---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-122762"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2024-11-07T23:59:59+00:00"
generated_at: "2026-05-30T04:13:10.001388+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ADTN Q3 revenue $227.7M, above guidance midpoint; non-GAAP op margin positive 1.1%

## Summary
- GAAP diluted loss per share $0.36; non-GAAP diluted loss per share $0.05.
- GAAP gross margin 37.4%; non-GAAP gross margin 42.1%, up sequentially.
- GAAP operating margin -10.5% (improved); non-GAAP operating margin 1.1% (positive).
- Q4 2024 revenue guidance: $230M-$245M; non-GAAP op margin 0%-4%.
- CEO cites recovery in service provider spending and customer acquisition growth.

## SEC filing metadata
- accession: 0000950170-24-122762
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2024-11-07T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000095017024122762/0000950170-24-122762-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000095017024122762/adtn-20241106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-122762
- JSON: https://secwatch.observer/filing/0000950170-24-122762.json
- Plain text: https://secwatch.observer/filing/0000950170-24-122762.txt

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