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Home > Insider Trading > Sinnickson Thomas Gayner > Profile

Sinnickson Thomas Gayner

Affiliations

  • Director at Cable One Inc. (CABO), 2022-06-03
  • Co-Chief Executive Officer at Markel Corp (MKL), 2022-05-09
  • Director at Colfax Corp (CFX), 2022-01-04
  • Director at Graham Holdings Co (GHC), 2021-11-15
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
Cable One Inc.
 CABO $1,291.17 5,000 Director 10,200 2022-06-01 Filing
Cable One Inc.
 CABO $1,257.97 50 Director 7,469 2022-05-25 Filing
Markel Corp
 MKL $1,306.00 50 Officer, Director 42,027 2022-05-09 Filing
Markel Corp
 MKL $1,251.30 25 Officer, Director 40,135 2021-11-22 Filing
Graham Holdings Co
 GHC $595.17 100 Director 5,400 2021-11-11 Filing