Jon Kevin Griffin - 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, 16:30:24 UTC
Prior SEC filing: 28 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jason B. Beauvais, Attorney-in-Fact

Key filing fact

Jon Kevin Griffin filed Form 4 for Main Street Capital CORP (MAIN) on 14 Aug 2026.

Key facts

This page summarizes Jon Kevin Griffin's Form 4 filing for Main Street Capital CORP (MAIN).
6 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 28 May 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 0001525628 Primary reporting owner

Griffin Jon Kevin

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: +22
Change %: +0.03%
Price: $52.02^*
Shares after: 73,809
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +256
Change %: +0.35%
Price: $51.29^*
Shares after: 74,065
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +26
Change %: +0.04%
Price: $51.01^*
Shares after: 74,091
Date: 29 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +296
Change %: +0.4%
Price: $51.56^*
Shares after: 74,387
Date: 29 Jun 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +22
Change %: +0.03%
Price: $53.09^*
Shares after: 74,409
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +253
Change %: +0.34%
Price: $53.41^*
Shares after: 74,663
Date: 15 Jul 2026
Ownership: Direct
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.