| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Gerard P. Smyth | EVP Hd. of Tech. Serv. Del | 2026-05-14 | 6,255 | $472.52 | $2.96MSell |
| 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 | 2,221 | $165.41 | $367.38kBuy |
| 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 | 3,428 | $179.84 | $616.49kBuy |
| Gumer Alvero | PRESIDENT-INSURANCEANNUITIES | 2026-02-09 | 4,658 | $542.88 | $2.53MSell |
| Gumer Alvero | PRESIDENT-INSURANCEANNUITIES | 2026-02-09 | 4,950 | $542.78 | $2.69MSell |
| Gumer Alvero | PRESIDENT-INSURANCEANNUITIES | 2026-02-09 | 4,865 | $126.89 | $617.32kBuy |
| Walter Stanley Berman | EXECUTIVE VP AND CFO | 2026-02-05 | 7,000 | $544.22 | $3.81MSell |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 60.34% | 54,244,274 | $25.52B | Insider |
| Blackrock Inc | 9.60% | 8,625,947 | $4.06B | Institution |
| Vanguard Capital Management LLC | 6.60% | 5,932,051 | $2.79B | Institution |
| Vanguard Portfolio Management LLC | 5.84% | 5,254,197 | $2.47B | Institution |
| State Street Corp | 5.11% | 4,592,587 | $2.16B | Institution |
| Geode Capital Management LLC | 3.20% | 2,873,671 | $1.35B | Institution |
| Aristotle Capital Management LLC | 2.46% | 2,211,677 | $1.04B | Institution |
| Morgan Stanley | 2.24% | 2,009,741 | $945.34M | Institution |
| Nuveen LLC | 1.67% | 1,499,080 | $705.14M | Institution |
| Aqr Capital Management LLC | 1.64% | 1,475,334 | $693.97M | Institution |