| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Jul 31 '26 | Sale | 199.55 | 182,980 | 36,513,293 | 28,697,229 | Aug 04 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | May 01 '26 | Sale | 149.84 | 1,220,376 | 182,864,679 | 28,880,209 | May 05 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Jan 29 '26 | Sale | 120.56 | 1,658,480 | 199,939,881 | 30,100,585 | Feb 02 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 27 '25 | Sale | 135.36 | 401,514 | 54,347,249 | 31,759,065 | Oct 29 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Aug 04 '25 | Buy | 21.63 | 1,037,199 | 22,429,636 | 124,807,117 | Aug 04 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Aug 01 '25 | Buy | 21.02 | 1,930,000 | 40,574,004 | 123,769,918 | Aug 04 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Jul 31 '25 | Buy | 21.06 | 2,063,226 | 43,450,740 | 121,839,918 | Aug 04 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Jul 31 '25 | Sale | 140.61 | 1,635,962 | 230,024,764 | 32,160,579 | Aug 04 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Jul 30 '25 | Sale | 282.15 | 4,300,000 | 1,213,245,000 | 8,989,880 | Aug 01 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | May 27 '25 | Sale | 139.45 | 103,274 | 14,401,483 | 33,796,541 | May 27 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | May 23 '25 | Sale | 137.81 | 64,066 | 8,828,933 | 33,899,815 | May 27 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | May 22 '25 | Sale | 138.98 | 32,660 | 4,538,983 | 33,963,881 | May 27 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | May 08 '25 | Sale | 147.11 | 1,145,938 | 168,576,647 | 33,996,541 | May 12 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Feb 19 '25 | Sale | 154.09 | 129,938 | 20,022,517 | 35,142,479 | Feb 19 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Feb 18 '25 | Sale | 154.60 | 120,062 | 18,561,104 | 35,272,417 | Feb 19 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Feb 14 '25 | Sale | 154.94 | 500,000 | 77,471,999 | 35,392,479 | Feb 19 |
| DVA | BERKSHIRE HATHAWAY INC | 10% Owner | Feb 11 '25 | Sale | 156.01 | 203,091 | 31,684,430 | 35,892,479 | Feb 13 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Feb 07 '25 | Buy | 46.82 | 763,017 | 35,724,074 | 264,941,431 | Feb 11 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Feb 03 '25 | Buy | 23.71 | 716,978 | 17,000,166 | 119,776,692 | Feb 03 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Jan 31 '25 | Buy | 23.62 | 840,000 | 19,838,448 | 119,059,714 | Feb 03 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Jan 30 '25 | Buy | 22.79 | 751,141 | 17,118,729 | 118,219,714 | Feb 03 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Jan 03 '25 | Buy | 204.63 | 12,544 | 2,566,843 | 13,289,880 | Jan 03 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Jan 02 '25 | Buy | 204.84 | 5,879 | 1,204,271 | 13,277,336 | Jan 03 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 31 '24 | Buy | 204.83 | 1,621 | 332,027 | 13,271,457 | Jan 03 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 30 '24 | Buy | 204.35 | 26,471 | 5,409,457 | 13,269,836 | Dec 30 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 27 '24 | Buy | 203.73 | 32,105 | 6,540,749 | 13,243,365 | Dec 30 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 26 '24 | Buy | 202.35 | 17,911 | 3,624,332 | 13,211,260 | Dec 30 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 24 '24 | Buy | 200.91 | 14,921 | 2,997,704 | 13,193,349 | Dec 26 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 23 '24 | Buy | 199.34 | 34,666 | 6,910,153 | 13,178,428 | Dec 26 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 20 '24 | Buy | 198.64 | 93,837 | 18,640,038 | 13,143,762 | Dec 26 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 19 '24 | Buy | 20.86 | 2,069,377 | 43,160,130 | 117,468,573 | Dec 19 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 19 '24 | Buy | 193.50 | 67,300 | 13,022,359 | 13,049,925 | Dec 19 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 19 '24 | Buy | 45.60 | 3,614,015 | 164,787,626 | 264,178,414 | Dec 19 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 18 '24 | Buy | 46.26 | 2,805,513 | 129,777,124 | 260,564,399 | Dec 19 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 18 '24 | Buy | 22.15 | 1,454,467 | 32,212,175 | 115,399,196 | Dec 19 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 18 '24 | Buy | 192.57 | 84,000 | 16,175,670 | 12,982,625 | Dec 19 |
| VRSN | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 17 '24 | Buy | 195.22 | 83,012 | 16,205,438 | 12,898,625 | Dec 19 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 17 '24 | Buy | 46.25 | 2,477,362 | 114,588,397 | 257,758,886 | Dec 19 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Dec 17 '24 | Buy | 22.13 | 1,440,000 | 31,862,448 | 113,944,729 | Dec 19 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 31 '24 | Buy | 26.59 | 679,207 | 18,060,997 | 112,504,729 | Oct 31 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 30 '24 | Buy | 27.44 | 925,205 | 25,391,326 | 111,825,522 | Oct 31 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 29 '24 | Buy | 27.65 | 623,527 | 17,240,522 | 110,900,317 | Oct 31 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 18 '24 | Buy | 27.43 | 175,569 | 4,815,945 | 110,276,790 | Oct 18 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 17 '24 | Buy | 27.01 | 1,040,000 | 28,094,248 | 110,101,221 | Oct 18 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 16 '24 | Buy | 26.99 | 342,133 | 9,233,143 | 109,061,221 | Oct 18 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 11 '24 | Buy | 24.95 | 1,259,259 | 31,415,238 | 108,719,088 | Oct 11 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 10 '24 | Buy | 24.27 | 1,435,000 | 34,829,914 | 107,459,829 | Oct 11 |
| SIRI | BERKSHIRE HATHAWAY INC | 10% Owner | Oct 09 '24 | Buy | 23.55 | 869,800 | 20,485,791 | 106,024,829 | Oct 11 |
| LLYVK | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 14 '24 | Sale | 33.12 | 12,419 | 411,276 | 4,986,588 | Jun 20 |
| LLYVK | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 13 '24 | Sale | 34.06 | 52,911 | 1,802,170 | 4,999,007 | Jun 20 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 17 '24 | Buy | 59.75 | 334,461 | 19,983,744 | 255,281,524 | Jun 17 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 14 '24 | Buy | 59.59 | 1,060,653 | 63,203,570 | 254,947,063 | Jun 17 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 13 '24 | Buy | 59.77 | 1,552,497 | 92,789,485 | 253,886,410 | Jun 17 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 12 '24 | Buy | 60.28 | 765,899 | 46,166,171 | 252,333,913 | Jun 12 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 11 '24 | Buy | 60.43 | 399,859 | 24,161,600 | 251,568,014 | Jun 12 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 10 '24 | Buy | 60.26 | 584,550 | 35,222,762 | 251,168,155 | Jun 12 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 07 '24 | Buy | 59.67 | 1,386,844 | 82,751,179 | 250,583,605 | Jun 07 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 06 '24 | Buy | 59.93 | 654,293 | 39,214,528 | 249,196,761 | Jun 07 |
| OXY | BERKSHIRE HATHAWAY INC | 10% Owner | Jun 05 '24 | Buy | 59.75 | 524,340 | 31,326,798 | 248,542,468 | Jun 07 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 29 '24 | Buy | 25.47 | 311,637 | 7,936,272 | 70,002,897 | May 01 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 29 '24 | Buy | 25.47 | 311,637 | 7,936,272 | 70,002,897 | May 01 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 26 '24 | Buy | 24.39 | 496,551 | 12,112,183 | 69,691,260 | Apr 26 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 26 '24 | Buy | 24.39 | 496,551 | 12,112,183 | 69,691,260 | Apr 26 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 25 '24 | Buy | 24.39 | 384,778 | 9,384,326 | 69,414,012 | Apr 26 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 25 '24 | Buy | 24.39 | 384,778 | 9,384,326 | 69,414,012 | Apr 26 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 24 '24 | Buy | 25.19 | 265,687 | 6,692,024 | 69,186,543 | Apr 26 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 24 '24 | Buy | 25.19 | 265,687 | 6,692,024 | 69,186,543 | Apr 26 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 12 '24 | Buy | 25.62 | 730,244 | 18,709,218 | 69,044,244 | Apr 12 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 12 '24 | Buy | 25.62 | 730,244 | 18,709,218 | 69,044,244 | Apr 12 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 11 '24 | Buy | 26.16 | 376,650 | 9,853,462 | 68,631,017 | Apr 12 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 11 '24 | Buy | 26.16 | 376,650 | 9,853,462 | 68,631,017 | Apr 12 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 10 '24 | Buy | 25.98 | 831,327 | 21,597,844 | 68,423,017 | Apr 12 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 10 '24 | Buy | 25.98 | 831,327 | 21,597,844 | 68,423,017 | Apr 12 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 08 '24 | Buy | 26.97 | 1,338,573 | 36,105,105 | 67,909,913 | Apr 08 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 08 '24 | Buy | 26.97 | 1,338,573 | 36,105,105 | 67,909,913 | Apr 08 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 05 '24 | Buy | 27.22 | 400,246 | 10,892,763 | 66,971,017 | Apr 08 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 05 '24 | Buy | 27.22 | 400,246 | 10,892,763 | 66,971,017 | Apr 08 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 04 '24 | Buy | 27.72 | 1,807,511 | 50,108,018 | 66,736,288 | Apr 08 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Apr 04 '24 | Buy | 27.72 | 1,807,511 | 50,108,018 | 66,736,288 | Apr 08 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 28 '24 | Buy | 29.50 | 3,566 | 105,193 | 65,486,288 | Mar 28 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 28 '24 | Buy | 29.50 | 3,566 | 105,193 | 65,486,288 | Mar 28 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 27 '24 | Buy | 29.25 | 407,423 | 11,917,501 | 65,482,880 | Mar 28 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 27 '24 | Buy | 29.25 | 407,423 | 11,917,501 | 65,482,880 | Mar 28 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 26 '24 | Buy | 29.10 | 9,710,014 | 282,559,660 | 65,265,216 | Mar 28 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 26 '24 | Buy | 29.10 | 9,710,014 | 282,559,660 | 65,265,216 | Mar 28 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 25 '24 | Buy | 28.83 | 347,159 | 10,007,012 | 57,886,716 | Mar 25 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 25 '24 | Buy | 28.83 | 347,159 | 10,007,012 | 57,886,716 | Mar 25 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 22 '24 | Buy | 28.74 | 1,491,859 | 42,881,157 | 57,687,052 | Mar 25 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 22 '24 | Buy | 28.74 | 1,491,859 | 42,881,157 | 57,687,052 | Mar 25 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 21 '24 | Buy | 28.88 | 719,990 | 20,793,262 | 56,944,193 | Mar 25 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 21 '24 | Buy | 28.88 | 719,990 | 20,793,262 | 56,944,193 | Mar 25 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 12 '24 | Buy | 29.88 | 7,899,351 | 236,019,865 | 56,610,277 | Mar 12 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 12 '24 | Buy | 29.88 | 7,899,351 | 236,019,865 | 56,610,277 | Mar 12 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 11 '24 | Buy | 29.84 | 207,245 | 6,183,718 | 51,888,595 | Mar 12 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 11 '24 | Buy | 29.84 | 207,245 | 6,183,718 | 51,888,595 | Mar 12 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 08 '24 | Buy | 29.77 | 1,540,861 | 45,874,108 | 51,701,959 | Mar 12 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 08 '24 | Buy | 29.77 | 1,540,861 | 45,874,108 | 51,701,959 | Mar 12 |
| LSXMK | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 06 '24 | Buy | 29.42 | 1,472,000 | 43,300,845 | 50,682,902 | Mar 06 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 06 '24 | Buy | 29.42 | 1,472,000 | 43,300,845 | 50,682,902 | Mar 06 |
| LSXMA | BERKSHIRE HATHAWAY INC | 10% Owner | Mar 05 '24 | Buy | 29.29 | 1,243,496 | 36,418,648 | 49,494,902 | Mar 06 |