Main Street Capital CORP 8-K

What Happened
Main Street Capital Corporation (MAIN) filed a Form 8-K on January 15, 2026 to announce a press release containing preliminary estimates of its financial condition and results of operations for the fiscal year ended December 31, 2025. The press release is attached as Exhibit 99.1 to the 8-K and is incorporated by reference into the filing; however, any website content referenced in the release is not incorporated.

Key Details

• The 8-K was filed on January 15, 2026 and includes a press release dated the same day (Exhibit 99.1).
• The press release provides preliminary estimates of MAIN’s financial condition and results for fiscal year ended December 31, 2025.
• The information in the press release is deemed “filed” under Section 18 of the Securities Exchange Act and is incorporated by reference into MAIN’s Securities Act filings.
• The 8-K was signed by Jason B. Beauvais, General Counsel of Main Street Capital Corporation.

Why It Matters
This filing signals that MAIN is disclosing preliminary year-end financial results, which can affect investor expectations about earnings, revenue and other key financial metrics for fiscal 2025. Retail investors should review the attached press release (Exhibit 99.1) for the specific preliminary figures and await the company’s audited or final results for confirmation and any additional context.