Ribbon Communications Inc. — SC 13G/A Filings
6 SC 13G/A filings on record
This page lists all SC 13G/A 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 6 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | — | 0001415889-24-003300 | Feb 12, 2024 | — |
| SC 13G/A | — | 0001415889-24-003292 | Feb 12, 2024 | — |
| SC 13G/A | — | 0001037792-23-000003 | Feb 13, 2023 | — |
| SC 13G/A | RIBBON COMMUNICATIONS, INC. | 0001037792-22-000007 | Feb 7, 2022 | — |
| SC 13G/A | — | 0001037792-21-000008 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000215457-17-003813 | Nov 9, 2017 | — |