Form 4: Lane Brian E. reports multiple insider transactions in MAIN

Rhea-AI Filing Summary

Lane Brian E. reported multiple insider transaction types in a Form 4 filing for MAIN. The filing lists transactions totaling 198 shares at a weighted average price of $63.66 per share. Following the reported transactions, holdings were 49,021 shares.

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

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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)
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	55.195	A	$62.27	49,020.9948	D
Common Stock	01/15/2026		J(1)	V	142.517	A	$64.2	49,163.5118	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).
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FAQ

What insider activity did Main Street Capital (MAIN) report for Brian E. Lane?

Main Street Capital reported that director Brian E. Lane acquired additional common shares through a dividend reinvestment plan. On January 15, 2026, two dividend reinvestment transactions increased his direct ownership to 49,163.5118 shares of Main Street Capital common stock.

How many Main Street Capital (MAIN) shares did Brian E. Lane acquire?

Brian E. Lane acquired 55.195 shares at $62.27 and 142.517 shares at $64.20 through dividend reinvestment. These transactions, executed on January 15, 2026, were part of a dividend reinvestment plan exempt under SEC Rule 16a-11.

What is Brian E. Lane’s total Main Street Capital (MAIN) ownership after the reported transactions?

After the reported dividend reinvestment transactions, Brian E. Lane directly owns 49,163.5118 shares of Main Street Capital common stock. The Form 4 shows this amount as his beneficially owned shares following the January 15, 2026 dividend reinvestment acquisitions.

Were the Main Street Capital (MAIN) insider transactions open-market purchases?

No, the transactions were not open-market purchases. The filing states that Brian E. Lane acquired the shares under a dividend reinvestment plan, describing them as dividend reinvestment transactions exempt from Section 16 under SEC Rule 16a-11.

What transaction code was used in Brian E. Lane’s Main Street Capital (MAIN) Form 4?

The Form 4 uses transaction code J for both entries relating to Brian E. Lane’s Main Street Capital common stock. The footnote explains these code J transactions as acquisitions under a dividend reinvestment plan, qualifying for exemption under SEC Rule 16a-11.

Does Brian E. Lane hold Main Street Capital (MAIN) shares directly or indirectly?

The Form 4 indicates that Brian E. Lane’s Main Street Capital holdings reported in these transactions are owned directly. The ownership code shown is “D” for direct ownership, with no additional nature of indirect beneficial ownership disclosed in the filing.