John Earl Jackson - 15 Sep 2025 Form 4 Insider Report for Main Street Capital CORP (MAIN)

Role: Director
Signature: /s/ Jason B. Beauvais, Attorney-in-Fact
Issuer symbol: MAIN
Transactions as of: 15 Sep 2025
Net transactions value: +$35,547
Form type: 4
Filing time: 14 Oct 2025, 16:35:10 UTC
Previous filing: 02 Sep 2025
Next filing: 14 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
JACKSON JOHN EARL	Director	1300 POST OAK BLVD, 8TH FLOOR, HOUSTON	/s/ Jason B. Beauvais, Attorney-in-Fact	14 Oct 2025	0001236849

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MAIN	Common Stock	Other	$4,519	+67	+0.09%	$66.98	79,011	15 Sep 2025	Direct	F1
transaction	MAIN	Common Stock	Other	$11,565	+177	+0.22%	$65.17	79,189	15 Sep 2025	Direct	F1
transaction	MAIN	Common Stock	Other	$5,336	+84	+0.11%	$63.72	79,273	26 Sep 2025	Direct	F1
transaction	MAIN	Common Stock	Other	$13,659	+214	+0.27%	$63.75	79,487	26 Sep 2025	Direct	F1
transaction	MAIN	Common Stock	Other	$468	+7	+0.36%	$66.87	1,958	15 Sep 2025	By Wife	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.