Director at Main Street Capital (NYSE: MAIN) acquires shares through dividend reinvestment plan

Rhea-AI Filing Summary

Main Street Capital CORP director Brian E. Lane reported routine share activity tied to dividend reinvestment. On 2026-05-15, he had two Form 4 transactions coded "J" in the company’s common stock, both classified as other transactions rather than open-market buys or sells.

The footnote states the shares were acquired under a dividend reinvestment plan in a transaction exempt from Section 16 under Rule 16a-11. In total, these restructuring entries covered 264.898 shares, leaving Lane with 52,068.4758 shares of direct common stock ownership after the reported activity.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Lane Brian E.

Role null

Type	Security	Shares	Price	Value
Other	Common Stock	72.309	$50.69	$4K
Other	Common Stock	192.589	$50.45	$10K

Holdings After Transaction: Common Stock — 52,068.476 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Restructuring shares: 264.898 shares First DRIP lot price: $50.45 per share Second DRIP lot price: $50.69 per share +3 more

6 metrics

Restructuring shares 264.898 shares Total shares in J-code restructuring transactions on 2026-05-15

First DRIP lot price $50.45 per share Price for 192.589 common shares in J transaction

Second DRIP lot price $50.69 per share Price for 72.309 common shares in J transaction

Holdings after transactions 52,068.4758 shares Direct common stock owned after latest reported activity

J-code transactions 2 transactions Both classified as other acquisition or disposition on 2026-05-15

Net buy/sell direction Neutral transactionSummary netBuySellDirection for this Form 4

Key Terms

dividend reinvestment plan, Section 16, Rule 16a-11, Form 4, +1 more

5 terms

dividend reinvestment plan financial

"The reporting person acquired these shares under a dividend reinvestment plan"

A dividend reinvestment plan lets shareholders automatically use cash dividends to buy more shares of the same company instead of receiving the money. It matters to investors because it turns regular payouts into a steady way to grow ownership and take advantage of compound returns—like having your savings automatically buy additional slices of a pie over time—while often reducing transaction costs and smoothing purchase timing.

Section 16 regulatory

"dividend reinvestment transaction exempt from Section 16 under Rule 16a-11"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

Rule 16a-11 regulatory

"dividend reinvestment transaction exempt from Section 16 under Rule 16a-11"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

other acquisition or disposition financial

"transaction_code_description": "Other acquisition or disposition""

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 05/28/2026 - 04:31 PM Accepted by SEC EDGAR 05/28/2026 - 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^*

Lane Brian E.

(Last) (First) (Middle)

1300 POST OAK BLVD

8TH FLOOR

(Street)

HOUSTON TEXAS 77056

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/15/2026		J(1)	V	72.309	A	$50.69	52,068.4758	D
Common Stock	05/15/2026		J(1)	V	192.589	A	$50.45	52,261.0648	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	05/28/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

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

Director Brian E. Lane reported two "J" code transactions in Main Street Capital common stock. These were classified as other transactions, linked to a dividend reinvestment plan, rather than open-market purchases or sales, and adjusted his directly held share count modestly.

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

The Form 4 shows restructuring transactions totaling 264.898 Main Street Capital common shares. These entries are associated with a dividend reinvestment plan, rather than discretionary market trades, and represent a relatively small adjustment compared with his overall direct holdings.

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

After the reported transactions, Brian E. Lane directly owns 52,068.4758 shares of Main Street Capital common stock. This figure reflects the small adjustments from the dividend reinvestment-related entries disclosed in the Form 4 for the reported date.

Were the Main Street Capital (MAIN) Form 4 transactions open-market buys or sells?

No. The transactions were coded "J" and described as other acquisitions or dispositions. A footnote explains that the reporting person acquired the shares through a dividend reinvestment plan, exempt from Section 16 under Rule 16a-11, not through open-market trading.

What does the dividend reinvestment footnote mean in Main Street Capital (MAIN) Form 4?

The footnote explains that shares were acquired under a dividend reinvestment plan, in a transaction exempt from Section 16 under Rule 16a-11. This indicates automatic reinvestment of dividends into stock, rather than an active choice to buy shares on the open market.