Main Street Capital (NYSE: MAIN) director adds stock via DRIP plan

Rhea-AI Filing Summary

Main Street Capital director Dunia A. Shive increased her holdings through dividend reinvestment. On December 15, 2025, she acquired 79.864 shares of Main Street Capital common stock at $60.77 per share under a dividend reinvestment plan. On December 29, 2025, she acquired an additional 95.963 shares at $59.75 per share through the same plan. After these transactions, she beneficially owned 24,610.5523 shares of common stock, held directly. The filing notes that these dividend reinvestment transactions are 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

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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^*

SHIVE DUNIA A

(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)
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	79.864	A	$60.77	24,514.5893	D
Common Stock	12/29/2025		J(1)	V	95.963	A	$59.75	24,610.5523	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 director Dunia A. Shive report on this Form 4?

Dunia A. Shive, a director of Main Street Capital, reported acquiring additional common stock through a dividend reinvestment plan in two separate transactions in December 2025.

How many Main Street Capital (MAIN) shares did Dunia A. Shive acquire and on what dates?

She acquired 79.864 shares of common stock on December 15, 2025 and 95.963 shares on December 29, 2025, both reported as acquisitions of non-derivative securities.

At what prices were the Main Street Capital (MAIN) shares acquired under the dividend reinvestment plan?

The December 15, 2025 acquisition was at $60.77 per share, and the December 29, 2025 acquisition was at $59.75 per share.

How many Main Street Capital (MAIN) shares does Dunia A. Shive own after these transactions?

Following the reported transactions, Dunia A. Shive beneficially owned 24,610.5523 shares of Main Street Capital common stock, held in direct ownership.

What is the nature of the transactions reported by Dunia A. Shive in this MAIN Form 4?

The filing explains that the shares were acquired under a dividend reinvestment plan, and that the dividend reinvestment transactions are exempt from Section 16 under Rule 16a-11.

Does the Form 4 indicate any indirect ownership or related entities for Dunia A. Shive’s MAIN shares?

No. The reported holdings following the transactions are listed as direct (D) ownership, with no nature of indirect beneficial ownership specified.