# EDGAR Filing Document

**Accession Number:** 0001396440
**File Stem:** 0001396440-26-000082
**Filing Date:** 2026-6
**Character Count:** 11401
**Document Hash:** 31bace06bbea51874dee91aaded32037
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001396440-26-000082.hdr.sgml**: 20260630

**ACCESSION NUMBER**: 0001396440-26-000082

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20260629

**ITEM INFORMATION**: Entry into a Material Definitive Agreement

**ITEM INFORMATION**: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

**ITEM INFORMATION**: Other Events

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260630

**DATE AS OF CHANGE**: 20260630

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Main Street Capital CORP
- **CENTRAL INDEX KEY:** 0001396440

**ORGANIZATION NAME:**
- **EIN:** 412230745
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 814-00746
- **FILM NUMBER:** 261140441

**BUSINESS ADDRESS:**
- **STREET 1:** 1300 POST OAK BOULEVARD
- **STREET 2:** 8TH FLOOR
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77056
- **BUSINESS PHONE:** (713) 350-6000

**MAIL ADDRESS:**
- **STREET 1:** 1300 POST OAK BOULEVARD
- **STREET 2:** 8TH FLOOR
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77056

?xml version='1.0' encoding='ASCII'? main-20260629

**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 29, 2026**

__________________________________________________________________________

**Main Street Capital Corporation**

(Exact name of registrant as specified in its charter)

---

| | | |
|:---|:---|:---|
| **Maryland** | **814-00746** | **41-2230745** |
| (State or other jurisdiction<br>of incorporation)<br>| (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:

□ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

□ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

□ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

□ 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:

---

| | |
|:---|:---|
| **<u>Title of each class</u>** | **<u>Name of each exchange on which registered</u>** |
| Common Stock, par value $0.01 per share<br> MAIN | New York Stock Exchange<br>NYSE Texas<br>|

---

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 □

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. □

**Item 1.01.** **Entry into a Material Definitive Agreement.**

On June 29, 2026, Main Street Capital Corporation ("Main Street") entered into that certain Ninth Amendment (the

"Amendment") to the Third Amended and Restated Credit Agreement dated as of June 5, 2018 (as amended, supplemented

and restated prior to the Amendment, the "Credit Agreement" and, as amended by the Amendment, the "Corporate

Facility"), among Main Street, as borrower, Main Street Capital Partners, LLC, Main Street Equity Interests, Inc. and Main

Street CA Lending, LLC, as guarantors, Truist Bank ("Truist"), as administrative agent, and the lenders party thereto.

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

$1,240 million, (ii) the accordion feature providing Main Street the right to request increases in commitments from new

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

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

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.**

---

| | |
|:---|:---|
| <u>[10.1](redline-truistxmainstreetc.htm)</u> | <u>[Ninth Amendment to Third Amended and Restated Credit Agreement, dated as of June 29, 2026, by and among](redline-truistxmainstreetc.htm)</u><br><u>[Main Street, the guarantors party thereto, Truist Bank, as administrative agent, and the lenders party thereto](redline-truistxmainstreetc.htm)</u><br>|
| <u>[99.1](main-june 2026xcorpamendmen.htm)</u> | <u>[Press release dated June 30, 2026](main-june 2026xcorpamendmen.htm)</u> |
| 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** | **Main Street Capital Corporation** |
| Date: June 30, 2026 | By: | */s/ Jason B. Beauvais* |
|  |  | Name:&nbsp;&nbsp;&nbsp;&nbsp;Jason B. Beauvais |
|  |  | Title:&nbsp;&nbsp;&nbsp;&nbsp; General Counsel |

---

## Exhibit 99.1

**Exhibit 99.1**

---

| | |
|:---|:---|
| ![mainsta.jpg](mainsta.jpg) | ***NEWS RELEASE*** |
|  | Contacts:<br><u>Main Street Capital Corporation</u><br>Dwayne L. Hyzak, CEO, dhyzak@mainstcapital.com<br>Ryan R Nelson, CFO, rnelson@mainstcapital.com<br>713-350-6000<br><u>Dennard Lascar Investor Relations</u><br>Ken Dennard / ken@dennardlascar.com<br>Zach Vaughan / zvaughan@dennardlascar.com<br>713-529-6600<br>|

---

**Main Street Announces Amendment of its Corporate Credit Facility**

**Total Commitments Increased to $1.240 Billion** 

**Final Maturity Date Extended to June 2031**

**HOUSTON – June 30, 2026** – Main Street Capital Corporation (NYSE: MAIN) ("Main Street") is

pleased to announce the amendment of its revolving credit facility (the "Corporate Facility"). The

recently closed amendment provides an increase in total commitments from $1.175 billion to $1.240

billion, while maintaining an expanded accordion feature that allows for an increase up to $1.860

billion of total commitments from new and existing lenders on the same terms and conditions as the

existing commitments and maintaining the benefits of a diversified group of 18 lenders. The

amendment also extends both the revolving period, or reinvestment period, and the final maturity date

through June 2030 and to June 2031, respectively. In addition, Main Street continues to maintain

options under the amended Corporate Facility which could extend each of the revolving period and the

final maturity of the Corporate Facility for up to two additional years, subject to certain conditions,

including lender approval.

**ABOUT MAIN STREET CAPITAL CORPORATION**

Main Street (www.mainstcapital.com) is a principal investment firm that primarily provides

customized long-term debt and equity capital solutions to lower middle market companies and debt

capital to private companies owned by or in the process of being acquired by a private equity fund.

Main Street's portfolio investments are typically made to support management buyouts,

recapitalizations, growth financings, refinancings and acquisitions of companies that operate in diverse

industry sectors. Main Street seeks to partner with entrepreneurs, business owners and management

teams and generally provides customized "one-stop" debt and equity financing solutions within its

lower middle market investment strategy. Main Street seeks to partner with private equity fund

sponsors and primarily invests in secured debt investments in its private loan investment strategy.

Main Street's lower middle market portfolio companies generally have annual revenues between $10

million and $150 million. Main Street's private loan portfolio companies generally have annual

revenues between $25 million and $500 million.

Main Street, through its wholly-owned portfolio company MSC Adviser I, LLC ("MSC Adviser"),

also maintains an asset management business through which it manages investments for external

parties. MSC Adviser is registered as an investment adviser under the Investment Advisers Act of

1940, as amended.

**FORWARD-LOOKING STATEMENTS**

This press release contains certain forward-looking statements, including but not limited to the

availability of future financing capacity under the Corporate Facility, which are based upon Main

Street management's current expectations and are inherently uncertain. Any such statements other than

statements of historical fact are likely to be affected by other unknowable future events and conditions,

including elements of the future that are or are not under Main Street's control, and that Main Street

may or may not have considered; accordingly, such statements cannot be guarantees or assurances of

any aspect of future performance. Actual performance, events and results could vary materially from

these estimates and projections of the future as a result of a number of factors, including those

described from time to time in Main Street's filings with the Securities and Exchange Commission.

Such statements speak only as of the time when made and are based on information available to Main

Street as of the date hereof and are qualified in their entirety by this cautionary statement. Main Street

assumes no obligation to revise or update any such statement now or in the future.

# # #