Main Street (MAIN) director DRIP buys; now holds 48,108.5378

Main Street Capital (MAIN) reported insider activity: a director acquired shares through a dividend reinvestment plan.

Rhea-AI Filing Summary

Main Street Capital (MAIN) reported insider activity: a director acquired shares through a dividend reinvestment plan. On 09/15/2025, the director acquired 49.025 shares at $66.98 and 134.091 shares at $65.17. On 09/26/2025, the director acquired 60.858 shares at $63.72 and 161.899 shares at $63.75.

Following these transactions, beneficial ownership stands at 48,108.5378 shares, held directly. The transactions were coded “J” and noted as dividend reinvestments exempt under Rule 16a-11.

Insider Trade Summary

Other: 405.873 shares

Other 4 txns

Insider Lane Brian E.

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	60.858	$63.72	$4K
Other	Common Stock	161.899	$63.75	$10K
Other	Common Stock	49.025	$66.98	$3K
Other	Common Stock	134.091	$65.17	$9K

Holdings After Transaction: Common Stock — 48,108.5378 shares (Direct)

Footnotes (1)

1. F1. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Main Street Capital (MAIN) disclose in this Form 4?

A director acquired shares via a dividend reinvestment plan on 09/15/2025 and 09/26/2025, with post-transaction holdings of 48,108.5378 shares.

How many shares did the MAIN director acquire and at what prices?

Acquisitions: 49.025 at $66.98, 134.091 at $65.17, 60.858 at $63.72, and 161.899 at $63.75.

What is the director’s current beneficial ownership in MAIN?

The director beneficially owns 48,108.5378 shares, held directly, after the reported transactions.

What is transaction code J in this context?

Code J indicates transactions under a dividend reinvestment plan, noted as exempt from Section 16 under Rule 16a-11.

Were these acquisitions open-market purchases?

No. They were dividend reinvestments under the company’s plan, not open-market buys.

What is the role of the reporting person at MAIN?

The reporting person is a Director of Main Street Capital.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 10/14/2025 - 04:35 PM EDT Learn about SEC filing dates

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
Estimated average burden
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^*

Lane Brian E.

(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
	Officer (give title below)		Other (specify below)

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	49.025	A	$66.98	47,751.6898	D
Common Stock	09/15/2025		J(1)	V	134.091	A	$65.17	47,885.7808	D
Common Stock	09/26/2025		J(1)	V	60.858	A	$63.72	47,946.6388	D
Common Stock	09/26/2025		J(1)	V	161.899	A	$63.75	48,108.5378	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.