Main Street Capital insider adds shares via dividend reinvestment plan

Rhea-AI Filing Summary

Main Street Capital (MAIN) reported routine insider share acquisitions by an officer (President, CIO and SMD) through its dividend reinvestment plan. The transactions were coded “J” with a footnote stating they were dividend reinvestments exempt from Section 16 under Rule 16a-11.

On 09/15/2025, the officer acquired 49.0562 shares at $66.86 and 45.677 shares at $66.98. On 09/26/2025, the officer acquired 56.702 shares at $63.72. Following these transactions, beneficial ownership stood at 404,302.3593 shares, held directly.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Magdol David L.

Role PRESIDENT, CIO AND SMD

Type	Security	Shares	Price	Value
Other	Common Stock	56.702	$63.72	$4K
Other	Common Stock	49.056	$66.86	$3K
Other	Common Stock	45.677	$66.98	$3K

Holdings After Transaction: Common Stock — 404,302.359 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Magdol David 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	PRESIDENT, CIO AND SMD

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	49.0562	A	$66.86	404,199.9803	D
Common Stock	09/15/2025		J(1)	V	45.677	A	$66.98	404,245.6573	D
Common Stock	09/26/2025		J(1)	V	56.702	A	$63.72	404,302.3593	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 insider activity did MAIN report on this Form 4?

An officer acquired small amounts of common stock through a dividend reinvestment plan, reported with code J and noted as exempt under Rule 16a-11.

What were the DRIP purchase details for MAIN on 09/15/2025?

49.0562 shares at $66.86 and 45.677 shares at $66.98.

What was the DRIP purchase for MAIN on 09/26/2025?

56.702 shares at $63.72.

How many MAIN shares does the reporting person own after these transactions?

Beneficial ownership was 404,302.3593 shares, held directly.

What does transaction code J indicate in this MAIN filing?

It was used with a footnote stating the shares were acquired under a dividend reinvestment plan and exempt under Rule 16a-11.

Is this MAIN insider activity an open-market purchase?

The filing states the shares were acquired under a dividend reinvestment plan, not described as open-market purchases.