---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-069478"
form_type: "8-K"
ticker: "ADTN"
cik: "0000926282"
company_name: "ADTRAN Holdings, Inc."
filed_at: "2025-05-12T23:59:59+00:00"
generated_at: "2026-05-22T01:07:29.430912+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ADTN enters Fifth Amendment waiving defaults, reducing credit line to $350M

## Summary
- Fifth Amendment waives existing events of default from inaccurate financials for Q2/Q3 2024 and covenant breaches.
- Total commitments reduced from $374M to $350M; German borrower sublimit cut from $74M to $50M.
- German borrower prepaid $24M in revolving loans as part of the amendment.
- Borrowers paid a consent fee of 0.025% of each consenting lender's commitment.
- Credit parties reaffirm obligations; general release given to lenders and agent.

## SEC filing metadata
- accession: 0000950170-25-069478
- form_type: 8-K
- ticker: ADTN
- cik: 0000926282
- company_name: ADTRAN Holdings, Inc.
- filed_at: 2025-05-12T23:59:59+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000095017025069478/0000950170-25-069478-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/926282/000095017025069478/adtn-20250506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-069478
- JSON: https://secwatch.observer/filing/0000950170-25-069478.json
- Plain text: https://secwatch.observer/filing/0000950170-25-069478.txt

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