---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-23-000063"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2023-05-04T23:59:59+00:00"
generated_at: "2026-06-15T21:29:05.715246+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Main Street Q1 NII $81.0M ($1.02/sh); DNII $85.4M ($1.07/sh); NAV per share $27.23

## Summary
- Total investment income $120.3M (+51% YoY); interest income $93.4M (+57% YoY).
- Net asset value $27.23/sh, up 1.4% from $26.86 at Dec 31, 2022; ROE 14.9% annualized.
- Regular monthly dividends declared $0.225/sh for Apr-Jun 2023 (+4.7% YoY); supplemental $0.175/sh paid in Q1.
- Liquidity $710.8M incl $671.0M unused credit facility capacity; Corporate Facility commitments increased $60M to $980M.
- External Investment Manager contributed $8.1M to NII; assets under management $1.4B.

## SEC filing metadata
- accession: 0001396440-23-000063
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2023-05-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000063/0001396440-23-000063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000063/main-20230504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-23-000063
- JSON: https://secwatch.observer/filing/0001396440-23-000063.json
- Plain text: https://secwatch.observer/filing/0001396440-23-000063.txt

## Key facts
- Earnings Releases
  Main Street Capital CORP reported First Quarter 2023 results: revenue $120.3 million, net income $81.0 million, EPS $1.02 per share.
  - Period: First Quarter 2023
  - Revenue: $120.3 million
  - Net income: $81.0 million
  - EPS: $1.02 per share
  - Result: reported results
  source text: • Net investment income of $81.0 million (or $1.02 per share) • Distributable net investment income (1) of $85.4 million (or $1.07 per share) • Total investment income of $120.3 million • An industry leading position in cost efficiency, with a ratio of total non-interest operating expenses as a percentage of quarterly average total assets (“Operating Expenses to
  evidence_url: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000063/0001396440-23-000063-index.htm

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