Main Street Capital (MAIN) CEO boosts stake through dividend reinvestment plan

Rhea-AI Filing Summary

Main Street Capital (MAIN) disclosed a small insider share acquisition by its CEO. The reporting person, who is both a director and an officer (CEO, SMD), reported acquiring 371.368 shares of common stock of Main Street Capital Corp. on 11/14/2025 at a price of $58.9 per share. This transaction increased the insider’s beneficial ownership to 451,142.6346 shares, held directly.

The filing explains that the shares were acquired under a dividend reinvestment plan, described as a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11. This indicates the insider chose to reinvest cash dividends into additional company stock, modestly increasing their stake through an automatic program rather than through an open-market purchase.

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).

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)
11/14/2025

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	11/14/2025		J(1)	V	371.368	A	$58.9	451,142.6346	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	12/05/2025
	** 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 transaction did MAIN report in this Form 4?

The filing reports that a director and officer (CEO, SMD) of Main Street Capital Corp. (MAIN) acquired 371.368 shares of common stock on 11/14/2025 at $58.9 per share, increasing their directly held beneficial ownership to 451,142.6346 shares.

How many MAIN shares does the insider own after this transaction?

After the reported transaction, the insider beneficially owns 451,142.6346 shares of Main Street Capital common stock, held directly.

What was the price paid per share in the MAIN insider acquisition?

The reported acquisition of Main Street Capital (MAIN) common stock was at a price of $58.9 per share for the 371.368 shares obtained on 11/14/2025.

How was the insider’s MAIN share acquisition structured?

The filing states that the shares were acquired under a dividend reinvestment plan, as a dividend reinvestment transaction that is exempt from Section 16 under Rule 16a-11.

What is the relationship of the reporting person to Main Street Capital (MAIN)?

The reporting person is both a director and an officer of Main Street Capital Corp., serving as CEO, SMD, and filed the Form 4 as one reporting person.

Was this MAIN insider transaction reported as direct or indirect ownership?

The 451,142.6346 shares of Main Street Capital common stock reported following the transaction are held with direct (D) ownership.