[Form 4] Main Street Capital Corporation Insider Trading Activity

Rhea-AI Filing Summary

Main Street Capital Corporation (MAIN) director Stephen B. Solcher acquired 145.885 shares of the issuer's common stock on 08/15/2025 through a dividend reinvestment plan at an effective price of $66.10 per share. After the transaction Mr. Solcher beneficially owned 48,843.3127 shares. The filing notes the dividend reinvestment transaction is exempt from Section 16 under Rule 16a-11.

Positive

• Director acquisition via DRIP increases insider ownership to 48,843.3127 shares
• Transaction reported as exempt under Rule 16a-11, indicating it was part of a dividend reinvestment plan

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine insider purchase via DRIP increases director's stake modestly; no material change to ownership concentration.

The reported acquisition of 145.885 shares via a dividend reinvestment plan is a standard, non-discretionary event that increases the director's direct beneficial position to 48,843.3127 shares. The transaction is reported as exempt under Rule 16a-11, indicating it was part of an established dividend reinvestment program rather than an opportunistic open-market trade. Impact on share count and float is immaterial given the absolute size reported.

Corporate Governance Expert

TL;DR: Disclosure complies with Section 16 reporting; signature by attorney-in-fact and Rule 16a-11 exemption are properly documented.

The Form 4 identifies the reporting person as a director and shows the transaction date, amount acquired, and post-transaction beneficial ownership, satisfying key disclosure elements. The explanation explicitly cites the Rule 16a-11 exemption for dividend reinvestment plans, and the filing is signed by an attorney-in-fact, which is acceptable when properly authorized. This is a routine governance-level disclosure with no escalation of regulatory concern.

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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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^*

SOLCHER STEPHEN B

(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)
08/15/2025

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	08/15/2025		J(1)	V	145.885	A	$66.1	48,843.3127	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/ J, Attorney-in-Fact	09/02/2025
	** 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 did MAIN director Stephen B. Solcher report on Form 4?

He reported acquiring 145.885 shares of Main Street Capital common stock on 08/15/2025 under a dividend reinvestment plan.

How many MAIN shares does Stephen B. Solcher beneficially own after the transaction?

The Form 4 reports 48,843.3127 shares beneficially owned following the reported transaction.

What price was reported for the acquired MAIN shares?

The filing shows an effective price of $66.10 per share for the dividend reinvestment acquisition.

Was this Form 4 transaction exempt from Section 16 reporting requirements?

Yes. The filing states the shares were acquired under a dividend reinvestment plan and were exempt under Rule 16a-11.

Who signed the Form 4 filing for Stephen B. Solcher?

The Form 4 is signed by an attorney-in-fact on behalf of the reporting person, dated 09/02/2025.