Ribbon Communications Inc. — All Filings
693 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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144
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424B3
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D
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-K | 10-K | 0001708055-26-000012 | Feb 26, 2026 | Dec 31, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000006 | Feb 13, 2026 | Feb 10, 2026 |
| 8-K | FORM 8-K | 0001104659-26-010898 | Feb 5, 2026 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000004 | Jan 20, 2026 | Jan 15, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000003 | Jan 20, 2026 | Jan 15, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000041 | Dec 16, 2025 | Dec 15, 2025 |
| S-8 | FORM S-8 | 0001104659-25-119996 | Dec 10, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000039 | Nov 4, 2025 | Oct 31, 2025 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000037 | Oct 27, 2025 | Oct 20, 2025 |
| 10-Q | 10-Q | 0001708055-25-000035 | Oct 23, 2025 | Sep 30, 2025 |
| 8-K | FORM 8-K | 0001104659-25-101530 | Oct 22, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000032 | Oct 17, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000031 | Oct 17, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000028 | Oct 17, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000027 | Oct 17, 2025 | Oct 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000025 | Oct 17, 2025 | Oct 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000024 | Oct 17, 2025 | Oct 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-25-000019 | Oct 17, 2025 | Oct 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-015409 | Sep 8, 2025 | Sep 5, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-015408 | Sep 8, 2025 | Sep 4, 2025 |
| 144 | — | 0001950047-25-006830 | Sep 8, 2025 | — |
| 144 | — | 0001950047-25-006825 | Sep 8, 2025 | — |
| 144 | — | 0001950047-25-006813 | Sep 5, 2025 | — |
| 144 | — | 0001950047-25-006767 | Sep 4, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-085750 | Aug 29, 2025 | — |
| SCHEDULE 13G/A | — | 0001037792-25-000013 | Aug 14, 2025 | — |
| 10-Q | 10-Q | 0001708055-25-000007 | Jul 24, 2025 | Jun 30, 2025 |
| 8-K | FORM 8-K | 0001104659-25-070009 | Jul 23, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-012961 | Jul 17, 2025 | Jul 15, 2025 |
| S-8 | FORM S-8 | 0001104659-25-065285 | Jul 2, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011903 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011902 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011901 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011900 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011899 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011898 | Jun 18, 2025 | Jun 16, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-011842 | Jun 17, 2025 | Jun 15, 2025 |
| 8-K | FORM 8-K | 0001104659-25-054927 | May 30, 2025 | May 28, 2025 |
| SD | FORM SD | 0001104659-25-054923 | May 30, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-009790 | May 19, 2025 | May 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-009789 | May 19, 2025 | May 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-009788 | May 19, 2025 | May 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-009787 | May 19, 2025 | May 15, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-009786 | May 19, 2025 | May 15, 2025 |
| 10-Q | 10-Q | 0001708055-25-000003 | Apr 30, 2025 | Mar 31, 2025 |
| 8-K | FORM 8-K | 0001104659-25-041242 | Apr 29, 2025 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-007790 | Apr 22, 2025 | Apr 17, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-007789 | Apr 22, 2025 | Apr 17, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-007788 | Apr 22, 2025 | Apr 17, 2025 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-25-007787 | Apr 22, 2025 | Apr 17, 2025 |