---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-018367"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2026-01-22T23:59:59+00:00"
generated_at: "2026-05-16T09:12:08.727925+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ADTRAN preliminary Q4 revenue $290-293M beats guidance; non-GAAP EPS above consensus

## Summary
- Preliminary Q4 revenue $290-293M, above guidance of $275-285M.
- Preliminary non-GAAP EPS for Q4 exceeds analyst consensus of $0.08 (exact amount TBD).
- Non-GAAP operating margin 6.0%-6.9%, within prior guidance of 3.5%-7.5%.
- Full year preliminary GAAP revenue ~$1.082-1.085B; GAAP operating margin (1.5)%-(1.4)%.
- Final audited results to be released on Feb 25, 2026, with conference call Feb 26.

## SEC filing metadata
- accession: 0001193125-26-018367
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2026-01-22T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000119312526018367/0001193125-26-018367-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000119312526018367/adtn-20260121.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-018367
- JSON: https://secwatch.observer/filing/0001193125-26-018367.json
- Plain text: https://secwatch.observer/filing/0001193125-26-018367.txt

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