Thomas Sinnickson Gayner

Thomas Sinnickson Gayner is first of all a buyer: 27 open-market purchases against a single sale, which is 96% of the market trades. The purchases total EUR 10,061,623, with a median of EUR 61,778. Two large purchases at Cable One, Inc. stand out in November 2022: EUR 3,459,922 on November 14 and EUR 3,362,483 on November 8. The third, of EUR 588,051, dates from August 29, 2022. The only sale, of EUR 3,696,195, took place on February 16, 2016 at Markel Group Inc.

The record counts 100 filings published from January 5, 2016 to February 26, 2026: Markel Group Inc. (Co-Chief Executive Officer, 41 filings, 11 purchases), Enovis Corp (Director, 32), Cable One (Director, 21, 10 purchases) and Graham Holdings Co (Director, 6, all purchases). There are also 66 share grants and 5 option exercises. The year 2022 is the most active (18 filings). Two filings fall in the last twelve months, with no purchase or sale.

For 26 purchases with a 90-day result, the stored median is 2.6%, with 54% positive: stored past results, not a forecast.

Gayner has 5, 4 and 4 own market trades within 30 days of colleagues, in that order, all in the same direction. Colleagues in order: A. Lynne Puckett (Markel Group Inc.), Brad D. Brian (Cable One, Inc.) and Lawrence A. Cunningham (Markel Group Inc.).