Main Street Capital (NYSE: MAIN) director boosts holdings through dividend reinvestment

Rhea-AI Filing Summary

Main Street Capital Corp. reported that one of its directors acquired additional common shares through the company’s dividend reinvestment plan. On 11/14/2025, the director received 56.472 shares at $58.90 per share and 151.538 shares at $58.42 per share in dividend reinvestment transactions classified under code J. These acquisitions increased the director’s directly held beneficial ownership to 48,524.9038 shares of Main Street Capital common stock. The filing notes that these transactions are exempt from Section 16 under Rule 16a-11 because they arise from a dividend reinvestment plan.

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^*

Lane Brian E.

(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)
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	56.472	A	$58.9	48,373.3658	D
Common Stock	11/14/2025		J(1)	V	151.538	A	$58.42	48,524.9038	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 Street Capital (MAIN) report in this Form 4?

The filing reports that a director of Main Street Capital Corp. acquired additional common stock through the company’s dividend reinvestment plan on 11/14/2025, with the shares credited instead of receiving cash dividends.

How many Main Street Capital (MAIN) shares did the director acquire and at what prices?

The director acquired 56.472 shares of Main Street Capital common stock at $58.90 per share and 151.538 shares at $58.42 per share, both as part of dividend reinvestment transactions.

What is the directors total beneficial ownership in Main Street Capital after these transactions?

Following the reported dividend reinvestment transactions, the director directly and beneficially owns 48,524.9038 shares of Main Street Capital common stock, as stated in the Form 4.

How are these Main Street Capital (MAIN) transactions classified under SEC rules?

The transactions are coded as J and described as shares acquired under a dividend reinvestment plan in a dividend reinvestment transaction that is exempt from Section 16 under Rule 16a-11.

Does this Main Street Capital Form 4 involve derivative securities like options or warrants?

The provided Form 4 excerpt includes a table for derivative securities but shows no derivative transactions reported; only non-derivative common stock acquired through dividend reinvestment is disclosed.

Is this Main Street Capital (MAIN) Form 4 filed by one or multiple reporting persons?

The Form 4 is indicated as filed by one reporting person, with the relationship to Main Street Capital identified as a director.