MKL MARKEL GROUP INC.
NYSE · SEC CIK 1096343 · EDGAR
- Bought, last 12 months
- $371.1K 3 purchases by 2 insiders
- Sold, last 12 months
- $3.68M 5 sales by 3 insiders
- Filings on record
- 307 since 2021-07-08, latest 2026-07-16 16:55
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| MARKEL STEVEN A | Dir | — | $3.18M |
| Wilson Simon | EVP, CEO, Markel Insurance | — | $363.4K |
| Leopold Diane | Dir | $268.7K | — |
| Harris Greta J | Dir | — | $140.4K |
| Puckett A. Lynne | Dir | $102.3K | — |
| Grandis Meade P. | CAO, Ctrl | — | — |
| Crowley Andrew G. | Pres, Markel Ventures | — | — |
| Housel Morgan E. | Dir | — | — |
| Costanzo Brian J. | CFO | — | — |
| Besca Mark | Dir | — | — |
Transactions 322
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-16 16:55 | 2026-06-30 | MKL | Costanzo Brian J. | CFO | J - Other | $1,617.19 | +2.16 | 1,632 | +0.1% | +$3,500 | |
| M | 2026-07-16 16:55 | 2026-06-30+ | MKL | Crowley Andrew G. | EVP, Pres, Markel Ventures | J - Other | $1,699.50 | +10.30 | 2,749 | +0.4% | +$17.5K |
| 2026-06-17 16:35 | 2026-06-15 | MKL | Besca Mark | Dir | J - Other | $1,668.65 | +80.90 | 1,222 | +7% | +$135.0K | |
| 2026-06-17 16:35 | 2026-06-15 | MKL | Housel Morgan E. | Dir | J - Other | $1,668.65 | +65.92 | 1,029 | +7% | +$110.0K | |
| 2026-06-17 16:34 | 2026-06-15 | MKL | Leopold Diane | Dir | J - Other | $1,668.65 | +65.92 | 2,345 | +3% | +$110.0K | |
| 2026-06-17 16:34 | 2026-06-15 | MKL | MICHAEL JONATHAN E | Dir | J - Other | $1,668.65 | +65.92 | 332.73 | +25% | +$110.0K | |
| 2026-06-17 16:33 | 2026-06-15 | MKL | Morrison Harold Lawrence Jr. | Dir | J - Other | $1,668.65 | +32.96 | 1,127 | +3% | +$55.0K | |
| 2026-06-17 16:33 | 2026-06-15 | MKL | Cunningham Lawrence A | Dir | J - Other | $1,668.65 | +32.96 | 1,042 | +3% | +$55.0K | |
| 2026-06-17 16:33 | 2026-06-15 | MKL | Puckett A. Lynne | Dir | J - Other | $1,668.65 | +65.92 | 507.40 | +15% | +$110.0K | |
| 2026-06-17 16:32 | 2026-06-15 | MKL | OREILLY MICHAEL | Dir | J - Other | $1,668.65 | +89.89 | 3,935 | +2% | +$150.0K | |
| M | 2026-05-27 16:33 | 2026-05-22 | MKL | Harris Greta J | Dir | S - Sale | $1,847.31 | -76 | 645 | -11% | -$140.4K |
| 2026-05-22 17:02 | 2026-05-20 | MKL | MICHAEL JONATHAN E | Dir | A - Grant | $0.00 | +89 | 266.81 | +50% | $0 | |
| 2026-05-22 16:39 | 2026-05-20 | MKL | Morrison Harold Lawrence Jr. | Dir | A - Grant | $0.00 | +89 | 1,094 | +9% | $0 | |
| 2026-05-22 16:38 | 2026-05-20 | MKL | Besca Mark | Dir | A - Grant | $0.00 | +89 | 1,141 | +8% | $0 | |
| 2026-05-22 16:36 | 2026-05-20 | MKL | Harris Greta J | Dir | A - Grant | $0.00 | +89 | 721 | +14% | $0 | |
| 2026-05-22 16:35 | 2026-05-20 | MKL | Cunningham Lawrence A | Dir | A - Grant | $0.00 | +89 | 1,009 | +10% | $0 | |
| 2026-05-22 16:33 | 2026-05-20 | MKL | OREILLY MICHAEL | Dir | A - Grant | $0.00 | +89 | 3,845 | +2% | $0 | |
| 2026-05-22 16:33 | 2026-05-20 | MKL | Housel Morgan E. | Dir | A - Grant | $0.00 | +89 | 963.05 | +10% | $0 | |
| 2026-05-22 16:32 | 2026-05-20 | MKL | Puckett A. Lynne | Dir | A - Grant | $0.00 | +89 | 441.48 | +25% | $0 | |
| 2026-05-22 16:32 | 2026-05-20 | MKL | Leopold Diane | Dir | A - Grant | $0.00 | +89 | 2,279 | +4% | $0 | |
| 2026-05-19 16:33 | 2026-05-15 | MKL | GAYNER THOMAS SINNICKSON | CEO, Dir | F - Tax | $1,844.00 | -481.67 | 56.3K | -0.8% | -$888.2K | |
| 2026-05-19 16:33 | 2026-05-15 | MKL | Grinnan Richard Randolph | SVP, CLO, Sec | F - Tax | $1,844.00 | -116.36 | 4,147 | -3% | -$214.6K | |
| 2026-05-19 16:32 | 2026-05-15 | MKL | Crowley Andrew G. | EVP, Pres, Markel Ventures | F - Tax | $1,844.00 | -74.87 | 2,678 | -3% | -$138.1K | |
| 2026-05-19 16:32 | 2026-05-15 | MKL | Crowley Andrew G. | EVP, Pres, Markel Ventures | J - Other | $1,659.60 | +60.26 | 2,738 | +2% | +$100.0K | |
| 2026-05-19 16:31 | 2026-05-15 | MKL | Costanzo Brian J. | CFO | F - Tax | $1,844.00 | -13.08 | 1,600 | -0.8% | -$24.1K | |
| 2026-05-19 16:31 | 2026-05-15 | MKL | Costanzo Brian J. | CFO | J - Other | $1,659.60 | +30.13 | 1,630 | +2% | +$50.0K | |
| 2026-05-08 16:31 | 2026-05-06 | MKL | Leopold Diane | Dir | P - Purchase | $1,792.61 | +100 | 2,190 | +5% | +$179.3K | |
| I | 2026-05-08 16:31 | 2026-05-07 | MKL | Leopold Diane | Dir | P - Purchase | $1,789.19 | +50 | 550 | +10% | +$89.5K |
| I | 2026-05-05 16:37 | 2026-05-01 | MKL | Puckett A. Lynne | Dir | P - Purchase | $1,795.53 | +57 | 1,463 | +4% | +$102.3K |
| 2026-04-15 16:33 | 2026-03-31 | MKL | Crowley Andrew G. | EVP, Pres, Markel Ventures | J - Other | $1,626.96 | +9.22 | 2,753 | +0.3% | +$15.0K | |
| 2026-04-15 16:32 | 2026-03-31 | MKL | Costanzo Brian J. | CFO | J - Other | $1,626.96 | +1.84 | 1,613 | +0.1% | +$3,000 | |
| 2026-02-26 | 2026-02-24 | MKL | Crowley Andrew G. | EVP, Pres, Markel Ventures | A - Grant | $0.00 | +830.02 | 2,744 | +43% | $0 | |
| 2026-02-26 | 2026-02-24 | MKL | GAYNER THOMAS SINNICKSON | CEO, Dir | A - Grant | $0.00 | +4,484 | 56.7K | +9% | $0 | |
| 2026-02-26 | 2026-02-24 | MKL | Grandis Meade P. | CAO, Ctrl | A - Grant | $0.00 | +69.72 | 294.08 | +31% | $0 | |
| 2026-02-26 | 2026-02-24 | MKL | Wilson Simon | EVP, CEO, Markel Insurance | A - Grant | $0.00 | +868.12 | 2,497 | +53% | $0 | |
| 2026-02-26 | 2026-02-26 | MKL | Wilson Simon | EVP, CEO, Markel Insurance | S - Sale | $2,079.48 | -100 | 2,397 | -4% | -$207.9K | |
| 2026-02-26 | 2026-02-24 | MKL | Costanzo Brian J. | CFO | A - Grant | $0.00 | +654.64 | 1,611 | +68% | $0 | |
| 2026-02-26 | 2026-02-24 | MKL | Grinnan Richard Randolph | SVP, CLO, Sec | A - Grant | $0.00 | +800.51 | 4,263 | +23% | $0 | |
| 2026-02-19 | 2026-02-17 | MKL | Wilson Simon | CEO, Markel Insurance | F - Tax | $2,084.46 | -47 | 1,629 | -3% | -$98.0K | |
| 2026-01-20 | 2025-12-31 | MKL | Costanzo Brian J. | CFO | J - Other | $1,602.62 | +2.18 | 956.54 | +0.2% | +$3,494 | |
| M | 2025-12-15 | 2025-12-11 | MKL | MARKEL STEVEN A | Dir | S - Sale | $2,119.12 | -1,330 | 61.6K | -2% | -$2.82M |
| 2025-12-03 | 2025-12-02 | MKL | Heaton Michael R | EVP, COO | F - Tax | $2,060.83 | -217.38 | 4,709 | -4% | -$448.0K | |
| 2025-12-03 | 2025-12-02 | MKL | Wilson Simon | CEO, Markel Insurance | F - Tax | $2,060.83 | -94 | 1,676 | -5% | -$193.7K | |
| 2025-12-03 | 2025-12-02 | MKL | Costanzo Brian J. | CFO | F - Tax | $2,060.83 | -21.72 | 954.36 | -2% | -$44.8K | |
| 2025-12-03 | 2025-12-02 | MKL | Crowley Andrew G. | Pres, Markel Ventures | F - Tax | $2,060.83 | -64.77 | 1,914 | -3% | -$133.5K | |
| 2025-12-03 | 2025-12-02 | MKL | Grinnan Richard Randolph | SVP, CLO, Sec | F - Tax | $2,060.83 | -138.01 | 3,463 | -4% | -$284.4K | |
| 2025-12-03 | 2025-12-02 | MKL | GAYNER THOMAS SINNICKSON | CEO, Dir | F - Tax | $2,060.83 | -36.61 | 52.3K | -0.1% | -$75.4K | |
| M | 2025-12-01 | 2025-11-26+ | MKL | MARKEL STEVEN A | Dir | S - Sale | $2,100.00 | -170 | 61.8K | -0.3% | -$357.0K |
| 2025-11-25 | 2025-11-25 | MKL | Wilson Simon | CEO, Markel Insurance | S - Sale | $2,072.94 | -75 | 1,770 | -4% | -$155.5K | |
| 2025-11-18 | 2025-11-17 | MKL | MARKEL STEVEN A | Dir | G - Gift | $0.00 | -500 | 61.9K | -0.8% | $0 | |
| 2025-10-16 | 2025-09-30 | MKL | Costanzo Brian J. | CFO | J - Other | $1,624.66 | +1.85 | 976.08 | +0.2% | +$3,006 | |
| I | 2025-08-27 | 2025-08-25 | MKL | Grandis Meade P. | CAO, Ctrl | S - Sale | $1,983.78 | -75 | 275 | -21% | -$148.8K |
| 2025-07-16 | 2025-07-15 | MKL | Crowley Andrew G. | Pres, Markel Ventures | J - Other | $1,779.25 | +5.62 | 1,978 | +0.3% | +$9,999 | |
| 2025-07-16 | 2025-06-30 | MKL | Costanzo Brian J. | CFO | J - Other | $1,580.87 | +2.21 | 974.24 | +0.2% | +$3,494 | |
| 2025-06-17 | 2025-06-13 | MKL | MICHAEL JONATHAN E | Dir | J - Other | $1,735.89 | +63.37 | 177.81 | +55% | +$110.0K | |
| 2025-06-17 | 2025-06-13 | MKL | Cunningham Lawrence A | Dir | J - Other | $1,735.89 | +63.37 | 919.84 | +7% | +$110.0K | |
| 2025-06-17 | 2025-06-13 | MKL | Morrison Harold Lawrence Jr. | Dir | J - Other | $1,735.89 | +31.68 | 1,005 | +3% | +$55.0K | |
| 2025-06-17 | 2025-06-13 | MKL | Housel Morgan E. | Dir | J - Other | $1,735.89 | +63.37 | 874.05 | +8% | +$110.0K | |
| 2025-06-17 | 2025-06-13 | MKL | OREILLY MICHAEL | Dir | J - Other | $1,735.89 | +80.65 | 3,756 | +2% | +$140.0K | |
| 2025-06-17 | 2025-06-13 | MKL | Crowley Andrew G. | Pres, Markel Ventures | J - Other | $1,735.89 | +8.64 | 1,973 | +0.4% | +$15.0K | |
| 2025-06-17 | 2025-06-13 | MKL | Leopold Diane | Dir | J - Other | $1,735.89 | +63.37 | 2,090 | +3% | +$110.0K | |
| 2025-06-17 | 2025-06-13 | MKL | Puckett A. Lynne | Dir | J - Other | $1,735.89 | +63.37 | 352.48 | +22% | +$110.0K | |
| 2025-05-27 | 2025-05-23 | MKL | Harris Greta J | Dir | S - Sale | $1,861.44 | -90 | 632 | -12% | -$167.5K | |
| 2025-05-23 | 2025-05-21 | MKL | Housel Morgan E. | Dir | A - Grant | $0.00 | +88 | 810.68 | +12% | $0 | |
| M | 2025-05-23 | 2025-05-22 | MKL | Cunningham Lawrence A | Dir | P - Purchase | $1,851.32 | +25 | 846.47 | +3% | +$46.3K |
| 2025-05-23 | 2025-05-21 | MKL | Cunningham Lawrence A | Dir | A - Grant | $0.00 | +88 | 831.47 | +12% | $0 | |
| 2025-05-23 | 2025-05-21 | MKL | Morrison Harold Lawrence Jr. | Dir | A - Grant | $0.00 | +88 | 973.32 | +10% | $0 | |
| 2025-05-23 | 2025-05-21 | MKL | MICHAEL JONATHAN E | Dir | A - Grant | $0.00 | +88 | 114.44 | +333% | $0 | |
| 2025-05-23 | 2025-05-21 | MKL | Besca Mark | Dir | A - Grant | $0.00 | +88 | 1,052 | +9% | $0 | |
| 2025-05-23 | 2025-05-21 | MKL | Puckett A. Lynne | Dir | A - Grant | $0.00 | +88 | 735.11 | +14% | $0 | |
| 2025-05-23 | 2025-05-21 | MKL | OREILLY MICHAEL | Dir | A - Grant | $0.00 | +88 | 3,675 | +2% | $0 | |
| 2025-05-23 | 2025-05-21 | MKL | Leopold Diane | Dir | A - Grant | $0.00 | +88 | 2,027 | +5% | $0 | |
| 2025-05-23 | 2025-05-21 | MKL | Harris Greta J | Dir | A - Grant | $0.00 | +88 | 722 | +14% | $0 | |
| 2025-05-20 | 2025-05-19 | MKL | MARKEL STEVEN A | Dir | G - Gift | $0.00 | -300 | 62.4K | -0.5% | $0 | |
| I | 2025-05-20 | 2025-05-19 | MKL | Grandis Meade P. | CAO, Ctrl | S - Sale | $1,911.65 | -400 | 3,920 | -9% | -$764.7K |
| 2025-05-19 | 2025-05-15 | MKL | Wilson Simon | CEO, Markel Insurance | J - Other | $1,710.30 | +0.37 | 1,845 | +0.0% | +$632.81 | |
| 2025-05-19 | 2025-05-15 | MKL | Crowley Andrew G. | Pres, Markel Ventures | J - Other | $1,710.30 | +2.92 | 1,964 | +0.1% | +$4,994 | |
| 2025-05-19 | 2025-05-15 | MKL | Heaton Michael R | EVP, COO | J - Other | $1,710.30 | +87.70 | 4,926 | +2% | +$150.0K | |
| I | 2025-05-07 | 2025-05-05 | MKL | Grandis Meade P. | CAO, Ctrl | S - Sale | $1,877.44 | -400 | 4,320 | -8% | -$751.0K |
| M | 2025-04-17 | 2025-03-31+ | MKL | Crowley Andrew G. | Pres, Markel Ventures | J - Other | $1,512.85 | +23.14 | 1,961 | +1% | +$35.0K |
| 2025-04-17 | 2025-03-31 | MKL | Costanzo Brian J. | CFO | J - Other | $1,459.76 | +2.06 | 972.02 | +0.2% | +$3,007 | |
| 2025-04-17 | 2025-04-15 | MKL | MICHAEL JONATHAN E | Dir | J - Other | $1,602.95 | +11.44 | 26.44 | +76% | +$18.3K | |
| 2025-04-17 | 2025-04-15 | MKL | Wilson Simon | CEO, Markel Insurance | J - Other | $1,602.95 | +0.40 | 1,844 | +0.0% | +$641.18 | |
| 2025-03-18 | 2025-03-15 | MKL | MICHAEL JONATHAN E | Dir | A - Grant | $0.00 | +15 | 15 | New | $0 | |
| M | 2025-02-26 | 2025-02-25+ | MKL | MARKEL STEVEN A | Dir | S - Sale | $1,872.81 | -1,054 | 63.4K | -2% | -$1.97M |
| M | 2025-02-26 | 2025-02-24 | MKL | MARKEL STEVEN A | Dir | S - Sale | $1,858.49 | -1,146 | 63.7K | -2% | -$2.13M |
| 2025-02-25 | 2025-02-24 | MKL | MARKEL ANTHONY F | Dir | G - Gift | $0.00 | -840 | 15.0K | -5% | $0 | |
| M | 2025-02-25 | 2025-02-21 | MKL | MARKEL STEVEN A | Dir | S - Sale | $1,856.80 | -800 | 65.5K | -1% | -$1.49M |
| 2025-02-20 | 2025-02-18 | MKL | Grandis Meade P. | CAO, Ctrl | A - Grant | $0.00 | +51.36 | 224.36 | +30% | $0 | |
| 2025-02-20 | 2025-02-18 | MKL | Costanzo Brian J. | CFO | A - Grant | $0.00 | +379.41 | 969.97 | +64% | $0 | |
| 2025-02-20 | 2025-02-18 | MKL | Crowley Andrew G. | Pres, Markel Ventures | A - Grant | $0.00 | +517.83 | 1,938 | +36% | $0 | |
| 2025-02-20 | 2025-02-18 | MKL | GAYNER THOMAS SINNICKSON | CEO, Dir | A - Grant | $0.00 | +3,350 | 52.3K | +7% | $0 | |
| 2025-02-20 | 2025-02-18 | MKL | Noble Jeremy Andrew | Pres, Insurance | A - Grant | $0.00 | +1,015 | 4,888 | +26% | $0 | |
| 2025-02-20 | 2025-02-18 | MKL | Grinnan Richard Randolph | SVP, CLO, Sec | A - Grant | $0.00 | +600.75 | 3,601 | +20% | $0 | |
| 2025-02-20 | 2025-02-18 | MKL | Heaton Michael R | EVP, COO | A - Grant | $0.00 | +1,015 | 4,838 | +27% | $0 | |
| 2025-02-07 | 2025-02-07 | MKL | GAYNER THOMAS SINNICKSON | CEO, Dir | P - Purchase | $2,008.01 | +100 | 48.9K | +0.2% | +$200.8K | |
| 2025-01-17 | 2024-12-31 | MKL | Costanzo Brian J. | CFO | J - Other | $1,336.81 | +2.09 | 590.55 | +0.4% | +$2,794 | |
| M | 2025-01-17 | 2024-12-31+ | MKL | Noble Jeremy Andrew | Pres, Insurance | J - Other | $1,409.32 | +4.47 | 3,873 | +0.1% | +$6,300 |
| 2025-01-17 | 2025-01-15 | MKL | Crowley Andrew G. | Pres, Markel Ventures | J - Other | $1,571.67 | +6.36 | 1,424 | +0.4% | +$9,996 | |
| 2024-12-27 | 2024-12-24 | MKL | Crowley Andrew G. | Pres, Markel Ventures | J - Other | $1,562.21 | +6.40 | 1,417 | +0.5% | +$9,998 |
Purchase Sale Sale after option exercise All abbreviations