Main Street Capital (MAIN) director acquires 337.894 shares via dividend reinvestment

Rhea-AI Filing Summary

Main Street Capital CORP director Dunia A. Shive reported acquiring additional common shares through a dividend reinvestment plan. On June 15, 2026, she acquired 107.504 shares at $51.29 per share; on June 29, 2026, 124.019 shares at $51.56; and on July 15, 2026, 106.371 shares at $53.41, all in transactions described as dividend reinvestments exempt from Section 16 under Rule 16a-11.

Insider Trade Summary

Net Buyer: 337.894 shares

Net Buy 3 txns

Insider SHIVE DUNIA A

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock F1	106.371	$53.41	$6K
Other	Common Stock F1	124.019	$51.56	$6K
Other	Common Stock F1	107.504	$51.29	$6K

Holdings After Transaction: Common Stock — 27,485.1253 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.

Key Figures

Shares acquired June 15, 2026: 107.504 shares at $51.29 per share Shares acquired June 29, 2026: 124.019 shares at $51.56 per share Shares acquired July 15, 2026: 106.371 shares at $53.41 per share +1 more

4 metrics

Shares acquired June 15, 2026 107.504 shares at $51.29 per share Common Stock acquired by director via dividend reinvestment

Shares acquired June 29, 2026 124.019 shares at $51.56 per share Common Stock acquired by director via dividend reinvestment

Shares acquired July 15, 2026 106.371 shares at $53.41 per share Common Stock acquired by director via dividend reinvestment

Total restructuring shares 337.894 shares Aggregate shares from three code J dividend reinvestment transactions

Key Terms

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

4 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.

FAQ

What insider activity did Main Street Capital (MAIN) report for Dunia A. Shive?

Dunia A. Shive reported acquiring 337.894 common shares of Main Street Capital through a dividend reinvestment plan in three transactions dated June 15, June 29, and July 15, 2026.

On what dates were the Main Street Capital (MAIN) dividend reinvestment transactions made?

The reported dividend reinvestment transactions occurred on June 15, 2026, June 29, 2026, and July 15, 2026, each resulting in additional Main Street Capital common shares for director Dunia A. Shive.

How many Main Street Capital (MAIN) shares did Dunia A. Shive acquire in each transaction?

She acquired 107.504 shares on June 15, 124.019 shares on June 29, and 106.371 shares on July 15, 2026, all as part of a dividend reinvestment plan for Main Street Capital common stock.

What were the per-share prices in the Main Street Capital (MAIN) Form 4 transactions?

The reported per-share prices were $51.29 on June 15, $51.56 on June 29, and $53.41 on July 15, 2026, for Dunia A. Shive’s dividend reinvestment acquisitions of Main Street Capital common stock.

Were the Main Street Capital (MAIN) insider transactions under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not marked as a plan, and the footnote instead specifies that the shares were acquired through a dividend reinvestment plan exempt under Rule 16a-11.

How are the Main Street Capital (MAIN) transactions characterized under Section 16 rules?

The footnote states that Dunia A. Shive acquired these Main Street Capital shares under a dividend reinvestment plan in a transaction exempt from Section 16 under Rule 16a-11.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/14/2026 - 04:34 PM Accepted by SEC EDGAR 08/14/2026 - 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^*

SHIVE DUNIA A

(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)
06/15/2026

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	06/15/2026		J(1)	V	107.504	A	$51.29	27,254.7353	D
Common Stock	06/29/2026		J(1)	V	124.019	A	$51.56	27,378.7543	D
Common Stock	07/15/2026		J(1)	V	106.371	A	$53.41	27,485.1253	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	08/14/2026
	** 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)