---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-23-000006"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2023-01-17T23:59:59+00:00"
generated_at: "2026-06-20T14:37:32.190930+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital Q4 2022 preliminary DNII $1.02-$1.04; NAV up 3.4-3.7%

## Summary
- Preliminary Q4 2022 DNII $1.02-$1.04 per share, a record; exceeded monthly dividends by >56%.
- NAV per share estimated $26.83-$26.89, up 3.4-3.7% from Q3 2022 after $0.10 supplemental dividend.
- Record total investment portfolio $3.8B cost basis; LMM portfolio net increase $126.6M in Q4.
- Quarterly ROE annualized over 20%; expects another meaningful supplemental dividend in Q1 2023.
- 2022 dividends $2.945 per share; ~11% qualified dividends, ~89% ordinary income.

## SEC filing metadata
- accession: 0001396440-23-000006
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2023-01-17T23:59:59+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/1396440/000139644023000006/0001396440-23-000006-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000006/main-20230117.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-23-000006
- JSON: https://secwatch.observer/filing/0001396440-23-000006.json
- Plain text: https://secwatch.observer/filing/0001396440-23-000006.txt

## Key facts
- Earnings Releases
  Main Street Capital CORP reported fourth quarter 2022 results: EPS $0.97 to $0.99 per share.
  - Period: fourth quarter 2022
  - EPS: $0.97 to $0.99 per share
  - Result: preliminary results
  source text: Main Street’s preliminary estimate of fourth quarter 2022 net investment income ("NII") is $0.97 to $0.99 per share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1396440/000139644023000006/0001396440-23-000006-index.htm

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