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MAIN · Current Report (Form 8-K) · Filed August 12, 2026

Main Street Capital Corp — Current Report (Form 8-K)

Form
8-K
Filed
August 12, 2026
Period
Aug 11, 2026
Ticker
MAIN
Accession
0001396440-26-000102
Boardroom Alpha · Filing insights

Main Street adds Academy and SMBC Nikko as ATM sales agents and ends its B. Riley agreement.

About Main Street Capital Corp
Market cap
$5.5B
1Y TSR
−4.6%
3Y TSR
+21.7%
Board grade
B+
Sector
Financial Services
CEO
Dwayne L Hyzak
Last annual meeting: May 4, 2026 · View full Main Street Capital Corp profile →
main-20260811
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) August 11, 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 1.01
Entry into a Material Definitive Agreement.
On August 11, 2026, Main Street Capital Corporation (“Main Street”) entered into separate equity distribution
agreements (each, a “New Equity Distribution Agreement”) with each of Academy Securities, Inc. (“Academy”) and
SMBC Nikko Securities America, Inc. (“SMBC Nikko”) on substantially the same terms as Main Street’s equity
distribution agreements, dated March 4, 2025 or November 12, 2025, as applicable (collectively, with each New Equity
Distribution Agreement, the “Equity Distribution Agreements”), entered into with each of Truist Securities, Inc., RBC
Capital Markets, LLC, Raymond James & Associates, Inc. and Huntington Securities, Inc. (together with Academy and
SMBC Nikko, the “Sales Agents”) for the purpose of adding Academy and SMBC Nikko as additional Sales Agents under
Main Street’s existing “at the market” program equity offering. Additionally, effective August 11, 2026, Main Street and
B. Riley Securities, Inc. (“B. Riley”) agreed to terminate the equity distribution agreement, dated March 4, 2025, between
Main Street and B. Riley.
Under the Equity Distribution Agreements, Main Street may, but has no obligation to, issue and sell up to
20,000,000 shares of its common stock, par value $0.01 per share (the “Shares”), from time to time through the Sales
Agents, or to them, as principal for their own account. Further details regarding the Equity Distribution Agreements and the
“at the market” program equity offering are set forth in Main Street’s Current Reports on Form 8-K filed with the U.S.
Securities and Exchange Commission (the “SEC”) on March 5, 2025 and November 12, 2025, which are incorporated
herein by reference.
The foregoing description of the Equity Distribution Agreements is not complete and is qualified in its entirety by
reference to the full text of the Equity Distribution Agreements, a form of which was previously filed as Exhibit 1.1 to
Main Street’s Current Report on Form 8-K filed with the SEC on March 5, 2025 and is incorporated herein by reference.
The “at the market” program equity offering described in this Item 1.01 will be made pursuant to a prospectus
supplement, dated March 4, 2025, and the related prospectus, dated February 28, 2025, each as supplemented from time to
time, which constitute a part of Main Street’s effective shelf registration statement on Form N-2 (File No. 333-285405) that
was filed with the SEC on February 28, 2025.
This Current Report on Form 8-K shall not constitute an offer to sell or a solicitation of an offer to buy any
securities, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or
sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.
Item 9.01
Financial Statements and Exhibits.
(d) Exhibits
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: August 11, 2026
By:
/s/ Jason B. Beauvais
Name:    Jason B. Beauvais
Title:      General Counsel
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Reference

Frequently asked questions

When did Main Street Capital Corp file this 8-K?
Main Street Capital Corp (MAIN) filed this Current Report (Form 8-K) with the SEC on August 12, 2026. The accession number assigned by EDGAR is 0001396440-26-000102.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Main Street adds Academy and SMBC Nikko as ATM sales agents and ends its B. Riley agreement. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Main Street Capital Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Main Street Capital Corp has filed under CIK 1396440, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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