| 09/28/26 | Jain AjitVice Chairman, Director | Sell | 39,700 | $503.09 | $19.97M |
| 09/03/26 | Jain AjitVice Chairman, Director | Gift | 10 | - | - |
| 08/12/26 | O'sullivan Michael J.See Remarks | Buy | 45 | $510.64 | $22.98K |
| 08/12/26 | O'sullivan Michael J.See Remarks | Buy | 400 | $512.52 | $205.01K |
| 08/12/26 | O'sullivan Michael J.See Remarks | Buy | 43 | $513.61 | $22.09K |
| 07/14/26 | Buffett Warren EDirector, 10%+ Owner | Conversion | 12,000,000 | - | - |
| 07/14/26 | Buffett Warren EDirector, 10%+ Owner | Gift | 9,000,000 | - | - |
| 07/14/26 | Buffett Warren EDirector, 10%+ Owner | Gift | 1,000,000 | - | - |
| 07/14/26 | Buffett Warren EDirector, 10%+ Owner | Gift | 1,000,000 | - | - |
| 07/14/26 | Buffett Warren EDirector, 10%+ Owner | Gift | 1,000,000 | - | - |
| 07/01/26 | Jain AjitVice Chairman, Director | Gift | 3 | - | - |
| 05/22/26 | Buffett Warren EDirector, 10%+ Owner | Gift | 160 | - | - |
| 05/18/26 | Buffett Warren EDirector, 10%+ Owner | Conversion | 37,500 | - | - |
| 05/18/26 | Buffett Warren EDirector, 10%+ Owner | Gift | 18,646 | - | - |
| 05/18/26 | Buffett Warren EDirector, 10%+ Owner | Gift | 18,646 | - | - |
| 05/14/26 | Guyman CharlotteDirector | Gift | 574 | - | - |
| 05/06/26 | O'sullivan Michael J.See Remarks | Buy | 483 | $467.13 | $225.62K |
| 05/06/26 | O'sullivan Michael J.See Remarks | Buy | 53 | $470.22 | $24.92K |
| 03/27/26 | Jain AjitVice Chairman, Director | Gift | 22 | - | - |
| 11/10/25 | Buffett Warren EChairman and CEO, Director, 10%+ Owner | Conversion | 2,700,000 | - | - |
| 11/10/25 | Buffett Warren EChairman and CEO, Director, 10%+ Owner | Gift | 1,500,000 | - | - |
| 11/10/25 | Buffett Warren EChairman and CEO, Director, 10%+ Owner | Gift | 400,000 | - | - |
| 11/10/25 | Buffett Warren EChairman and CEO, Director, 10%+ Owner | Gift | 400,000 | - | - |
| 11/10/25 | Buffett Warren EChairman and CEO, Director, 10%+ Owner | Gift | 400,000 | - | - |
| 11/03/25 | Guyman CharlotteDirector | Conversion | 1,500 | - | - |
| 11/03/25 | Guyman CharlotteDirector | Gift | 410 | - | - |
| 10/22/25 | Jain AjitVice Chairman, Director | Gift | 32 | - | - |