[Form 4] Main Street Capital CORP Insider Trading Activity

Rhea-AI Filing Summary

Main Street Capital Corp executive McHugh Ryan reported automatic share acquisitions through a dividend reinvestment plan. On December 15, 2025, he acquired 27.6722 and 22.226 shares of common stock at $62.05 per share in separate transactions. On December 29, 2025, he acquired 33.015 and 26.809 shares at $60.77 per share.

After these dividend reinvestments, his directly held ownership in Main Street Capital common stock increased to between about 12,975 and 13,057 shares, depending on the specific transaction line. The filing explains that these acquisitions were made under a dividend reinvestment plan in a transaction type that is exempt from Section 16 under Rule 16a‑11, meaning they reflect reinvested dividends rather than open-market trading decisions.

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
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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^*

McHugh Ryan

(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)
	VP, CAO & Assistant Treasurer

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	27.6722	A	$62.05	12,974.7079	D
Common Stock	12/15/2025		J(1)	V	22.226	A	$62.05	12,996.9339	D
Common Stock	12/29/2025		J(1)	V	33.015	A	$60.77	13,029.9489	D
Common Stock	12/29/2025		J(1)	V	26.809	A	$60.77	13,056.7579	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 report in this Form 4?

The Form 4 reports that McHugh Ryan, an officer of Main Street Capital Corp, acquired small amounts of common stock through a dividend reinvestment plan in four separate transactions in December 2025.

Who is the reporting person in the MAIN Form 4 filing?

The reporting person is McHugh Ryan, who serves as VP, Chief Accounting Officer (CAO) & Assistant Treasurer of Main Street Capital Corp.

On what dates did McHugh Ryan acquire Main Street Capital (MAIN) shares?

He acquired shares of Main Street Capital common stock on December 15, 2025 and December 29, 2025, in four separate dividend reinvestment transactions.

How many MAIN shares were acquired in each reported transaction?

The filing shows acquisitions of 27.6722 and 22.226 shares on December 15, 2025, and 33.015 and 26.809 shares on December 29, 2025, all as common stock.

What prices were used for the dividend reinvestment share acquisitions for MAIN?

Dividend reinvestments were priced at $62.05 per share for the December 15, 2025 acquisitions and $60.77 per share for the December 29, 2025 acquisitions.

How many Main Street Capital shares does McHugh Ryan hold after these transactions?

After the reported transactions, his directly held Main Street Capital common stock ranges from 12,974.7079 to 13,056.7579 shares across the individual transaction lines, reflecting incremental increases from dividend reinvestment.

Were the MAIN insider share acquisitions open-market purchases?

No. The footnote states that the shares were acquired under a dividend reinvestment plan, as a dividend reinvestment transaction exempt from Section 16 under Rule 16a‑11, rather than discretionary open-market purchases.