Main Street Capital previews 2025 results

Main Street Capital Corporation reported that it has issued a press release with preliminary estimates of its financial condition and results of operations for the fiscal year ended December 31, 2025.

Rhea-AI Filing Summary

Main Street Capital Corporation reported that it has issued a press release with preliminary estimates of its financial condition and results of operations for the fiscal year ended December 31, 2025. The company filed this update on a current report, noting that the press release is attached as Exhibit 99.1 and is incorporated by reference into its Securities Act filings. The information in the press release and this update is treated as filed under Section 18 of the Exchange Act, while any content on the company’s website referenced in the press release is expressly excluded from that incorporation.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Main Street Capital (MAIN) disclose in this 8-K filing?

The company disclosed that it issued a press release with preliminary estimates of its financial condition and results of operations for the fiscal year ended December 31, 2025, and filed that release as Exhibit 99.1.

Which period do Main Street Capital’s preliminary estimates cover?

The preliminary estimates described in the press release relate to the fiscal year ended December 31, 2025.

How are the preliminary financial estimates of Main Street Capital treated legally?

The company states that the information in this report, including Exhibit 99.1, is deemed “filed” for purposes of Section 18 of the Exchange Act and is incorporated by reference into its Securities Act filings.

Is Main Street Capital’s website information included in this 8-K disclosure?

No. The company specifies that information on its website referred to in the press release is not incorporated by reference in this report or in Exhibit 99.1 and is not part of the disclosure.

What exhibit is attached to Main Street Capital’s 8-K about 2025 estimates?

The filing includes Exhibit 99.1, which is the press release dated January 15, 2026, containing the preliminary financial estimates, and Exhibit 104, the cover page interactive data file.

Who signed Main Street Capital’s 8-K reporting preliminary 2025 estimates?

The report was signed on behalf of the company by Jason B. Beauvais, General Counsel.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/15/2026 - 10:34 AM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________________________________________________________________

FORM 8-K

__________________________________________________________________________

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) January 15, 2026

__________________________________________________________________________

Main Street Capital Corporation

(Exact name of registrant as specified in its charter)

Maryland	814-00746	41-2230745
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

1300 Post Oak Boulevard, 8th Floor, Houston, Texas		77056
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code:   (713) 350-6000

Not Applicable

___________________________________________________________________________________

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the

registrant under any of the following provisions:

o	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $0.01 per share	MAIN	New York Stock Exchange NYSE Texas

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act

of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition

period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the

Exchange Act. o

Item 2.02Results of Operations and Financial Condition.

On January 15, 2026, the Registrant issued a press release announcing certain preliminary estimates of its financial

condition and results of operations for its fiscal year ended December 31, 2025, as well as other information. A copy of

such press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information disclosed herein, including Exhibit 99.1 hereto, shall be deemed “filed” for purposes of Section 18 of the

Securities Exchange Act of 1934, as amended, and shall be deemed incorporated by reference into the Registrant’s filings

made under the Securities Act of 1933, as amended; provided, however, that information contained on the Registrant’s

website referred to in the press release attached hereto as Exhibit 99.1 is not incorporated by reference herein or in Exhibit

99.1 and is not a part of this Form 8-K or Exhibit 99.1.

Item 9.01Financial Statements and Exhibits.

(d) Exhibits

99.1	Press release dated January 15, 2026
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to

be signed on its behalf by the undersigned hereunto duly authorized.

	Main Street Capital Corporation
Date: January 15, 2026	By:	/s/ Jason B. Beauvais
		Name:    Jason B. Beauvais
		Title:      General Counsel