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person · Reporting owner

Griffin Jon Kevin

Disclosed activity across 1 company

Tapewire entity
23256
SEC CIK
0001525628

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Main Street Capital CORPMAIN · Entity 2159DirectorAugust 14, 2026September 15, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Main Street Capital CORP

Report date August 14, 2026 · Filed September 15, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect74,914.011 Ending reported balance After 2026-08-14 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-08-14 · Other · Acquired 20.013 · Balance 74,682.641

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.

Row 2 · 2026-08-14 · Other · Acquired 231.37 · Balance 74,914.011

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.

Filing footnotes · ownership attribution and instrument terms

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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 14, 2026 Filed Sep 15, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 231.37 $58.80 $13,604.56
Disclosure

SEC source: 0001525628-26-000009 · form4-09152026_040912.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,914.011

F1 · kind: 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.

Read SEC document
August 14, 2026 Filed Sep 15, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 20.013 $59.23 $1,185.37
Disclosure

SEC source: 0001525628-26-000009 · form4-09152026_040912.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,682.641

F1 · kind: 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.

Read SEC document
July 15, 2026 Filed Aug 14, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 253.461 $53.41 $13,537.35
Disclosure

SEC source: 0001525628-26-000008 · form4-08142026_040817.xml · nonDerivative · entry 6

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,662.628

F1 · kind: 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.

Read SEC document
July 15, 2026 Filed Aug 14, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 22.217 $53.09 $1,179.50
Disclosure

SEC source: 0001525628-26-000008 · form4-08142026_040817.xml · nonDerivative · entry 5

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,409.167

F1 · kind: 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.

Read SEC document
June 29, 2026 Filed Aug 14, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 295.514 $51.56 $15,236.70
Disclosure

SEC source: 0001525628-26-000008 · form4-08142026_040817.xml · nonDerivative · entry 4

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,386.95

F1 · kind: 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.

Read SEC document
June 29, 2026 Filed Aug 14, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 26.024 $51.01 $1,327.48
Disclosure

SEC source: 0001525628-26-000008 · form4-08142026_040817.xml · nonDerivative · entry 3

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,091.436

F1 · kind: 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.

Read SEC document
June 15, 2026 Filed Aug 14, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 256.161 $51.29 $13,138.50
Disclosure

SEC source: 0001525628-26-000008 · form4-08142026_040817.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,065.412

F1 · kind: 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.

Read SEC document
June 15, 2026 Filed Aug 14, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 22.006 $52.02 $1,144.75
Disclosure

SEC source: 0001525628-26-000008 · form4-08142026_040817.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,809.251

F1 · kind: 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.

Read SEC document
May 15, 2026 Filed May 28, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 259.092 $50.45 $13,071.19
Disclosure

SEC source: 0001525628-26-000007 · form4-05282026_040510.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,787.245

F1 · kind: 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.

Read SEC document
May 15, 2026 Filed May 28, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 22.468 $50.69 $1,138.90
Disclosure

SEC source: 0001525628-26-000007 · form4-05282026_040510.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,528.153

F1 · kind: 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.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:45 UTC Main Street Capital CORP MAIN · Entity 2159 GrantCommon Stock 1,345.05 $55.76 $74,999.99
Disclosure

SEC source: 0001525628-26-000006 · form4-05062026_040508.xml · nonDerivative · entry 4

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,505.685

F3 · kind: Shares issued under the Main Street Capital Corporation Deferred Compensation Plan.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:45 UTC Main Street Capital CORP MAIN · Entity 2159 GrantCommon Stock 538 $0.00 $0.00
Disclosure

SEC source: 0001525628-26-000006 · form4-05062026_040508.xml · nonDerivative · entry 3

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,160.635

F2 · kind: Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan.

Read SEC document
April 15, 2026 Filed May 6, 2026 20:45 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 218.995 $57.83 $12,664.48
Disclosure

SEC source: 0001525628-26-000006 · form4-05062026_040508.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,622.635

F1 · kind: 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.

Read SEC document
April 15, 2026 Filed May 6, 2026 20:45 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 20.104 $56.39 $1,133.66
Disclosure

SEC source: 0001525628-26-000006 · form4-05062026_040508.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,403.64

F1 · kind: 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.

Read SEC document
March 27, 2026 Filed Apr 3, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 281.939 $51.53 $14,528.32
Disclosure

SEC source: 0001525628-26-000005 · form4-04032026_040438.xml · nonDerivative · entry 4

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,383.536

F1 · kind: 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.

Read SEC document
March 27, 2026 Filed Apr 3, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 24.579 $52.92 $1,300.72
Disclosure

SEC source: 0001525628-26-000005 · form4-04032026_040438.xml · nonDerivative · entry 3

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,101.597

F1 · kind: 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.

Read SEC document
March 13, 2026 Filed Apr 3, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 228.308 $54.89 $12,531.83
Disclosure

SEC source: 0001525628-26-000005 · form4-04032026_040438.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,077.018

F1 · kind: 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.

Read SEC document
March 13, 2026 Filed Apr 3, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 20.526 $54.66 $1,121.95
Disclosure

SEC source: 0001525628-26-000005 · form4-04032026_040438.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,848.71

F1 · kind: 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.

Read SEC document
February 13, 2026 Filed Mar 11, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 209.914 $59.44 $12,477.29
Disclosure

SEC source: 0001525628-26-000004 · form4-03112026_040319.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,828.184

F1 · kind: 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.

Read SEC document
February 13, 2026 Filed Mar 11, 2026 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 18.348 $60.89 $1,117.21
Disclosure

SEC source: 0001525628-26-000004 · form4-03112026_040319.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,618.27

F1 · kind: 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.

Read SEC document
January 15, 2026 Filed Feb 13, 2026 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 193.566 $64.20 $12,426.94
Disclosure

SEC source: 0001525628-26-000003 · form4-02132026_040216.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,599.922

F1 · kind: 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.

Read SEC document
January 15, 2026 Filed Feb 13, 2026 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 17.867 $62.27 $1,112.58
Disclosure

SEC source: 0001525628-26-000003 · form4-02132026_040216.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,406.356

F1 · kind: 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.

Read SEC document
December 29, 2025 Filed Jan 13, 2026 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 238.781 $59.75 $14,267.16
Disclosure

SEC source: 0001525628-26-000002 · form4-01132026_040116.xml · nonDerivative · entry 4

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,388.489

F1 · kind: 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.

Read SEC document
December 29, 2025 Filed Jan 13, 2026 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 21.02 $60.77 $1,277.39
Disclosure

SEC source: 0001525628-26-000002 · form4-01132026_040116.xml · nonDerivative · entry 3

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,149.708

F1 · kind: 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.

Read SEC document
December 15, 2025 Filed Jan 13, 2026 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 198.723 $60.77 $12,076.40
Disclosure

SEC source: 0001525628-26-000002 · form4-01132026_040116.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,128.688

F1 · kind: 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.

Read SEC document
December 15, 2025 Filed Jan 13, 2026 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 17.427 $62.05 $1,081.35
Disclosure

SEC source: 0001525628-26-000002 · form4-01132026_040116.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,929.965

F1 · kind: 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.

Read SEC document
November 14, 2025 Filed Dec 5, 2025 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 205.818 $58.42 $12,023.89
Disclosure

SEC source: 0001525628-25-000008 · form4-12052025_041214.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,912.538

F1 · kind: 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.

Read SEC document
November 14, 2025 Filed Dec 5, 2025 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 18.28 $58.90 $1,076.69
Disclosure

SEC source: 0001525628-25-000008 · form4-12052025_041214.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,706.72

F1 · kind: 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.

Read SEC document
October 15, 2025 Filed Nov 14, 2025 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 205.942 $58.13 $11,971.41
Disclosure

SEC source: 0001525628-25-000006 · form4-11142025_041121.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,688.44

F1 · kind: 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.

Read SEC document
October 15, 2025 Filed Nov 14, 2025 21:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 18.363 $58.38 $1,072.03
Disclosure

SEC source: 0001525628-25-000006 · form4-11142025_041121.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,482.498

F1 · kind: 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.

Read SEC document
September 26, 2025 Filed Oct 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 219.891 $63.75 $14,018.05
Disclosure

SEC source: 0001525628-25-000004 · form4-10142025_041001.xml · nonDerivative · entry 4

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,464.135

F1 · kind: 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.

Read SEC document
September 26, 2025 Filed Oct 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 19.7 $63.72 $1,255.28
Disclosure

SEC source: 0001525628-25-000004 · form4-10142025_041001.xml · nonDerivative · entry 3

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,244.244

F1 · kind: 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.

Read SEC document
September 15, 2025 Filed Oct 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 182.122 $65.17 $11,868.89
Disclosure

SEC source: 0001525628-25-000004 · form4-10142025_041001.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,224.544

F1 · kind: 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.

Read SEC document
September 15, 2025 Filed Oct 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 15.87 $66.98 $1,062.97
Disclosure

SEC source: 0001525628-25-000004 · form4-10142025_041001.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,042.422

F1 · kind: 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.

Read SEC document
August 15, 2025 Filed Sep 2, 2025 20:47 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 178.87 $66.10 $11,823.31
Disclosure

SEC source: 0001525628-25-000003 · form4-09022025_080913.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,026.48

F1 · kind: 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.

Read SEC document
August 15, 2025 Filed Sep 2, 2025 20:47 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 15.769 $67.15 $1,058.89
Disclosure

SEC source: 0001525628-25-000003 · form4-09022025_080913.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,847.61

F1 · kind: 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.

Read SEC document
August 14, 2025 Filed Aug 14, 2025 21:01 UTC Main Street Capital CORP MAIN · Entity 2159 GiftCommon Stock 1,505.091 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-021945 · form4-08142025_090803.xml · nonDerivative · entry 3

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,831.841

F2 · kind: The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5.

Read SEC document
July 15, 2025 Filed Aug 14, 2025 21:01 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 185.449 $63.50 $11,776.01
Disclosure

SEC source: 0001415889-25-021945 · form4-08142025_090803.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,336.932

F1 · kind: 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.

Read SEC document
July 15, 2025 Filed Aug 14, 2025 21:01 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 16.591 $63.57 $1,054.69
Disclosure

SEC source: 0001415889-25-021945 · form4-08142025_090803.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,151.483

F1 · kind: 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.

Read SEC document
June 27, 2025 Filed Jul 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 233.785 $58.96 $13,783.96
Disclosure

SEC source: 0001415889-25-019719 · form4-07142025_040722.xml · nonDerivative · entry 4

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,134.892

F1 · kind: 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.

Read SEC document
June 27, 2025 Filed Jul 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 20.812 $59.32 $1,234.57
Disclosure

SEC source: 0001415889-25-019719 · form4-07142025_040722.xml · nonDerivative · entry 3

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,901.107

F1 · kind: 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.

Read SEC document
June 13, 2025 Filed Jul 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 198.011 $57.76 $11,437.12
Disclosure

SEC source: 0001415889-25-019719 · form4-07142025_040722.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,880.295

F1 · kind: 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.

Read SEC document
June 13, 2025 Filed Jul 14, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 17.592 $58.23 $1,024.38
Disclosure

SEC source: 0001415889-25-019719 · form4-07142025_040722.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,682.284

F1 · kind: 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.

Read SEC document
May 15, 2025 Filed Jun 5, 2025 20:32 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 210.862 $53.99 $11,384.44
Disclosure

SEC source: 0001415889-25-015775 · form4-06052025_040617.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,664.692

F1 · kind: 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.

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May 15, 2025 Filed Jun 5, 2025 20:32 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 19.176 $53.17 $1,019.59
Disclosure

SEC source: 0001415889-25-015775 · form4-06052025_040617.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,453.83

F1 · kind: 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.

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May 05, 2025 Filed May 7, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 GrantCommon Stock 1,600.753 $53.10 $84,999.98
Disclosure

SEC source: 0001415889-25-012242 · form4-05072025_040503.xml · nonDerivative · entry 2

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,434.654

F2 · kind: Shares issued under the Main Street Capital Corporation Deferred Compensation Plan.

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May 05, 2025 Filed May 7, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 GrantCommon Stock 565 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-012242 · form4-05072025_040503.xml · nonDerivative · entry 1

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,833.901

F1 · kind: Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan.

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April 15, 2025 Filed May 2, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 203.676 $53.68 $10,933.33
Disclosure

SEC source: 0001415889-25-011806 · form4-05022025_040501.xml · nonDerivative · entry 6

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,268.901

F1 · kind: 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.

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April 15, 2025 Filed May 2, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 19.108 $53.11 $1,014.83
Disclosure

SEC source: 0001415889-25-011806 · form4-05022025_040501.xml · nonDerivative · entry 5

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,065.225

F1 · kind: 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.

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March 27, 2025 Filed May 2, 2025 20:30 UTC Main Street Capital CORP MAIN · Entity 2159 OtherCommon Stock 227.107 $57.47 $13,051.84
Disclosure

SEC source: 0001415889-25-011806 · form4-05022025_040501.xml · nonDerivative · entry 4

Griffin Jon Kevin · CIK 0001525628 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,046.117

F1 · kind: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.