Main Street Capital (NYSE: MAIN) director boosts stake through dividend reinvestment

Rhea-AI Filing Summary

Main Street Capital CORP director Stephen B. Solcher reported a routine share adjustment through a dividend reinvestment plan. On the reported date, he acquired 207.97 shares of common stock at $50.45 per share under a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11. Following this transaction, his direct holdings increased to 51,982.0097 shares of Main Street Capital common stock. This was not an open-market purchase or sale, but an automatic reinvestment of dividends.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider SOLCHER STEPHEN B

Role null

Type	Security	Shares	Price	Value
Other	Common Stock	207.97	$50.45	$10K

Holdings After Transaction: Common Stock — 51,982.01 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares acquired: 207.97 shares Dividend reinvestment price: $50.45 per share Post-transaction holdings: 51,982.0097 shares +1 more

4 metrics

Shares acquired 207.97 shares Common stock via dividend reinvestment on 2026-05-15

Dividend reinvestment price $50.45 per share Price used for dividend reinvestment transaction

Post-transaction holdings 51,982.0097 shares Direct common stock position after reinvestment

Restructuring-classified shares 207.97 shares Other transaction (code J) in transaction summary

Key Terms

dividend reinvestment plan, Section 16, Rule 16a-11, Other acquisition or disposition

4 terms

dividend reinvestment plan financial

"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."

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

"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."

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

"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."

Other acquisition or disposition financial

"transaction_code_description: Other acquisition or disposition"

Form 4 Insider Transactions: What Each Field Means →

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^*

SOLCHER STEPHEN B

(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	207.97	A	$50.45	51,982.0097	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 insider transaction did MAIN director Stephen B. Solcher report?

Stephen B. Solcher reported acquiring additional Main Street Capital common shares through a dividend reinvestment plan. The Form 4 shows this as a routine reinvestment transaction, rather than an open-market trade, and classifies it as an other acquisition or disposition under code J.

How many MAIN shares were acquired in the dividend reinvestment transaction?

The filing shows 207.97 shares of Main Street Capital common stock acquired. These shares were obtained automatically when cash dividends were reinvested, rather than purchased on the open market, as part of the company’s dividend reinvestment plan for shareholders.

What price per share was used for the MAIN dividend reinvestment?

The dividend reinvestment transaction used a price of $50.45 per share for Main Street Capital common stock. This price is applied within the plan to convert cash dividends into additional shares instead of paying the dividend entirely in cash.

How many MAIN shares does Stephen B. Solcher hold after this transaction?

After the dividend reinvestment, Stephen B. Solcher directly holds 51,982.0097 shares of Main Street Capital common stock. This figure reflects his updated position following the addition of 207.97 shares through the company’s dividend reinvestment plan described in the Form 4.

Was the MAIN insider transaction an open-market buy or sell?

No, the transaction was not an open-market buy or sell. The Form 4 footnote explains the shares were acquired under a dividend reinvestment plan, a type of automatic dividend reinvestment that is exempt from Section 16 reporting rules under SEC Rule 16a-11.