Ribbon Communications Inc. — 4/A Filings
12 4/A filings on record
This page lists all 4/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 12 4/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 |
|---|---|---|---|---|
| 4/A | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-005793 | Mar 18, 2025 | Apr 17, 2024 |
| 4/A | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-005792 | Mar 18, 2025 | Apr 17, 2024 |
| 4/A | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-005791 | Mar 18, 2025 | Apr 17, 2024 |
| 4/A | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-005789 | Mar 18, 2025 | Apr 17, 2024 |
| 4/A | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-005162 | Mar 4, 2024 | Mar 1, 2024 |
| 4/A | PRIMARY DOCUMENT | 0001708055-21-000079 | Mar 22, 2021 | Mar 15, 2021 |
| 4/A | PRIMARY DOCUMENT | 0001708055-21-000078 | Mar 22, 2021 | Mar 15, 2021 |
| 4/A | PRIMARY DOCUMENT | 0001708055-21-000077 | Mar 22, 2021 | Mar 15, 2021 |
| 4/A | PRIMARY DOCUMENT | 0001708055-21-000076 | Mar 22, 2021 | Mar 15, 2021 |
| 4/A | PRIMARY DOCUMENT | 0001708055-21-000075 | Mar 22, 2021 | Mar 15, 2021 |
| 4/A | PRIMARY DOCUMENT | 0001708055-21-000074 | Mar 22, 2021 | Mar 15, 2021 |
| 4/A | PRIMARY DOCUMENT | 0001708055-19-000041 | Nov 19, 2019 | May 15, 2019 |