Main Street Capital (NYSE: MAIN) CEO adds shares via dividend plan

Rhea-AI Filing Summary

Main Street Capital CEO and director Dwayne L. Hyzak reported routine share acquisitions through the company’s dividend reinvestment plan. On December 15, 2025, he acquired 354.042 common shares at $62.05 per share, bringing his direct holdings to 451,496.6766 shares. On December 29, 2025, he acquired another 427.041 shares at $60.77 per share, increasing his direct ownership to 451,923.7176 shares. The filing notes these transactions were dividend reinvestment purchases 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

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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^*

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)
12/15/2025

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	12/15/2025		J(1)	V	354.042	A	$62.05	451,496.6766	D
Common Stock	12/29/2025		J(1)	V	427.041	A	$60.77	451,923.7176	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	01/13/2026
	** 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’s CEO report on this Form 4?

Main Street Capital’s CEO Dwayne L. Hyzak reported acquiring 354.042 shares on December 15, 2025 and 427.041 shares on December 29, 2025 of common stock.

How many Main Street Capital (MAIN) shares does the CEO own after these transactions?

After the December 29, 2025 transaction, Dwayne L. Hyzak directly beneficially owned 451,923.7176 shares of Main Street Capital common stock.

What was the method of share acquisition for MAIN’s CEO?

The CEO acquired the reported shares under a dividend reinvestment plan, meaning cash dividends were automatically used to purchase additional Main Street Capital shares.

At what prices did MAIN’s CEO acquire the shares?

On December 15, 2025, shares were acquired at $62.05 per share, and on December 29, 2025, at $60.77 per share.

Are these MAIN CEO share acquisitions exempt from Section 16 rules?

Yes. The filing states the shares were acquired through a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

Does the MAIN CEO hold these shares directly or indirectly?

The Form 4 shows the CEO’s ownership as direct (D) beneficial ownership for the reported Main Street Capital common stock.