Thomas Sinnickson Gayner insider trades

Open-market stock purchases and sales by Thomas Sinnickson Gayner, Chief Executive Officer at Markel Group Inc, from SEC Form 4 filings since Dec 31, 2009.

Track record: 59% of 27 scored buys are up 5% or more since purchase, averaging +1%.

Recent trades

DateStockTradeValue
May 15, 2026MKL Markel Group IncSold (not open market)$888K
Apr 1, 2026KO Coca Cola CoBought (not open market)$290K
Feb 24, 2026MKL Markel Group IncBought (not open market)—
Dec 2, 2025MKL Markel Group IncSold (not open market)$75.5K

Companies traded

  • MKL Markel Group Inc: 12 buys, 1 sale, last May 15, 2026
  • KO Coca Cola Co: other filings, last Apr 1, 2026
  • GHC Graham Holdings Co: 6 buys, last Sep 12, 2024
  • CABO Cable One, Inc: 10 buys, last Mar 10, 2023
  • CFX Colfax Corp: other filings, last Dec 31, 2021

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