Main Street Capital director adds shares via DRIP

Main Street Capital director Brian E. Lane increased his holdings through a dividend reinvestment plan.

Rhea-AI Filing Summary

Main Street Capital director Brian E. Lane increased his holdings through a dividend reinvestment plan. On February 13, 2026, he recorded two Form 4 transactions coded J in the company’s common stock. These covered 56.681 shares at $60.89 and 154.553 shares at $59.44.

The footnote explains the shares were acquired under a dividend reinvestment plan in a transaction exempt from Section 16 under Rule 16a-11, indicating a routine, automatic reinvestment of cash dividends rather than an open-market trade.

Insider Trade Summary

Other: 211.234 shares

Other 2 txns

Insider Lane Brian E.

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	56.681	$60.89	$3K
Other	Common Stock	154.553	$59.44	$9K

Holdings After Transaction: Common Stock — 49,374.7458 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

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Main Street Capital (MAIN) insider Brian E. Lane report on this Form 4?

Director Brian E. Lane reported two small acquisitions of Main Street Capital common stock. These transactions arose from a dividend reinvestment plan, not open-market trading, and reflect automatic reinvestment of cash dividends into additional shares under Rule 16a-11.

How many Main Street Capital (MAIN) shares were involved in Lane’s latest Form 4?

The Form 4 shows two transactions: 56.681 shares at $60.89 and 154.553 shares at $59.44. Both relate to Main Street Capital common stock and were processed through a dividend reinvestment plan rather than discretionary market purchases or sales.

Was Brian E. Lane buying or selling Main Street Capital (MAIN) shares?

Lane’s filing reflects acquisitions through a dividend reinvestment plan, not traditional open-market buying or selling. Cash dividends were automatically reinvested into Main Street Capital common stock under Rule 16a-11, which treats these as routine, exempt insider transactions.

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

The footnote states Lane acquired shares under a dividend reinvestment plan in a transaction exempt from Section 16 under Rule 16a-11. This indicates the activity is automatic dividend reinvestment, generally viewed as administrative rather than a directional trading signal.

What is transaction code J on the Main Street Capital (MAIN) Form 4?

Transaction code J denotes “other acquisition or disposition.” In this case, it is tied to a dividend reinvestment plan under Rule 16a-11, meaning Lane’s additional Main Street Capital shares came from reinvested dividends instead of discretionary stock market trades.

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

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Accepted by SEC EDGAR 03/11/2026 - 04:30 PM EDT 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^*

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)
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	56.681	A	$60.89	49,220.1928	D
Common Stock	02/13/2026		J(1)	V	154.553	A	$59.44	49,374.7458	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.