secwatch.observer — SEC 8-K summary
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Issuer:     Ribbon Communications Inc. (RBBN)
CIK:        0001708055
Form:       8-K
Filed at:   2026-02-05T23:59:59+00:00
Accession:  0001104659-26-010898
Event type: earnings
Sentiment:  negative
Materiality: 0.75
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Ribbon Q4 revenue $227M (-10% YoY), GAAP OI $9M vs $33M; record bookings $50M+ from voice modernization
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- Revenue $227M vs $251M in Q4 2024; GAAP operating income fell to $9M from $33M.
- Non-GAAP Adjusted EBITDA $40M vs $55M year ago; GAAP gross margin 53.3% vs 55.7%.
- Full-year revenue $845M (+1.3% YoY); GAAP operating loss ($3M) vs $17M profit; net income $40M vs ($54M).
- Record Q4 product and services bookings exceeding $50M from new voice modernization programs across multiple regions.
- CFO expects tax benefit to reduce cash tax payments by $15-$20M over next several years starting in 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1708055/000110465926010898/0001104659-26-010898-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1708055/000110465926010898/tm265336d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-010898

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer