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Ribbon Communications Inc. — PRE 14A Filings

2 PRE 14A filings on record

This page lists all PRE 14A filings submitted to the SEC by Ribbon Communications Inc. (RBBN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Ribbon Communications Inc. has filed 2 PRE 14A documents with the SEC since 2017. To view all SEC filings by Ribbon Communications Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 144 3 4 4/A 424B3 8-K 8-K/A 8-K12B ARS CORRESP D DEF 14A DEFA14A DEFM14A EFFECT NT 10-K NT 10-Q PRE 14A PREM14A S-3 S-3/A S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
PRE 14A FORM PRE 14A 0001104659-25-031033 Apr 2, 2025 May 28, 2025
PRE 14A PRE 14A 0001104659-23-068537 Jun 6, 2023 —