Brian E. Lane - 04 May 2026 Form 4 Insider Report for Main Street Capital CORP (MAIN)

Reporting relationship: Director
Issuer ticker: MAIN
Reported as of: 04 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 May 2026, 16:45:25 UTC
Prior SEC filing: 03 Apr 2026
Next SEC filing: 06 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jason B. Beauvais, Attorney-in-Fact

Key filing fact

Brian E. Lane filed Form 4 for Main Street Capital CORP (MAIN) on 06 May 2026.

Key facts

This page summarizes Brian E. Lane's Form 4 filing for Main Street Capital CORP (MAIN).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 06 May 2026, 16:45.

Change

Previous filing in this sequence was filed on 03 Apr 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 0001448240 Primary reporting owner

Lane Brian E.

Relationship: Director
Address: 1300 POST OAK BLVD, 8TH FLOOR, HOUSTON
Signature: /s/ Jason B. Beauvais, Attorney-in-Fact
Signature date: 06 May 2026

Reported non-derivative transactions

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

MAIN transaction

Common Stock

Other

Transaction value
Shares: +62
Change %: +0.12%
Price: $56.39^*
Shares after: 49,952
Date: 15 Apr 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Other

Transaction value
Shares: +161
Change %: +0.32%
Price: $57.83^*
Shares after: 50,113
Date: 15 Apr 2026
Ownership: Direct
Footnotes: F1

MAIN transaction

Common Stock

Award

Transaction value
Shares: +538
Change %: +1.1%
Price: $0.000000^*
Shares after: 50,651
Date: 04 May 2026
Ownership: Direct
Footnotes: F2

MAIN transaction

Common Stock

Award

Transaction value
Shares: +1,345
Change %: +2.7%
Price: $55.76^*
Shares after: 51,996
Date: 04 May 2026
Ownership: Direct
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

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.

Footnote F2

Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan.

Footnote F3

Shares issued under the Main Street Capital Corporation Deferred Compensation Plan.