---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-26-000003"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2026-01-08T23:59:59+00:00"
generated_at: "2026-05-16T11:11:34.745435+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital Q4 2025 private loan commitments total $387.1M

## Summary
- Originated new or increased commitments of $387.1M, funded $231.4M in private loan investments.
- Notable new investments include $133.2M in a coffee/beverage company, $129.2M in satellite software, $52.3M in electrical switch manufacturer.
- As of Dec 31, 2025, private loan portfolio totaled $2.0B at cost across 86 companies.
- Portfolio composition: 93.5% first lien senior secured debt, 6.5% equity/other.

## SEC filing metadata
- accession: 0001396440-26-000003
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2026-01-08T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000003/0001396440-26-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000003/main-20260108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-26-000003
- JSON: https://secwatch.observer/filing/0001396440-26-000003.json
- Plain text: https://secwatch.observer/filing/0001396440-26-000003.txt

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