Ribbon Communications Inc. — DEF 14A Filings
8 DEF 14A filings on record
This page lists all DEF 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 8 DEF 14A 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 |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001104659-25-034540 | Apr 14, 2025 | May 28, 2025 |
| DEF 14A | DEF 14A | 0001104659-24-046780 | Apr 12, 2024 | Jun 4, 2024 |
| DEF 14A | DEF 14A | 0001104659-23-072894 | Jun 20, 2023 | Aug 3, 2023 |
| DEF 14A | DEF 14A | 0001104659-22-044198 | Apr 8, 2022 | May 25, 2022 |
| DEF 14A | DEF 14A | 0001104659-21-048710 | Apr 9, 2021 | May 27, 2021 |
| DEF 14A | DEF 14A | 0001047469-20-002709 | Apr 29, 2020 | Jun 2, 2020 |
| DEF 14A | DEF 14A | 0001047469-19-002583 | Apr 25, 2019 | Jun 5, 2019 |
| DEF 14A | DEF 14A | 0001047469-18-003313 | Apr 30, 2018 | Jun 14, 2018 |