---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-029653"
form_type: "8-K"
ticker: "BCSF"
cik: "0001655050"
company_name: "Bain Capital Specialty Finance, Inc."
filed_at: "2026-01-29T23:59:59+00:00"
generated_at: "2026-05-16T06:27:39.939114+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# BCSF issues $350M of 5.950% notes due 2031; proceeds to repay secured debt

## Summary
- $350M aggregate principal, 5.950% notes due March 1, 2031, interest payable semi-annually.
- Net proceeds of approximately $342.5M after underwriting discounts and estimated offering expenses.
- Proceeds used to repay outstanding secured indebtedness and for general corporate purposes.
- Notes are unsecured obligations, ranking senior to subordinated debt and pari passu with other unsecured unsubordinated debt.
- Company may redeem notes in whole or in part at any time at defined redemption prices.

## SEC filing metadata
- accession: 0001193125-26-029653
- form_type: 8-K
- ticker: BCSF
- cik: 0001655050
- company_name: Bain Capital Specialty Finance, Inc.
- filed_at: 2026-01-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/0001193125-26-029653-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/d12878d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-029653
- JSON: https://secwatch.observer/filing/0001193125-26-029653.json
- Plain text: https://secwatch.observer/filing/0001193125-26-029653.txt

## Key facts
- Debt Financings
  Bain Capital Specialty Finance, Inc. incurred senior notes of $350,000,000 with U.S. Bank Trust Company, National Association at 5.950% maturing March 1, 2031.
  - Instrument: senior notes
  - Principal: $350,000,000
  - Counterparty: U.S. Bank Trust Company, National Association
  - Rate: 5.950%
  - Maturity: March 1, 2031
  - Event: incurrence
  source text: The Fourth Supplemental Indenture relates to the Company's issuance of $350,000,000 aggregate principal amount of its 5.950% notes due 2031 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/0001193125-26-029653-index.htm
- Material Agreements
  Bain Capital Specialty Finance, Inc. entered into Fourth Supplemental Indenture with U.S. Bank Trust Company, National Association valued at $350,000,000 aggregate principal amount (effective 2026-01-29).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: U.S. Bank Trust Company, National Association
  - Value: $350,000,000 aggregate principal amount
  - Effective: 2026-01-29
  source text: On January 29, 2026, Bain Capital Specialty Finance, Inc. (the “Company”) and U.S. Bank Trust Company, National Association (the “Trustee”), entered into a Fourth Supplemental Indenture (the “Fourth Supplemental Indenture”) to the Indenture between the Company and the Trustee, dated March 10, 2021 (the “Base Indenture,” and together with the Fourth Supplemental Indenture, the “Indenture”). The Fourth Supplemental Indenture relates to the Company’s issuance of $350,000,000 aggregate principal amount of its 5.950% notes due 2031 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1655050/000119312526029653/0001193125-26-029653-index.htm

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