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Insider Trading: BERKSHIRE HATHAWAY INC

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of BERKSHIRE HATHAWAY INC in the last 24 months are illustrated in figures 1 and 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 BRK.A. The reporting company's CIK number is 1067983.

The total value of stock buying since 2005 is $27,600. The total value of stock sales is $43,008,656. The total value of stock exercises is $0.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at BERKSHIRE HATHAWAY INC (BRK.A) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $11,353k

    $1,135k

    $113k

    $11k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at BERKSHIRE HATHAWAY INC (BRK.A) in the past 24 months. See table 2 for insider transaction details.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $110,659.38

    $82,994.53

    $55,329.69

    $27,664.84



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for BERKSHIRE HATHAWAY INC (BRK.A).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
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 for BERKSHIRE HATHAWAY INC (BRK.A)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
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) Purchase 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 listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of BERKSHIRE HATHAWAY INC (symbol BRK.A, CIK number 1067983) see the Securities and Exchange Commission (SEC) website.

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