STOCK TITAN

Main Street Capital (MAIN) director adds to equity stake

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

Rhea-AI Filing Summary

Main Street Capital director Brian E. Lane reported acquiring additional common stock through equity and reinvestment programs. On April 15, 2026 and May 4, 2026, he received several blocks of shares classified as grants, awards, or other transactions rather than open-market purchases or sales.

The filing shows awards of 1,345.05 shares at $55.76 per share and 538 shares at $0.00 per share, along with smaller "other" transactions. Footnotes state that shares were issued under the company’s Non-Employee Director Restricted Stock Plan, Deferred Compensation Plan, and a dividend reinvestment plan exempt from Section 16 under Rule 16a-11. Following these transactions, Lane directly holds roughly 52,000 common shares, indicating these are routine compensation and reinvestment-related acquisitions rather than discretionary trading.

Positive

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Negative

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Insider Lane Brian E.
Role null
Type Security Shares Price Value
Grant/Award Common Stock 538 $0.00 --
Grant/Award Common Stock 1,345.05 $55.76 $75K
Other Common Stock 62.108 $56.39 $4K
Other Common Stock 161.24 $57.83 $9K
Holdings After Transaction: Common Stock — 50,651.117 shares (Direct, null)
Footnotes (1)
  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 Non-Employee Director Restricted Stock Plan. Shares issued under the Main Street Capital Corporation Deferred Compensation Plan.
Stock grant 1,345.05 shares at $55.76 Common stock award on May 4, 2026
Additional grant 538 shares at $0.00 Common stock award on May 4, 2026
Other transaction 161.24 shares at $57.83 J-code other transaction on April 15, 2026
Other transaction 62.108 shares at $56.39 J-code other transaction on April 15, 2026
Post-transaction holdings 51,996.1668 shares Direct common stock owned after May 4, 2026 transactions
Restructuring shares 223.348 shares Total J-code restructuring shares in summary
dividend reinvestment plan financial
"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction..."
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."
Non-Employee Director Restricted Stock Plan financial
"Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan."
Deferred Compensation Plan financial
"Shares issued under the Main Street Capital Corporation Deferred Compensation Plan."
A deferred compensation plan is an arrangement where an employer agrees to pay part of an employee’s pay or bonus at a later date instead of immediately, often to reduce current tax bills or to tie rewards to long-term performance. For investors it matters because these promises create future cash obligations and influence executive incentives and retention; they can affect a company’s reported liabilities, cash flow planning and the risk profile if the business faces financial trouble.
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*
Lane Brian E.

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/04/2026
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 Stock04/15/2026J(1)V62.108A$56.3949,951.8768D
Common Stock04/15/2026J(1)V161.24A$57.8350,113.1168D
Common Stock05/04/2026A(2)538A$050,651.1168D
Common Stock05/04/2026A(3)1,345.05A$55.7651,996.1668D
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.
2. Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan.
3. Shares issued under the Main Street Capital Corporation Deferred Compensation Plan.
/s/ Jason B. Beauvais, Attorney-in-Fact05/06/2026
** 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)

FAQ

What did Main Street Capital (MAIN) director Brian E. Lane report in this Form 4?

Brian E. Lane reported acquiring Main Street Capital common stock through grants, deferred compensation, and dividend reinvestment. The transactions are classified as awards or other acquisitions, not open‑market purchases or sales, and increase his direct ownership stake in the company’s shares.

How many Main Street Capital shares were granted to Brian E. Lane?

Lane received 1,345.05 Main Street Capital common shares at $55.76 per share and an additional 538 shares at $0.00 per share. These are described as grants or awards, reflecting compensation and plan-related issuances rather than open-market buying activity in the company’s stock.

What is Brian E. Lane’s Main Street Capital shareholding after these transactions?

After the reported transactions, Lane holds approximately 51,996 Main Street Capital common shares directly. This figure, disclosed in the filing, shows his overall equity position following the combination of stock grants, deferred compensation issuances, and dividend reinvestment-related share acquisitions.

Were Brian E. Lane’s Main Street Capital transactions open-market buys or sells?

The transactions were not open-market buys or sells. They are coded as grants, awards, or other acquisitions, with footnotes citing the Non-Employee Director Restricted Stock Plan, the Deferred Compensation Plan, and a dividend reinvestment plan exempt from Section 16 under Rule 16a-11.

What plans are involved in Brian E. Lane’s new Main Street Capital shares?

The filing notes shares issued under the Main Street Capital Non-Employee Director Restricted Stock Plan and the Deferred Compensation Plan. Additional shares were acquired under a dividend reinvestment plan, identified as a dividend reinvestment transaction exempt from Section 16 under SEC Rule 16a-11.

Do the restructuring (J code) transactions for MAIN indicate buying or selling?

The J-code transactions are labeled as "other acquisition or disposition" and summarized as restructuring activity, not straightforward buys or sells. Footnotes indicate these involve dividend reinvestment and deferred compensation arrangements, suggesting administrative or plan-related share movements rather than discretionary trading decisions.