---
schema_version: "secwatch.filing_event.v1"
accession: "0001396440-26-000068"
form_type: "8-K"
ticker: "MAIN"
cik: "0001396440"
company_name: "Main Street Capital CORP"
filed_at: "2026-05-07T23:59:59+00:00"
generated_at: "2026-05-14T21:32:41.359724+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Main Street Capital Q1 NII $0.93/share, DNII $1.00; raises regular dividend 4% YoY

## Summary
- Q1 NII $84.6M ($0.93/sh), DNII $90.8M ($1.00/sh), DNII before taxes $94.1M ($1.04/sh).
- Total investment income $140.1M (+2% YoY); interest income up $7.3M, dividend income down $7.8M, fee income up $3.6M.
- Declared regular monthly dividends of $0.26/month for Q2 2026 (+4% YoY) plus $0.30 supplemental dividend payable June 2026.
- LMM portfolio grew $157.1M (net) to $3.2B fair value; corporate facility expanded $30M to $1.175B; issued $200M March 2029 Notes and $150M April 2031 Notes.

## SEC filing metadata
- accession: 0001396440-26-000068
- form_type: 8-K
- ticker: MAIN
- cik: 0001396440
- company_name: Main Street Capital CORP
- filed_at: 2026-05-07T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000068/0001396440-26-000068-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1396440/000139644026000068/main-20260507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001396440-26-000068
- JSON: https://secwatch.observer/filing/0001396440-26-000068.json
- Plain text: https://secwatch.observer/filing/0001396440-26-000068.txt

## Source-grounded claims
- claim_id: 3d323101b8b884806d4a319348e5881a1a368f0d
  claim: Main Street Capital CORP reported first quarter ended March 31, 2026 results: revenue $140.1 million, net income $84.6 million, EPS $0.93 per share.
  evidence_excerpt: Distributable net investment income (“DNII”) (1) of $90.8 million , or $1.00 per share • DNII before taxes (2) of $94.1 million , or $1.04 per share • Total investment income of $140.1 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/1396440/000139644026000068/0001396440-26-000068-index.htm

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