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) ~~June~~July 299, 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 12.~~01.Entry~~02Results ~~into~~of aOperations ~~Material~~and ~~Definitive~~Financial ~~Agreement~~Condition.

On ~~June 29~~July 9, 2026, ~~Main~~the ~~Street~~Registrant ~~Capital~~issued ~~Corporation~~a ~~(“Main~~press ~~Street”)~~release. ~~entered~~A ~~into~~copy ~~that~~of ~~certain~~such ~~Ninth~~press ~~Amendment~~release ~~(the~~is attached hereto as Exhibit 99.1 and is

~~“Amendment”)~~incorporated toherein ~~the~~by ~~Third Amended and Restated Credit Agreement dated as of June 5, 2018 (as amended, supplemented~~ reference.

~~and~~The ~~restated~~information ~~prior~~disclosed tounder ~~the~~this ~~Amendment~~Item 2.02, ~~the~~including ~~“Credit~~Exhibit ~~Agreement”~~99.1 ~~and~~hereto, asis ~~amended~~being byfurnished ~~the~~and ~~Amendment,~~shall ~~the~~not ~~“Corporate~~be deemed

~~Facility~~“filed”), ~~among~~for ~~Main~~purposes ~~Street,~~of asSection ~~borrower,~~18 ~~Main~~of ~~Street~~the ~~Capital~~Securities ~~Partners,~~Exchange ~~LLC,~~Act ~~Main~~of ~~Street~~1934 ~~Equity~~and ~~Interests,~~shall ~~Inc.~~not ~~and~~be ~~Main~~deemed incorporated by

~~Street~~reference CAinto ~~Lending,~~any ~~LLC,~~filing asmade ~~guarantors,~~under ~~Truist~~the ~~Bank~~Securities ~~(“Truist”)~~Act of 1933, except as ~~administrative~~expressly ~~agent,~~set ~~and~~forth ~~the~~by ~~lenders~~specific ~~party~~reference ~~thereto.~~in such

~~The Amendment amended the Credit Agreement as follows: (i) revolving commitments by lenders were increased to~~ filing.

~~$1,240~~Item ~~million,~~9.01Financial ~~(ii)~~Statements ~~the~~and ~~accordion feature providing Main Street the right to request increases in commitments from new~~ Exhibits.

~~and~~(d) ~~existing lenders on the same terms and conditions as the existing commitments was increased to up to a total of $1,860~~ Exhibits

million, (iii) the revolving period and the final maturity date were extended through June 2030 and to June 2031,


99.1	Press release dated July 9, 2026
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

respectively, and (iv) other changes as described in the Amendment.

Affiliates of Truist and certain other lenders under the Corporate Facility from time to time receive customary fees and

expenses in the performance of investment banking, financial advisory or other services for Main Street.

The above summary is not complete and is qualified in its entirety to the full text of the Amendment, which is attached

hereto as Exhibit 10.1 and is incorporated herein by reference.

Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet

Arrangement of a Registrant.

The disclosure set forth above under Item 1.01 is incorporated by reference herein.

Item 8.01. Other Events.

On June 30, 2026, Main Street issued a press release related to the Amendment. A copy of such press release is attached

hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

10.1	Ninth Amendment to Third Amended and Restated Credit Agreement, dated as of June 29, 2026, by and among Main Street, the guarantors party thereto, Truist Bank, as administrative agent, and the lenders party thereto
99.1	Press release dated June 30, 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: June 30, 2026	By:	/s/ Jason B. Beauvais
Date: July 9, 2026	By:	/s/ Jason B. Beauvais
		Name: Jason B. Beauvais
		Title: General Counsel

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