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$MKL

$1,812.75 +$23.08 (1.29%)

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Insider Transactions

Insider Transaction Summary

STEVEN A MARKEL

61,634 shares

Net: -734 B/S: -

THOMAS SINNICKSON GAYNER

56,741 shares

Net: +4,447 B/S: ∞

ALAN I KIRSHNER

20,453 shares

Net: 0 B/S: -

ANTHONY F MARKEL

15,000 shares

Net: 0 B/S: -

Gerard JR Albanese

14,996 shares

Net: 0 B/S: -

Britton L. Glisson

11,656 shares

Net: 0 B/S: -

DARRELL D MARTIN

11,540 shares

Net: 0 B/S: -

Richard R III Whitt

11,360 shares

Net: 0 B/S: -

Bradley James Kiscaden

8,090 shares

Net: 0 B/S: -

F. Michael Crowley

6,422 shares

Net: 0 B/S: -

Michael Jay Schewel

6,260 shares

Net: 0 B/S: -

Lemuel E Lewis

5,741 shares

Net: 0 B/S: -

JAY M WEINBERG

5,040 shares

Net: 0 B/S: -

Jeremy Andrew Noble

4,888 shares

Net: 0 B/S: -

Michael R Heaton

4,709 shares

Net: -217 B/S: -

Richard Randolph Grinnan

4,263 shares

Net: +663 B/S: ∞

Anne G Waleski

3,762 shares

Net: 0 B/S: -

MICHAEL OREILLY

3,756 shares

Net: +81 B/S: ∞

DEBORA J WILSON

2,957 shares

Net: 0 B/S: -

K Bruce Connell

2,762 shares

Net: 0 B/S: -

Andrew G. Crowley

2,753 shares

Net: +789 B/S: ∞

Simon Wilson

2,397 shares

Net: +552 B/S: 4.96

ROBERT C COX

2,346 shares

Net: 0 B/S: -

J Alfred Jr Broaddus

2,338 shares

Net: 0 B/S: -

Nora N Crouch

2,250 shares

Net: 0 B/S: -

Diane Leopold

2,090 shares

Net: +63 B/S: ∞

STEWART M KASEN

1,879 shares

Net: 0 B/S: -

Brian J. Costanzo

1,613 shares

Net: +641 B/S: ∞

LINDA V SCHREINER

1,528 shares

Net: 0 B/S: -

Mark Besca

1,052 shares

Net: 0 B/S: -

Harold Lawrence Jr. Morrison

1,005 shares

Net: +32 B/S: ∞

Lawrence A Cunningham

920 shares

Net: +63 B/S: ∞

Morgan E. Housel

874 shares

Net: +63 B/S: ∞

Susan L. Davies

848 shares

Net: 0 B/S: -

Greta J Harris

632 shares

Net: 0 B/S: -

DOUGLAS C EBY

522 shares

Net: 0 B/S: -

Oscar Guerrero

399 shares

Net: 0 B/S: -

A. Lynne Puckett

352 shares

Net: +63 B/S: ∞

Meade P. Grandis

294 shares

Net: -5 B/S: 0.93

JONATHAN E MICHAEL

178 shares

Net: +63 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
STEVEN A MARKEL	61,634	-734	-
THOMAS SINNICKSON GAYNER	56,741	+4,447	∞
ALAN I KIRSHNER	20,453	0	-
ANTHONY F MARKEL	15,000	0	-
Gerard JR Albanese	14,996	0	-
Britton L. Glisson	11,656	0	-
DARRELL D MARTIN	11,540	0	-
Richard R III Whitt	11,360	0	-
Bradley James Kiscaden	8,090	0	-
F. Michael Crowley	6,422	0	-
Michael Jay Schewel	6,260	0	-
Lemuel E Lewis	5,741	0	-
JAY M WEINBERG	5,040	0	-
Jeremy Andrew Noble	4,888	0	-
Michael R Heaton	4,709	-217	-
Richard Randolph Grinnan	4,263	+663	∞
Anne G Waleski	3,762	0	-
MICHAEL OREILLY	3,756	+81	∞
DEBORA J WILSON	2,957	0	-
K Bruce Connell	2,762	0	-
Andrew G. Crowley	2,753	+789	∞
Simon Wilson	2,397	+552	4.96
ROBERT C COX	2,346	0	-
J Alfred Jr Broaddus	2,338	0	-
Nora N Crouch	2,250	0	-
Diane Leopold	2,090	+63	∞
STEWART M KASEN	1,879	0	-
Brian J. Costanzo	1,613	+641	∞
LINDA V SCHREINER	1,528	0	-
Mark Besca	1,052	0	-
Harold Lawrence Jr. Morrison	1,005	+32	∞
Lawrence A Cunningham	920	+63	∞
Morgan E. Housel	874	+63	∞
Susan L. Davies	848	0	-
Greta J Harris	632	0	-
DOUGLAS C EBY	522	0	-
Oscar Guerrero	399	0	-
A. Lynne Puckett	352	+63	∞
Meade P. Grandis	294	-5	0.93
JONATHAN E MICHAEL	178	+63	∞

Individual Transactions

March 31, 2026

Andrew G. Crowley

Other Transaction

Change: +9

Price: $1626.96

Shares: 2,753

Value: +$14,642

Brian J. Costanzo

Other Transaction

Change: +2

Price: $1626.96

Shares: 1,613

Value: +$3,253

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Andrew G. Crowley	Apr 15	Other Transaction (J) Other	2,753	+9	$1626.96	+$14,642
Brian J. Costanzo	Apr 15	Other Transaction (J) Other	1,613	+2	$1626.96	+$3,253

February 26, 2026

Simon Wilson

Open Market Sale

Change: -100

Price: $2079.48

Shares: 2,397

Value: -$207,948

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Simon Wilson	Feb 26	Open Market Sale (S) Market Sale	2,397	-100	$2079.48	-$207,948

February 24, 2026

Meade P. Grandis

Grant/Award Acquisition

Change: +70

Price: $0.00

Shares: 294

Value: +$0

Andrew G. Crowley

Grant/Award Acquisition

Change: +830

Price: $0.00

Shares: 2,744

Value: +$0

Brian J. Costanzo

Grant/Award Acquisition

Change: +655

Price: $0.00

Shares: 1,611

Value: +$0

Richard Randolph Grinnan

Grant/Award Acquisition

Change: +801

Price: $0.00

Shares: 4,263

Value: +$0

THOMAS SINNICKSON GAYNER

Grant/Award Acquisition

Change: +4,484

Price: $0.00

Shares: 56,741

Value: +$0

Simon Wilson

Grant/Award Acquisition

Change: +868

Price: $0.00

Shares: 2,497

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Meade P. Grandis	Feb 26	Grant/Award Acquisition (A) Compensation/Award	294	+70	$0.00	+$0
Andrew G. Crowley	Feb 26	Grant/Award Acquisition (A) Compensation/Award	2,744	+830	$0.00	+$0
Brian J. Costanzo	Feb 26	Grant/Award Acquisition (A) Compensation/Award	1,611	+655	$0.00	+$0
Richard Randolph Grinnan	Feb 26	Grant/Award Acquisition (A) Compensation/Award	4,263	+801	$0.00	+$0
THOMAS SINNICKSON GAYNER	Feb 26	Grant/Award Acquisition (A) Compensation/Award	56,741	+4,484	$0.00	+$0
Simon Wilson	Feb 26	Grant/Award Acquisition (A) Compensation/Award	2,497	+868	$0.00	+$0

February 17, 2026

Simon Wilson

Tax Payment

Change: -47

Price: $2084.46

Shares: 1,629

Value: -$97,969

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Simon Wilson	Feb 19	Tax Payment (F) Tax Payment	1,629	-47	$2084.46	-$97,969

December 31, 2025

Brian J. Costanzo

Other Transaction

Change: +2

Price: $1602.62

Shares: 957

Value: +$3,205

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian J. Costanzo	Jan 20	Other Transaction (J) Other	957	+2	$1602.62	+$3,205

December 11, 2025

STEVEN A MARKEL

Open Market Sale

Change: -64

Price: $2100.00

Shares: 61,634

Value: -$134,400

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEVEN A MARKEL	Dec 15	Open Market Sale (S) Market Sale	61,634	-64	$2100.00	-$134,400

December 02, 2025

Andrew G. Crowley

Tax Payment

Change: -65

Price: $2060.83

Shares: 1,914

Value: -$133,953

Brian J. Costanzo

Tax Payment

Change: -22

Price: $2060.83

Shares: 954

Value: -$45,338

Michael R Heaton

Tax Payment

Change: -217

Price: $2060.83

Shares: 4,709

Value: -$447,200

Simon Wilson

Tax Payment

Change: -94

Price: $2060.83

Shares: 1,676

Value: -$193,718

Richard Randolph Grinnan

Tax Payment

Change: -138

Price: $2060.83

Shares: 3,463

Value: -$284,394

THOMAS SINNICKSON GAYNER

Tax Payment

Change: -37

Price: $2060.83

Shares: 52,258

Value: -$76,250

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Andrew G. Crowley	Dec 03	Tax Payment (F) Tax Payment	1,914	-65	$2060.83	-$133,953
Brian J. Costanzo	Dec 03	Tax Payment (F) Tax Payment	954	-22	$2060.83	-$45,338
Michael R Heaton	Dec 03	Tax Payment (F) Tax Payment	4,709	-217	$2060.83	-$447,200
Simon Wilson	Dec 03	Tax Payment (F) Tax Payment	1,676	-94	$2060.83	-$193,718
Richard Randolph Grinnan	Dec 03	Tax Payment (F) Tax Payment	3,463	-138	$2060.83	-$284,394
THOMAS SINNICKSON GAYNER	Dec 03	Tax Payment (F) Tax Payment	52,258	-37	$2060.83	-$76,250

November 28, 2025

STEVEN A MARKEL

Open Market Sale

Change: -100

Price: $2100.00

Shares: 61,698

Value: -$210,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEVEN A MARKEL	Dec 01	Open Market Sale (S) Market Sale	61,698	-100	$2100.00	-$210,000

November 26, 2025

STEVEN A MARKEL

Open Market Sale

Change: -70

Price: $2100.00

Shares: 61,798

Value: -$147,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEVEN A MARKEL	Dec 01	Open Market Sale (S) Market Sale	61,798	-70	$2100.00	-$147,000