Main Street Capital CEO adds shares via DRIP

Main Street Capital Corp director and CEO Dwayne L. Hyzak recorded a small increase in his holdings through a dividend reinvestment plan.

Rhea-AI Filing Summary

Main Street Capital Corp director and CEO Dwayne L. Hyzak recorded a small increase in his holdings through a dividend reinvestment plan. On May 15, 2026, he acquired 456.458 shares of common stock at $50.69 per share in a transaction coded as "other." This was a routine dividend reinvestment transaction exempt from Section 16 under Rule 16a-11, not an open-market trade. Following the transaction, his direct ownership totaled 506,847.6716 shares of common stock.

Insider Trade Summary

Other: 456.458 shares

Other 1 txn

Insider Hyzak Dwayne L.

Role CEO, SMD

Type	Security	Shares	Price	Value
Other	Common Stock	456.458	$50.69	$23K

Holdings After Transaction: Common Stock — 506,847.6716 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: 456.458 shares Price per share: $50.69 per share Shares owned after: 506,847.6716 shares

3 metrics

Shares acquired 456.458 shares Dividend reinvestment on May 15, 2026

Price per share $50.69 per share Dividend reinvestment transaction

Shares owned after 506,847.6716 shares Direct holdings after 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 insider transaction did Main Street Capital (MAIN) report for Dwayne L. Hyzak?

Main Street Capital reported that CEO and director Dwayne L. Hyzak acquired 456.458 common shares through a dividend reinvestment plan. The transaction was coded as "J" (other) and treated as an exempt dividend reinvestment under Rule 16a-11.

How many Main Street Capital (MAIN) shares did the CEO acquire and at what price?

Dwayne L. Hyzak acquired 456.458 shares of Main Street Capital common stock at $50.69 per share. The shares were obtained automatically through a dividend reinvestment plan rather than via an open-market purchase or sale.

What are Dwayne L. Hyzak’s total Main Street Capital (MAIN) holdings after this Form 4?

After the reported dividend reinvestment, Dwayne L. Hyzak directly holds 506,847.6716 shares of Main Street Capital common stock. This figure reflects his position immediately following the May 15, 2026 dividend reinvestment transaction.

Was the Main Street Capital (MAIN) CEO’s Form 4 transaction an open-market trade?

No, the transaction was not an open-market trade. The Form 4 footnote states the CEO acquired the 456.458 shares under a dividend reinvestment plan in a transaction exempt from Section 16 pursuant to Rule 16a-11.

What does the 'J' transaction code mean in the Main Street Capital (MAIN) Form 4?

The "J" transaction code on the Form 4 indicates "other" acquisition or disposition. In this case, the footnote explains it represents a dividend reinvestment transaction under a dividend reinvestment plan, exempt from Section 16 under Rule 16a-11.

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^*

Hyzak Dwayne L.

(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
X	Officer (give title below)		Other (specify below)
	CEO, SMD

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	456.458	A	$50.69	506,847.6716	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)