Main Street Capital (MAIN) CEO gets stock grant and tax withholding

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Main Street Capital CEO Dwayne L. Hyzak reported several share transactions in the company’s common stock. On April 1, 2026, he received 81,609 shares as a stock grant under the Main Street Capital Corporation 2022 Equity and Incentive Plan. On the same date, 29,202 shares were withheld at $52.96 per share to cover tax liabilities upon vesting of restricted shares, a non–open-market disposition approved by the Compensation Committee. Earlier in March, two small "J"-code transactions totaling 916.345 shares occurred, including shares acquired through a dividend reinvestment plan exempt under Rule 16a-11. Following these transactions, Hyzak directly holds 505,982.7786 shares of Main Street Capital common stock.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Hyzak Dwayne L.

Role CEO, SMD

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	81,609	$0.00	--
Tax Withholding	Common Stock	29,202	$52.96	$1.55M
Other	Common Stock	499.342	$52.92	$26K
Other	Common Stock	417.003	$54.66	$23K

Holdings After Transaction: Common Stock — 535,184.779 shares (Direct)

Footnotes (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. Shares issued under the Main Street Capital Corporation 2022 Equity and Incentive Plan. Shares withheld for payment of tax liability upon vesting of restricted shares granted under the Main Street Capital Corporation 2022 Equity and Incentive Plan. This withholding transaction was approved by the Compensation Committee of Main Street's Board of Directors in accordance with Rule 16b-3(d)(1) of the Securities Exchange Act of 1934 (the "Act"), and as such, the sale is exempt from section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder.

Key Figures

Stock grant shares: 81,609 shares Tax withholding shares: 29,202 shares Tax withholding price: $52.96 per share +3 more

6 metrics

Stock grant shares 81,609 shares Common stock awarded on April 1, 2026 under 2022 Equity and Incentive Plan

Tax withholding shares 29,202 shares Shares withheld at $52.96 per share to cover tax liability on April 1, 2026

Tax withholding price $52.96 per share Value used for shares withheld to pay tax liability

Other J-code shares 916.345 shares Total of two ‘other transaction’ entries in March 2026

Post-transaction holdings 505,982.7786 shares Directly owned Main Street Capital common stock after latest transaction

Dividend reinvestment price example $52.92 per share Price associated with one ‘J’ code transaction on March 27, 2026

Key Terms

dividend reinvestment plan, Main Street Capital Corporation 2022 Equity and Incentive Plan, Rule 16a-11, Rule 16b-3, +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.

Main Street Capital Corporation 2022 Equity and Incentive Plan financial

"Shares issued under the Main Street Capital Corporation 2022 Equity and Incentive Plan"

Rule 16a-11 regulatory

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

Rule 16b-3 regulatory

"approved by the Compensation Committee ... in accordance with Rule 16b-3(d)(1)"

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

restricted shares financial

"tax liability upon vesting of restricted shares granted under the Main Street Capital Corporation 2022 Equity and Incentive Plan"

Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.

Form 4 Insider Transactions: What Each Field Means →

04/03/2026 - 04:30 PM

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)
04/01/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/13/2026		J⁽¹⁾	V	417.003	A	$54.66	453,076.4366	D
Common Stock	03/27/2026		J⁽¹⁾	V	499.342	A	$52.92	453,575.7786	D
Common Stock	04/01/2026		A⁽²⁾		81,609	A	$0	535,184.7786	D
Common Stock	04/01/2026		F⁽³⁾		29,202	D	$52.96	505,982.7786	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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.

2. Shares issued under the Main Street Capital Corporation 2022 Equity and Incentive Plan.

3. Shares withheld for payment of tax liability upon vesting of restricted shares granted under the Main Street Capital Corporation 2022 Equity and Incentive Plan. This withholding transaction was approved by the Compensation Committee of Main Street's Board of Directors in accordance with Rule 16b-3(d)(1) of the Securities Exchange Act of 1934 (the "Act"), and as such, the sale is exempt from section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder.

	/s/ Jason B. Beauvais, Attorney-in-Fact	04/03/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did Main Street Capital (MAIN) CEO Dwayne Hyzak report in this Form 4?

CEO Dwayne Hyzak reported a grant of 81,609 Main Street Capital shares, tax-related share withholding, and small additional transactions. These are compensation and dividend reinvestment-related movements, not open-market buying or selling, and leave him holding 505,982.7786 shares directly.

How many Main Street Capital (MAIN) shares were granted to the CEO?

Dwayne Hyzak received 81,609 shares of Main Street Capital common stock at no cost as a stock award. The filing states these shares were issued under the Main Street Capital Corporation 2022 Equity and Incentive Plan as part of his equity compensation.

Why were 29,202 Main Street Capital (MAIN) shares disposed of in this filing?

The 29,202 shares were withheld to pay tax liabilities when restricted shares vested, at a price of $52.96 per share. This withholding was approved by the Compensation Committee and is described as a tax-liability payment, not an open-market sale.

What are the ‘J’ code transactions in the Main Street Capital (MAIN) Form 4?

The Form 4 shows two ‘J’ code transactions totaling 916.345 shares of Main Street Capital common stock. Footnotes explain these include shares acquired under a dividend reinvestment plan, treated as an exempt dividend reinvestment transaction under SEC Rule 16a-11.

How many Main Street Capital (MAIN) shares does the CEO own after these transactions?

After the reported grant, tax withholding, and other small transactions, Dwayne Hyzak directly holds 505,982.7786 Main Street Capital common shares. This total reflects all non-derivative holdings shown following the latest transaction date in the Form 4.

Were any of the Main Street Capital (MAIN) CEO’s transactions open-market trades?

The reported transactions are a stock grant, tax-withholding disposition, and dividend reinvestment-related entries. Codes A, F, and J and the footnotes indicate compensation and reinvestment mechanisms, not open-market purchases or sales of Main Street Capital stock.