---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-26-000082"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2026-06-30T20:02:50+00:00"
generated_at: "2026-06-30T20:04:05.726624+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital increases credit facility to $1.24B, extends maturity to 2031

## Summary
- Total revolving commitments increased from $1.175B to $1.240B via Ninth Amendment.
- Accordion feature allows up to $1.860B total commitments from new and existing lenders.
- Revolving period extended through June 2030; final maturity extended to June 2031.
- Options to further extend revolving period and maturity by up to two additional years, subject to conditions.
- Facility includes a diversified group of 18 lenders; Truist Bank remains administrative agent.

## SEC filing metadata
- accession: 0001396440-26-000082
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2026-06-30T20:02:50+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000082/0001396440-26-000082-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000082/main-20260629.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-26-000082
- JSON: https://secwatch.observer/filing/0001396440-26-000082.json
- Plain text: https://secwatch.observer/filing/0001396440-26-000082.txt

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