| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Heather J. Melloh | EVP AND GENERAL COUNSEL | 2025-09-04 | 1,500 | $512.34 | $768.50kSell |
| William F. Truscott | CEO GLOBAL ASSET MANAGEMENT | 2025-08-19 | 18,617 | $506.57 | $9.43MSell |
| William F. Truscott | CEO GLOBAL ASSET MANAGEMENT | 2025-08-19 | 9,929 | $506.89 | $5.03MSell |
| William F. Truscott | CEO GLOBAL ASSET MANAGEMENT | 2025-08-19 | 28,546 | $165.41 | $4.72MBuy |
| Gerard P. Smyth | EVP CIO | 2025-07-10 | 88 | $542.51 | $47.74kSell |
| William F. Truscott | CEO GLOBAL ASSET MANAGEMENT | 2025-07-10 | 243 | $542.51 | $131.83kSell |
| Joseph Edward Sweeney | PRES-AWM PRODUCTS SERVICES | 2025-07-10 | 145 | $542.51 | $78.66kSell |
| Dawn M. Brockman | SVP AND CONTROLLER | 2025-07-10 | 9 | $542.51 | $4.88kSell |
| Joseph Edward Sweeney | PRES-AWM PRODUCTS SERVICES | 2025-02-19 | 4,636 | $539.07 | $2.50MSell |
| Robert Francis Sharpe Jr. | Director | 2025-02-18 | 1,000 | $551.44 | $551.44kSell |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 58.39% | 54,244,274 | $23.91B | Insider |
| Vanguard Group Inc | 13.31% | 12,366,164 | $5.45B | Institution |
| Blackrock Inc | 9.68% | 8,989,868 | $3.96B | Institution |
| Jpmorgan Chase Co | 5.17% | 4,804,486 | $2.12B | Institution |
| State Street Corp | 4.76% | 4,420,072 | $1.95B | Institution |
| Geode Capital Management LLC | 3.06% | 2,841,367 | $1.25B | Institution |
| Aristotle Capital Management LLC | 2.62% | 2,429,655 | $1.07B | Institution |
| Morgan Stanley | 2.36% | 2,193,676 | $966.97M | Institution |
| Northern Trust Corp | 1.33% | 1,239,826 | $546.52M | Institution |
| Boston Partners | 1.28% | 1,193,048 | $525.90M | Institution |