---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-26-000104"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2026-10-08T13:30:28+00:00"
generated_at: "2026-10-12T15:35:02.452936+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital reports $157.2M Q3 2026 private loan commitments; portfolio at cost ~$2.1B

## Summary
- Q3 2026 activity: $157.2M in new or increased commitments in the private loan portfolio, with $162.0M funded at cost.
- Notable deal: $30.0M first lien senior secured term loan, $16.9M revolver, $18.8M delayed draw term loan and $1.1M equity to a distributor of medium-voltage cables and accessories.
- Second deal: $35.2M term loan, $6.4M revolver, $12.8M delayed draw term loan and $1.6M equity to a provider of manufacturer representation and power systems integration services.
- Third deal: $17.9M first lien senior secured term loan, $5.3M revolver and $1.6M equity to a manufacturer of industrial mixing equipment.
- At September 30, 2026, the private loan portfolio held ~$2.1B at cost across 86 companies: 92.6% first lien senior secured debt, 7.4% equity/other securities.

## SEC filing metadata
- accession: 0001396440-26-000104
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2026-10-08T13:30:28+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000104/0001396440-26-000104-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000104/main-20261008.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-26-000104
- JSON: https://secwatch.observer/filing/0001396440-26-000104.json
- Plain text: https://secwatch.observer/filing/0001396440-26-000104.txt

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