---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-24-000216"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2024-10-15T23:59:59+00:00"
generated_at: "2026-05-30T14:30:25.878098+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital prelim Q3 NII $0.99-$1.01, DNII $1.05-$1.07; NAV record $30.54-$30.60

## Summary
- Estimated NII per share $0.99-$1.01; DNII per share $1.05-$1.07, exceeding total dividends by >2%.
- NAV per share of $30.54-$30.60 (+2.5-2.7% QoQ); 18-20% annualized ROE for Q3.
- Non-accrual investments at 1.4% of portfolio at fair value, 3.9% at cost.
- Total Q3 dividends up 7.3% YoY; expects 13th consecutive quarterly supplemental dividend in Q4.
- Private loan investments net +$162.7M; LMM net +$2.0M; middle market net -$4.3M.

## SEC filing metadata
- accession: 0001396440-24-000216
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2024-10-15T23:59:59+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/1396440/000139644024000216/0001396440-24-000216-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644024000216/main-20241015.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-24-000216
- JSON: https://secwatch.observer/filing/0001396440-24-000216.json
- Plain text: https://secwatch.observer/filing/0001396440-24-000216.txt

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