---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-25-007972"
form_type: "8-K"
ticker: "HBIO"
cik: "0001123494"
company_name: "HARVARD BIOSCIENCE INC"
filed_at: "2025-12-17T23:59:59+00:00"
generated_at: "2026-05-16T12:51:58.949701+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Harvard Bioscience closes $40M debt refinancing with BroadOak; extends maturity to 2029, appoints new director

## Summary
- Enters $40M senior secured credit facility (Term A $10M, Term B $22.5M, Term C $7.5M convertible at $1.00) maturing Dec 17, 2029
- Issues warrants to purchase 2M shares of common stock at $0.50 per share; proceeds repay existing Citizens Bank credit facility
- Quarterly amortization on Term A/B begins Dec 31, 2027; amortization and maturity can extend 1 year upon EBITDA milestone
- Appoints Bill Snider (BroadOak Partner) to Board and Compensation Committee; will form Product, Operations & Scientific Advisory Board

## SEC filing metadata
- accession: 0001171843-25-007972
- form_type: 8-K
- ticker: HBIO
- cik: 0001123494
- company_name: HARVARD BIOSCIENCE INC
- filed_at: 2025-12-17T23:59:59+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1123494/000117184325007972/0001171843-25-007972-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1123494/000117184325007972/f8k_121625.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-25-007972
- JSON: https://secwatch.observer/filing/0001171843-25-007972.json
- Plain text: https://secwatch.observer/filing/0001171843-25-007972.txt

## Key facts
- Debt Financings
  HARVARD BIOSCIENCE INC incurred term loan of $10.0 million with BroadOak Income Fund, L.P. at greater of (i) 12.80% from the date of the Loan Agreement through the Loan Agree maturing December 17, 2029.
  - Instrument: term loan
  - Principal: $10.0 million
  - Counterparty: BroadOak Income Fund, L.P.
  - Rate: greater of (i) 12.80% from the date of the Loan Agreement through the Loan Agree
  - Maturity: December 17, 2029
  - Event: incurrence
  source text: The Loan Agreement provides for the following term loans: (i) a term loan in an aggregate principal amount of $10.0 million (the “Term A Loan”), (ii) a term loan in an aggregate principal amount of $22.5 million (the “Term B Loan”) and (iii) a term loan in an aggregate principal amount of $7.5 million (the “Term C Loan”
  evidence_url: https://www.sec.gov/Archives/edgar/data/1123494/000117184325007972/0001171843-25-007972-index.htm
- Debt Financings
  HARVARD BIOSCIENCE INC incurred convertible notes of $7.5 million with BroadOak Income Fund, L.P. at greater of (i) 12.80% from the date of the Loan Agreement through the Loan Agree maturing December 17, 2029.
  - Instrument: convertible notes
  - Principal: $7.5 million
  - Counterparty: BroadOak Income Fund, L.P.
  - Rate: greater of (i) 12.80% from the date of the Loan Agreement through the Loan Agree
  - Maturity: December 17, 2029
  - Event: incurrence
  source text: The Loan Agreement provides for the following term loans: (i) a term loan in an aggregate principal amount of $10.0 million (the “Term A Loan”), (ii) a term loan in an aggregate principal amount of $22.5 million (the “Term B Loan”) and (iii) a term loan in an aggregate principal amount of $7.5 million (the “Term C Loan”
  evidence_url: https://www.sec.gov/Archives/edgar/data/1123494/000117184325007972/0001171843-25-007972-index.htm
- Debt Financings
  HARVARD BIOSCIENCE INC incurred term loan of $22.5 million with BroadOak Income Fund, L.P. at greater of (i) 12.80% from the date of the Loan Agreement through the Loan Agree maturing December 17, 2029.
  - Instrument: term loan
  - Principal: $22.5 million
  - Counterparty: BroadOak Income Fund, L.P.
  - Rate: greater of (i) 12.80% from the date of the Loan Agreement through the Loan Agree
  - Maturity: December 17, 2029
  - Event: incurrence
  source text: The Loan Agreement provides for the following term loans: (i) a term loan in an aggregate principal amount of $10.0 million (the “Term A Loan”), (ii) a term loan in an aggregate principal amount of $22.5 million (the “Term B Loan”) and (iii) a term loan in an aggregate principal amount of $7.5 million (the “Term C Loan”
  evidence_url: https://www.sec.gov/Archives/edgar/data/1123494/000117184325007972/0001171843-25-007972-index.htm

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