ADTRAN Holdings, Inc. — Form 8-K
Filed November 3, 2026 · analyzed by the 8-K Agent
8-K
— Neutral
significance 42/100
What the filing says
ADTRAN reported Q3 2026 revenue of $281.2M (up 0.6% YoY), with GAAP gross margin 38.5% and GAAP operating loss of $0.75M. Non-GAAP gross margin 42.1% (including ~200 bps from IEEPA tariff refunds), non-GAAP operating margin 5.0%. Strong growth in optical networking (+11% YoY) and hyperscale customers (+200% YoY), offset by weakness in access/aggregation. Q4 2026 guidance: $272–292M revenue, non-GAAP operating margin 1–5%. Cash position $71.7M; free cash flow negative $39.4M in Q3.
Why this rating
Flat YoY revenue with margin pressure is routine for this stage. Growth in niche segments (optical, hyperscale) is encouraging but modest relative to $706M market cap. Negative FCF and weak guidance reflect near-term headwinds; long-term optical/AI tailwinds not yet material.
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