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.
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 | — |