| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Thomas Sinnickson Gayner | Chief Executive Officer | 2026-05-15 | 481 | $1.84k | $886.96kSell |
| Brian J. Costanzo | Chief Financial Officer | 2026-05-15 | 13 | $1.84k | $23.97kSell |
| Brian J. Costanzo | Chief Financial Officer | 2026-05-15 | 30 | $1.66k | $49.79kBuy |
| Andrew G. Crowley | EVP Pres. Markel Ventures | 2026-05-15 | 74 | $1.84k | $136.46kSell |
| Andrew G. Crowley | EVP Pres. Markel Ventures | 2026-05-15 | 60 | $1.66k | $99.58kBuy |
| Richard Randolph Grinnan | SVP Chief Legal Officer Sec | 2026-05-15 | 116 | $1.84k | $213.90kSell |
| Diane Leopold | Director | 2026-05-07 | 50 | $1.79k | $89.46kBuy |
| Diane Leopold | Director | 2026-05-06 | 100 | $1.79k | $179.26kBuy |
| A. Lynne Puckett | Director | 2026-05-01 | 57 | $1.80k | $102.35kBuy |
| Andrew G. Crowley | EVP Pres. Markel Ventures | 2026-03-31 | 9 | $1.63k | $14.64kBuy |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Blackrock Inc | 5.68% | 710,606 | $1.32B | Institution |
| Vanguard Capital Management LLC | 4.35% | 544,507 | $1.01B | Institution |
| Vanguard Portfolio Management LLC | 4.19% | 524,201 | $971.58M | Institution |
| Principal Financial Group Inc | 3.21% | 401,876 | $744.86M | Institution |
| Davis Selected Advisers | 3.06% | 383,433 | $710.67M | Institution |
| Select Equity Group LP | 3.02% | 377,643 | $699.94M | Institution |
| Morgan Stanley | 2.85% | 357,087 | $661.84M | Institution |
| State Street Corp | 2.45% | 306,990 | $568.99M | Institution |
| Boston Partners | 2.01% | 250,972 | $465.16M | Institution |
| Van Lanschot Kempen Investment Management Nv | 1.81% | 226,148 | $419.15M | Institution |