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AI brief of an SEC Form 8-K · Main Street Capital CORP (MAIN)

Main Street Capital Q3 NII falls 3% to $83.8 million; NAV rises to $34.22 per share

Mixed Impact 3 of 5 earnings Written later

Main Street Capital reported third quarter 2026 results in a press release furnished as Exhibit 99.1 to a Form 8-K. Total investment income rose 2% to $142.5 million, but net investment income fell 3% to $83.8 million ($0.89 per share, down from $0.97), and net assets from operations declined 5%, which shareholders should weigh against the $34.22 per share net asset value, up from $33.92 at June 30, 2026.

Key points

  • Net investment income was $83.8 million, or $0.89 per share, versus $86.5 million, or $0.97 per share, in the third quarter of 2025.
  • Total investment income was $142.5 million, up 2% from $139.8 million a year earlier.
  • Net asset value was $34.22 per share at September 30, 2026, up from $33.92 at June 30, 2026, and the company declared a $0.30 per share supplemental dividend payable in December 2026.

The filing

CompanyMain Street Capital CORP (MAIN)
Form8-K, current report
Filed with the SECNov 5, 2026, 4:19 PM ET
Accession number0001396440-26-000156

Items reported: 2.02 Results of Operations

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 10:08 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 05, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.