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  4. [Form 4] Main Street Capital CORP Insider Trading Activity

Main Street Capital (NYSE: MAIN) insider sells 6,830 shares

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Main Street Capital Corporation executive Jason B. Beauvais, EVP, General Counsel and Secretary, sold 6,830 shares of Common Stock in an open-market transaction on June 30, 2026 at a weighted average price of $51.73 per share, with trade prices ranging from $51.66 to $51.81. After this sale, he directly holds about 196,185 shares of Main Street Capital stock.

Positive

  • None.

Negative

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Insider Beauvais Jason B
Role EVP, GC, SECRETARY
Sold 6,830 shs ($353K)
Type Security Shares Price Value
Sale Common Stock 6,830 $51.73 $353K
Holdings After Transaction: Common Stock — 196,184.91 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Shares sold 6,830 shares Open-market sale of Common Stock on June 30, 2026
Weighted average sale price $51.73 per share Average price across multiple trades on June 30, 2026
Sale price range $51.66–$51.81 per share Range of individual trade prices in the reported sale
Shares owned after transaction 196,184.9099 shares Direct holdings following the June 30, 2026 sale
open-market sale financial
"transaction_action: "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
weighted average price financial
"The price reported is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Common Stock financial
"security_title: "Common Stock""
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
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.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
Beauvais Jason 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP, GC, SECRETARY
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/30/2026S6,830D$51.73(1)196,184.9099D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.66 to $51.81, inclusive. The reporting person undertakes to provide to Main Street Capital Corporation, any of its security holders or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
/s/ Jason B. Beauvais06/30/2026
** Signature of Reporting PersonDate
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) insider Jason B. Beauvais report in this Form 4?

Jason B. Beauvais reported selling 6,830 shares of Main Street Capital Common Stock in an open-market transaction. He is the company’s EVP, General Counsel and Secretary, and the transaction reflects a routine insider sale disclosed to regulators.

How many Main Street Capital (MAIN) shares did Jason B. Beauvais sell and at what price?

He sold 6,830 shares at a weighted average price of $51.73 per share. According to the disclosure, individual sale prices ranged from $51.66 to $51.81, and detailed trade breakdowns are available upon request from the company or the SEC.

How many Main Street Capital (MAIN) shares does Jason B. Beauvais own after the reported sale?

After the sale, Jason B. Beauvais directly holds about 196,185 shares of Main Street Capital Common Stock. This remaining position shows he continues to have substantial equity exposure to the company following the disclosed open-market transaction.

What type of transaction did Main Street Capital (MAIN) insider Jason B. Beauvais execute?

The filing describes an open-market sale of Common Stock, coded as “S” under SEC rules. This indicates Beauvais sold shares directly into the market rather than receiving them as compensation or transferring them as a gift or for tax withholding.

On what date did Jason B. Beauvais’s Main Street Capital (MAIN) stock sale take place?

The sale occurred on June 30, 2026, as reported in the Form 4. All 6,830 shares of Main Street Capital Common Stock were sold on that date across multiple trades within the disclosed price range of $51.66 to $51.81.