---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-23-000084"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2023-07-18T23:59:59+00:00"
generated_at: "2026-06-13T06:57:16.767575+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital preliminary Q2 2023: record NII, DNII, NAV per share; expects Q3 supplemental dividend

## Summary
- Preliminary Q2 NII $1.05-$1.07/sh; DNII $1.11-$1.13/sh; fourth consecutive quarterly records.
- NAV per share estimated $27.66-$27.72, up 1.6%-1.8% from $27.23 at Q1 end.
- Quarterly annualized ROE 18%-20%; DNII exceeded total dividends by over 20%.
- Expects another meaningful supplemental dividend in Q3 2023, eighth consecutive quarterly supplemental dividend.
- Investment portfolio activity: net decreases in LMM ($6.9M), private loan ($11.3M), middle market ($39.4M).

## SEC filing metadata
- accession: 0001396440-23-000084
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2023-07-18T23:59:59+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/1396440/000139644023000084/0001396440-23-000084-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000084/main-20230718.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-23-000084
- JSON: https://secwatch.observer/filing/0001396440-23-000084.json
- Plain text: https://secwatch.observer/filing/0001396440-23-000084.txt

## Key facts
- Earnings Releases
  Main Street Capital CORP reported the fiscal quarter ended June 30, 2023 results: EPS $1.05 to $1.07 per share.
  - Period: the fiscal quarter ended June 30, 2023
  - EPS: $1.05 to $1.07 per share
  - Result: preliminary results
  source text: Main Street Announces Preliminary Estimate of Second Quarter 2023 Operating Results
  evidence_url: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000084/0001396440-23-000084-index.htm

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