---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-26-000012"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2026-02-26T23:59:59+00:00"
generated_at: "2026-05-15T23:29:35.912433+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Main Street Q4 2025 NII $1.03/sh, DNII $1.09/sh; NAV $33.33 up 1.7% QoQ

## Summary
- Q4 2025 net investment income of $92.1M ($1.03/sh); distributable NII $98.0M ($1.09/sh).
- Net asset value $33.33/sh as of Dec 31, up $0.55 (1.7%) from Sep 30, 2025; new record.
- Total investments of $300M in LMM portfolio during Q4; $701.6M for full year 2025.
- Full exits from Purge Rite and Mystic Logistics yielded realized gains of $33.9M and $23.8M.
- Regular monthly dividends raised to $0.26/sh for Q1 2026, up 2% from Q4 2025; supplemental $0.30 declared.

## SEC filing metadata
- accession: 0001396440-26-000012
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2026-02-26T23:59:59+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/1396440/000139644026000012/0001396440-26-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000012/main-20260226.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-26-000012
- JSON: https://secwatch.observer/filing/0001396440-26-000012.json
- Plain text: https://secwatch.observer/filing/0001396440-26-000012.txt

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