---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-091207"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2024-08-06T23:59:59+00:00"
generated_at: "2026-05-31T12:54:22.888898+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# ADTRAN Q2 revenue $226M, GAAP net loss $49.9M ($0.63/share); Q3 rev guidance $215-235M

## Summary
- Revenue $226M; GAAP gross margin 36.1%, non-GAAP 41.9%.
- GAAP net loss $49.9M ($0.63 diluted EPS); non-GAAP net loss $18.8M ($0.24).
- Non-GAAP operating margin positive 0.7% (GAAP negative 17.0%).
- Q3 guidance: revenue $215M-$235M; non-GAAP operating margin -1% to +3%.
- CEO Tom Stanton cited growth in customer base across U.S. and Europe.

## SEC filing metadata
- accession: 0000950170-24-091207
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2024-08-06T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000095017024091207/0000950170-24-091207-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000095017024091207/adtn-20240805.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-091207
- JSON: https://secwatch.observer/filing/0000950170-24-091207.json
- Plain text: https://secwatch.observer/filing/0000950170-24-091207.txt

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