Ribbon Communications Inc. (RBBN) Form 8-K Material Events
Ribbon Communications Inc. (RBBN) is a publicly traded company on the Nasdaq, categorized under SIC 7373 (Services-Computer Integrated Systems Design). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: RBBN
CIK: 1708055
Exchange: Nasdaq
SIC 7373: Services-Computer Integrated Systems Design
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
Deloitte & Touche LLP
Auditor SinceSince 12/31/2017 12:00:00 AM
Lead Engagement PartnerWilliam Weekley
Audit LocationDallas, Texas, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 10-Q | 2026-07-31 | 2026-06-30 | 10-Q | 0001708055-26-000070 | View SEC Doc Filr Page |
| 8-K | 2026-07-28 | 2026-07-28 | FORM 8-K | 0001104659-26-087534 | View SEC Doc Filr Page |
| 4 | 2026-07-15 | 2026-07-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000062 | View SEC Doc Filr Page |
| 4 | 2026-07-15 | 2026-07-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000061 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000058 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000057 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000056 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000055 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000054 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000053 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000052 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000051 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000050 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000049 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000048 | View SEC Doc Filr Page |
| 8-K | 2026-06-17 | 2026-06-17 | FORM 8-K | 0001104659-26-074930 | View SEC Doc Filr Page |
| 8-K | 2026-06-05 | 2026-06-03 | FORM 8-K | 0001104659-26-070981 | View SEC Doc Filr Page |
| SD | 2026-05-29 | — | FORM SD | 0001104659-26-068270 | View SEC Doc Filr Page |
| 4 | 2026-05-19 | 2026-04-17 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000036 | View SEC Doc Filr Page |
| 4 | 2026-05-19 | 2026-04-17 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000035 | View SEC Doc Filr Page |
| 4 | 2026-05-19 | 2026-04-17 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000034 | View SEC Doc Filr Page |
| 4 | 2026-05-19 | 2026-04-17 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000033 | View SEC Doc Filr Page |
| 10-Q | 2026-05-06 | 2026-03-31 | 10-Q | 0001708055-26-000028 | View SEC Doc Filr Page |
| 8-K | 2026-04-28 | 2026-04-28 | FORM 8-K | 0001104659-26-050356 | View SEC Doc Filr Page |
| 4 | 2026-04-17 | 2026-04-15 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001708055-26-000024 | View SEC Doc Filr Page |