Welcome to our dedicated page for Ribbon Communications SEC filings (Ticker: RBBN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Ribbon Communications Inc. (RBBN) filed a Form 144 notice to sell 8,692 shares of common stock through Morgan Stanley Smith Barney LLC on or about 09/05/2025. The filing lists an aggregate market value of $34,605.46 and shows 177,081,847 shares outstanding, meaning the proposed sale represents a de minimis portion of outstanding stock. All reported shares were acquired as restricted stock between 2011 and 2014 from the issuer. The filer states there were no sales in the past three months and affirms no undisclosed material adverse information. The notice supplies broker details and acquisition dates but includes no additional financial results or transaction conditions.
Form 144 notice for Ribbon Communications, Inc. (RBBN) shows an insider intends to sell 14,176 common shares through Morgan Stanley Smith Barney on or about 09/08/2025, with an aggregate market value of $56,987.52. The shares were acquired as performance shares on 04/17/2024 and fully paid on that date. The filing lists two recent sales by the same person: 155,434 shares sold on 09/05/2025 for $626,352.38 and 20,000 shares sold on 09/04/2025 for $83,252.00. The filing includes a statutory representation that the filer knows of no undisclosed material adverse information.
Ribbon Communications Inc. (RBBN) filed a Form 144 notice reporting a proposed sale of 155,434 common shares held with Morgan Stanley Smith Barney LLC, with an aggregate market value of $626,352.39. The filing shows 177,081,847 shares outstanding and an approximate sale date of 09/05/2025 on NASDAQ. The securities were acquired as restricted stock in several tranches between 12/15/2023 and 06/15/2025. The filer also disclosed a recent sale of 20,000 shares on 09/04/2025 for gross proceeds of $83,252.00. The notice includes the standard representation that the seller has no undisclosed material information.
Ribbon Communications Inc. (RBBN) filed a Form 144 reporting a proposed sale of 20,000 shares of Common stock, with an aggregate market value of $83,252.00. The shares represent restricted stock originally acquired from the issuer on 12/15/2023, and the filing indicates payment was completed on that acquisition date. The sale is planned to occur approximately on 09/04/2025 on the NASDAQ. The issuer has 177,081,847 shares outstanding. The filer reports no securities sold by the account in the past three months and includes the standard attestation that no undisclosed material adverse information is known.
Ribbon Communications Inc. announced that Dan Redington, its Executive Vice President, Global Sales, will leave the company effective September 30, 2025 to pursue other opportunities. The company stated that it expects to appoint a new head of Global Sales before the end of the third quarter of 2025, indicating a planned leadership transition in its global sales organization.
Paradigm Capital Management, Inc. filed an amendment to Schedule 13G reporting ownership of Ribbon Communications Inc. common stock. Paradigm holds 8,748,200 shares, representing 4.96% of the class, and reports sole voting and sole dispositive power over those shares. The filing indicates the position was measured as of 06/30/2025 and certified on 08/14/2025. Paradigm classifies itself as an investment adviser and states the shares are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. The filing notes ownership is 5% or less of the class and no group affiliations are reported.
Form 4 filing summary – Ribbon Communications Inc. (RBBN)
Director R. Stewart Ewing Jr. reported two equity transactions on 16-17 June 2025. First, he exercised 48,365 previously-granted restricted stock units (RSUs) at a zero cash cost (Code “M”), receiving an equivalent number of common shares. His direct shareholding consequently rose to 197,391 shares.
Second, the director received a new award of 42,500 RSUs on 16 June 2025 (Code “A”). These RSUs are scheduled to vest on 16 June 2026, or earlier at the 2026 Annual Meeting if he leaves the Board at that time. Post-transaction, Mr. Ewing holds 42,500 unvested RSUs in addition to his common-stock position. All reported positions are held directly.
No sale of shares occurred, no cash was exchanged, and there is no indication of hedging activity. The filing reflects routine director compensation and equity retention without altering the company’s capital structure.