---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-25-000191"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2025-11-12T23:59:59+00:00"
generated_at: "2026-05-16T20:59:38.946896+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital adds Huntington Securities as sales agent under ATM equity program

## Summary
- Added Huntington Securities as an additional sales agent under existing ATM program.
- Program allows up to 20,000,000 shares of common stock to be sold at market.
- Terms are substantially identical to prior equity distribution agreements from March 2025.

## SEC filing metadata
- accession: 0001396440-25-000191
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2025-11-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644025000191/0001396440-25-000191-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644025000191/main-20251112.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-25-000191
- JSON: https://secwatch.observer/filing/0001396440-25-000191.json
- Plain text: https://secwatch.observer/filing/0001396440-25-000191.txt

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