Main Street director adds shares via dividend plan

Main Street Capital CORP director Dunia A. Shive reported an automatic dividend reinvestment transaction in company stock.

Rhea-AI Filing Summary

Main Street Capital CORP director Dunia A. Shive reported an automatic dividend reinvestment transaction in company stock. On May 15, 2026, Shive acquired 108.734 shares of Common Stock at $50.45 per share through the company’s dividend reinvestment plan, rather than via an open-market trade.

After this transaction, Shive directly held a total of 27,147.2313 shares of Main Street Capital CORP Common Stock. The footnote explains that the transaction is exempt from Section 16 under Rule 16a-11, underscoring that this is a routine reinvestment of dividends, not a discretionary market purchase or sale.

Insider Trade Summary

Other: 108.734 shares

Other 1 txn

Insider SHIVE DUNIA A

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock	108.734	$50.45	$5K

Holdings After Transaction: Common Stock — 27,147.2313 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: 108.734 shares Price per share: $50.45 per share Shares held after transaction: 27,147.2313 shares

3 metrics

Shares acquired 108.734 shares Dividend reinvestment on May 15, 2026

Price per share $50.45 per share Dividend reinvestment transaction price

Shares held after transaction 27,147.2313 shares Director’s direct Main Street Capital holdings post-transaction

Key Terms

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

3 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"

FAQ

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

What did Main Street Capital (MAIN) director Dunia A. Shive report on this Form 4?

Dunia A. Shive reported an automatic dividend reinvestment transaction. She obtained additional Main Street Capital Common Stock through the company’s dividend reinvestment plan, which is treated as a routine Section 16-exempt event rather than an open-market trade by the director.

How many Main Street Capital (MAIN) shares were acquired in the dividend reinvestment?

The transaction added 108.734 shares of Main Street Capital Common Stock. These shares were credited under a dividend reinvestment plan at a reported price of $50.45 per share, reflecting reinvested cash dividends rather than a separate cash investment decision by the director.

What is Dunia A. Shive’s total Main Street Capital (MAIN) holding after this transaction?

Following the dividend reinvestment, Dunia A. Shive directly held 27,147.2313 Main Street Capital Common Stock shares. This figure reflects her updated position after the 108.734 shares were added, giving investors a clearer view of her ongoing ownership stake in the company.

Was the Main Street Capital (MAIN) transaction an open-market buy or sell?

No, it was not an open-market buy or sell. The filing labels the code as an “other” transaction and the footnote clarifies the shares were acquired through a dividend reinvestment plan, which automatically uses dividends to purchase additional shares on the holder’s behalf.

Why is the Main Street Capital (MAIN) dividend reinvestment transaction exempt under Rule 16a-11?

The filing states the shares were acquired under a dividend reinvestment plan in a transaction exempt from Section 16 under Rule 16a-11. This rule generally exempts routine dividend reinvestments, which occur automatically and are not discretionary trading decisions by insiders.

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

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Accepted by SEC EDGAR 05/28/2026 - 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^*

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)
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	108.734	A	$50.45	27,147.2313	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)