[Form 4] Main Street Capital Corporation Insider Trading Activity

Rhea-AI Filing Summary

Main Street Capital Corporation (MAIN) Form 4: Reporting person Ryan McHugh, identified as a director and officer (VP, CAO & Assistant Treasurer), reported two non-derivative acquisitions of Common Stock on 08/15/2025 under transaction code J(1). The acquisitions were made through a dividend reinvestment plan exempt under Rule 16a-11 at a per-share price of $67.15. Following the transactions the reported beneficial ownership amounts are 12,720.4008 and 12,740.5128 shares respectively. The Form 4 was signed by an attorney-in-fact on 09/02/2025.

Insights

Financial Analyst

TL;DR: Routine insider share purchases via dividend reinvestment; reflects automatic reinvestment, not open-market buying.

The filing documents two purchases under a dividend reinvestment plan (code J(1)) at $67.15 per share on 08/15/2025. Such transactions typically reflect automatic reinvestment of cash dividends into additional common shares and are exempt from Section 16 reporting under Rule 16a-11. The reported beneficial ownership totals shown are precise to four decimal places, indicating fractional share accounting from reinvestment. This is a procedural ownership increase rather than a discretionary, market-based purchase.

Corporate Governance Expert

TL;DR: Disclosure is complete for a Rule 16a-11 dividend reinvestment acquisition; no governance concerns evident.

The Form 4 identifies the reporting person, role, transaction dates, transaction code (J(1)), price per share, and resulting beneficial ownership figures. The explanatory note explicitly states the shares were acquired under a dividend reinvestment plan exempt from Section 16. The filing is consistent with standard insider reporting practices and includes a signed attorney-in-fact certification dated 09/02/2025. There are no indications of late disclosure within the document itself.

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

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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^*

McHugh Ryan

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, CAO & Assistant Treasurer

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

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	08/15/2025		J(1)	V	25.041	A	$67.15	12,720.4008	D
Common Stock	08/15/2025		J(1)	V	20.112	A	$67.15	12,740.5128	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	09/02/2025
	** 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).
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