---
schema_version: "secwatch.filing_event.v1"
accession: "0001297184-21-000041"
form_type: "8-K"
ticker: "AMPH"
cik: "0001297184"
company_name: "Amphastar Pharmaceuticals, Inc."
filed_at: "2021-08-09T23:59:59+00:00"
generated_at: "2026-06-29T18:09:42.293120+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Amphastar refinances existing debt with new $140M credit facility from Capital One, East West

## Summary
- New $140M credit facility comprises $70M term loan and $70M revolving line, both five-year maturity.
- Proceeds used to repay all amounts owed to former lenders Cathay Bank and East West; certain mortgage debt to East West remains.
- Interest rates: LIBOR plus 1.75%-2.50% or Base Rate plus 0.75%-1.50% based on leverage ratio.
- Covenants: max total net leverage 2.50x, min fixed charge coverage 1.25x, tested quarterly.

## SEC filing metadata
- accession: 0001297184-21-000041
- form_type: 8-K
- ticker: AMPH
- cik: 0001297184
- company_name: Amphastar Pharmaceuticals, Inc.
- filed_at: 2021-08-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 1.02, 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1297184/000129718421000041/0001297184-21-000041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1297184/000129718421000041/amph-20210804x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001297184-21-000041
- JSON: https://secwatch.observer/filing/0001297184-21-000041.json
- Plain text: https://secwatch.observer/filing/0001297184-21-000041.txt

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