silver appointed through the 2026 Annual Meeting.

Ribbon Communications Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 5.02 · Departure/Election of Directors or Officers

  • Board expanded to nine members with Louis Silver appointed through the 2026 Annual Meeting
  • Swarth Stockholders designated Silver under the 2020 Stockholders Agreement, reinforcing shareholder influence over board composition
  • Silver brings over 25 years of technology-investment board experience and current Nasdaq audit-committee leadership
  • Director compensation includes $60,000 annual retainer plus $170,000 value in restricted share units, prorated
  • Expected committee appointments will trigger additional annual retainers and potentially strengthen board oversight capabilities

Item EX-99.1 · Exhibit EX-99.1

  • Louis Silver appointed to Ribbon’s Board, expanding oversight and technology-sector expertise
  • Board grows to nine members, including six independent directors
  • Swarth Investments’ board-designee right drove the appointment under the amended stockholders agreement
  • Silver brings over 25 years of public and private company board experience
  • Existing Ceva audit committee leadership adds finance, governance, and regulatory expertise

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