Every material Form 8-K Ribbon Communications Inc. has filed with the SEC since June 17, 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
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.
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
Ribbon Communications reported second-quarter 2026 revenue of $192 million, down from $221 million a year earlier, and a GAAP operating loss of $12 million versus operating income of $4 million a year earlier. Revenue rose 18% sequentially from the first quarter, and the company projected third-quarter 2026 revenue of $215 million to $230 million, but it has also adjusted its full-year 2026 targets.
Q2 2026 revenue was $192 million versus $221 million in Q2 2025; GAAP net loss was $27 million versus $11 million
Non-GAAP Adjusted EBITDA was $12 million versus $32 million in Q2 2025
Q3 2026 outlook: revenue of $215 million to $230 million and Adjusted EBITDA of $26 million to $31 million
Full-year 2026 targets now call for revenue of $810 million to $840 million and Adjusted EBITDA of $78 million to $88 million
Ribbon Communications furnished an investor presentation dated June 17, 2026, for use at an investor conference that day, as Exhibit 99.1 to this 8-K. The deck covers AI voice, autonomous networking, and data center interconnect opportunities, and it contains no new quarterly results, guidance, or financial statements in the filing text.
Investor presentation dated June 17, 2026, furnished under Item 7.01 for a previously announced investor conference
Deck cites 1,000+ global customers, a 67% software and services mix, and 90+% maintenance renewal rate
Deck states 67% of planned USA data center growth is in rural areas, citing Construct Connect data from April 2026
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