---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-23-000115"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2023-10-12T23:59:59+00:00"
generated_at: "2026-06-10T00:37:14.604147+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital expands SPV credit facility by $100M to $355M via Western Alliance Bank joinder

## Summary
- Added Western Alliance Bank as lender and syndication agent, with $100M commitment.
- Total commitments under SPV credit facility increased from $255M to $355M.
- Joinder effective October 5, 2023; funds used to reallocate outstanding advances.
- Facility is part of MSCC Funding I, LLC, with Main Street as collateral manager.

## SEC filing metadata
- accession: 0001396440-23-000115
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2023-10-12T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000115/0001396440-23-000115-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000115/main-20231005.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-23-000115
- JSON: https://secwatch.observer/filing/0001396440-23-000115.json
- Plain text: https://secwatch.observer/filing/0001396440-23-000115.txt

## Key facts
- Debt Financings
  Main Street Capital CORP amended revolving credit of Total commitments under the SPV Credit Agreement increased from $255 million to $355 million with Western Alliance Bank.
  - Instrument: revolving credit
  - Principal: Total commitments under the SPV Credit Agreement increased from $255 million to $355 million
  - Counterparty: Western Alliance Bank
  - Event: amendment
  source text: On October 5, 2023, Main Street Capital Corporation (the “Company”), through its wholly owned subsidiary MSCC Funding I, LLC (“MSCC Funding”), entered into a lender joinder agreement (the “Western Alliance Joinder Agreement”) to the Revolving Credit and Security Agreement by and among MSCC Funding, as borrower, the lenders from time to time party thereto, the Company, as collateral manager, Truist Bank (“Truist”), acting as administrative agent and swingline lender, CitiBank, N.A., acting as collateral agent, document custodian and custodian and Virtus Group, L.P., as collateral administrator (the “SPV Credit Agreement”), to add Western Alliance Bank as Syndication Agent and as a lender and increase total commitments under the SPV Credit Agreement from $255 million to $355 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000115/0001396440-23-000115-index.htm
- Material Agreements
  Main Street Capital CORP amended Western Alliance Joinder Agreement with Western Alliance Bank valued at $355 million (effective 2023-10-05).
  - Action: amendment
  - Agreement: credit facility
  - Counterparty: Western Alliance Bank
  - Value: $355 million
  - Effective: 2023-10-05
  source text: On October 5, 2023, Main Street Capital Corporation (the “Company”), through its wholly owned subsidiary MSCC Funding I, LLC (“MSCC Funding”), entered into a lender joinder agreement (the “Western Alliance Joinder Agreement”) to the Revolving Credit and Security Agreement
  evidence_url: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000115/0001396440-23-000115-index.htm

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