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

Main Street Capital CORP (MAIN) EVP adds 344.953 DRIP shares in Form 4

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Main Street Capital CORP executive Jason B. Beauvais, EVP, General Counsel and Secretary, reported acquiring small amounts of Common Stock in three separate transactions coded "J". On June 15, June 29 and July 15, 2026, he acquired in total 344.953 shares through a dividend reinvestment plan, with per-share prices ranging from $51.01 to $53.09. The company states these are dividend reinvestment transactions exempt from Section 16 under Rule 16a-11. Post-transaction share holdings are not specified in this filing.

Positive

  • None.

Negative

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Insider Beauvais Jason B
Role EVP, GC, SECRETARY
Type Security Shares Price Value
Other Common Stock F1 109.098 $53.09 $6K
Other Common Stock F1 127.792 $51.01 $7K
Other Common Stock F1 108.063 $52.02 $6K
Holdings After Transaction: Common Stock — 196,529.8629 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.
Shares acquired 2026-06-15 108.063 shares at $52.0200 per share Common Stock acquired in J-coded transaction on June 15, 2026
Shares acquired 2026-06-29 127.792 shares at $51.0100 per share Common Stock acquired in J-coded transaction on June 29, 2026
Shares acquired 2026-07-15 109.098 shares at $53.0900 per share Common Stock acquired in J-coded transaction on July 15, 2026
Total restructuringShares 344.953 shares Aggregate shares in J-coded restructuring transactions reported in summary
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
"transaction exempt from Section 16 under Rule 16a-11"
transaction code J financial
"transaction coded "J" as other acquisition or disposition"

FAQ

What insider activity did MAIN report for Jason B. Beauvais?
Main Street Capital CORP reported that Jason B. Beauvais acquired 344.953 shares of Common Stock in three transactions on June 15, June 29 and July 15, 2026, all through a dividend reinvestment plan.

Were the MAIN insider transactions open-market purchases?
No. The filing states Beauvais acquired the shares under a dividend reinvestment plan, not via open-market purchases. The transactions are coded "J" as other acquisitions or dispositions and are exempt under Rule 16a-11.

What prices were paid in the MAIN dividend reinvestment transactions?
The reported per-share prices were $52.02 for 108.063 shares on June 15, $51.01 for 127.792 shares on June 29, and $53.09 for 109.098 shares on July 15, 2026, all for Main Street Capital Common Stock.

Is the MAIN Form 4 filed under a Rule 10b5-1 trading plan?
The document-level checkbox for a Rule 10b5-1 plan is marked false, indicating the transactions were not affirmatively reported as made under a 10b5-1 trading plan. They are described instead as dividend reinvestment acquisitions.

How many MAIN shares did the insider acquire in total via the DRIP?
Across the three reported dividend reinvestment transactions, Beauvais acquired a total of 344.953 shares of Main Street Capital CORP Common Stock, according to the filing’s transaction summary categorizing them as restructuringShares for code J activity.

What exemption from Section 16 applies to these MAIN transactions?
The footnote explains that the shares were acquired under a dividend reinvestment plan in transactions exempt from Section 16 under Rule 16a-11. This rule provides a specific exemption for certain dividend reinvestment transactions.

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

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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)
06/15/2026		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 Stock06/15/2026J(1)V108.063A$52.02196,292.9729D
Common Stock06/29/2026J(1)V127.792A$51.01196,420.7649D
Common Stock07/15/2026J(1)V109.098A$53.09196,529.8629D
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 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. Beauvais08/14/2026
** 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