Ribbon Communications Inc. SEC filings RBBN

Ribbon Communications Inc. has 732 filings in SEC EDGAR's recent list, going back to Jun 28, 2017. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 31.

Form Description Filed Period
10-Q Quarterly report Oct 28, 2026 Sep 30, 2026
10-Q Quarterly report Jul 31, 2026 Jun 30, 2026
10-Q Quarterly report May 6, 2026 Mar 31, 2026
10-Q Quarterly report Oct 23, 2025 Sep 30, 2025
10-Q Quarterly report Jul 24, 2025 Jun 30, 2025
10-Q Quarterly report Apr 30, 2025 Mar 31, 2025
10-Q Quarterly report Oct 24, 2024 Sep 30, 2024
10-Q Quarterly report Jul 29, 2024 Jun 30, 2024
10-Q Quarterly report May 15, 2024 Mar 31, 2024
10-Q Quarterly report Oct 26, 2023 Sep 30, 2023
10-Q Quarterly report Jul 27, 2023 Jun 30, 2023
10-Q Quarterly report Apr 28, 2023 Mar 31, 2023
10-Q Quarterly report Oct 28, 2022 Sep 30, 2022
10-Q Quarterly report Jul 28, 2022 Jun 30, 2022
10-Q Quarterly report May 10, 2022 Mar 31, 2022
10-Q Quarterly report Oct 28, 2021 Sep 30, 2021
10-Q Quarterly report Jul 29, 2021 Jun 30, 2021
10-Q Quarterly report Apr 30, 2021 Mar 31, 2021
10-Q Quarterly report Oct 30, 2020 Sep 30, 2020
10-Q Quarterly report Aug 6, 2020 Jun 30, 2020
10-Q Quarterly report May 8, 2020 Mar 31, 2020
10-Q Quarterly report Oct 31, 2019 Sep 30, 2019
10-Q Quarterly report Aug 1, 2019 Jun 30, 2019
10-Q Quarterly report May 2, 2019 Mar 31, 2019
10-Q Quarterly report Oct 31, 2018 Sep 30, 2018
10-Q Quarterly report Aug 1, 2018 Jun 30, 2018
10-Q Quarterly report Apr 30, 2018 Mar 31, 2018
10-Q Quarterly report Oct 27, 2017 Sep 30, 2017

Showing 28 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

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Company profile

Industry
Services-Computer Integrated Systems Design (SIC 7373)
Listed as
RBBN (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Plano, TX
SEC filer status
Accelerated filer
SEC CIK
1708055
Former names
Sonus Networks, Inc. (until Nov 28, 2017); Solstice Sapphire Investments, Inc. (until Oct 27, 2017)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.