---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-102401"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2025-08-05T23:59:59+00:00"
generated_at: "2026-05-17T21:16:25.359110+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# ADTRAN Q2 rev $265.1M (+17% YoY); guides Q3 rev $270-280M, non-GAAP op margin 3-7%

## Summary
- Revenue $265.1M, up 17% YoY; GAAP gross margin 37.3%, non-GAAP 41.4%.
- GAAP operating margin (5.0)%; non-GAAP operating margin 3.0%.
- Net cash from operations $32.2M; cash increased $5.0M sequentially to $106.3M.
- Q3 2025 guidance: revenue $270M-$280M, non-GAAP operating margin 3.0%-7.0%.
- CEO cites growth across all categories, market share gains, demand from cloud/AI/edge.

## SEC filing metadata
- accession: 0000950170-25-102401
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2025-08-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000095017025102401/0000950170-25-102401-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000095017025102401/adtn-20250804.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-102401
- JSON: https://secwatch.observer/filing/0000950170-25-102401.json
- Plain text: https://secwatch.observer/filing/0000950170-25-102401.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.