| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Dermot McDonogh | CFO | 2026-07-29 | 9,000 | $153.79 | $1.38MSell |
| Dermot McDonogh | CFO | 2026-07-29 | 7,200 | $156.68 | $1.13MSell |
| Dermot McDonogh | CFO | 2026-07-29 | 10,303 | $155.76 | $1.60MSell |
| Dermot McDonogh | CFO | 2026-07-29 | 5,297 | $154.90 | $820.49kSell |
| Robin A. Vince | CEO;Chair | 2026-07-16 | 24,833 | $161.08 | $4.00MBuy |
| Robin A. Vince | CEO;Chair | 2026-07-16 | 24,833 | $161.08 | $4.00MSell |
| Sandra Oconnor | Director | 2026-07-01 | 188 | $146.02 | $27.45kBuy |
| Jeffrey A. Goldstein | Director | 2026-07-01 | 282 | $146.02 | $41.18kBuy |
| Joseph Echevarria | Director | 2026-07-01 | 616 | $146.02 | $89.95kBuy |
| Elizabeth Robinson | Director | 2026-07-01 | 72 | $146.02 | $10.51kBuy |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 12.99% | 88,130,897 | $14.08B | Insider |
| Edward P. Garden | 1.86% | 12,606,465 | $2.01B | Insider |
| Ronald Scott Grupp | 1.47% | 10,000,000 | $1.60B | Insider |
| Gerald L. Hassell | 0.28% | 1,923,717 | $307.33M | Insider |
| Thomas A. Renyi | 0.14% | 971,885 | $155.27M | Insider |
| Joseph M. Velli | 0.14% | 946,245 | $151.17M | Insider |
| Alan R. Griffith | 0.11% | 735,568 | $117.51M | Insider |
| Robert P. Kelly | 0.11% | 718,089 | $114.72M | Insider |
| Curtis Arledge | 0.11% | 717,052 | $114.56M | Insider |
| Robin A. Vince | 0.10% | 650,627 | $103.94M | Insider |