---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-25-000064"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2025-05-08T23:59:59+00:00"
generated_at: "2026-05-22T03:43:33.041126+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Main Street Q1 NII $1.01/sh, DNII $1.07/sh; NAV $32.03; raises regular dividend 4.2%

## Summary
- Net investment income $89.8M ($1.01/sh); distributable NII $94.8M ($1.07/sh); total investment income $137.0M (+4% YoY).
- NAV per share $32.03, up 1.2% from $31.65 at Dec 31, 2024; annualized ROE 16.5%.
- Regular quarterly dividends increased 4.2% YoY to $0.75/sh; declared $0.30/sh supplemental dividend (15th consecutive).
- LMM portfolio investments $86.2M; private loan $138.2M; net realized loss $29.5M vs $12.4M in prior-year quarter.
- Credit facilities amended with lower margins and extended maturities; Fitch upgraded secured debt to BBB.

## SEC filing metadata
- accession: 0001396440-25-000064
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2025-05-08T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644025000064/0001396440-25-000064-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644025000064/main-20250508.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-25-000064
- JSON: https://secwatch.observer/filing/0001396440-25-000064.json
- Plain text: https://secwatch.observer/filing/0001396440-25-000064.txt

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