| Insider | Title | Company | Date | Price | Return | Shares | Value |
|---|---|---|---|---|---|---|---|
| Gayner Thomas Sinnickson | Chief Executive Officer | MARKEL GROUP INC. (MKL) | 2025-02-07 | $2008.01 | 0.0% | 100 | $200,801 |
| Gayner Thomas Sinnickson | Chief Executive Officer | MARKEL GROUP INC. (MKL) | 2024-11-01 | $1549.72 | 0.0% | 100 | $154,972 |
| Gayner Thomas Sinnickson | Non-Executive Director | Graham Holdings Co (GHC) | 2024-09-12 | $743.30 | 0.0% | 100 | $74,330 |
| Gayner Thomas Sinnickson | Chief Executive Officer | MARKEL GROUP INC. (MKL) | 2024-02-02 | $1414.74 | 10.0% | 100 | $141,474 |
| Gayner Thomas Sinnickson | Non-Executive Director | Graham Holdings Co (GHC) | 2023-11-09 | $607.24 | 24.1% | 100 | $60,724 |
| Gayner Thomas Sinnickson | Chief Executive Officer | MARKEL GROUP INC. (MKL) | 2023-11-03 | $1311.92 | 18.6% | 100 | $131,192 |
| Gayner Thomas Sinnickson | Non-Executive Director | Graham Holdings Co (GHC) | 2023-09-08 | $569.83 | 32.3% | 100 | $56,983 |
| Gayner Thomas Sinnickson | Chief Executive Officer | MARKEL GROUP INC. (MKL) | 2023-08-04 | $1479.47 | 5.1% | 100 | $147,947 |
| Gayner Thomas Sinnickson | Non-Executive Director | Graham Holdings Co (GHC) | 2023-05-09 | $581.63 | 29.6% | 100 | $58,163 |
| Gayner Thomas Sinnickson | Chief Executive Officer | MARKEL CORP (MKL) | 2023-05-02 | $1359.93 | 14.4% | 50 | $67,996 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2023-03-06 | $709.30 | -50.2% | 100 | $70,930 |
| Gayner Thomas Sinnickson | Chief Executive Officer | MARKEL CORP (MKL) | 2023-02-03 | $1317.18 | 18.1% | 25 | $32,930 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-11-14 | $714.72 | -50.6% | 5,000 | $3,573,598 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-11-09 | $656.86 | -46.3% | 10,000 | $6,568,601 |
| Gayner Thomas Sinnickson | Co | MARKEL CORP (MKL) | 2022-11-08 | $1230.60 | 26.4% | 50 | $61,530 |
| Gayner Thomas Sinnickson | Non-Executive Director | Graham Holdings Co (GHC) | 2022-09-16 | $556.15 | 35.5% | 100 | $55,615 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-09-12 | $1094.74 | -67.8% | 500 | $547,370 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-09-06 | $1106.44 | -68.1% | 500 | $553,220 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-08-29 | $1177.75 | -70.0% | 500 | $588,875 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-08-24 | $1225.00 | -71.2% | 50 | $61,250 |
| Gayner Thomas Sinnickson | Co | MARKEL CORP (MKL) | 2022-08-04 | $1202.46 | 29.4% | 50 | $60,123 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-06-01 | $1291.17 | -72.7% | 5,000 | $6,455,850 |
| Gayner Thomas Sinnickson | Non-Executive Director | Cable One, Inc. (CABO) | 2022-05-25 | $1257.97 | -71.9% | 50 | $62,898 |
| Gayner Thomas Sinnickson | Co | MARKEL CORP (MKL) | 2022-05-09 | $1306.00 | 19.1% | 50 | $65,300 |
| Gayner Thomas Sinnickson | Co | MARKEL CORP (MKL) | 2021-11-22 | $1251.30 | 24.3% | 25 | $31,282 |
| Gayner Thomas Sinnickson | Non-Executive Director | Graham Holdings Co (GHC) | 2021-11-11 | $595.17 | 26.6% | 100 | $59,517 |
| Return | Profit / (loss) | Cost | |||||
| Total | -53.3% | $-10,620,636 | $19,943,472 |