John Earl Jackson - 15 Jun 2026 Form 4 Insider Report for Main Street Capital CORP (MAIN)

Reporting relationship: Director
Issuer ticker: MAIN
Reported as of: 15 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 14 Aug 2026, 16:30:16 UTC
Prior SEC filing: 11 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jason B. Beauvais, Attorney-in-Fact

Key filing fact

John Earl Jackson filed Form 4 for Main Street Capital CORP (MAIN) on 14 Aug 2026.

Key facts

This page summarizes John Earl Jackson's Form 4 filing for Main Street Capital CORP (MAIN).
8 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 14 Aug 2026, 16:30.

Change

Previous filing in this sequence was filed on 11 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001236849 Primary reporting owner

JACKSON JOHN EARL

Relationship: Director
Address: 1300 POST OAK BLVD, 8TH FLOOR, HOUSTON
Signature: /s/ Jason B. Beauvais, Attorney-in-Fact
Signature date: 14 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MAIN transaction

Common Stock

Other

Transaction value
Shares: +96
Change %: +0.11%
Price: $52.02^*
Shares after: 84,499
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +250
Change %: +0.3%
Price: $51.29^*
Shares after: 84,749
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +114
Change %: +0.13%
Price: $51.01^*
Shares after: 84,863
Date: 29 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +288
Change %: +0.34%
Price: $51.56^*
Shares after: 85,151
Date: 29 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +97
Change %: +0.11%
Price: $53.09^*
Shares after: 85,248
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +247
Change %: +0.29%
Price: $53.41^*
Shares after: 85,495
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +10
Change %: +0.49%
Price: $52.18^*
Shares after: 2,036
Date: 15 Jun 2026
Ownership: By Wife
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +10
Change %: +0.49%
Price: $53.47^*
Shares after: 2,046
Date: 15 Jul 2026
Ownership: By Wife
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.