Stephen J. McCaffery's Ownership in Ribbon Communications Inc.

Stephen J. McCaffery, EVP of Global Sales at Ribbon Communications Inc., reported ownership of 87,200 shares of common stock as of October 20, 2025. The filing, submitted on October 27, 2025, indicates that McCaffery holds these shares directly. This Form 3 filing provides transparency into the ownership stakes of key executives within the company, which is essential for investors and regulatory compliance.