---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-25-005288"
form_type: "8-K"
ticker: "HBIO"
cik: "0001123494"
company_name: "HARVARD BIOSCIENCE INC"
filed_at: "2025-08-11T23:59:59+00:00"
generated_at: "2026-05-17T15:09:51.249757+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Harvard Bioscience gets covenant waiver, interest rate jumps to SOFR+700bps; going concern doubt

## Summary
- Waived defaults for failing Q2 2025 financial covenants; no covenant test for Q3 2025.
- Interest rate increased to SOFR+700bps (ABR+650bps); $0.4M fee (1% of debt) payable.
- Must take steps toward refinancing by Dec 5, 2025 or face default; mandatory prepayment on refinancing/sale.
- Minimum liquidity of $3M required; company warns of substantial doubt about going concern.

## SEC filing metadata
- accession: 0001171843-25-005288
- form_type: 8-K
- ticker: HBIO
- cik: 0001123494
- company_name: HARVARD BIOSCIENCE INC
- filed_at: 2025-08-11T23:59:59+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1123494/000117184325005288/0001171843-25-005288-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1123494/000117184325005288/f8k_080825.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-25-005288
- JSON: https://secwatch.observer/filing/0001171843-25-005288.json
- Plain text: https://secwatch.observer/filing/0001171843-25-005288.txt

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