---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-25-000167"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2025-10-14T23:59:59+00:00"
generated_at: "2026-05-17T03:52:04.270071+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Main Street prelim Q3 DNII $1.01-$1.05/shr; NAV record $32.74-$32.82

## Summary
- Prelim Q3 NII $0.95-$0.99/shr; DNII $1.01-$1.05/shr; DNII pre-tax $1.05-$1.09/shr.
- NAV per share $32.74-$32.82, up 1.3%-1.6% from $32.30; 13th consecutive quarterly record.
- Annualized ROE over 16% for Q3; net fair value increase driven by LMM and private loan portfolios.
- Non-accrual investments 1.2% at fair value, 3.6% at cost as of Sept 30, 2025.
- Paid $0.30/shr supplemental dividend in Sept; full Q3 results on Nov 6, call Nov 7.

## SEC filing metadata
- accession: 0001396440-25-000167
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2025-10-14T23:59:59+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/1396440/000139644025000167/0001396440-25-000167-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644025000167/main-20251014.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-25-000167
- JSON: https://secwatch.observer/filing/0001396440-25-000167.json
- Plain text: https://secwatch.observer/filing/0001396440-25-000167.txt

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