Insider · CIK 0001525628

Griffin Jon Kevin

Reports to the SEC for 1 company · HOUSTON, TX

sec.gov

Transactions

Companies

Filings

CIK

0001525628

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-14	MAINMain Street Capital CORPJ Other	Director	JOther	+231.37 sh	$58.80	+$13.6K	74,914.011
2026-08-14	MAINMain Street Capital CORPJ Other	Director	JOther	+20.013 sh	$59.23	+$1,185.37	74,682.641
2026-07-15	MAINMain Street Capital CORPJ Other	Director	JOther	+253.461 sh	$53.41	+$13.5K	74,662.628
2026-07-15	MAINMain Street Capital CORPJ Other	Director	JOther	+22.217 sh	$53.09	+$1,179.501	74,409.167
2026-06-29	MAINMain Street Capital CORPJ Other	Director	JOther	+26.024 sh	$51.01	+$1,327.484	74,091.436
2026-06-29	MAINMain Street Capital CORPJ Other	Director	JOther	+295.514 sh	$51.56	+$15.2K	74,386.95
2026-06-15	MAINMain Street Capital CORPJ Other	Director	JOther	+22.006 sh	$52.02	+$1,144.752	73,809.251
2026-06-15	MAINMain Street Capital CORPJ Other	Director	JOther	+256.161 sh	$51.29	+$13.1K	74,065.412
2026-05-15	MAINMain Street Capital CORPJ Other	Director	JOther	+22.468 sh	$50.69	+$1,138.903	73,528.153
2026-05-15	MAINMain Street Capital CORPJ Other	Director	JOther	+259.092 sh	$50.45	+$13.1K	73,787.245
2026-05-04	MAINMain Street Capital CORPA Award	Director	AAward	+538 sh	—	—	72,160.635
2026-05-04	MAINMain Street Capital CORPA Award	Director	AAward	+1,345.05 sh	$55.76	+$75K	73,505.685
2026-04-15	MAINMain Street Capital CORPJ Other	Director	JOther	+218.995 sh	$57.83	+$12.7K	71,622.635
2026-04-15	MAINMain Street Capital CORPJ Other	Director	JOther	+20.104 sh	$56.39	+$1,133.665	71,403.64
2026-03-27	MAINMain Street Capital CORPJ Other	Director	JOther	+24.579 sh	$52.92	+$1,300.721	71,101.597
2026-03-27	MAINMain Street Capital CORPJ Other	Director	JOther	+281.939 sh	$51.53	+$14.5K	71,383.536
2026-03-13	MAINMain Street Capital CORPJ Other	Director	JOther	+20.526 sh	$54.66	+$1,121.951	70,848.71
2026-03-13	MAINMain Street Capital CORPJ Other	Director	JOther	+228.308 sh	$54.89	+$12.5K	71,077.018
2026-02-13	MAINMain Street Capital CORPJ Other	Director	JOther	+18.348 sh	$60.89	+$1,117.21	70,618.27
2026-02-13	MAINMain Street Capital CORPJ Other	Director	JOther	+209.914 sh	$59.44	+$12.5K	70,828.184
2026-01-15	MAINMain Street Capital CORPJ Other	Director	JOther	+17.867 sh	$62.27	+$1,112.578	70,406.356
2026-01-15	MAINMain Street Capital CORPJ Other	Director	JOther	+193.566 sh	$64.20	+$12.4K	70,599.922
2025-12-29	MAINMain Street Capital CORPJ Other	Director	JOther	+238.781 sh	$59.75	+$14.3K	70,388.489
2025-12-29	MAINMain Street Capital CORPJ Other	Director	JOther	+21.02 sh	$60.77	+$1,277.385	70,149.708
2025-12-15	MAINMain Street Capital CORPJ Other	Director	JOther	+198.723 sh	$60.77	+$12.1K	70,128.688
2025-12-15	MAINMain Street Capital CORPJ Other	Director	JOther	+17.427 sh	$62.05	+$1,081.345	69,929.965
2025-11-14	MAINMain Street Capital CORPJ Other	Director	JOther	+205.818 sh	$58.42	+$12K	69,912.538
2025-11-14	MAINMain Street Capital CORPJ Other	Director	JOther	+18.28 sh	$58.90	+$1,076.692	69,706.72
2025-10-15	MAINMain Street Capital CORPJ Other	Director	JOther	+205.942 sh	$58.13	+$12K	69,688.44
2025-10-15	MAINMain Street Capital CORPJ Other	Director	JOther	+18.363 sh	$58.38	+$1,072.032	69,482.498
2025-09-26	MAINMain Street Capital CORPJ Other	Director	JOther	+219.891 sh	$63.75	+$14K	69,464.135
2025-09-26	MAINMain Street Capital CORPJ Other	Director	JOther	+19.7 sh	$63.72	+$1,255.284	69,244.244
2025-09-15	MAINMain Street Capital CORPJ Other	Director	JOther	+182.122 sh	$65.17	+$11.9K	69,224.544
2025-09-15	MAINMain Street Capital CORPJ Other	Director	JOther	+15.87 sh	$66.98	+$1,062.973	69,042.422
2025-08-15	MAINMain Street Capital CORPJ Other	Director	JOther	+178.87 sh	$66.10	+$11.8K	69,026.48
2025-08-15	MAINMain Street Capital CORPJ Other	Director	JOther	+15.769 sh	$67.15	+$1,058.888	68,847.61
2025-08-14	MAINMain Street Capital CORPG Gift	Director	GGift	−1,505.091 sh	—	—	68,831.841
2025-07-15	MAINMain Street Capital CORPJ Other	Director	JOther	+185.449 sh	$63.50	+$11.8K	70,336.932
2025-07-15	MAINMain Street Capital CORPJ Other	Director	JOther	+16.591 sh	$63.57	+$1,054.69	70,151.483
2025-06-27	MAINMain Street Capital CORPJ Other	Director	JOther	+20.812 sh	$59.32	+$1,234.568	69,901.107
2025-06-27	MAINMain Street Capital CORPJ Other	Director	JOther	+233.785 sh	$58.96	+$13.8K	70,134.892
2025-06-13	MAINMain Street Capital CORPJ Other	Director	JOther	+17.592 sh	$58.23	+$1,024.382	69,682.284
2025-06-13	MAINMain Street Capital CORPJ Other	Director	JOther	+198.011 sh	$57.76	+$11.4K	69,880.295
2025-05-15	MAINMain Street Capital CORPJ Other	Director	JOther	+19.176 sh	$53.17	+$1,019.588	69,453.83
2025-05-15	MAINMain Street Capital CORPJ Other	Director	JOther	+210.862 sh	$53.99	+$11.4K	69,664.692
2025-05-05	MAINMain Street Capital CORPA Award	Director	AAward	+565 sh	—	—	67,833.901
2025-05-05	MAINMain Street Capital CORPA Award	Director	AAward	+1,600.753 sh	$53.10	+$85K	69,434.654
2025-04-15	MAINMain Street Capital CORPJ Other	Director	JOther	+19.108 sh	$53.11	+$1,014.826	67,065.225
2025-04-15	MAINMain Street Capital CORPJ Other	Director	JOther	+203.676 sh	$53.68	+$10.9K	67,268.901
2025-03-27	MAINMain Street Capital CORPJ Other	Director	JOther	+20.917 sh	$57.92	+$1,211.513	66,819.01

Recent filings

Accepted (ET)
Sep 154
Griffin Jon Kevin0001525628-26-000009
SEC(opens sec.gov)
Aug 144
Griffin Jon Kevin0001525628-26-000008
SEC(opens sec.gov)
May 284
Griffin Jon Kevin0001525628-26-000007
SEC(opens sec.gov)
May 64
Griffin Jon Kevin0001525628-26-000006
SEC(opens sec.gov)
Apr 34
Griffin Jon Kevin0001525628-26-000005
SEC(opens sec.gov)
Mar 114
Griffin Jon Kevin0001525628-26-000004
SEC(opens sec.gov)

Companies

Main Street Capital CORPDirectorMAIN

Address

1300 POST OAK BLVD. 8TH FLOOR

HOUSTON, TX, 77056