GAYNER THOMAS SINNICKSON - Insider Non-Derivative Transactions at MARKEL CORP (MKL) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 2, 2025, GAYNER THOMAS SINNICKSON's relationship to MARKEL CORP (MKL) is Director,Officer (Chief Executive Officer), and currently has 52,257.72 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other MKL insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

GAYNER THOMAS SINNICKSON - Insider Non-Derivative Transactions of MKL Common Stock

GAYNER THOMAS SINNICKSON - Insider Non-Derivative Transactions at MKL

Items per page:

0 of 0

Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 3, 2025	F -- (Common Stock)	36.61	2060.83	52257.72
Feb 19, 2025	Acquisition -- (Common Stock)	3349.83	0	52294.33
Feb 8, 2025	P -- (Common Stock)	100	2008.01	48944.5
Dec 6, 2024	F -- (Common Stock)	45	1759.04	48844.5
Nov 2, 2024	P -- (Common Stock)	100	1549.72	48889.5
Feb 21, 2024	Acquisition -- (Common Stock)	2710	0	47748.5
Feb 21, 2024	Acquisition -- (Common Stock)	1041	0	48789.5
Feb 3, 2024	P -- (Common Stock)	100	1414.74	45038.5
Dec 6, 2023	F -- (Common Stock)	46	1401.29	44938.5
Nov 4, 2023	P -- (Common Stock)	100	1311.92	44984.5
Aug 5, 2023	P -- (Common Stock)	100	1479.47	44884.5
May 17, 2023	Acquisition -- (Common Stock)	1068	0	44784.5
May 3, 2023	P -- (Common Stock)	50	1359.93	43716.5
Feb 15, 2023	Acquisition -- (Common Stock)	1558	0	43666.5
Feb 4, 2023	P -- (Common Stock)	25	1317.18	42108.5