Jon Kevin Griffin

CIK: 0001525628

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (5.4%)

Compensation grants

Other (G, F, J, C, D, …)70 (94.6%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MAIN

Main Street Capital CORP

Director

Discretionary Trading P&L

Holdings

Transaction History (74 total)

MAIN
Main Street Capital CORP
Sep 28, 2026
Other(J)
Direct
25 shares at avg. $55.10$1K
MAIN
Main Street Capital CORP
Sep 28, 2026
Other(J)
Direct
282 shares at avg. $55.07$16K
MAIN
Main Street Capital CORP
Sep 15, 2026
Other(J)
Direct
21 shares at avg. $56.37$1K
MAIN
Main Street Capital CORP
Sep 15, 2026
Other(J)
Direct
242 shares at avg. $56.54$14K
MAIN
Main Street Capital CORP
Aug 14, 2026
Other(J)
Direct
20 shares at avg. $59.23$1K
MAIN
Main Street Capital CORP
Aug 14, 2026
Other(J)
Direct
231 shares at avg. $58.80$14K
MAIN
Main Street Capital CORP
Jul 15, 2026
Other(J)
Direct
22 shares at avg. $53.09$1K
MAIN
Main Street Capital CORP
Jul 15, 2026
Other(J)
Direct
253 shares at avg. $53.41$14K
MAIN
Main Street Capital CORP
Jun 29, 2026
Other(J)
Direct
296 shares at avg. $51.56$15K
MAIN
Main Street Capital CORP
Jun 29, 2026
Other(J)
Direct
26 shares at avg. $51.01$1K
MAIN
Main Street Capital CORP
Jun 15, 2026
Other(J)
Direct
256 shares at avg. $51.29$13K
MAIN
Main Street Capital CORP
Jun 15, 2026
Other(J)
Direct
22 shares at avg. $52.02$1K
MAIN
Main Street Capital CORP
May 15, 2026
Other(J)
Direct
259 shares at avg. $50.45$13K
MAIN
Main Street Capital CORP
May 15, 2026
Other(J)
Direct
22 shares at avg. $50.69$1K
MAIN
Main Street Capital CORP
May 4, 2026
Award(A)
Direct
1.3K shares at avg. $55.76$75K
MAIN
Main Street Capital CORP
May 4, 2026
Award(A)
Direct
538 shares-
MAIN
Main Street Capital CORP
Apr 15, 2026
Other(J)
Direct
219 shares at avg. $57.83$13K
MAIN
Main Street Capital CORP
Apr 15, 2026
Other(J)
Direct
20 shares at avg. $56.39$1K
MAIN
Main Street Capital CORP
Mar 27, 2026
Other(J)
Direct
282 shares at avg. $51.53$15K
MAIN
Main Street Capital CORP
Mar 27, 2026
Other(J)
Direct
25 shares at avg. $52.92$1K
MAIN
Main Street Capital CORP
Mar 13, 2026
Other(J)
Direct
228 shares at avg. $54.89$13K
MAIN
Main Street Capital CORP
Mar 13, 2026
Other(J)
Direct
21 shares at avg. $54.66$1K
MAIN
Main Street Capital CORP
Feb 13, 2026
Other(J)
Direct
210 shares at avg. $59.44$12K
MAIN
Main Street Capital CORP
Feb 13, 2026
Other(J)
Direct
18 shares at avg. $60.89$1K
MAIN
Main Street Capital CORP
Jan 15, 2026
Other(J)
Direct
18 shares at avg. $62.27$1K

		Type	Shares	Price		Ownership
Sep 28, 2026	MAIN Main Street Capital CORP	Other(J)	25	$55.10	$1,354	Direct
Sep 28, 2026	MAIN Main Street Capital CORP	Other(J)	282	$55.07	$15,543	Direct
Sep 15, 2026	MAIN Main Street Capital CORP	Other(J)	21	$56.37	$1,191	Direct
Sep 15, 2026	MAIN Main Street Capital CORP	Other(J)	242	$56.54	$13,666	Direct
Aug 14, 2026	MAIN Main Street Capital CORP	Other(J)	20	$59.23	$1,185	Direct
Aug 14, 2026	MAIN Main Street Capital CORP	Other(J)	231	$58.80	$13,605	Direct
Jul 15, 2026	MAIN Main Street Capital CORP	Other(J)	22	$53.09	$1,180	Direct
Jul 15, 2026	MAIN Main Street Capital CORP	Other(J)	253	$53.41	$13,537	Direct
Jun 29, 2026	MAIN Main Street Capital CORP	Other(J)	296	$51.56	$15,237	Direct
Jun 29, 2026	MAIN Main Street Capital CORP	Other(J)	26	$51.01	$1,327	Direct
Jun 15, 2026	MAIN Main Street Capital CORP	Other(J)	256	$51.29	$13,138	Direct
Jun 15, 2026	MAIN Main Street Capital CORP	Other(J)	22	$52.02	$1,145	Direct
May 15, 2026	MAIN Main Street Capital CORP	Other(J)	259	$50.45	$13,071	Direct
May 15, 2026	MAIN Main Street Capital CORP	Other(J)	22	$50.69	$1,139	Direct
May 4, 2026	MAIN Main Street Capital CORP	Award(A)	1,345	$55.76	$75,000	Direct
May 4, 2026	MAIN Main Street Capital CORP	Award(A)	538	-	$0	Direct
Apr 15, 2026	MAIN Main Street Capital CORP	Other(J)	219	$57.83	$12,664	Direct
Apr 15, 2026	MAIN Main Street Capital CORP	Other(J)	20	$56.39	$1,134	Direct
Mar 27, 2026	MAIN Main Street Capital CORP	Other(J)	282	$51.53	$14,528	Direct
Mar 27, 2026	MAIN Main Street Capital CORP	Other(J)	25	$52.92	$1,301	Direct
Mar 13, 2026	MAIN Main Street Capital CORP	Other(J)	228	$54.89	$12,532	Direct
Mar 13, 2026	MAIN Main Street Capital CORP	Other(J)	21	$54.66	$1,122	Direct
Feb 13, 2026	MAIN Main Street Capital CORP	Other(J)	210	$59.44	$12,477	Direct
Feb 13, 2026	MAIN Main Street Capital CORP	Other(J)	18	$60.89	$1,117	Direct
Jan 15, 2026	MAIN Main Street Capital CORP	Other(J)	18	$62.27	$1,113	Direct

1-25 of 74 transactions

About Griffin Jon Kevin

Griffin Jon Kevin (SEC CIK 0001525628) files insider reports with the SEC as Director of Main Street Capital CORP (MAIN).

Signal8 holds 23 ownership filings by Griffin Jon Kevin, all Form 4s, filed between Oct 17, 2024 and Oct 20, 2026. Those filings report 74 transactions, from Sep 13, 2024 to Sep 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Griffin Jon Kevin's filings is in HOUSTON, TX.

Recent filings by Griffin Jon Kevin

Sep 28, 2026: Other transactions of MAIN shares (2 lines, Form 4, code J).
Sep 15, 2026: Other transactions of MAIN shares (2 lines, Form 4, code J).
Aug 14, 2026: Other transactions of MAIN shares (2 lines, Form 4, code J).
Jul 15, 2026: Other transactions of MAIN shares (2 lines, Form 4, code J).
Jun 29, 2026: Other transactions of MAIN shares (2 lines, Form 4, code J).

Other insiders filing for Main Street Capital CORP (MAIN)

McHugh Ryan, VP, CAO & Assistant Treasurer
SHIVE DUNIA A, Director
Magdol David L., PRESIDENT, CIO AND SMD
SOLCHER STEPHEN B, Director
Lane Brian E., Director
JACKSON JOHN EARL, Director

How to read Form 4 transaction codes