Form 4: Griffin Jon Kevin reports multiple insider transactions in MAIN

Rhea-AI Filing Summary

Griffin Jon Kevin reported multiple insider transaction types in a Form 4 filing for MAIN. The filing lists transactions totaling 211 shares at a weighted average price of $64.04 per share. Following the reported transactions, holdings were 70,406 shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Griffin Jon Kevin

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	17.867	$62.27	$1K
Other	Common Stock	193.566	$64.20	$12K

Holdings After Transaction: Common Stock — 70,406.356 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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)
01/15/2026

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	01/15/2026		J(1)	V	17.867	A	$62.27	70,406.356	D
Common Stock	01/15/2026		J(1)	V	193.566	A	$64.2	70,599.922	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	02/13/2026
	** 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.

FAQ

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

Director Jon Kevin Griffin reported increases in his Main Street Capital common stock holdings. The filing shows two dividend reinvestment transactions on January 15, 2026, that raised his directly owned shares to 70,599.922 under a dividend reinvestment plan exempt from Section 16 rules.

How many Main Street Capital (MAIN) shares did Jon Kevin Griffin acquire through dividend reinvestment?

Jon Kevin Griffin acquired 17.867 Main Street Capital common shares at $62.27 and 193.566 shares at $64.20. Both transactions occurred on January 15, 2026 under a dividend reinvestment plan, as disclosed in the Form 4 footnote explaining the exempt dividend reinvestment transaction.

What is Jon Kevin Griffin’s total Main Street Capital (MAIN) ownership after the reported transactions?

After the January 15, 2026 dividend reinvestment transactions, Jon Kevin Griffin directly owned 70,599.922 Main Street Capital common shares. This total reflects his updated beneficial ownership following the acquisition of additional fractional shares through the company’s dividend reinvestment plan.

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

The reported Main Street Capital transactions were not open-market trades. The Form 4 states that Jon Kevin Griffin acquired the shares through a dividend reinvestment plan, in a dividend reinvestment transaction that is exempt from Section 16 under Rule 16a-11, rather than regular market buying or selling.

What does the transaction code J mean in Jon Kevin Griffin’s Main Street Capital (MAIN) Form 4?

The Form 4 lists transaction code J for both entries, with a footnote explaining they are dividend reinvestment transactions. These transactions reflect shares added under a dividend reinvestment plan exempt from Section 16, not standard open-market purchases or sales of Main Street Capital stock.

Is Jon Kevin Griffin a director or officer of Main Street Capital (MAIN) in this filing?

In this Form 4, Jon Kevin Griffin is identified as a director of Main Street Capital Corp. The filing does not list him as an officer or 10% owner, and the form is filed by one reporting person reflecting his director-level ownership position.