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Ribbon Communications Inc. — 8-K Filings

88 8-K filings on record

This page lists all 8-K 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 88 8-K 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
8-K FORM 8-K 0001104659-20-075870 Jun 23, 2020 Jun 18, 2020
8-K FORM 8-K 0001104659-20-069490 Jun 3, 2020 Jun 2, 2020
8-K FORM 8-K 0001104659-20-059607 May 11, 2020 May 6, 2020
8-K FORM 8-K 0001104659-20-057429 May 6, 2020
8-K FORM 8-K 0001104659-20-029202 Mar 4, 2020 Mar 3, 2020
8-K FORM 8-K 0001104659-20-028708 Mar 3, 2020
8-K FORM 8-K 0001104659-20-022894 Feb 19, 2020 Feb 17, 2020
8-K FORM 8-K 0001104659-20-022816 Feb 19, 2020
8-K FORM 8-K 0001104659-20-008824 Jan 30, 2020 Jan 29, 2020
8-K FORM 8-K 0001104659-20-007285 Jan 28, 2020 Jan 27, 2019
8-K FORM 8-K 0001104659-20-000405 Jan 2, 2020 Dec 27, 2019
8-K FORM 8-K 0001104659-19-065919 Nov 20, 2019
8-K 8-K 0001104659-19-064368 Nov 14, 2019
8-K 8-K 0001104659-19-064363 Nov 14, 2019 Nov 13, 2019
8-K 8-K 0001104659-19-057811 Oct 30, 2019
8-K 8-K 0001104659-19-042926 Jul 31, 2019
8-K 8-K 0001410578-19-000421 Jun 11, 2019 Jun 5, 2019
8-K 8-K 0001104659-19-027201 May 6, 2019 May 2, 2019
8-K 8-K 0001104659-19-026514 May 2, 2019 Apr 29, 2019
8-K 8-K 0001104659-19-023677 Apr 25, 2019 Apr 22, 2019
8-K 8-K 0001104659-19-009564 Feb 20, 2019
8-K 8-K 0001104659-19-005512 Feb 4, 2019 Jan 31, 2019
8-K 8-K 0001104659-19-001810 Jan 14, 2019 Jan 13, 2019
8-K 8-K 0001104659-18-073325 Dec 17, 2018
8-K 8-K 0001104659-18-064654 Oct 30, 2018
8-K 8-K 0001104659-18-053355 Aug 23, 2018
8-K 8-K 0001104659-18-050934 Aug 9, 2018 Aug 3, 2018
8-K 8-K 0001104659-18-048233 Jul 31, 2018
8-K 8-K 0001104659-18-042857 Jun 28, 2018 Jun 24, 2018
8-K 8-K 0001104659-18-040458 Jun 15, 2018 Jun 14, 2018
8-K 8-K 0001104659-18-026894 Apr 26, 2018
8-K 8-K 0001104659-18-026891 Apr 26, 2018
8-K 8-K 0001104659-18-013766 Mar 1, 2018
8-K 8-K 0001104659-17-074940 Dec 26, 2017 Dec 21, 2017
8-K 8-K 0001104659-17-073264 Dec 14, 2017 Dec 13, 2017
8-K 8-K 0001104659-17-070729 Nov 28, 2017
8-K 8-K 0001104659-17-066452 Nov 7, 2017
8-K 8-K 0001104659-17-064985 Oct 31, 2017