SEC Form 4 · accession 0001069725-26-000010

Main Street Capital CORP · MAIN

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Director

Period of report

Jun 15, 2026

Accepted (ET)

Aug 14, 2026 · 4:30 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001396440

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	Jun 15, 2026	J	14	$52.02	A	1,672,871	D
Common Stock	Jun 15, 2026	J	1,161	$52.02	A	1,674,032	D
Common Stock	Jun 29, 2026	J	17	$51.01	A	1,674,049	D
Common Stock	Jun 29, 2026	J	1,373	$51.01	A	1,675,422	D
Common Stock	Jul 15, 2026	J	14	$53.09	A	1,675,436	D
Common Stock	Jul 15, 2026	J	1,172	$53.09	A	1,676,609	D
Common Stock^F2	Jun 15, 2026	J	89	$52.02	A	70,896	I	MS Trust I
Common Stock^F2	Jun 29, 2026	J	105	$51.01	A	71,001	I	MS Trust I
Common Stock^F2	Jul 15, 2026	J	90	$53.09	A	71,091	I	MS Trust I
Common Stock^F2	Jun 15, 2026	J	173	$52.02	A	34,730	I	MS Trust II
Common Stock^F2	Jun 29, 2026	J	203	$51.01	A	34,933	I	MS Trust II
Common Stock^F2	Jul 15, 2026	J	174	$53.09	A	35,106	I	MS Trust II
Common Stock^F2	Jun 15, 2026	J	89	$52.02	A	70,146	I	MS Trust III
Common Stock^F2	Jun 29, 2026	J	105	$51.01	A	70,251	I	MS Trust III
Common Stock^F2	Jul 15, 2026	J	90	$53.09	A	70,340	I	MS Trust III
Common Stock^F2	holding	—	—		—	33,300	I	MS Trust V

No Table II lines on this filing.

F1The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
F2Family trust