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 | 0001104659-26-010898 | Feb 5, 2026 | — |
| 8-K | FORM 8-K | 0001104659-25-101530 | Oct 22, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-085750 | Aug 29, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-070009 | Jul 23, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-054927 | May 30, 2025 | May 28, 2025 |
| 8-K | FORM 8-K | 0001104659-25-041242 | Apr 29, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-012169 | Feb 12, 2025 | — |
| 8-K | FORM 8-K | 0001104659-24-110863 | Oct 23, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-106285 | Oct 4, 2024 | Oct 3, 2024 |
| 8-K | FORM 8-K | 0001104659-24-088719 | Aug 13, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-082334 | Jul 24, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-074398 | Jun 24, 2024 | Jun 21, 2024 |
| 8-K | FORM 8-K | 0001104659-24-069090 | Jun 6, 2024 | Jun 4, 2024 |
| 8-K | FORM 8-K | 0001104659-24-050937 | Apr 24, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-033957 | Mar 13, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-023610 | Feb 14, 2024 | — |
| 8-K | FORM 8-K | 0001104659-23-111433 | Oct 25, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-087871 | Aug 4, 2023 | Aug 3, 2023 |
| 8-K | FORM 8-K | 0001104659-23-084292 | Jul 26, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-065499 | May 26, 2023 | May 23, 2023 |
| 8-K | FORM 8-K | 0001104659-23-050347 | Apr 26, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-039214 | Mar 30, 2023 | Mar 24, 2023 |
| 8-K | FORM 8-K | 0001104659-23-036895 | Mar 27, 2023 | Mar 24, 2023 |
| 8-K | FORM 8-K | 0001104659-23-031693 | Mar 13, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-022382 | Feb 15, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-003859 | Jan 13, 2023 | Jan 9, 2023 |
| 8-K | FORM 8-K | 0001104659-22-111537 | Oct 26, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-098554 | Sep 8, 2022 | Sep 7, 2022 |
| 8-K | FORM 8-K | 0001104659-22-091826 | Aug 16, 2022 | Aug 12, 2022 |
| 8-K | FORM 8-K | 0001104659-22-083171 | Jul 27, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-077368 | Jul 5, 2022 | Jun 30, 2022 |
| 8-K | FORM 8-K | 0001104659-22-065532 | May 27, 2022 | May 25, 2022 |
| 8-K | FORM 8-K | 0001104659-22-051178 | Apr 27, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-041790 | Apr 1, 2022 | Mar 30, 2022 |
| 8-K | FORM 8-K | 0001104659-22-024259 | Feb 16, 2022 | Feb 14, 2022 |
| 8-K | FORM 8-K | 0001104659-22-005984 | Jan 20, 2022 | — |
| 8-K | FORM 8-K | 0001104659-21-130467 | Oct 27, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-096938 | Jul 28, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-075035 | Jun 1, 2021 | May 27, 2021 |
| 8-K | FORM 8-K | 0001104659-21-056559 | Apr 28, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-046142 | Apr 2, 2021 | Mar 31, 2021 |
| 8-K | FORM 8-K | 0001104659-21-032175 | Mar 4, 2021 | Mar 3, 2021 |
| 8-K | FORM 8-K | 0001104659-21-024821 | Feb 17, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-006996 | Jan 25, 2021 | — |
| 8-K | FORM 8-K | 0001104659-20-132853 | Dec 7, 2020 | Dec 1, 2020 |
| 8-K | FORM 8-K | 0001104659-20-119759 | Oct 30, 2020 | Oct 27, 2020 |
| 8-K | FORM 8-K | 0001104659-20-119534 | Oct 29, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-097783 | Aug 24, 2020 | Aug 18, 2020 |
| 8-K | FORM 8-K | 0001104659-20-092007 | Aug 7, 2020 | Aug 5, 2020 |
| 8-K | FORM 8-K | 0001104659-20-090842 | Aug 5, 2020 | — |