AI brief of an SEC Form 8-K · Ribbon Communications Inc. (RBBN)

Ribbon Communications Q3 revenue rises 14% sequentially to $219 million

Mixed Impact 3 of 5 earnings Written later

Ribbon Communications reported third quarter 2026 revenue of $219 million, up from $215 million a year earlier and up 14% from the second quarter, while its GAAP net loss narrowed to $9 million from $12 million. Adjusted EBITDA fell to $27 million from $29 million a year earlier, and nine-month revenue of $574 million was below $617 million a year earlier. The company guided fourth quarter 2026 revenue to $233 million to $247 million.

Key points

  • Q3 2026 revenue $219 million vs. $215 million in Q3 2025; GAAP net loss $9 million vs. $12 million
  • Non-GAAP diluted EPS $0.07 vs. $0.04 a year earlier; GAAP diluted loss per share $0.05 vs. $0.07
  • Q4 2026 outlook: revenue $233 million to $247 million, Adjusted EBITDA $40 million to $47 million
  • Cash and cash equivalents were $40 million at September 30, 2026, down from $96 million at December 31, 2025

The filing

CompanyRibbon Communications Inc. (RBBN)
Form8-K, current report
Filed with the SECOct 27, 2026, 4:20 PM ET
Accession number0001104659-26-119166

Items reported: 2.02 Results of Operations

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:53 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 27, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.