| 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 |
| Dawn M. Brockman | SVP AND CONTROLLER | 2025-07-10 | 9 | $542.51 | $4.88kSell |
| William F. Truscott | CEO GLOBAL ASSET MANAGEMENT | 2025-07-10 | 243 | $542.51 | $131.83kSell |
| Gerard P. Smyth | EVP CIO | 2025-07-10 | 88 | $542.51 | $47.74kSell |
| Joseph Edward Sweeney | PRES-AWM PRODUCTS SERVICES | 2025-07-10 | 145 | $542.51 | $78.66kSell |
| Joseph Edward Sweeney | PRES-AWM PRODUCTS SERVICES | 2025-02-19 | 4,636 | $539.07 | $2.50MSell |
| Walter Stanley Berman | EXECUTIVE VP AND CFO | 2025-02-18 | 4,000 | $550.71 | $2.20MSell |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 57.54% | 54,244,274 | $24.56B | Insider |
| Vanguard Group Inc | 13.19% | 12,432,261 | $5.63B | Institution |
| Blackrock Inc | 10.06% | 9,483,179 | $4.29B | Institution |
| Jpmorgan Chase Co | 6.65% | 6,270,995 | $2.84B | Institution |
| State Street Corp | 4.67% | 4,401,193 | $1.99B | Institution |
| Geode Capital Management LLC | 2.99% | 2,818,428 | $1.28B | Institution |
| Aristotle Capital Management LLC | 2.70% | 2,547,591 | $1.15B | Institution |
| Morgan Stanley | 2.43% | 2,286,605 | $1.04B | Institution |
| Norges Bank | 1.38% | 1,299,788 | $588.51M | Institution |
| Ubs Group Ag | 1.36% | 1,278,522 | $578.88M | Institution |