---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-25-000096"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2025-08-07T23:59:59+00:00"
generated_at: "2026-05-17T17:17:58.683271+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Main Street Q2 NII $0.99/share, DNII $1.06; NAV per share record $32.30

## Summary
- Net investment income $88.2M ($0.99/share); distributable NII $94.3M ($1.06/share); total investment income $144.0M.
- NAV per share $32.30, up 0.8% from Q1 2025 and 2.1% from year-end 2024, a new record.
- Regular Q3 dividends declared $0.765/share (4.1% YoY increase); supplemental $0.30/share paid in Q2.
- Record $55.6M realized gain on full exit of one LMM investment; total net realized gains $52.4M.
- LMM portfolio cost basis increased $108.4M; private loan portfolio decreased $34.9M.

## SEC filing metadata
- accession: 0001396440-25-000096
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2025-08-07T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644025000096/0001396440-25-000096-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644025000096/main-20250807.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-25-000096
- JSON: https://secwatch.observer/filing/0001396440-25-000096.json
- Plain text: https://secwatch.observer/filing/0001396440-25-000096.txt

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