Ribbon Communications Inc. (RBBN) Form 10-K Annual Reports

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