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.
Tracing how Ribbon Communications turns cloud-native software and IP optical hardware into recurring revenue can feel like navigating dense telecom jargon and multi-segment accounting footnotes. Shareholders hunting for segment margins, patent amortization schedules, or cross-border revenue in the company’s 10-K often spend hours scrolling. The challenge grows when you need to watch sudden leadership changes or supplier disruptions tucked inside an 8-K.
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Ribbon Communications (RBBN) reported an insider equity transaction by its EVP and Chief Financial Officer, John Townsend. On October 15, 2025, he acquired 128,205 shares of Common Stock via conversion of previously granted RSUs. In connection with the vesting, 50,448 shares were withheld by the issuer to satisfy tax obligations at $3.81 per share.
Following these transactions, Townsend held 77,757 shares directly. He also retained 102,564 RSUs outstanding. The RSUs were granted on October 15, 2024, with one-third vesting on October 15, 2025; the remaining two-thirds vest in four equal semi-annual installments through October 15, 2027.
Insider sale reported for Ribbon Communications (RBBN). On 09/05/2025 Beatriz Infante (director) disposed of 8,690 shares of Ribbon Communications common stock at a reported price of $3.9813 per share. After the transaction she beneficially owned 343,224 shares. The Form 4 was signed by Patrick Macken by power of attorney on 09/08/2025.
Dan Redington, EVP, Global Sales of Ribbon Communications Inc. (RBBN), reported three separate open-market sales of the issuer's common stock in early September 2025. The filings show sales of 20,000 shares on 09/04/2025 at a weighted-average price of $4.1626, 155,434 shares on 09/05/2025 at a weighted-average price of $4.0297, and 14,176 shares on 09/08/2025 at $4.02. Aggregate shares sold equal 189,610. The reported beneficial ownership after each sale moved from 169,610 shares to 14,176 shares and then to 0 shares (direct ownership). Footnotes state the first two prices are weighted averages with transaction ranges provided on the form. The Form 4 is signed by a power of attorney, Patrick Macken, dated 09/08/2025.
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.
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.
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