Main Street Capital director updates share holdings

Main Street Capital Corp director Jon Kevin Griffin reported two "other" transactions in Common Stock tied to a dividend reinvestment plan.

Rhea-AI Filing Summary

Main Street Capital Corp director Jon Kevin Griffin reported two "other" transactions in Common Stock tied to a dividend reinvestment plan. On February 13, 2026, he acquired 18.3480 shares at $60.8900 per share and 209.9140 shares at $59.4400 per share under a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11. Following these transactions, he directly holds 70,828.1840 shares of Main Street Capital Corp common stock.

Insider Trade Summary

Other: 228.262 shares

Other 2 txns

Insider Griffin Jon Kevin

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	18.348	$60.89	$1K
Other	Common Stock	209.914	$59.44	$12K

Holdings After Transaction: Common Stock — 70,828.184 shares (Direct)

Footnotes (1)

1. F1. 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.

FAQ

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What did Main Street Capital (MAIN) director Jon Kevin Griffin report in this Form 4?

Director Jon Kevin Griffin reported two "other" transactions in Main Street Capital common stock on February 13, 2026. These transactions reflect dividend reinvestments rather than open-market trades and slightly increased his direct ownership position in the company.

How many Main Street Capital (MAIN) shares were involved in Jon Kevin Griffin’s latest transactions?

Jon Kevin Griffin’s transactions covered a total of 228.2620 Main Street Capital common shares. He acquired 18.3480 shares at $60.8900 and 209.9140 shares at $59.4400, all through a dividend reinvestment arrangement rather than direct market purchases.

What is Jon Kevin Griffin’s Main Street Capital (MAIN) shareholding after these transactions?

After the February 13, 2026 transactions, Jon Kevin Griffin directly holds 70,828.1840 Main Street Capital common shares. This figure reflects his updated ownership following the dividend reinvestment acquisitions disclosed in the Form 4 filing.

Were Jon Kevin Griffin’s Main Street Capital (MAIN) transactions open-market buys or sells?

The transactions were not open-market buys or sells. The Form 4 uses code "J" for other acquisition or disposition, and a footnote explains the shares were acquired through a dividend reinvestment plan under a Section 16 Rule 16a-11 exemption.

What does the dividend reinvestment footnote mean for Main Street Capital (MAIN) investors?

The footnote states Griffin acquired the shares via a dividend reinvestment plan under a Rule 16a-11 exemption. This means cash dividends were automatically reinvested into additional shares, creating small incremental acquisitions without discretionary market trading by the director.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/11/2026 - 04:30 PM Learn about SEC filing dates

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^*

Griffin Jon Kevin

(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)
02/13/2026

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	02/13/2026		J(1)	V	18.348	A	$60.89	70,618.27	D
Common Stock	02/13/2026		J(1)	V	209.914	A	$59.44	70,828.184	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	03/11/2026
	** 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.