Insider Trading activities of Berkshire Hathaway Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Berkshire Hathaway Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Berkshire Hathaway Inc since year 2005. Table 2 shows the detailed insider transactions of Berkshire Hathaway Inc since 2005. The reporting company's ticker symbol is BRKB. The reporting company's CIK number is 1067983.
The total value of stock buying since 2005 is $4,906,626.
The total value of stock sales since 2005 is $493,102,875.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Berkshire Hathaway Inc (BRKB).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2016-01 1,000 $129,850 0 $0 0 $0
2014-12 0 $0 65 $9,884 0 $0
2012-12 2,500 $225,002 0 $0 0 $0
2011-08 8 $843,328 0 $0 0 $0
2011-06 22 $2,493,348 0 $0 0 $0
2010-05 6 $693,599 0 $0 0 $0
2010-02 0 $0 809,500 $61,891,541 0 $0
2010-01 0 $0 319,040 $62,305,606 0 $0
2009-12 5 $493,899 16,500 $54,496,958 0 $0
2009-11 0 $0 16,800 $57,281,770 0 $0
2009-10 0 $0 16,700 $55,121,031 0 $0
2009-09 0 $0 16,610 $54,628,536 0 $0
2009-08 0 $0 15,730 $52,446,499 0 $0
2009-07 0 $0 17,660 $51,912,394 0 $0
2007-03 0 $0 105 $11,353,998 0 $0
2006-12 0 $0 100 $10,862,687 0 $0
2006-07 0 $0 90 $8,191,000 0 $0
2006-06 0 $0 100 $9,172,500 0 $0
2005-06 0 $0 30 $2,518,600 0 $0
2005-04 10 $27,600 10 $873,991 0 $0
2005-03 0 $0 12 $35,880 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Berkshire Hathaway Inc insiders (BRKB)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2016-01-05 Witmer Meryl B Buy 400 130.75 52,300
2016-01-04 Witmer Meryl B Buy 600 129.25 77,550
2014-12-19 Olson Ronald L (Director) Sale 65 152.07 9,884
2012-12-18 Olson Ronald L (Director) Buy 2,500 90.00 225,002
2011-08-08 Keough Donald R /ny (Director) Buy 8 105,416.00 843,328
2011-06-22 Keough Donald R /ny (Director) Buy 22 113,334.00 2,493,348
2010-05-04 Burke Stephen B (Director) Buy 6 115,599.92 693,599
2010-02-26 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 41,400 79.62 3,296,143
2010-02-25 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 36,384 79.17 2,880,594
2010-02-24 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 40,000 79.64 3,185,560
2010-02-23 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 35,000 79.75 2,791,320
2010-02-22 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 32,000 79.73 2,551,392
2010-02-19 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 66,000 77.84 5,137,572
2010-02-18 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 46,000 76.32 3,510,628
2010-02-17 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 27,500 76.06 2,091,732
2010-02-16 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 20,000 75.95 1,518,980
2010-02-12 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 93,000 77.24 7,183,040
2010-02-11 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 107,000 75.63 8,091,982
2010-02-10 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 21,802 74.48 1,623,703
2010-02-09 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 40,100 74.41 2,983,680
2010-02-08 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 50,000 73.97 3,698,599
2010-02-05 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 50,000 72.76 3,637,950
2010-02-04 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 32,820 72.90 2,392,676
2010-02-03 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 23,000 74.51 1,713,822
2010-02-02 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 35,494 75.64 2,684,588
2010-02-01 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 12,000 76.46 917,580
2010-01-29 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 44,000 76.37 3,360,148
2010-01-28 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 69,000 73.18 5,049,213
2010-01-27 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 46,000 72.13 3,317,888
2010-01-26 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 62,400 68.95 4,302,417
2010-01-25 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 20,000 70.24 1,404,720
2010-01-22 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 20,000 71.63 1,432,600
2010-01-21 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 45,600 72.22 3,293,277
2010-01-20 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 2,200 3,428.01 7,541,630
2010-01-19 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,400 3,306.77 4,629,356
2010-01-15 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 200 3,277.50 655,500
2010-01-14 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,303.08 1,981,845
2010-01-13 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,314.04 1,988,425
2010-01-12 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,060 3,322.29 3,521,628
2010-01-11 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 560 3,331.67 1,865,735
2010-01-08 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 940 3,321.16 3,121,892
2010-01-07 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,160 3,313.42 3,843,568
2010-01-06 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 400 3,315.20 1,326,080
2010-01-05 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,210 3,319.80 4,016,960
2010-01-04 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,000 3,309.13 3,309,126
2009-12-31 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,393 3,289.20 4,581,855
2009-12-30 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,285.66 1,971,397
2009-12-29 Burke Stephen B (Director) Buy 5 98,779.80 493,899
2009-12-29 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 644 3,284.66 2,115,321
2009-12-28 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 520 3,284.70 1,708,042
2009-12-24 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,290.20 2,632,157
2009-12-23 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 510 3,291.03 1,678,424
2009-12-22 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 750 3,300.46 2,475,345
2009-12-21 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 620 3,301.76 2,047,090
2009-12-18 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,110 3,282.27 3,643,316
2009-12-17 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,293.44 1,976,061
2009-12-16 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 380 3,318.35 1,260,971
2009-12-15 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 570 3,303.73 1,883,127
2009-12-14 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,303.66 2,642,926
2009-12-11 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 900 3,280.04 2,952,033
2009-12-10 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 700 3,280.60 2,296,418
2009-12-09 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,302.57 1,651,287
2009-12-08 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 750 3,309.59 2,482,190
2009-12-07 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,200 3,324.75 3,989,700
2009-12-04 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,423 3,318.06 4,721,599
2009-12-03 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 400 3,317.17 1,326,868
2009-12-02 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,350.64 2,010,385
2009-12-01 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 730 3,356.78 2,450,446
2009-11-30 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 695 3,349.44 2,327,863
2009-11-27 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,010 3,374.42 3,408,161
2009-11-25 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,200 3,416.22 4,099,461
2009-11-24 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,210 3,421.52 4,140,036
2009-11-23 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,103 3,460.40 3,816,823
2009-11-20 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 830 3,451.15 2,864,452
2009-11-19 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 900 3,441.04 3,096,937
2009-11-18 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 900 3,455.71 3,110,138
2009-11-17 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,433.93 2,747,144
2009-11-16 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 710 3,435.74 2,439,377
2009-11-13 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 812 3,415.58 2,773,448
2009-11-12 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 700 3,402.56 2,381,792
2009-11-11 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 810 3,409.42 2,761,627
2009-11-10 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,405.40 2,043,241
2009-11-09 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,487.86 1,046,359
2009-11-06 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,424.94 2,739,955
2009-11-05 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,000 3,389.39 3,389,394
2009-11-04 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 900 3,415.16 3,073,642
2009-11-03 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,100 3,313.54 3,644,895
2009-11-02 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 420 3,278.63 1,377,025
2009-10-30 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,307.59 1,653,794
2009-10-29 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 892 3,298.50 2,942,258
2009-10-28 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,279.49 1,967,692
2009-10-27 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,295.45 1,977,271
2009-10-26 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,316.51 1,658,253
2009-10-23 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,341.99 1,002,595
2009-10-22 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,450 3,315.07 4,806,845
2009-10-21 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 680 3,310.06 2,250,838
2009-10-20 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 320 3,307.19 1,058,301
2009-10-19 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,320.00 1,991,997
2009-10-16 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 200 3,337.17 667,434
2009-10-15 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,078 3,346.73 3,607,771
2009-10-14 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,410 3,338.80 4,707,700
2009-10-13 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,060 3,285.21 3,482,320
2009-10-12 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 620 3,288.25 2,038,715
2009-10-09 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,200 3,276.93 3,932,318
2009-10-08 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 720 3,303.08 2,378,216
2009-10-07 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,010 3,280.41 3,313,215
2009-10-06 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,313.90 1,656,949
2009-10-05 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 860 3,277.14 2,818,338
2009-10-02 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,300 3,243.11 4,216,048
2009-10-01 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,307.21 992,163
2009-09-30 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,316.28 1,658,137
2009-09-29 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,190 3,316.03 3,946,073
2009-09-28 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 750 3,293.06 2,469,796
2009-09-25 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,050 3,277.92 3,441,821
2009-09-24 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 240 3,336.33 800,719
2009-09-23 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 770 3,380.41 2,602,918
2009-09-22 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,580 3,347.68 5,289,340
2009-09-21 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,329.78 998,932
2009-09-18 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,388.00 2,710,400
2009-09-17 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,417.56 1,025,268
2009-09-16 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,110 3,369.82 3,740,497
2009-09-15 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 900 3,278.58 2,950,722
2009-09-14 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,257.06 1,628,530
2009-09-11 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 700 3,267.02 2,286,911
2009-09-10 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,254.33 2,603,464
2009-09-09 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,590 3,228.87 5,133,906
2009-09-08 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 670 3,237.52 2,169,136
2009-09-04 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,240 3,200.77 3,968,954
2009-09-03 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 750 3,215.13 2,411,347
2009-09-02 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 570 3,200.02 1,824,012
2009-09-01 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,225.51 967,653
2009-08-31 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 880 3,263.68 2,872,034
2009-08-28 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 840 3,319.95 2,788,756
2009-08-27 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,600 3,268.09 5,228,940
2009-08-26 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,320.43 996,129
2009-08-25 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,300 3,347.04 4,351,148
2009-08-24 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 340 3,350.96 1,139,326
2009-08-21 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,000 3,317.25 3,317,251
2009-08-20 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 590 3,278.58 1,934,361
2009-08-19 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,300.23 1,650,113
2009-08-18 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 880 3,268.35 2,876,151
2009-08-17 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,237.61 1,618,804
2009-08-14 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,334.67 1,000,400
2009-08-13 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 700 3,371.24 2,359,869
2009-08-12 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 500 3,366.43 1,683,217
2009-08-11 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 230 3,266.44 751,282
2009-08-10 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 570 3,399.82 1,937,898
2009-08-07 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,531.26 2,825,004
2009-08-06 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 900 3,510.64 3,159,576
2009-08-05 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,300 3,380.82 4,395,071
2009-08-04 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,281.14 2,624,908
2009-08-03 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 900 3,262.51 2,936,261
2009-07-31 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,176.64 952,993
2009-07-30 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 470 3,150.82 1,480,883
2009-07-29 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 3,124.33 937,299
2009-07-28 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,124.05 1,874,428
2009-07-27 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 670 3,120.12 2,090,483
2009-07-24 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 600 3,091.14 1,854,685
2009-07-23 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 3,030.98 2,424,788
2009-07-22 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,310 2,983.52 3,908,409
2009-07-21 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 850 2,985.80 2,537,929
2009-07-20 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,090 2,970.43 3,237,771
2009-07-17 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,360 2,940.97 3,999,724
2009-07-16 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 960 2,928.08 2,810,961
2009-07-15 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,400 2,921.51 4,090,111
2009-07-14 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,340 2,861.36 3,834,217
2009-07-13 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,510 2,817.00 4,253,674
2009-07-10 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 400 2,755.71 1,102,284
2009-07-09 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 400 2,791.72 1,116,688
2009-07-08 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 1,000 2,786.46 2,786,457
2009-07-07 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 300 2,828.41 848,523
2009-07-06 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 2,853.62 2,282,899
2009-07-02 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 400 2,881.43 1,152,571
2009-07-01 Bill & Melinda Gates Foundation Trust (10% Owner) Sale 800 2,918.27 2,334,617
2007-03-23 Chace Malcolm G (Director) Sale 70 108,133.33 7,569,332
2006-12-19 Chace Malcolm G (Director) Sale 10 113,200.00 1,132,000
2006-12-12 Chace Malcolm G (Director) Sale 90 108,118.75 9,730,687
2006-07-26 Chace Malcolm G (Director) Sale 20 91,100.00 1,822,000
2006-07-25 Chace Malcolm G (Director) Sale 10 91,000.00 910,000
2006-07-24 Chace Malcolm G (Director) Sale 20 91,100.00 1,822,000
2006-07-19 Chace Malcolm G (Director) Sale 10 91,000.00 910,000
2006-07-11 Chace Malcolm G (Director) Sale 10 91,000.00 910,000
2006-07-10 Chace Malcolm G (Director) Sale 20 90,850.00 1,817,000
2006-06-29 Chace Malcolm G (Director) Sale 10 92,000.00 920,000
2006-06-28 Chace Malcolm G (Director) Sale 30 91,950.00 2,758,500
2006-06-27 Chace Malcolm G (Director) Sale 30 91,700.00 2,751,000
2006-06-26 Chace Malcolm G (Director) Sale 20 91,000.00 1,820,000
2006-06-22 Chace Malcolm G (Director) Sale 10 92,300.00 923,000
2005-06-08 Chace Malcolm G (Director) Sale 6 83,100.00 498,600
2005-06-03 Chace Malcolm G (Director) Sale 24 84,166.67 2,020,000
2005-04-25 Chace Malcolm G (Director) Buy 10 2,760.00 27,600
2005-04-05 Chace Malcolm G (Director) Sale 10 87,399.10 873,991
2005-03-07 Guyman Charlotte (Director) Sale 12 2,990.00 35,880

Insider trading activities including stock purchases, stock sales, and option exercises of BRKB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Berkshire Hathaway Inc (symbol BRKB, CIK number 1067983) see the Securities and Exchange Commission (SEC) website.