[Form 4] Main Street Capital CORP Insider Trading Activity

Rhea-AI Filing Summary

Main Street Capital (MAIN) disclosed insider share acquisitions by its VP, CAO & Assistant Treasurer via a dividend reinvestment plan. On 09/15/2025, the reporting person acquired 25.2002 shares at $66.98 and 20.239 shares at $66.98. On 09/26/2025, they acquired 30.9364 shares at $63.72 and 25.125 shares at $63.72, all coded J(1).

Following these transactions, beneficial ownership stood at 12,842.0134 shares, held directly. The filing states these were dividend reinvestment transactions exempt from Section 16 under Rule 16a-11.

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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hours per response:			0.5

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

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)
09/15/2025

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	09/15/2025		J(1)	V	25.2002	A	$66.98	12,765.713	D
Common Stock	09/15/2025		J(1)	V	20.239	A	$66.98	12,785.952	D
Common Stock	09/26/2025		J(1)	V	30.9364	A	$63.72	12,816.8884	D
Common Stock	09/26/2025		J(1)	V	25.125	A	$63.72	12,842.0134	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	10/14/2025
	** 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 did Main Street Capital (MAIN) report in this Form 4?

An officer acquired common stock through a dividend reinvestment plan, with transactions coded J(1) and exempt under Rule 16a-11.

Who is the reporting person in MAIN's Form 4?

An officer serving as VP, CAO & Assistant Treasurer.

When did the DRIP acquisitions occur for MAIN?

On 09/15/2025 and 09/26/2025.

How many shares and at what prices were acquired on 09/15/2025?

25.2002 shares at $66.98 and 20.239 shares at $66.98.

How many shares and at what prices were acquired on 09/26/2025?

30.9364 shares at $63.72 and 25.125 shares at $63.72.

What is the beneficial ownership after the reported transactions?

12,842.0134 shares, held directly.

What does transaction code J(1) indicate here?

The shares were acquired under a dividend reinvestment plan, exempt from Section 16 under Rule 16a-11.