Ribbon Communications Inc. (RBBN) Form 8-K — Oct 27, 2026

$RBBNForm 8-KItems 2.02, 9.01Filed Oct 27, 2026, 4:20 PM ET0001104659-26-119166Original filing

Ribbon Communications (Nasdaq: RBBN) reported Q3 2026 revenue of $219 million, up 14% sequentially and up from $215 million a year ago, with GAAP operating income of $6 million and a GAAP net loss of $9.1 million, or $(0.05) per share. Adjusted EBITDA more than doubled to $27 million from $12 million in the second quarter, and IP Optical Networks revenue grew 17% QoQ on record quarterly sales, including two new U.S. Tier 2 ISP customers.

Key figures

Revenue: 219000000
Guidance: Q4 2026 revenue $233M-$247M, non-GAAP gross margin 53.5%-54.5%, Adjusted EBITDA $40M-$47M; FY2026 revenue midpoint $814M, Adjusted EBITDA midpoint $74.0M
Total Debt: 343000000
Revenue Yoy: Q3 2026 $219M vs Q3 2025 $215M (+2% YoY; +14% QoQ)
Cash Position: 40383000
Non gaap eps: 0.07
Gaap gross margin: 48.2%
Adjusted ebitda q3: 26773000
Nine month revenue: 573656000
Non gaap gross margin: 50.3%

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