Ribbon Communications Inc. filings document public-company reporting for a Nasdaq-listed provider of communications software, IP routing and optical networking solutions. Current Reports on Form 8-K record quarterly and annual financial-result releases, exhibits furnished with earnings announcements, and leadership or board changes under Item 5.02.
Ribbon’s proxy materials describe annual meeting matters, board composition, governance arrangements and stockholder voting items. The filing record also identifies the company’s common stock, par value $0.0001, listed on the Nasdaq Global Select Market under RBBN, and connects formal disclosures to its service provider, enterprise, critical infrastructure, government and defense customer categories.
Ribbon Communications EVP and CFO John Raymond Townsend exercised Restricted Stock Units into 25,641 shares of Common Stock on April 15, 2026. The company withheld 10,089 shares at $2.48 per share to cover tax obligations related to the vesting.
After these transactions, Townsend directly holds 93,309 shares of Common Stock. The RSUs were granted on October 15, 2024 and convert to Common Stock on a one-for-one basis. The remaining RSUs vest in three equal semi-annual installments through October 15, 2027, indicating additional potential share delivery over time as they vest.
GRAYSON BRUNS H reported acquisition or exercise transactions in this Form 4 filing.
Ribbon Communications Inc. director H. Grayson received a grant of 15,919 shares of Common Stock on April 15, 2026. These shares were issued in lieu of cash fees for service on the company’s Board of Directors and its committees, with the grant price determined under the company’s Non-Employee Director Compensation Policy. After this award, the director directly holds 783,347 shares of Common Stock.
Ribbon Communications SVP, Deputy CFO and CAO Eric S. Marmurek exercised restricted stock units and settled related taxes in shares. On April 15, 2026, he exercised 37,500 Restricted Stock Units (each RSU representing a contingent right to one common share) into 37,500 shares of common stock. In connection with this vesting, 14,756 shares were withheld by the company at $2.48 per share to satisfy tax withholding obligations, rather than sold in the open market. These RSUs were originally issued on October 15, 2024, with remaining RSUs scheduled to vest on October 15, 2026. After these transactions, Marmurek directly holds 449,807 shares of Ribbon common stock, reflecting a routine compensation-related event.
SHANI SHAUL reported acquisition or exercise transactions in this Form 4 filing.
Ribbon Communications Inc. director Shani Shaul received a grant of 12,971 shares of Common Stock on April 15, 2026. These shares were issued in lieu of cash fees for service on the company’s Board of Directors, with the price set under the Non-Employee Director Compensation Policy. After this award, Shaul directly holds 183,466 shares of Ribbon Communications common stock.
Ribbon Communications Inc. is asking stockholders to vote at its virtual 2026 annual meeting on June 3, 2026, to elect nine directors, ratify Deloitte & Touche LLP as auditor, and approve 2025 executive pay on an advisory basis.
For 2025, revenue was $845 million, up $11 million year over year, with Global Service Provider sales up 5% and India sales up 40%. Adjusted EBITDA reached $107 million, generating $51 million in operating cash flow, year-end cash of $98 million, and net leverage of 2.3x. The company highlights strong demand for IP Optical solutions in India, voice modernization projects, and new AI-focused offerings such as its Acumen automation platform and an AWS-linked cloud-native voice session border controller.
Ribbon Communications Inc. director Louis Silver filed an initial Form 3 ownership report for the company’s common stock. The filing lists him as a director and does not report any transactions or existing derivative positions at this time.
Ribbon Communications Inc. expanded its Board of Directors to nine members and appointed Louis Silver, age 72, as a director until the 2026 Annual Meeting of Stockholders. He was designated by Swarth Investments Ltd. under an existing stockholders agreement and is expected to join one or more board committees in May 2026.
Silver brings more than 25 years of board experience with technology-focused companies and currently serves on the board of Ceva, Inc., chairing its audit committee. Under Ribbon’s Non-employee Director Compensation Plan, he will receive a pro-rated annual cash retainer of $60,000 and restricted share units valued at $170,000, plus additional retainers for committee service.
Ribbon Communications Inc. filed its annual report describing a global communications technology business focused on secure voice, data and high-bandwidth networking for service providers and enterprises. The company operates two main segments: Cloud and Edge, and IP Optical Networks, both benefiting from trends like 5G, fiber build‑outs and AI‑driven automation.
Ribbon highlights its mission to deliver scalable, cloud‑centric networking solutions and notes customer concentration, with Verizon accounting for about 17% of 2025 revenue and the top five customers 41%. It reports an aggregate market value of non‑affiliate common stock of approximately $299.5 million and 175,604,524 shares outstanding.
The report discusses competitive pressures from large telecom vendors, supply‑chain and geopolitical risks, and a broad risk factor set including revenue volatility, restructuring, credit exposure, cybersecurity (including a 2025 nation‑state intrusion that was contained and remediated), regulatory obligations and AI‑related uncertainties. Ribbon also emphasizes ESG initiatives, a global workforce of 3,080 employees, low voluntary turnover of 5.5% in 2025, active learning and development programs, and community engagement with about 5,000 volunteer hours.
Ribbon Communications Inc. President & CEO Bruce William McClelland reported open-market purchases of company stock. On February 10, 2026, he bought 12,000 common shares at $2.0585 each. On February 11, 2026, he bought another 12,500 shares at $1.9884 per share, and on February 13, 2026, he purchased 12,500 shares at $1.98 per share. After these transactions, he directly owned 1,516,164 shares of Ribbon Communications common stock.