What is the director’s MAIN share ownership after these transactions?

Post-transaction holdings are 79,765.5769 shares direct and 1,966 shares indirect (by spouse).

Main Street Capital insider DRIP buys at $58.13–$58.52

Q: How many MAIN shares were acquired and at what prices?

Reported lots include 78.061 shares at $58.38 , 200.667 shares at $58.13 , and 8 shares at $58.52 .

Q: What was the transaction code used on the Form 4?

Code J , with the explanation that the shares were acquired under a dividend reinvestment plan pursuant to Rule 16a-11.

Q: What is the significance of Rule 16a-11 in this context?

It indicates the dividend reinvestment transactions are exempt from Section 16 reporting as described in the explanation of responses.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Main Street Capital (MAIN) director reported routine share acquisitions under a dividend reinvestment plan on 10/15/2025. The filings list common stock purchases coded “J” pursuant to Rule 16a-11: 78.061 shares at $58.38 and 200.667 shares at $58.13 to the director’s account, plus 8 shares at $58.52 credited to a spouse’s account.

Following these transactions, beneficial ownership stands at 79,765.5769 shares direct and 1,966 shares indirect (by spouse).

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider JACKSON JOHN EARL

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	78.061	$58.38	$5K
Other	Common Stock	200.667	$58.13	$12K
Other	Common Stock	8	$58.52	$468.16

Holdings After Transaction: Common Stock — 79,564.91 shares (Direct); Common Stock — 1,966 shares (Indirect, By Wife)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/14/2025 - 04:30 PM

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^*

JACKSON JOHN EARL

(Last)

(First)

(Middle)

1300 POST OAK BLVD

8TH FLOOR

(Street)

HOUSTON

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)
10/15/2025

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/15/2025		J⁽¹⁾	V	78.061	A	$58.38	79,564.9099	D
Common Stock	10/15/2025		J⁽¹⁾	V	200.667	A	$58.13	79,765.5769	D
Common Stock	10/15/2025		J⁽¹⁾	V	8	A	$58.52	1,966	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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	11/14/2025
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider activity did MAIN disclose on Form 4?

A director reported acquisitions of common stock via a dividend reinvestment plan on 10/15/2025.

How many MAIN shares were acquired and at what prices?

Reported lots include 78.061 shares at $58.38, 200.667 shares at $58.13, and 8 shares at $58.52.

What was the transaction code used on the Form 4?

Code J, with the explanation that the shares were acquired under a dividend reinvestment plan pursuant to Rule 16a-11.

Were any derivative securities involved in this MAIN filing?

No derivative securities were listed with acquisitions or dispositions in the provided table.

What is the significance of Rule 16a-11 in this context?

It indicates the dividend reinvestment transactions are exempt from Section 16 reporting as described in the explanation of responses.