GAYNER THOMAS SINNICKSON
Insider CIK 1159015 · GHC Director · MKL Pres. & Chief Investment Off., Director · CFX Director · CABO Director · KO Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| MKL MARKEL GROUP INC. | F Tax w/h | 2026-05-15 | 2026-05-19 | 482 | $1844.00 | $888.2K | 56,260 | SEC↗ |
| KO COCA COLA CO | A Award deriv | 2026-04-01 | 2026-04-03 | 3,825 | $75.81 | $290.0K | 15,232 | SEC↗ |
| MKL MARKEL GROUP INC. | A Award | 2026-02-24 | 2026-02-26 | 4,484 | — | $0 | 56,741 | SEC↗ |
| MKL MARKEL GROUP INC. | F Tax w/h | 2025-12-02 | 2025-12-03 | 37 | $2060.83 | $75.4K | 52,258 | SEC↗ |
| KO COCA COLA CO | A Award deriv | 2025-04-01 | 2025-04-03 | 4,053 | $71.55 | $290.0K | 11,056 | SEC↗ |
| MKL MARKEL GROUP INC. | A Award | 2025-02-18 | 2025-02-20 | 3,350 | — | $0 | 52,294 | SEC↗ |
| MKL MARKEL GROUP INC. | P Buy | 2025-02-07 | 2025-02-07 | 100 | $2008.01 | $200.8K | 48,945 | SEC↗ |
| MKL MARKEL GROUP INC. | F Tax w/h | 2024-12-05 | 2024-12-09 | 45 | $1759.04 | $79.2K | 48,845 | SEC↗ |
| MKL MARKEL GROUP INC. | P Buy | 2024-11-01 | 2024-11-05 | 100 | $1549.72 | $155.0K | 48,890 | SEC↗ |
| GHC Graham Holdings Co | P Buy | 2024-09-12 | 2024-09-13 | 100 | $743.30 | $74.3K | 700 | SEC↗ |
| KO COCA COLA CO | A Award deriv | 2024-04-01 | 2024-04-03 | 4,756 | $60.97 | $290.0K | 6,775 | SEC↗ |
| MKL MARKEL GROUP INC. | A Award | 2024-02-20 | 2024-02-22 | 2,710 | — | $0 | 47,749 | SEC↗ |
| MKL MARKEL GROUP INC. | A Award | 2024-02-20 | 2024-02-27 | 1,041 | — | $0 | 48,790 | SEC↗ |
| MKL MARKEL GROUP INC. | P Buy | 2024-02-02 | 2024-02-05 | 100 | $1414.74 | $141.5K | 45,039 | SEC↗ |
| MKL MARKEL GROUP INC. | F Tax w/h | 2023-12-05 | 2023-12-06 | 46 | $1401.29 | $64.5K | 44,939 | SEC↗ |
| GHC Graham Holdings Co | P Buy | 2023-11-09 | 2023-11-09 | 100 | $607.24 | $60.7K | 600 | SEC↗ |
| MKL MARKEL GROUP INC. | P Buy | 2023-11-03 | 2023-11-06 | 100 | $1311.92 | $131.2K | 44,985 | SEC↗ |
| GHC Graham Holdings Co | P Buy | 2023-09-08 | 2023-09-12 | 100 | $569.83 | $57.0K | 500 | SEC↗ |
| MKL MARKEL GROUP INC. | P Buy | 2023-08-04 | 2023-08-07 | 100 | $1479.47 | $147.9K | 44,885 | SEC↗ |
| KO COCA COLA CO | A Award deriv | 2023-07-19 | 2023-07-21 | 1,934 | $62.06 | $120.0K | 1,934 | SEC↗ |
| MKL MARKEL CORP | A Award | 2023-05-16 | 2023-05-18 | 1,068 | — | $0 | 44,785 | SEC↗ |
| GHC Graham Holdings Co | P Buy | 2023-05-09 | 2023-05-09 | 100 | $581.63 | $58.2K | 5,600 | SEC↗ |
| MKL MARKEL CORP | P Buy | 2023-05-02 | 2023-05-03 | 50 | $1359.93 | $68.0K | 43,717 | SEC↗ |
| CABO Cable One, Inc. | A Award | 2023-03-10 | 2023-03-13 | 1 | — | $0 | 2,421 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2023-03-06 | 2023-03-07 | 100 | $709.30 | $70.9K | 2,420 | SEC↗ |
| MKL MARKEL CORP | A Award | 2023-02-14 | 2023-02-15 | 1,558 | — | $0 | 43,667 | SEC↗ |
| MKL MARKEL CORP | P Buy | 2023-02-03 | 2023-02-06 | 25 | $1317.18 | $32.9K | 42,109 | SEC↗ |
| CABO Cable One, Inc. | A Award | 2022-12-16 | 2022-12-19 | 1 | — | $0 | 2,320 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2022-12-06 | 2022-12-07 | 43 | $1315.34 | $56.6K | 42,084 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-11-14 | 2022-11-15 | 5,000 | $714.72 | $3.57M | 26,700 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-11-09 | 2022-11-10 | 5,000 | $639.97 | $3.20M | 21,700 | SEC↗ |
| MKL MARKEL CORP | P Buy | 2022-11-08 | 2022-11-09 | 50 | $1230.60 | $61.5K | 42,127 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-11-08 | 2022-11-10 | 5,000 | $673.75 | $3.37M | 16,700 | SEC↗ |
| GHC Graham Holdings Co | P Buy | 2022-09-16 | 2022-09-16 | 100 | $556.15 | $55.6K | 5,500 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-09-12 | 2022-09-13 | 500 | $1094.74 | $547.4K | 11,700 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-09-06 | 2022-09-07 | 500 | $1106.44 | $553.2K | 11,200 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-08-29 | 2022-08-31 | 500 | $1177.75 | $588.9K | 10,700 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-08-24 | 2022-08-25 | 50 | $1225.00 | $61.3K | 2,319 | SEC↗ |
| MKL MARKEL CORP | P Buy | 2022-08-04 | 2022-08-05 | 50 | $1202.46 | $60.1K | 42,077 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-06-01 | 2022-06-03 | 5,000 | $1291.17 | $6.46M | 10,200 | SEC↗ |
| CABO Cable One, Inc. | P Buy | 2022-05-25 | 2022-05-27 | 50 | $1257.97 | $62.9K | 7,469 | SEC↗ |
| CABO Cable One, Inc. | A Award | 2022-05-20 | 2022-05-24 | 230 | — | $0 | 7,419 | SEC↗ |
| MKL MARKEL CORP | P Buy | 2022-05-09 | 2022-05-09 | 50 | $1306.00 | $65.3K | 42,027 | SEC↗ |
| MKL MARKEL CORP | A Award | 2022-02-15 | 2022-02-17 | 1,874 | — | $0 | 41,977 | SEC↗ |
| CFX Colfax CORP | A Award | 2021-12-31 | 2022-01-04 | 490 | — | $0 | 65,060 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2021-12-07 | 2021-12-09 | 32 | $1249.50 | $40.0K | 40,103 | SEC↗ |
| MKL MARKEL CORP | P Buy | 2021-11-22 | 2021-11-23 | 25 | $1251.30 | $31.3K | 40,135 | SEC↗ |
| GHC Graham Holdings Co | P Buy | 2021-11-11 | 2021-11-15 | 100 | $595.17 | $59.5K | 5,400 | SEC↗ |
| CFX Colfax CORP | A Award | 2021-09-30 | 2021-10-04 | 491 | — | $0 | 64,570 | SEC↗ |
| CFX Colfax CORP | A Award | 2021-06-30 | 2021-07-01 | 492 | — | $0 | 64,079 | SEC↗ |
| CABO Cable One, Inc. | A Award | 2021-05-21 | 2021-05-25 | 129 | — | $0 | 7,189 | SEC↗ |
| CFX Colfax CORP | A Award | 2021-05-12 | 2021-05-14 | 3,294 | — | $0 | 63,587 | SEC↗ |
| CFX Colfax CORP | A Award | 2021-03-31 | 2021-04-06 | 486 | — | $0 | 60,293 | SEC↗ |
| MKL MARKEL CORP | A Award | 2021-02-16 | 2021-02-18 | 2,015 | — | $0 | 40,184 | SEC↗ |
| MKL MARKEL CORP | A Award | 2021-02-16 | 2021-02-25 | 1,941 | — | $0 | 40,110 | SEC↗ |
| CFX Colfax CORP | A Award | 2020-12-31 | 2021-01-05 | 556 | — | $0 | 59,807 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2020-12-08 | 2020-12-10 | 25 | $1000.03 | $25.0K | 38,169 | SEC↗ |
| CFX Colfax CORP | A Award | 2020-09-30 | 2020-10-02 | 610 | — | $0 | 59,251 | SEC↗ |
| CFX Colfax CORP | A Award | 2020-06-30 | 2020-07-02 | 610 | — | $0 | 58,641 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2020-05-21 | 2020-05-26 | 5,899 | — | $0 | 5,899 | SEC↗ |
| CFX Colfax CORP | A Award | 2020-05-21 | 2020-05-26 | 2,568 | — | $0 | 58,031 | SEC↗ |
| CABO Cable One, Inc. | A Award | 2020-05-15 | 2020-05-18 | 125 | — | $0 | 7,060 | SEC↗ |
| CFX Colfax CORP | A Award | 2020-03-31 | 2020-04-02 | 1,074 | — | $0 | 55,463 | SEC↗ |
| MKL MARKEL CORP | A Award | 2020-02-18 | 2020-02-20 | 1,790 | — | $0 | 38,213 | SEC↗ |
| CFX Colfax CORP | A Award | 2019-12-31 | 2020-01-03 | 585 | — | $0 | 54,389 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2019-12-03 | 2020-12-10 | 19 | $1107.25 | $21.0K | 38,194 | SEC↗ |
| CFX Colfax CORP | A Award | 2019-09-30 | 2019-10-02 | 732 | — | $0 | 53,804 | SEC↗ |
| CFX Colfax CORP | A Award | 2019-06-28 | 2019-07-02 | 738 | — | $0 | 53,072 | SEC↗ |
| CABO Cable One, Inc. | A Award | 2019-05-17 | 2019-05-21 | 201 | — | $0 | 6,935 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2019-05-13 | 2019-05-15 | 6,938 | — | $0 | 6,938 | SEC↗ |
| CFX Colfax CORP | A Award | 2019-05-13 | 2019-05-15 | 2,213 | — | $0 | 52,334 | SEC↗ |
| CABO Cable One, Inc. | M Exercise deriv | 2019-05-08 | 2019-05-10 | 370 | — | $0 | 0 | SEC↗ |
| CABO Cable One, Inc. | M Exercise | 2019-05-08 | 2019-05-10 | 370 | — | $0 | 6,734 | SEC↗ |
| CFX Colfax CORP | A Award | 2019-03-29 | 2019-04-02 | 674 | — | $0 | 50,121 | SEC↗ |
| MKL MARKEL CORP | A Award | 2019-02-19 | 2019-02-21 | 1,328 | $1016.87 | $1.35M | 36,423 | SEC↗ |
| CFX Colfax CORP | A Award | 2018-12-31 | 2019-01-03 | 957 | — | $0 | 49,447 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2018-12-04 | 2018-12-07 | 56 | $1136.46 | $63.6K | 35,095 | SEC↗ |
| CFX Colfax CORP | A Award | 2018-09-28 | 2018-10-02 | 575 | — | $0 | 48,510 | SEC↗ |
| CFX Colfax CORP | A Award | 2018-09-28 | 2018-10-09 | 555 | — | $0 | 48,490 | SEC↗ |
| CFX Colfax CORP | A Award | 2018-06-29 | 2018-07-03 | 653 | — | $0 | 47,935 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2018-05-17 | 2018-05-21 | 5,302 | — | $0 | 5,302 | SEC↗ |
| CFX Colfax CORP | A Award | 2018-05-17 | 2018-05-21 | 1,974 | — | $0 | 47,282 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2018-05-08 | 2018-05-09 | 370 | — | $0 | 370 | SEC↗ |
| CABO Cable One, Inc. | M Exercise deriv | 2018-05-07 | 2018-05-09 | 49 | — | $0 | 0 | SEC↗ |
| CABO Cable One, Inc. | M Exercise | 2018-05-07 | 2018-05-09 | 49 | — | $0 | 6,364 | SEC↗ |
| CABO Cable One, Inc. | M Exercise deriv | 2018-05-02 | 2018-05-04 | 184 | — | $0 | 0 | SEC↗ |
| CABO Cable One, Inc. | M Exercise | 2018-05-02 | 2018-05-04 | 184 | — | $0 | 6,315 | SEC↗ |
| CFX Colfax CORP | A Award | 2018-03-29 | 2018-04-03 | 627 | — | $0 | 45,308 | SEC↗ |
| MKL MARKEL CORP | A Award | 2018-02-21 | 2018-02-23 | 1,025 | $1112.73 | $1.14M | 35,151 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2018-01-16 | 2018-01-18 | 9 | $1130.97 | $10.2K | 34,126 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2018-01-03 | 2018-01-04 | 49 | — | $0 | 49 | SEC↗ |
| CFX Colfax CORP | A Award | 2017-12-29 | 2018-01-03 | 525 | — | $0 | 44,681 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2017-12-05 | 2017-12-07 | 46 | $1112.05 | $51.2K | 34,135 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2017-12-05 | 2017-12-07 | 11 | $1101.82 | $12.1K | 34,181 | SEC↗ |
| CFX Colfax CORP | A Award | 2017-09-30 | 2017-10-03 | 480 | — | $0 | 44,156 | SEC↗ |
| CFX Colfax CORP | A Award | 2017-06-30 | 2017-07-05 | 514 | — | $0 | 43,676 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2017-05-18 | 2017-05-22 | 4,238 | — | $0 | 4,238 | SEC↗ |
| CFX Colfax CORP | A Award | 2017-05-18 | 2017-05-22 | 1,574 | — | $0 | 43,162 | SEC↗ |
| CABO Cable One, Inc. | M Exercise deriv | 2017-05-03 | 2017-05-04 | 358 | — | $0 | 0 | SEC↗ |
| CABO Cable One, Inc. | M Exercise | 2017-05-03 | 2017-05-04 | 358 | — | $0 | 6,131 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2017-05-02 | 2017-05-04 | 184 | — | $0 | 184 | SEC↗ |
| CFX Colfax CORP | A Award | 2017-03-31 | 2017-04-04 | 383 | — | $0 | 41,588 | SEC↗ |
| MKL MARKEL CORP | A Award | 2017-02-21 | 2017-02-23 | 775 | $981.23 | $760.5K | 34,192 | SEC↗ |
| CFX Colfax CORP | A Award | 2016-12-30 | 2017-01-04 | 418 | — | $0 | 41,205 | SEC↗ |
| CFX Colfax CORP | A Award | 2016-09-30 | 2016-10-03 | 478 | — | $0 | 40,787 | SEC↗ |
| CFX Colfax CORP | A Award | 2016-06-30 | 2016-07-05 | 567 | — | $0 | 40,309 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2016-06-03 | 2016-06-07 | 1 | — | $0 | 358 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2016-05-13 | 2016-05-17 | 4,749 | — | $0 | 4,749 | SEC↗ |
| CFX Colfax CORP | A Award | 2016-05-13 | 2016-05-17 | 2,004 | — | $0 | 39,742 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2016-05-13 | 2016-05-17 | 1,797 | $958.00 | $1.72M | 33,417 | SEC↗ |
| CABO Cable One, Inc. | M Exercise deriv | 2016-05-03 | 2016-05-05 | 473 | — | $0 | 0 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2016-05-03 | 2016-05-05 | 357 | — | $0 | 357 | SEC↗ |
| CABO Cable One, Inc. | M Exercise | 2016-05-03 | 2016-05-05 | 473 | — | $0 | 5,773 | SEC↗ |
| CFX Colfax CORP | A Award | 2016-03-31 | 2016-04-04 | 525 | — | $0 | 37,738 | SEC↗ |
| MKL MARKEL CORP | J Other | 2016-03-10 | 2016-03-14 | 0 | $884.98 | $53 | 35,214 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2016-03-04 | 2016-03-08 | 1 | — | $0 | 473 | SEC↗ |
| MKL MARKEL CORP | A Award | 2016-02-22 | 2016-02-24 | 691 | — | $0 | 35,213 | SEC↗ |
| MKL MARKEL CORP | S Sale | 2016-02-16 | 2016-02-18 | 5,000 | $826.03 | $4.13M | 34,522 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2016-01-04 | 2016-01-06 | 13 | $867.39 | $11.3K | 39,522 | SEC↗ |
| CFX Colfax CORP | A Award | 2015-12-31 | 2016-01-05 | 642 | — | $0 | 37,213 | SEC↗ |
| MKL MARKEL CORP | A Award | 2015-12-24 | 2016-01-15 | 1 | $885.30 | $549 | 39,522 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2015-12-04 | 2015-12-18 | 1 | — | $0 | 472 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2015-12-01 | 2015-12-03 | 26 | $904.18 | $23.5K | 39,535 | SEC↗ |
| CFX Colfax CORP | A Award | 2015-09-30 | 2015-10-01 | 502 | — | $0 | 36,571 | SEC↗ |
| CABO Cable One, Inc. | A Award deriv | 2015-08-04 | 2015-08-06 | 471 | — | $0 | 471 | SEC↗ |
| CABO Cable One, Inc. | J Other | 2015-07-01 | 2015-07-01 | 5,300 | — | $0 | 5,300 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2015-07-01 | 2015-07-06 | 14 | $810.77 | $11.4K | 39,561 | SEC↗ |
| CFX Colfax CORP | A Award | 2015-06-30 | 2015-07-01 | 325 | — | $0 | 36,069 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2015-05-13 | 2015-05-15 | 2,889 | — | $0 | 2,889 | SEC↗ |
| CFX Colfax CORP | A Award | 2015-05-13 | 2015-05-15 | 1,016 | — | $0 | 35,744 | SEC↗ |
| CFX Colfax CORP | A Award | 2015-03-31 | 2015-04-01 | 314 | — | $0 | 34,728 | SEC↗ |
| MKL MARKEL CORP | A Award | 2015-02-23 | 2015-04-13 | 1,269 | — | $0 | 39,575 | SEC↗ |
| MKL MARKEL CORP | A Award | 2015-02-23 | 2015-02-25 | 1,269 | — | $0 | 39,575 | SEC↗ |
| CFX Colfax CORP | A Award | 2014-12-31 | 2015-01-05 | 364 | — | $0 | 34,414 | SEC↗ |
| CFX Colfax CORP | A Award | 2014-09-30 | 2014-10-01 | 197 | — | $0 | 34,050 | SEC↗ |
| CFX Colfax CORP | A Award | 2014-06-30 | 2014-07-02 | 151 | — | $0 | 33,853 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2014-05-14 | 2014-05-15 | 1,717 | — | $0 | 1,717 | SEC↗ |
| CFX Colfax CORP | A Award | 2014-05-14 | 2014-05-15 | 687 | — | $0 | 33,702 | SEC↗ |
| CFX Colfax CORP | A Award | 2014-03-31 | 2014-04-02 | 158 | — | $0 | 33,015 | SEC↗ |
| MKL MARKEL CORP | A Award | 2014-02-19 | 2014-02-21 | 1,644 | — | $0 | 38,306 | SEC↗ |
| CFX Colfax CORP | A Award | 2013-12-31 | 2014-01-02 | 177 | — | $0 | 32,857 | SEC↗ |
| CFX Colfax CORP | A Award | 2013-09-30 | 2013-10-02 | 199 | — | $0 | 32,680 | SEC↗ |
| CFX Colfax CORP | A Award | 2013-06-30 | 2013-07-01 | 216 | — | $0 | 32,481 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2013-05-16 | 2013-05-20 | 2,070 | — | $0 | 2,070 | SEC↗ |
| CFX Colfax CORP | A Award | 2013-05-16 | 2013-05-20 | 828 | — | $0 | 32,265 | SEC↗ |
| MKL MARKEL CORP | A Award | 2013-05-13 | 2013-05-15 | 3,805 | — | $0 | 36,662 | SEC↗ |
| CFX Colfax CORP | A Award | 2013-03-31 | 2013-04-02 | 242 | — | $0 | 31,437 | SEC↗ |
| MKL MARKEL CORP | A Award | 2013-02-19 | 2013-02-21 | 1,267 | — | $0 | 32,857 | SEC↗ |
| CFX Colfax CORP | A Award | 2012-12-31 | 2013-01-02 | 279 | — | $0 | 31,195 | SEC↗ |
| MKL MARKEL CORP | P Buy | 2012-12-31 | 2013-01-03 | 100 | $430.34 | $43.0K | 31,589 | SEC↗ |
| MKL MARKEL CORP | F Tax w/h | 2012-12-03 | 2012-12-05 | 24 | $479.27 | $11.5K | 31,489 | SEC↗ |
| CFX Colfax CORP | A Award | 2012-09-30 | 2012-10-02 | 307 | — | $0 | 30,916 | SEC↗ |
| CFX Colfax CORP | A Award | 2012-06-30 | 2012-07-03 | 363 | — | $0 | 30,609 | SEC↗ |
| CFX Colfax CORP | A Award deriv | 2012-05-16 | 2012-05-17 | 3,458 | — | $0 | 3,458 | SEC↗ |
| CFX Colfax CORP | A Award | 2012-05-16 | 2012-05-17 | 1,383 | — | $0 | 30,246 | SEC↗ |
| CFX Colfax CORP | A Award | 2012-03-31 | 2012-04-03 | 248 | — | $0 | 28,863 | SEC↗ |
| CFX Colfax CORP | A Award | 2011-12-30 | 2012-01-04 | 307 | — | $0 | 28,615 | SEC↗ |