| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Petruzillo Kelli A. Hunter | Exec VP of Human Resources | 2026-07-09 | 98 | $500.16 | $49.02kSell |
| William Jerryl Williams | Pres Wealth Mgmt Advisor Grp | 2026-07-09 | 23 | $500.16 | $11.50kSell |
| Dawn M. Brockman | SVP AND CONTROLLER | 2026-07-09 | 9 | $500.16 | $4.50kSell |
| William F. Truscott | CEO GLOBAL ASSET MANAGEMENT | 2026-07-09 | 180 | $500.16 | $90.03kSell |
| Gerard P. Smyth | EVP Hd. of Tech. Serv. Del | 2026-05-14 | 2,221 | $165.41 | $367.38kBuy |
| Gerard P. Smyth | EVP Hd. of Tech. Serv. Del | 2026-05-14 | 1,437 | $471.22 | $677.14kSell |
| Gerard P. Smyth | EVP Hd. of Tech. Serv. Del | 2026-05-14 | 6,255 | $472.52 | $2.96MSell |
| Robert Francis Sharpe Jr. | Director | 2026-05-08 | 1,200 | $465.83 | $559.00kSell |
| William F. Truscott | CEO GLOBAL ASSET MANAGEMENT | 2026-02-10 | 5,000 | $532.08 | $2.66MSell |
| Gumer Alvero | PRESIDENT-INSURANCEANNUITIES | 2026-02-09 | 4,658 | $542.88 | $2.53MSell |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 60.34% | 54,244,274 | $28.92B | Insider |
| Blackrock Inc | 9.60% | 8,625,947 | $4.60B | Institution |
| Vanguard Capital Management LLC | 6.60% | 5,932,051 | $3.16B | Institution |
| Vanguard Portfolio Management LLC | 5.84% | 5,254,197 | $2.80B | Institution |
| State Street Corp | 5.11% | 4,592,587 | $2.45B | Institution |
| Geode Capital Management LLC | 3.20% | 2,873,671 | $1.53B | Institution |
| Aristotle Capital Management LLC | 2.46% | 2,211,677 | $1.18B | Institution |
| Morgan Stanley | 2.24% | 2,009,741 | $1.07B | Institution |
| Nuveen LLC | 1.67% | 1,499,080 | $799.32M | Institution |
| Aqr Capital Management LLC | 1.64% | 1,475,334 | $786.66M | Institution |