[Form 4] Main Street Capital Corporation Insider Trading Activity

Rhea-AI Filing Summary

Main Street Capital director and CEO Dwayne L. Hyzak reported an acquisition of 337.055 shares of Main Street Capital (MAIN) on 07/15/2025 at an average price of $63.57 per share. After the transaction, Hyzak beneficially owned 449,355.2426 shares. The filing states the shares were acquired under the issuer's dividend reinvestment plan, and the transaction was exempt from Section 16 under Rule 16a-11. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person.

Insights

Securities Analyst

TL;DR: Routine insider acquisition via DRIP increases CEO's stake slightly; not material on its own.

This Form 4 documents a small, regular acquisition of 337.055 shares by Dwayne Hyzak through the company's dividend reinvestment plan. The transaction was reported as exempt under Rule 16a-11, which is typical for DRIP purchases and indicates no separate discretionary purchase was made. With beneficial ownership of 449,355.2426 shares post-transaction, the filing provides transparency on insider ownership but does not by itself indicate a change in company strategy or control.

Corporate Governance Expert

TL;DR: Filing is a standard disclosure showing compliance with Section 16 rules and the use of a DRIP; governance implications are minimal.

The report identifies Hyzak as both director and CEO and shows the acquisition was made pursuant to the issuer's dividend reinvestment plan and treated as exempt under Rule 16a-11. The signature by an attorney-in-fact is noted. This is a routine compliance filing that confirms insider participation in the DRIP and continued alignment with shareholders, without signaling any extraordinary governance action.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hyzak Dwayne L.

(Last) (First) (Middle)

1300 POST OAK BLVD, 8TH FLOOR

(Street)

HOUSTON TX 77056

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Main Street Capital CORP [ MAIN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO, SMD

3. Date of Earliest Transaction (Month/Day/Year)
07/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/15/2025		J(1)	V	337.055	A	$63.57	449,355.2426	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

	/s/ Jason B. Beauvais, Attorney-in-Fact	08/14/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Dwayne L. Hyzak report on Form 4 for MAIN?

The report shows Hyzak acquired 337.055 shares of MAIN on 07/15/2025 at $63.57 per share via the dividend reinvestment plan.

How many Main Street Capital shares does Hyzak beneficially own after the reported transaction?

The filing reports Hyzak beneficially owns 449,355.2426 shares following the transaction.

Why was the transaction exempt from Section 16 reporting requirements?

The filing states the shares were acquired under the issuer's dividend reinvestment plan and treated as exempt under Rule 16a-11.

Who signed the Form 4 and when?

The Form 4 was signed by Jason B. Beauvais, Attorney-in-Fact on 08/14/2025.