Insider Transactions Reported by 27 Insiders of MARKEL GROUP INC.

Symbol
MKL on NYSE
Location
Glen Allen, VA

Insiders trading volume in the past year

MARKEL GROUP INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Steven A. Markel Director $164,272,078 -$3,175,430 -1.9% 11 Dec 2025
Thomas Sinnickson Gayner Chief Executive Officer, Director $132,080,323 24 Feb 2026
Anthony F. Markel Director $44,005,147 24 Feb 2025
Richard R. Whitt III Co-Chief Executive Officer, Director $17,977,624 06 Dec 2022
Meade P. Grandis CAO and Controller $14,794,823 -$1,664,420 -10% 24 Feb 2026
Bradley James Kiscaden Pres/Chief Admin Off-Ins Ops $11,163,923 15 Feb 2022
Jeremy Andrew Noble President, Insurance $10,300,000 18 Feb 2025
Michael R. Heaton EVP & Chief Operating Officer $10,041,251 02 Dec 2025
Richard Randolph Grinnan SVP, Chief Legal Officer & Sec $9,332,099 24 Feb 2026
Lemuel E. Lewis Director $7,387,287 14 May 2021
Michael Oreilly Director $6,519,593 13 Jun 2025
Andrew G. Crowley EVP & Pres., Markel Ventures $6,282,427 24 Feb 2026
Simon Wilson EVP and CEO, Markel Insurance $4,983,996 -$363,419 -6.8% 24 Feb 2026
Diane Leopold Director $4,557,812 13 Jun 2025
Brian J. Costanzo Chief Financial Officer $3,909,252 24 Feb 2026
A. Lynne Puckett Director $3,225,985 13 Jun 2025
K. Bruce Connell Director $3,103,023 17 May 2023
Robert C. Cox Pres. & COO, Insur. Operations $3,055,596 06 Dec 2022
Linda Schreiner V SVP, Strategic Management $2,198,644 07 Dec 2021
Mark Besca Director $1,855,257 21 May 2025
Harold Lawrence Morrison Jr. Director $1,744,575 13 Jun 2025
Lawrence A. Cunningham Director $1,596,737 +$46,283 +3% 13 Jun 2025
Morgan E. Housel Director $1,517,254 13 Jun 2025
Greta J. Harris Director $1,176,430 -$167,530 -12% 23 May 2025
Susan L. Davies CHRO, Markel Insurance $1,140,817 15 Dec 2022
MICHAEL JONATHAN E Director $308,650 13 Jun 2025
Teresa S. Gendron Chief Financial Officer 20 Mar 2023

Recent Insider Transactions by Companies or Individuals for MARKEL GROUP INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Simon Wilson MKL Common Stock Sale -4.01% $207,948 $2079.48 -100 2,397 26 Feb 2026 Direct
Brian J. Costanzo MKL Common Stock Award 68.4% 655 1,611 24 Feb 2026 Direct
Andrew G. Crowley MKL Common Stock Award 43.4% 830 2,744 24 Feb 2026 Direct
Richard Randolph Grinnan MKL Common Stock Award 23.1% 801 4,263 24 Feb 2026 Direct
Meade P. Grandis MKL Common Stock Award 31.1% 69.72 294 24 Feb 2026 Direct
Thomas Sinnickson Gayner MKL Common Stock Award 8.58% 4,484 56,741 24 Feb 2026 Direct
Simon Wilson MKL Common Stock Award 53.3% 868 2,497 24 Feb 2026 Direct
Simon Wilson MKL Common Stock Tax liability -2.8% -47 1,629 17 Feb 2026 Direct
Brian J. Costanzo MKL Common Stock Other 0.23% 2.18 957 31 Dec 2025 Direct
Steven A. Markel MKL Common Stock Sale -2.16% $2,818,430 $2119.12 -1,330 60,368 11 Dec 2025 Direct
Thomas Sinnickson Gayner MKL Common Stock Tax liability -0.07% -36.61 52,258 02 Dec 2025 Direct
Simon Wilson MKL Common Stock Tax liability -5.31% -94 1,676 02 Dec 2025 Direct
Michael R. Heaton MKL Common Stock Tax liability -4.41% -217 4,709 02 Dec 2025 Direct
Richard Randolph Grinnan MKL Common Stock Tax liability -3.83% -138 3,463 02 Dec 2025 Direct
Andrew G. Crowley MKL Common Stock Tax liability -3.27% -64.77 1,914 02 Dec 2025 Direct
Brian J. Costanzo MKL Common Stock Tax liability -2.23% -21.72 954 02 Dec 2025 Direct
Steven A. Markel MKL Common Stock Sale -0.16% $210,000 $2100.00 -100 61,698 28 Nov 2025 Direct
Steven A. Markel MKL Common Stock Sale -0.11% $147,000 $2100.00 -70 61,798 26 Nov 2025 Direct
Simon Wilson MKL Common Stock Sale -4.07% $155,470 $2072.94 -75 1,770 25 Nov 2025 Direct
Steven A. Markel MKL Common Stock Gift -0.8% -500 61,868 17 Nov 2025 Direct
Brian J. Costanzo MKL Common Stock Other 0.19% 1.85 976 30 Sep 2025 Direct
Meade P. Grandis MKL Common Stock Sale -21.4% $148,784 $1983.78 -75 275 25 Aug 2025 By Trusts
Andrew G. Crowley MKL Common Stock Other 0.28% 5.62 1,979 15 Jul 2025 Direct
Brian J. Costanzo MKL Common Stock Other 0.23% 2.21 974 30 Jun 2025 Direct
Michael Jonathan E MKL Common Stock Other 55.4% 63.37 178 13 Jun 2025 Direct
Harold Lawrence Morrison Jr. MKL Common Stock Other 3.25% 31.68 1,005 13 Jun 2025 Direct
Lawrence A. Cunningham MKL Common Stock Other 7.4% 63.37 920 13 Jun 2025 Direct
Morgan E. Housel MKL Common Stock Other 7.82% 63.37 874 13 Jun 2025 Direct
Diane Leopold MKL Common Stock Other 3.13% 63.37 2,090 13 Jun 2025 Direct
A. Lynne Puckett MKL Common Stock Other 21.9% 63.37 352 13 Jun 2025 Direct
Michael Oreilly MKL Common Stock Other 2.19% 80.65 3,756 13 Jun 2025 Direct
Andrew G. Crowley MKL Common Stock Other 0.44% 8.64 1,973 13 Jun 2025 Direct
Greta J. Harris MKL Common Stock Sale -12.5% $167,530 $1861.44 -90 632 23 May 2025 Direct
Lawrence A. Cunningham MKL Common Stock Purchase 3.01% $46,283 $1851.32 25 856 22 May 2025 Direct
Greta J. Harris MKL Common Stock Award 13.9% 88 722 21 May 2025 Direct
Mark Besca MKL Common Stock Award 9.13% 88 1,052 21 May 2025 Direct
Morgan E. Housel MKL Common Stock Award 12.2% 88 811 21 May 2025 Direct
Diane Leopold MKL Common Stock Award 4.54% 88 2,027 21 May 2025 Direct
Harold Lawrence Morrison Jr. MKL Common Stock Award 9.94% 88 973 21 May 2025 Direct
Michael Oreilly MKL Common Stock Award 2.45% 88 3,675 21 May 2025 Direct
A. Lynne Puckett MKL Common Stock Award 13.6% 88 735 21 May 2025 Direct
Michael Jonathan E MKL Common Stock Award 332.8% 88 114 21 May 2025 Direct
Lawrence A. Cunningham MKL Common Stock Award 11.8% 88 831 21 May 2025 Direct
Steven A. Markel MKL Common Stock Gift -0.48% -300 62,368 19 May 2025 Direct
Meade P. Grandis MKL Common Stock Sale -9.26% $764,660 $1911.65 -400 3,920 19 May 2025 By Trusts
Michael R. Heaton MKL Common Stock Other 1.81% 87.7 4,926 15 May 2025 Direct
Simon Wilson MKL Common Stock Other 0.02% 0.37 1,845 15 May 2025 Direct
Andrew G. Crowley MKL Common Stock Other 0.15% 2.92 1,964 15 May 2025 Direct
Meade P. Grandis MKL Common Stock Sale -8.48% $750,976 $1877.44 -400 4,320 05 May 2025 By Trusts
Simon Wilson MKL Common Stock Other 0.02% 0.4 1,844 15 Apr 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.