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Home > Insider Trading > Sinnickson Thomas Gayner > Profile

Sinnickson Thomas Gayner

Affiliations

  • Chief Executive Officer at Markel Group Inc. (MKL), 2025-02-20
  • Director at Graham Holdings Co (GHC), 2024-09-13
  • Director at Coca Cola Co (KO), 2024-04-03
  • Director at Cable One Inc. (CABO), 2023-03-14
  • Director at Colfax Corp (CFX), 2022-01-04
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
Markel Group Inc.
 MKL $2,008.01 100 Officer, Director 48,945 2025-02-07 Filing
Markel Group Inc.
 MKL $1,549.72 100 Officer, Director 48,890 2024-11-01 Filing
Graham Holdings Co
 GHC $743.30 100 Director 700 2024-09-12 Filing
Markel Group Inc.
 MKL $1,414.74 100 Officer, Director 45,039 2024-02-02 Filing
Graham Holdings Co
 GHC $607.24 100 Director 600 2023-11-09 Filing