STOCK TITAN

Director John Earl Jackson adds MAIN shares via plans and reinvestment

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

Rhea-AI Filing Summary

Main Street Capital Corp director John Earl Jackson reported routine equity-related transactions in company common stock. On May 4, 2026, he acquired 1,345.050 shares through a dividend reinvestment plan and 538 shares under company equity plans, both reported as awards rather than open-market purchases.

On April 15, 2026, he reported several "other" transactions in common stock, including 9 shares held indirectly "by wife." After these moves, he holds about 84,051.5049 shares directly and 2,016 shares indirectly, reflecting compensation and reinvestment activity rather than discretionary market trading.

Positive

  • None.

Negative

  • None.
Insider JACKSON JOHN EARL
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 85.466 $56.39 $5K
Other Common Stock 213.387 $57.83 $12K
Other Common Stock 9 $57.382 $516.44
Holdings After Transaction: Common Stock — 82,706.455 shares (Direct, null); Common Stock — 2,016 shares (Indirect, By Wife)
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.
Dividend reinvestment acquisition 1,345.050 shares Common Stock via dividend reinvestment on May 4, 2026 at $55.7600
Equity plan award 538 shares Common Stock award on May 4, 2026 at $0.0000
Direct holdings after transactions 84,051.5049 shares Direct ownership in Common Stock after May 4, 2026 award
Indirect holdings by wife 2,016 shares Indirect ownership "By Wife" after April 15, 2026 transaction
Other restructuring shares 307.853 shares Total shares in J-code restructuring-type entries on April 15, 2026
J-code direct transaction at $57.83 213.387 shares Other transaction in Common Stock on April 15, 2026 at $57.8300
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.
Rule 16a-11 regulatory
"dividend reinvestment transaction exempt from Section 16 under Rule 16a-11"
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.
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*
JACKSON JOHN EARL

(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)V85.466A$56.3981,955.0679D
Common Stock04/15/2026J(1)V213.387A$57.8382,168.4549D
Common Stock05/04/2026A(2)538A$082,706.4549D
Common Stock05/04/2026A(3)1,345.05A$55.7684,051.5049D
Common Stock04/15/2026J(1)V9A$57.3822,016IBy Wife
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 insider transactions did MAIN director John Earl Jackson report?

John Earl Jackson reported equity-related acquisitions and adjustments in Main Street Capital CORP common stock, mainly from a dividend reinvestment plan and company equity plans. These were compensation and reinvestment transactions, not open-market buying or selling of shares.

How many MAIN shares did John Earl Jackson acquire on May 4, 2026?

On May 4, 2026, Jackson acquired 1,345.050 Main Street Capital CORP shares via a dividend reinvestment plan and 538 additional shares under company equity plans. Both entries were coded as awards (transaction code A), not open-market purchases.

What are John Earl Jackson’s Main Street Capital (MAIN) holdings after these transactions?

Following the reported transactions, Jackson holds 84,051.5049 Main Street Capital CORP shares directly and 2,016 shares indirectly through his wife. These totals come from the post-transaction share balances disclosed for the relevant direct and indirect ownership entries.

Were John Earl Jackson’s MAIN transactions open-market buys or sales?

The filing shows no open-market buys or sales. The key May 4, 2026 entries are coded “A” as grants or awards, while April 15, 2026 entries with code “J” reflect other non-market acquisitions or dispositions, including a position held indirectly by his wife.

What plans are referenced in John Earl Jackson’s MAIN Form 4 footnotes?

Footnotes state shares were acquired under a dividend reinvestment plan exempt under Rule 16a-11, the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan, and the Main Street Capital Corporation Deferred Compensation Plan. These references emphasize plan-based, non-discretionary equity activity.