Form 4: MAIN director increases stake through dividend reinvestment

Rhea-AI Filing Summary

Jackson John Earl, a director of Main Street Capital Corp (MAIN), reported purchases of Common Stock on 08/15/2025 under the company dividend reinvestment plan. The filing shows acquisitions of 67.037 shares at $67.15 and 174.289 shares at $66.10 increasing his direct beneficial ownership to 78,943.9229 shares after the transactions. In addition, 7 shares were reported as indirectly owned (1,951 shares indirect total) through his wife at a price of $67.266. The filer explains these purchases were dividend reinvestment transactions exempt from Section 16 under Rule 16a-11. The form is signed by an attorney-in-fact on 09/02/2025.

Insights

Securities Analyst

TL;DR: Director Jackson Earl increased his direct stake through dividend reinvestment, adding roughly 241 shares across two direct purchases.

These transactions are routine dividend reinvestments exempt under Rule 16a-11 and were reported on Form 4. The direct purchases total 241.326 shares (67.037 + 174.289) at average prices near the mid-$60s, raising direct beneficial ownership to 78,943.9229 shares. An additional small indirect holding of 7 shares is attributed to his spouse, contributing to an indirect total of 1,951 shares. From a reporting perspective, the filing is clear and follows the expected disclosure for DRIP-based acquisitions.

Corporate Governance Expert

TL;DR: Insider reinvestment signals alignment but is a routine, non-discretionary transaction under the company DRIP.

The form identifies Mr. Earl as a director and shows that the acquisitions were part of a dividend reinvestment plan, which typically qualifies for the Rule 16a-11 affirmative defense. The filing discloses direct and indirect ownership separately and includes an explanatory note and attorney-in-fact signature, meeting procedural disclosure standards. There is no indication of open-market discretionary purchases or material change beyond the reinvestments disclosed.

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^*

JACKSON JOHN EARL

(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	67.037	A	$67.15	78,769.6339	D
Common Stock	08/15/2025		J(1)	V	174.289	A	$66.1	78,943.9229	D
Common Stock	08/15/2025		J	V	7	A	$67.266	1,951	I	By Wife

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	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 Jackson John Earl report on Form 4 for MAIN?

He reported purchases of Common Stock on 08/15/2025 via the dividend reinvestment plan: 67.037 shares at $67.15 and 174.289 shares at $66.10, plus 7 shares indirectly at $67.266.

How many MAIN shares does Jackson John Earl beneficially own after the transactions?

Direct beneficial ownership: 78,943.9229 shares; Indirect (by wife): 1,951 shares as reported.

Were these transactions discretionary purchases or part of a plan?

They were dividend reinvestment transactions exempt from Section 16 under Rule 16a-11, per the filing explanation.

When were the transactions and when was the Form 4 signed?

Transactions date: 08/15/2025. Form signature (by attorney-in-fact): 09/02/2025.

What prices were paid for the shares reported on the Form 4?

Reported prices: $67.15 for 67.037 shares, $66.10 for 174.289 shares, and $67.266 for 7 indirectly held shares.