Berkshire Hathaway Inc.

O'Sullivan Michael J. bought 45 shares of BRK-B on 12 August. They now own 708 BRK-B shares.

Chang Charles C bought 1 shares of BRK-B on 12 August. They now own 7 BRK-B shares.

O'Sullivan Michael J. bought 43 shares of BRK-B on 12 August. They now own 1,151 BRK-B shares.

O'Sullivan Michael J. bought 400 shares of BRK-B on 12 August. They now own 1,108 BRK-B shares.

Chang Charles C bought 1 shares of BRK-B on 12 August. They now own 8 BRK-B shares.

Jain Ajit sold 28 shares of BRK-B on 12 January. They now own 491 BRK-B shares.

Guyman Charlotte sold 65 shares of BRK-B on 14 December. They now own 955 BRK-B shares.

Guyman Charlotte sold 98 shares of BRK-B on 14 December. They now own 1,020 BRK-B shares.

Guyman Charlotte sold 105 shares of BRK-B on 14 December. They now own 1,118 BRK-B shares.

Guyman Charlotte sold 16 shares of BRK-B on 12 December. They now own 1,223 BRK-B shares.

Guyman Charlotte sold 148 shares of BRK-B on 12 December. They now own 1,352 BRK-B shares.

Guyman Charlotte sold 113 shares of BRK-B on 12 December. They now own 1,239 BRK-B shares.

Jain Ajit sold 3 shares of BRK-B on 8 November. They now own 579 BRK-B shares.

Guyman Charlotte bought 1,500 shares of BRK-B on 27 October. They now own 1,500 BRK-B shares.

Guyman Charlotte sold 1 shares of BRK-B on 27 October. They now own 58 BRK-B shares.

Jain Ajit sold 75 shares of BRK-B on 23 October. They now own 582 BRK-B shares.

Munger Charles T sold 77 shares of BRK-B on 5 October. They now own 4,033 BRK-B shares.

Jain Ajit sold 15 shares of BRK-B on 8 September. They now own 597 BRK-B shares.

Buffett Warren E sold 50 shares of BRK-B on 15 August. They now own 218,237 BRK-B shares.

Jain Ajit bought 50 shares of BRK-B on 15 August. They now own 50 BRK-B shares.

Jain Ajit sold 28,000 shares of BRK-B on 8 August. They now own 124,308 BRK-B shares.

Jain Ajit sold 75 shares of BRK-B on 28 June. They now own 612 BRK-B shares.

Buffett Warren E sold 1,045,300 shares of BRK-B on 21 June. They now own 2,195,468 BRK-B shares.

Buffett Warren E sold 731,708 shares of BRK-B on 21 June. They now own 732,052 BRK-B shares.

Buffett Warren E sold 731,708 shares of BRK-B on 21 June. They now own 1,463,760 BRK-B shares.

Buffett Warren E sold 731,708 shares of BRK-B on 21 June. They now own 344 BRK-B shares.

Buffett Warren E sold 10,453,008 shares of BRK-B on 21 June. They now own 3,240,768 BRK-B shares.

Buffett Warren E sold 9,129 shares of BRK-B on 21 June. They now own 218,287 BRK-B shares.

Buffett Warren E bought 13,693,500 shares of BRK-B on 21 June. They now own 13,693,776 BRK-B shares.

Jain Ajit sold 16 shares of BRK-B on 5 June. They now own 687 BRK-B shares.

Olson Ronald L sold 24 shares of BRK-B on 18 May. They now own 4 BRK-B shares.

Olson Ronald L sold 1,562 shares of BRK-B on 18 May. They now own 1,235 BRK-B shares.

Olson Ronald L sold 1 shares of BRK-B on 17 May. They now own 28 BRK-B shares.

Olson Ronald L bought 1,500 shares of BRK-B on 17 May. They now own 2,797 BRK-B shares.

Jain Ajit sold 68 shares of BRK-B on 11 May. They now own 703 BRK-B shares.

Abel Gregory E. bought 55 shares of BRK-B on 17 March. They now own 228 BRK-B shares.

Munger Charles T sold 60 shares of BRK-B on 9 March. They now own 4,110 BRK-B shares.

Jain Ajit sold 6,595 shares of BRK-B on 2 March. They now own 152,308 BRK-B shares.

Jain Ajit sold 4 shares of BRK-B on 24 February. They now own 822 BRK-B shares.

Murphy Thomas S Jr sold 96 shares of BRK-B on 19 December. They now own 0 BRK-B shares.

Guyman Charlotte sold 1 shares of BRK-B on 12 December. They now own 59 BRK-B shares.

Jain Ajit sold 4,020 shares of BRK-B on 29 November. They now own 158,903 BRK-B shares.

Buffett Warren E sold 1,500,000 shares of BRK-B on 23 November. They now own 900,276 BRK-B shares.

Buffett Warren E sold 300,000 shares of BRK-B on 23 November. They now own 276 BRK-B shares.

Buffett Warren E sold 300,000 shares of BRK-B on 23 November. They now own 600,276 BRK-B shares.

Buffett Warren E sold 300,000 shares of BRK-B on 23 November. They now own 300,276 BRK-B shares.

Buffett Warren E sold 1,600 shares of BRK-B on 22 November. They now own 227,416 BRK-B shares.

Buffett Warren E bought 2,400,000 shares of BRK-B on 22 November. They now own 2,400,276 BRK-B shares.

Buffett Warren E sold 11,003,166 shares of BRK-B on 14 June. They now own 3,411,246 BRK-B shares.

Buffett Warren E sold 770,218 shares of BRK-B on 14 June. They now own 1,540,712 BRK-B shares.

Buffett Warren E sold 770,218 shares of BRK-B on 14 June. They now own 276 BRK-B shares.

Buffett Warren E sold 770,218 shares of BRK-B on 14 June. They now own 770,494 BRK-B shares.

Buffett Warren E sold 1,100,316 shares of BRK-B on 14 June. They now own 2,310,930 BRK-B shares.

Buffett Warren E sold 9,608 shares of BRK-B on 14 June. They now own 229,016 BRK-B shares.

Buffett Warren E bought 14,412,000 shares of BRK-B on 14 June. They now own 14,414,412 BRK-B shares.

Jain Ajit sold 7 shares of BRK-B on 6 January. They now own 915 BRK-B shares.

Gottesman David S bought 0 shares of BRK-B on 31 December. They now own 0 BRK-B shares.

Munger Charles T sold 100 shares of BRK-B on 22 December. They now own 4,270 BRK-B shares.

Jain Ajit sold 69 shares of BRK-B on 21 December. They now own 922 BRK-B shares.

Guyman Charlotte sold 10 shares of BRK-B on 16 December. They now own 60 BRK-B shares.

Guyman Charlotte sold 1 shares of BRK-B on 13 December. They now own 71 BRK-B shares.

Guyman Charlotte sold 1 shares of BRK-B on 13 December. They now own 70 BRK-B shares.

Guyman Charlotte sold 3 shares of BRK-B on 13 December. They now own 72 BRK-B shares.

Guyman Charlotte sold 5 shares of BRK-B on 10 December. They now own 75 BRK-B shares.

Guyman Charlotte sold 5 shares of BRK-B on 10 December. They now own 80 BRK-B shares.

Guyman Charlotte sold 10 shares of BRK-B on 10 December. They now own 85 BRK-B shares.

Guyman Charlotte sold 3 shares of BRK-B on 7 December. They now own 97 BRK-B shares.

Guyman Charlotte sold 1 shares of BRK-B on 7 December. They now own 96 BRK-B shares.

Guyman Charlotte sold 1 shares of BRK-B on 7 December. They now own 95 BRK-B shares.

Jain Ajit sold 35 shares of BRK-B on 3 November. They now own 991 BRK-B shares.

Jain Ajit sold 7,200 shares of BRK-B on 29 October. They now own 170,043 BRK-B shares.

Davis Christopher C sold 0 shares of BRK-B on 20 October. They now own 2,666 BRK-B shares.

Buffett Susan A. sold 0 shares of BRK-B on 20 October. They now own 450 BRK-B shares.

Buffett Susan A. sold 25 shares of BRK-B on 20 October. They now own 0 BRK-B shares.

Davis Christopher C sold 36 shares of BRK-B on 20 October. They now own 0 BRK-B shares.

Jain Ajit sold 59 shares of BRK-B on 12 October. They now own 1,026 BRK-B shares.

Jain Ajit sold 26 shares of BRK-B on 15 September. They now own 1,085 BRK-B shares.

Munger Charles T sold 40 shares of BRK-B on 10 September. They now own 4,370 BRK-B shares.

Jain Ajit sold 36 shares of BRK-B on 10 September. They now own 1,111 BRK-B shares.

Jain Ajit sold 7 shares of BRK-B on 17 August. They now own 1,147 BRK-B shares.

Buffett Warren E sold 1,158,228 shares of BRK-B on 23 June. They now own 2,434,680 BRK-B shares.

Buffett Warren E sold 11,582,280 shares of BRK-B on 23 June. They now own 3,592,908 BRK-B shares.

Buffett Warren E sold 810,756 shares of BRK-B on 23 June. They now own 2,412 BRK-B shares.

Buffett Warren E sold 810,756 shares of BRK-B on 23 June. They now own 1,623,924 BRK-B shares.

Buffett Warren E sold 810,756 shares of BRK-B on 23 June. They now own 813,168 BRK-B shares.

Abel Gregory bought 2,289 shares of BRK-B on 22 June. They now own 2,289 BRK-B shares.

Abel Gregory sold 763 shares of BRK-B on 22 June. They now own 0 BRK-B shares.

Buffett Warren E bought 15,165,000 shares of BRK-B on 21 June. They now own 15,175,188 BRK-B shares.

Buffett Warren E sold 10,110 shares of BRK-B on 21 June. They now own 238,624 BRK-B shares.

Jain Ajit sold 4 shares of BRK-B on 16 June. They now own 1,154 BRK-B shares.

Jain Ajit sold 7,852 shares of BRK-B on 4 May. They now own 177,243 BRK-B shares.

Munger Charles T sold 40 shares of BRK-B on 26 April. They now own 4,410 BRK-B shares.

Jain Ajit sold 38 shares of BRK-B on 13 April. They now own 1,158 BRK-B shares.

Munger Charles T sold 107 shares of BRK-B on 7 April. They now own 643 BRK-B shares.

Munger Charles T sold 8 shares of BRK-B on 7 April. They now own 4,450 BRK-B shares.

Jain Ajit sold 66 shares of BRK-B on 4 February. They now own 1,196 BRK-B shares.

Jain Ajit sold 68 shares of BRK-B on 22 December. They now own 1,262 BRK-B shares.

Olson Ronald L bought 4,000 shares of BRK-B on 18 December. They now own 5,446 BRK-B shares.

Munger Charles T sold 40 shares of BRK-B on 2 December. They now own 4,458 BRK-B shares.

Jain Ajit sold 44 shares of BRK-B on 2 December. They now own 1,330 BRK-B shares.

Jain Ajit sold 71 shares of BRK-B on 14 October. They now own 1,384 BRK-B shares.

Jain Ajit sold 7,000 shares of BRK-B on 30 September. They now own 185,095 BRK-B shares.

Munger Charles T sold 20 shares of BRK-B on 22 September. They now own 4,498 BRK-B shares.

Jain Ajit sold 60 shares of BRK-B on 28 July. They now own 1,445 BRK-B shares.

Jain Ajit sold 50 shares of BRK-B on 28 July. They now own 1,455 BRK-B shares.

Buffett Warren E sold 853,428 shares of BRK-B on 7 July. They now own 863,616 BRK-B shares.

Buffett Warren E sold 1,219,187 shares of BRK-B on 7 July. They now own 2,570,472 BRK-B shares.

Buffett Warren E bought 15,972,000 shares of BRK-B on 7 July. They now own 15,981,533 BRK-B shares.

Buffett Warren E sold 853,428 shares of BRK-B on 7 July. They now own 1,717,044 BRK-B shares.

Buffett Warren E sold 10,648 shares of BRK-B on 7 July. They now own 248,734 BRK-B shares.

Buffett Warren E sold 12,191,874 shares of BRK-B on 7 July. They now own 3,789,659 BRK-B shares.

Buffett Warren E sold 853,428 shares of BRK-B on 7 July. They now own 10,188 BRK-B shares.

Jain Ajit sold 1 shares of BRK-B on 6 July. They now own 0 BRK-B shares.

Jain Ajit bought 1,500 shares of BRK-B on 6 July. They now own 1,505 BRK-B shares.

Jain Ajit sold 5,600 shares of BRK-B on 1 July. They now own 192,095 BRK-B shares.

Munger Charles T sold 20 shares of BRK-B on 15 June. They now own 4,518 BRK-B shares.

Witmer Meryl B bought 2 shares of BRK-B on 18 May. They now own 2 BRK-B shares.

Witmer Meryl B bought 1 shares of BRK-B on 18 May. They now own 1 BRK-B shares.

Witmer Meryl B bought 1,000 shares of BRK-B on 18 May. They now own 2,000 BRK-B shares.

Jain Ajit sold 768 shares of BRK-B on 15 May. They now own 5 BRK-B shares.

Chenault Kenneth I bought 4,500 shares of BRK-B on 2 May. They now own 0 BRK-B shares.

Chenault Kenneth I bought 0 shares of BRK-B on 2 May. They now own 1,855 BRK-B shares.

Jain Ajit sold 74 shares of BRK-B on 28 February. They now own 623 BRK-B shares.

Jain Ajit sold 9 shares of BRK-B on 27 December. They now own 697 BRK-B shares.

Jain Ajit sold 173 shares of BRK-B on 21 October. They now own 706 BRK-B shares.

Buffett Warren E sold 12 shares of BRK-B on 11 October. They now own 259,382 BRK-B shares.

Jain Ajit sold 8 shares of BRK-B on 22 August. They now own 879 BRK-B shares.

Jain Ajit sold 5 shares of BRK-B on 29 July. They now own 887 BRK-B shares.

Jain Ajit sold 49 shares of BRK-B on 22 July. They now own 892 BRK-B shares.

Buffett Warren E sold 12,833,551 shares of BRK-B on 1 July. They now own 4,043,519 BRK-B shares.

Buffett Warren E sold 11,250 shares of BRK-B on 1 July. They now own 259,394 BRK-B shares.

Buffett Warren E sold 898,345 shares of BRK-B on 1 July. They now own 963,474 BRK-B shares.

Buffett Warren E sold 1,283,355 shares of BRK-B on 1 July. They now own 2,760,164 BRK-B shares.

Buffett Warren E bought 16,875,000 shares of BRK-B on 1 July. They now own 16,877,070 BRK-B shares.

Buffett Warren E sold 898,345 shares of BRK-B on 1 July. They now own 65,129 BRK-B shares.

Buffett Warren E sold 898,345 shares of BRK-B on 1 July. They now own 1,861,819 BRK-B shares.

Jain Ajit bought 73 shares of BRK-B on 3 June. They now own 941 BRK-B shares.

Buffett Warren E sold 119 shares of BRK-B on 18 April. They now own 2,070 BRK-B shares.

Buffett Warren E sold 75,000 shares of BRK-B on 8 April. They now own 2,189 BRK-B shares.

Jain Ajit bought 75,000 shares of BRK-B on 8 April. They now own 197,695 BRK-B shares.

Jain Ajit sold 586 shares of BRK-B on 15 March. They now own 1,014 BRK-B shares.

Buffett Warren E sold 8,982 shares of BRK-B on 8 March. They now own 82,207 BRK-B shares.

Buffett Warren E sold 5,018 shares of BRK-B on 8 March. They now own 77,189 BRK-B shares.

Jain Ajit bought 1,500 shares of BRK-B on 6 March. They now own 1,600 BRK-B shares.

Jain Ajit sold 1 shares of BRK-B on 6 March. They now own 66 BRK-B shares.

Buffett Warren E sold 24,765 shares of BRK-B on 28 February. They now own 91,189 BRK-B shares.

Buffett Warren E bought 0 shares of BRK-B on 31 December. They now own 0 BRK-B shares.

Guyman Charlotte bought 0 shares of BRK-B on 31 December. They now own 0 BRK-B shares.

Jain Ajit bought 67 shares of BRK-B on 18 December. They now own 67 BRK-B shares.

Jain Ajit sold 102 shares of BRK-B on 12 November. They now own 100 BRK-B shares.

Jain Ajit sold 5,700 shares of BRK-B on 7 November. They now own 122,695 BRK-B shares.

Jain Ajit sold 108 shares of BRK-B on 17 October. They now own 202 BRK-B shares.

Munger Charles T sold 214 shares of BRK-B on 26 September. They now own 4,538 BRK-B shares.

Jain Ajit sold 96 shares of BRK-B on 29 August. They now own 310 BRK-B shares.

Jain Ajit sold 49 shares of BRK-B on 15 August. They now own 406 BRK-B shares.

Buffett Warren E sold 945,626 shares of BRK-B on 16 July. They now own 2,074,537 BRK-B shares.

Buffett Warren E bought 17,800,500 shares of BRK-B on 16 July. They now own 17,880,065 BRK-B shares.

Buffett Warren E sold 1,350,900 shares of BRK-B on 16 July. They now own 3,020,163 BRK-B shares.

Buffett Warren E sold 945,626 shares of BRK-B on 16 July. They now own 1,128,911 BRK-B shares.

Buffett Warren E sold 945,626 shares of BRK-B on 16 July. They now own 183,285 BRK-B shares.

Buffett Warren E sold 524 shares of BRK-B on 16 July. They now own 79,565 BRK-B shares.

Buffett Warren E sold 11,867 shares of BRK-B on 16 July. They now own 270,644 BRK-B shares.

Buffett Warren E sold 13,509,002 shares of BRK-B on 16 July. They now own 4,371,063 BRK-B shares.

Munger Charles T sold 26 shares of BRK-B on 1 June. They now own 4,752 BRK-B shares.

Jain Ajit sold 6 shares of BRK-B on 27 May. They now own 455 BRK-B shares.

Jain Ajit sold 6 shares of BRK-B on 24 May. They now own 461 BRK-B shares.

Jain Ajit sold 732 shares of BRK-B on 15 May. They now own 467 BRK-B shares.

Jain Ajit sold 6,000 shares of BRK-B on 10 May. They now own 128,395 BRK-B shares.

Buffett Warren E sold 15,122 shares of BRK-B on 8 May. They now own 80,089 BRK-B shares.

Buffett Warren E sold 125 shares of BRK-B on 13 April. They now own 95,212 BRK-B shares.

Gottesman David S sold 34 shares of BRK-B on 28 March. They now own 78 BRK-B shares.

Buffett Warren E sold 5,017 shares of BRK-B on 27 March. They now own 95,337 BRK-B shares.

Buffett Warren E sold 5,822 shares of BRK-B on 23 March. They now own 100,354 BRK-B shares.

Buffett Warren E sold 23,481 shares of BRK-B on 12 March. They now own 106,176 BRK-B shares.

Jain Ajit sold 25 shares of BRK-B on 6 March. They now own 1,199 BRK-B shares.

Olson Ronald L sold 2,103 shares of BRK-B on 2 March. They now own 1,297 BRK-B shares.

Olson Ronald L sold 21 shares of BRK-B on 2 March. They now own 29 BRK-B shares.

Olson Ronald L bought 3,000 shares of BRK-B on 28 February. They now own 3,400 BRK-B shares.

Olson Ronald L sold 2 shares of BRK-B on 28 February. They now own 50 BRK-B shares.

Munger Charles T sold 67 shares of BRK-B on 26 February. They now own 4,778 BRK-B shares.

Jain Ajit bought 0 shares of BRK-B on 10 January. They now own 134,395 BRK-B shares.

Jain Ajit sold 100,500 shares of BRK-B on 10 January. They now own 0 BRK-B shares.

Jain Ajit bought 91,500 shares of BRK-B on 10 January. They now own 0 BRK-B shares.

Jain Ajit bought 0 shares of BRK-B on 10 January. They now own 150 BRK-B shares.

Jain Ajit bought 0 shares of BRK-B on 10 January. They now own 134,395 BRK-B shares.

Jain Ajit bought 91,500 shares of BRK-B on 10 January. They now own 0 BRK-B shares.

Jain Ajit sold 0 shares of BRK-B on 10 January. They now own 1,224 BRK-B shares.

Jain Ajit sold 100,500 shares of BRK-B on 10 January. They now own 0 BRK-B shares.

Jain Ajit sold 0 shares of BRK-B on 10 January. They now own 1,224 BRK-B shares.

Abel Gregory bought 0 shares of BRK-B on 9 January. They now own 763 BRK-B shares.

Abel Gregory bought 0 shares of BRK-B on 9 January. They now own 5 BRK-B shares.

Abel Gregory bought 0 shares of BRK-B on 9 January. They now own 74 BRK-B shares.

Buffett Warren E sold 150,000 shares of BRK-B on 3 January. They now own 129,657 BRK-B shares.

Buffett Warren E bought 150,000 shares of BRK-B on 2 January. They now own 279,657 BRK-B shares.

Buffett Warren E sold 100 shares of BRK-B on 2 January. They now own 282,511 BRK-B shares.

Guyman Charlotte bought 0 shares of BRK-B on 31 December. They now own 0 BRK-B shares.

Buffett Warren E sold 100 shares of BRK-B on 30 November. They now own 136,508 BRK-B shares.

Munger Charles T sold 18 shares of BRK-B on 3 November. They now own 4,845 BRK-B shares.

Buffett Warren E sold 100 shares of BRK-B on 19 October. They now own 136,608 BRK-B shares.

Buffett Warren E sold 39,887 shares of BRK-B on 11 September. They now own 136,708 BRK-B shares.