Ribbon Communications Inc. (RBBN) SEC filings

RBBNNasdaqServices-Computer Integrated Systems DesignFiscal year ends December 31

Financials through Q1 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 28, 2026Score 7/3082% below fair value

$1.47+0.02 (+1.38%)

Close on Nov 13, 2026Market cap $263.39MP/E 29.4Yield –

SEC filings

40 of Ribbon Communications's most recent filings on SEC EDGAR

Document	Form	Period	Filed	Source
Quarterly report	10-Q	Sep 30, 2026	Oct 28, 2026	SEC EDGAR
Current report	8-K	Oct 27, 2026	Oct 27, 2026	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2026	Jul 31, 2026	SEC EDGAR
Current report	8-K	Jul 28, 2026	Jul 28, 2026	SEC EDGAR
Current report	8-K	Jun 17, 2026	Jun 17, 2026	SEC EDGAR
Current report	8-K	Jun 3, 2026	Jun 5, 2026	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2026	May 6, 2026	SEC EDGAR
Current report	8-K	Apr 28, 2026	Apr 28, 2026	SEC EDGAR
Proxy statement	DEF 14A	Jun 3, 2026	Apr 17, 2026	SEC EDGAR
Current report	8-K	Apr 15, 2026	Apr 15, 2026	SEC EDGAR
Annual report	10-K	Dec 31, 2025	Feb 26, 2026	SEC EDGAR
Current report	8-K	Feb 5, 2026	Feb 5, 2026	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2025	Oct 23, 2025	SEC EDGAR
Current report	8-K	Oct 22, 2025	Oct 22, 2025	SEC EDGAR
Current report	8-K	Aug 29, 2025	Aug 29, 2025	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2025	Jul 24, 2025	SEC EDGAR
Current report	8-K	Jul 23, 2025	Jul 23, 2025	SEC EDGAR
Current report	8-K	May 28, 2025	May 30, 2025	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2025	Apr 30, 2025	SEC EDGAR
Current report	8-K	Apr 29, 2025	Apr 29, 2025	SEC EDGAR
Proxy statement	DEF 14A	May 28, 2025	Apr 14, 2025	SEC EDGAR
Annual report	10-K	Dec 31, 2024	Feb 27, 2025	SEC EDGAR
Current report	8-K	Feb 12, 2025	Feb 12, 2025	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2024	Oct 24, 2024	SEC EDGAR
Current report	8-K	Oct 23, 2024	Oct 23, 2024	SEC EDGAR
Current report	8-K	Oct 3, 2024	Oct 4, 2024	SEC EDGAR
Current report	8-K	Aug 13, 2024	Aug 13, 2024	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2024	Jul 29, 2024	SEC EDGAR
Current report	8-K	Jul 24, 2024	Jul 24, 2024	SEC EDGAR
Current report	8-K	Jun 21, 2024	Jun 24, 2024	SEC EDGAR
Current report	8-K	Jun 4, 2024	Jun 6, 2024	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2024	May 15, 2024	SEC EDGAR
Current report	8-K	Apr 24, 2024	Apr 24, 2024	SEC EDGAR
Proxy statement	DEF 14A	Jun 4, 2024	Apr 12, 2024	SEC EDGAR
Current report	8-K	Mar 13, 2024	Mar 13, 2024	SEC EDGAR
Annual report	10-K	Dec 31, 2023	Feb 28, 2024	SEC EDGAR
Current report	8-K	Feb 14, 2024	Feb 14, 2024	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2023	Oct 26, 2023	SEC EDGAR
Current report	8-K	Oct 25, 2023	Oct 25, 2023	SEC EDGAR
Current report	8-K	Aug 3, 2023	Aug 4, 2023	SEC EDGAR

Where these numbers come from

Parsed from the XBRL in Ribbon Communications's annual and quarterly filings with the SEC
Per-share figures adjusted for the 1-for-5 reverse split on Jan 30, 2015
Fourth quarters derived from the annual report minus nine months
Every figure in the statements links to its source filing

Against peers

Trailing twelve months. Peers are matched on business description, industry and size. Ticks are peers, the dot is RBBN.

Compare: RBBN vs NTCT · RBBN vs IOT · RBBN vs IONQ · RBBN vs UIS · RBBN vs BAND

Gross margin48.8% · median 36.7%

Operating margin-1.8% · median 1.0%

Net margin-0.4% · median 4.9%

Company	Revenue	Growth
UIS	$1.96B	+1.9%
IOT	$1.85B	+29.5%
RBBN	$1.24B	–
NTCT	$886.33M	+2.7%
BAND	$870.37M	+15.1%
IONQ	$380.44M	+376.5%

Company

Next earnings (est.): Feb 4, 2027, during market hours
Exchange: Nasdaq
Industry: Services-Computer Integrated Systems Design
Fiscal year ends: December 31
Employees: 3,080
Held by institutions: 71.6%
Auditor: Deloitte & Touche LLP
SEC CIK: 1708055

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