Insider Trading: Microsoft Corp

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Microsoft Corp in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Microsoft Corp since year 2005. Table 2 shows the detailed insider transactions of Microsoft Corp since 2005. The reporting company's ticker symbol is MSFT. The reporting company's CIK number is 789019.

The total value of stock buying since 2005 is $5,367,211. The total value of stock sales is $13,325,563,102. The total value of stock exercises is $207,058,785.


1 year stock price chart,   1 day stock price chart
MSFT 1 year chart
MSFT 1 day chart

Figure 1. Monthly insider transaction values at Microsoft Corp (MSFT) 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.

  • 09

  • 10

  • 11

  • 12

  • 01 2009

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2010

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • $562,204k

    $56,220k

    $5,622k

    $562k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Microsoft Corp (MSFT) in the past 24 months. See table 2 for insider transaction details.

  • 09

  • 10

  • 11

  • 12

  • 01 2009

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2010

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • $30.84

    $23.13

    $15.42

    $7.71



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Microsoft Corp (MSFT).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2010-08 0 0 20,010,000 493,676,920 0 0
2010-05 0 0 19,019,701 558,090,130 0 0
2010-04 0 0 7,755,555 237,807,160 2,755,555 81,646,893
2010-03 0 0 100,000 3,020,000 100,000 2,514,400
2010-02 0 0 20,000,000 562,204,000 0 0
2009-12 0 0 1,463,667 45,131,277 1,363,667 39,206,099
2009-11 0 0 15,464,215 439,558,753 1,289,422 32,421,226
2009-10 0 0 6,589,778 185,531,940 277,778 6,984,450
2009-09 0 0 167,728 4,056,638 0 0
2009-08 0 0 17,103,000 403,870,235 0 0
2009-07 0 0 3,000,000 72,131,000 0 0
2009-06 0 0 20,000 425,800 0 0
2009-05 0 0 18,200,000 359,448,373 0 0
2009-04 0 0 2,040,000 42,065,100 0 0
2009-02 0 0 10,000,000 188,592,000 0 0
2009-01 0 0 6,000,000 106,990,000 0 0
2008-11 0 0 16,000,000 347,700,000 0 0
2008-10 0 0 2,010,000 45,581,500 0 0
2008-09 0 0 234,000 6,090,084 25,000 539,775
2008-08 0 0 15,000,000 404,983,000 125,000 2,698,875
2008-07 77,000 1,968,736 8,000,000 207,100,000 0 0
2008-05 0 0 31,867,702 947,441,767 0 0
2008-04 0 0 150,000 4,801,200 150,000 3,771,450
2008-01 0 0 55,000 1,968,450 22,222 605,616
2007-12 0 0 385,600 13,297,661 66,666 1,400,119
2007-11 0 0 23,712,838 851,827,825 377,778 10,358,562
2007-10 0 0 2,725,000 99,185,900 100,000 2,998,100
2007-08 0 0 10,373,829 305,168,819 0 0
2007-07 0 0 25,629,571 773,206,160 0 0
2007-05 100,000 3,000,000 27,944,371 857,036,093 266,667 6,434,941
2007-02 0 0 29,654,147 863,106,384 0 0
2006-12 0 0 200,000 5,838,500 44,444 408,084
2006-11 0 0 25,256,092 733,904,488 166,667 4,190,507
2006-08 0 0 17,407,252 422,631,622 0 0
2006-07 0 0 10,613,100 256,678,270 381,400 2,373,070
2006-05 0 0 784 18,596 0 0
2006-03 0 0 257,300 6,976,412 316,000 1,966,152
2006-02 0 0 24,526,986 659,992,685 200,000 4,318,200
2006-01 0 0 241,000 6,514,520 285,000 1,773,555
2005-12 0 0 0 0 88,889 448,711
2005-11 0 0 19,286,940 492,508,530 0 0
2005-08 0 0 19,075,719 511,883,311 0 0
2005-07 0 0 12,000,000 308,794,000 0 0
2005-06 0 0 100,000 2,536,000 0 0
2005-05 0 0 19,500,000 486,191,999 0 0
2005-01 15,000 398,475 0 0 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Microsoft Corp (MSFT)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2010-08-27 Brod Frank H (Chief Accounting Officer) Sale 10,000 23.79 237,920
2010-08-24 Gates William H Iii (Director) Sale 1,000,000 24.14 24,145,000
2010-08-23 Gates William H Iii (Director) Sale 2,000,000 24.39 48,780,000
2010-08-20 Gates William H Iii (Director) Sale 2,000,000 24.28 48,562,000
2010-08-19 Gates William H Iii (Director) Sale 1,000,000 24.48 24,480,000
2010-08-18 Gates William H Iii (Director) Sale 2,000,000 24.76 49,514,000
2010-08-17 Gates William H Iii (Director) Sale 3,000,000 24.83 74,487,000
2010-08-16 Gates William H Iii (Director) Sale 2,000,000 24.51 49,016,000
2010-08-13 Gates William H Iii (Director) Sale 2,000,000 24.49 48,980,000
2010-08-12 Gates William H Iii (Director) Sale 1,000,000 24.51 24,510,000
2010-08-11 Gates William H Iii (Director) Sale 1,000,000 24.75 24,746,000
2010-08-10 Gates William H Iii (Director) Sale 1,000,000 25.07 25,073,000
2010-08-09 Gates William H Iii (Director) Sale 2,000,000 25.57 51,146,000
2010-05-14 Gates William H Iii (Director) Sale 3,000,000 28.84 86,520,000
2010-05-13 Gates William H Iii (Director) Sale 1,000,000 29.55 29,553,000
2010-05-12 Gates William H Iii (Director) Sale 3,000,000 29.37 88,119,000
2010-05-11 Gates William H Iii (Director) Sale 1,000,000 29.13 29,132,000
2010-05-10 Brod Frank H (Chief Accounting Officer) Sale 5,000 29.02 145,100
2010-05-10 Gates William H Iii (Director) Sale 2,000,000 28.97 57,946,000
2010-05-07 Gates William H Iii (Director) Sale 1,000,000 28.42 28,421,000
2010-05-06 Gates William H Iii (Director) Sale 2,000,000 29.25 58,494,000
2010-05-05 Gates William H Iii (Director) Sale 1,000,000 29.89 29,892,000
2010-05-04 Brummel Lisa E (Senior Vice President) Sale 14,701 30.00 441,030
2010-05-04 Gates William H Iii (Director) Sale 1,000,000 30.07 30,071,000
2010-05-03 Gates William H Iii (Director) Sale 2,000,000 30.84 61,676,000
2010-04-30 Gates William H Iii (Director) Sale 1,000,000 30.74 30,738,000
2010-04-29 Gates William H Iii (Director) Sale 2,000,000 30.99 61,976,000
2010-04-28 Gates William H Iii (Director) Sale 2,000,000 30.87 61,740,000
2010-04-22 Smith Bradford L (Senior Vice President) Sale 333,333 31.50 10,499,989
2010-04-22 Smith Bradford L (Senior Vice President) Option Exercise 333,333 29.98 9,993,656
2010-04-22 Bach Robert J (President, Entertainment Div.) Sale 100,000 31.50 3,150,000
2010-04-22 Bach Robert J (President, Entertainment Div.) Option Exercise 100,000 25.14 2,514,400
2010-04-19 Muglia Robert L (Senior Vice President) Sale 2,222,222 30.00 66,677,771
2010-04-19 Muglia Robert L (Senior Vice President) Option Exercise 2,222,222 29.98 66,624,437
2010-04-12 Sinofsky Steven J (President, Windows Division) Sale 100,000 30.25 3,025,400
2010-04-12 Sinofsky Steven J (President, Windows Division) Option Exercise 100,000 25.14 2,514,400
2010-03-25 Sinofsky Steven J (President, Windows Division) Sale 100,000 30.20 3,020,000
2010-03-25 Sinofsky Steven J (President, Windows Division) Option Exercise 100,000 25.14 2,514,400
2010-02-16 Gates William H Iii (Director) Sale 3,000,000 28.25 84,759,000
2010-02-12 Gates William H Iii (Director) Sale 2,000,000 27.81 55,616,000
2010-02-11 Gates William H Iii (Director) Sale 2,000,000 28.09 56,172,000
2010-02-10 Gates William H Iii (Director) Sale 2,000,000 28.02 56,034,000
2010-02-09 Gates William H Iii (Director) Sale 2,000,000 28.09 56,180,000
2010-02-08 Gates William H Iii (Director) Sale 2,000,000 27.88 55,762,000
2010-02-05 Gates William H Iii (Director) Sale 2,000,000 27.96 55,912,000
2010-02-04 Gates William H Iii (Director) Sale 2,000,000 28.06 56,116,000
2010-02-03 Gates William H Iii (Director) Sale 3,000,000 28.55 85,653,000
2009-12-28 Mundie Craig J (Chief ResearchStrategy Officer) Sale 772,601 31.00 23,950,631
2009-12-28 Mundie Craig J (Chief ResearchStrategy Officer) Option Exercise 772,601 29.98 23,163,350
2009-12-28 Bach Robert J (President, Entertainment Div.) Sale 50,000 31.00 1,550,000
2009-12-28 Bach Robert J (President, Entertainment Div.) Option Exercise 50,000 21.59 1,079,550
2009-12-24 Mundie Craig J (Chief ResearchStrategy Officer) Sale 391,066 31.00 12,123,046
2009-12-24 Mundie Craig J (Chief ResearchStrategy Officer) Option Exercise 391,066 29.98 11,724,549
2009-12-21 Bach Robert J (President, Entertainment Div.) Sale 50,000 30.50 1,525,000
2009-12-21 Bach Robert J (President, Entertainment Div.) Option Exercise 50,000 21.59 1,079,550
2009-12-15 Bach Robert J (President, Entertainment Div.) Sale 100,000 29.94 2,994,000
2009-12-15 Bach Robert J (President, Entertainment Div.) Option Exercise 100,000 21.59 2,159,100
2009-12-10 Marquardt David F (Director) Sale 100,000 29.89 2,988,600
2009-11-18 Ozzie Raymond E (Chief Software Architect) Sale 40,000 30.00 1,200,000
2009-11-18 Muglia Robert L (Senior Vice President) Sale 802,522 30.00 24,078,067
2009-11-18 Muglia Robert L (Senior Vice President) Option Exercise 802,522 25.14 20,178,613
2009-11-17 Mundie Craig J (Chief ResearchStrategy Officer) Sale 367,000 30.00 11,010,000
2009-11-17 Mundie Craig J (Chief ResearchStrategy Officer) Option Exercise 367,000 25.14 9,227,848
2009-11-17 Muglia Robert L (Senior Vice President) Sale 119,900 30.01 3,597,719
2009-11-17 Muglia Robert L (Senior Vice President) Option Exercise 119,900 25.14 3,014,765
2009-11-09 Gates William H Iii (Director) Sale 3,000,000 28.72 86,172,000
2009-11-06 Gates William H Iii (Director) Sale 2,000,000 28.47 56,948,000
2009-11-05 Muglia Robert L (Senior Vice President) Sale 14,793 28.66 423,967
2009-11-05 Gates William H Iii (Director) Sale 2,000,000 28.64 57,270,000
2009-11-04 Ozzie Raymond E (Chief Software Architect) Sale 120,000 28.00 3,360,000
2009-11-04 Gates William H Iii (Director) Sale 3,000,000 28.13 84,381,000
2009-11-03 Gates William H Iii (Director) Sale 1,000,000 27.59 27,589,000
2009-11-02 Gates William H Iii (Director) Sale 3,000,000 27.84 83,529,000
2009-10-30 Gates William H Iii (Director) Sale 2,000,000 27.97 55,944,000
2009-10-29 Gates William H Iii (Director) Sale 2,000,000 28.16 56,316,000
2009-10-28 Gates William H Iii (Director) Sale 2,000,000 28.30 56,594,000
2009-10-27 Cash James I (Director) Sale 2,000 28.82 57,640
2009-10-26 Brod Frank H (Chief Accounting Officer) Sale 10,000 28.91 289,100
2009-10-23 Brummel Lisa E (Senior Vice President) Sale 277,778 29.05 8,069,450
2009-10-23 Brummel Lisa E (Senior Vice President) Option Exercise 277,778 25.14 6,984,450
2009-10-23 Bach Robert J (President, Entertainment Div.) Sale 150,000 29.05 4,357,500
2009-10-15 Bach Robert J (President, Entertainment Div.) Sale 50,000 26.50 1,325,000
2009-10-14 Bach Robert J (President, Entertainment Div.) Sale 50,000 26.14 1,307,000
2009-10-08 Bach Robert J (President, Entertainment Div.) Sale 25,000 25.50 637,500
2009-10-01 Bach Robert J (President, Entertainment Div.) Sale 25,000 25.39 634,750
2009-09-08 Mundie Craig J (Chief ResearchStrategy Officer) Sale 70,000 24.48 1,713,950
2009-09-02 Turner Brian Kevin (Chief Operating Officer) Sale 87,728 23.98 2,103,278
2009-09-01 Brod Frank H (Chief Accounting Officer) Sale 10,000 23.94 239,410
2009-08-25 Smith Bradford L (Senior Vice President) Sale 83,000 24.68 2,048,855
2009-08-14 Gates William H Iii (Director) Sale 1,000,000 23.60 23,600,000
2009-08-13 Gates William H Iii (Director) Sale 2,000,000 23.61 47,216,000
2009-08-12 Gates William H Iii (Director) Sale 4,000,000 23.58 94,336,000
2009-08-11 Gates William H Iii (Director) Sale 1,000,000 23.18 23,185,000
2009-08-10 Gates William H Iii (Director) Sale 2,000,000 23.40 46,804,000
2009-08-07 Gates William H Iii (Director) Sale 2,000,000 23.69 47,376,000
2009-08-06 Gates William H Iii (Director) Sale 1,000,000 23.70 23,696,000
2009-08-05 Gates William H Iii (Director) Sale 1,000,000 24.01 24,009,000
2009-08-04 Liddell Christopher P (Chief Financial Officer) Sale 20,000 23.62 472,380
2009-08-04 Gates William H Iii (Director) Sale 1,000,000 23.64 23,643,000
2009-08-03 Gates William H Iii (Director) Sale 2,000,000 23.74 47,484,000
2009-07-31 Gates William H Iii (Director) Sale 1,000,000 23.78 23,781,000
2009-07-30 Gates William H Iii (Director) Sale 2,000,000 24.18 48,350,000
2009-06-01 Liddell Christopher P (Chief Financial Officer) Sale 20,000 21.29 425,800
2009-05-22 Marquardt David F (Director) Sale 22,500 20.00 450,000
2009-05-21 Marquardt David F (Director) Sale 7,500 20.01 150,075
2009-05-20 Marquardt David F (Director) Sale 20,000 20.46 409,300
2009-05-19 Marquardt David F (Director) Sale 50,000 20.40 1,019,999
2009-05-12 Marquardt David F (Director) Sale 100,000 20.00 2,000,000
2009-05-12 Gates William H Iii (Director) Sale 3,000,000 19.79 59,361,000
2009-05-11 Gates William H Iii (Director) Sale 3,000,000 19.44 58,332,000
2009-05-08 Gates William H Iii (Director) Sale 3,000,000 19.43 58,286,999
2009-05-07 Gates William H Iii (Director) Sale 1,000,000 19.55 19,548,000
2009-05-06 Gates William H Iii (Director) Sale 2,000,000 19.85 39,694,000
2009-05-05 Gates William H Iii (Director) Sale 1,000,000 19.89 19,888,000
2009-05-04 Gates William H Iii (Director) Sale 2,000,000 20.16 40,312,000
2009-05-01 Gates William H Iii (Director) Sale 3,000,000 20.00 59,997,000
2009-04-30 Gates William H Iii (Director) Sale 1,000,000 20.78 20,779,000
2009-04-29 Liddell Christopher P (Chief Financial Officer) Sale 20,000 20.68 413,600
2009-04-29 Gates William H Iii (Director) Sale 1,000,000 20.46 20,460,000
2009-04-27 Brod Frank H (Chief Accounting Officer) Sale 20,000 20.62 412,500
2009-02-09 Gates William H Iii (Director) Sale 1,000,000 19.37 19,368,000
2009-02-06 Gates William H Iii (Director) Sale 2,000,000 19.68 39,366,000
2009-02-05 Gates William H Iii (Director) Sale 2,000,000 18.84 37,672,000
2009-02-04 Gates William H Iii (Director) Sale 2,000,000 18.82 37,634,000
2009-02-03 Gates William H Iii (Director) Sale 3,000,000 18.18 54,552,000
2009-01-30 Gates William H Iii (Director) Sale 1,000,000 17.32 17,325,000
2009-01-29 Gates William H Iii (Director) Sale 2,000,000 17.79 35,584,000
2009-01-28 Gates William H Iii (Director) Sale 3,000,000 18.03 54,081,000
2008-11-13 Gates William H Iii (Director) Sale 2,000,000 20.21 40,418,000
2008-11-12 Gates William H Iii (Director) Sale 2,000,000 20.68 41,370,000
2008-11-11 Gates William H Iii (Director) Sale 2,000,000 21.01 42,026,000
2008-11-10 Gates William H Iii (Director) Sale 2,000,000 21.50 43,000,000
2008-11-07 Gates William H Iii (Director) Sale 2,000,000 21.33 42,660,000
2008-11-05 Gates William H Iii (Director) Sale 1,000,000 23.03 23,032,000
2008-11-04 Gates William H Iii (Director) Sale 3,000,000 23.31 69,918,000
2008-11-03 Gates William H Iii (Director) Sale 2,000,000 22.64 45,276,000
2008-10-31 Gates William H Iii (Director) Sale 2,000,000 22.68 45,352,000
2008-10-30 Brod Frank H (Chief Accounting Officer) Sale 10,000 22.95 229,500
2008-09-08 Bach Robert J (President, Entertainment Div.) Option Exercise 25,000 21.59 539,775
2008-09-05 Turner Brian Kevin (Chief Operating Officer) Sale 234,000 26.03 6,090,084
2008-08-27 Bach Robert J (President, Entertainment Div.) Option Exercise 50,000 21.59 1,079,550
2008-08-19 Bach Robert J (President, Entertainment Div.) Option Exercise 50,000 21.59 1,079,550
2008-08-14 Bach Robert J (President, Entertainment Div.) Option Exercise 25,000 21.59 539,775
2008-08-08 Gates William H Iii (Director) Sale 4,000,000 28.03 112,120,000
2008-08-07 Gates William H Iii (Director) Sale 2,000,000 27.41 54,822,000
2008-08-06 Gates William H Iii (Director) Sale 4,000,000 26.91 107,628,000
2008-08-05 Gates William H Iii (Director) Sale 1,000,000 25.94 25,937,000
2008-08-04 Gates William H Iii (Director) Sale 1,000,000 25.30 25,300,000
2008-08-01 Gates William H Iii (Director) Sale 1,000,000 25.36 25,362,000
2008-07-30 Gates William H Iii (Director) Sale 1,000,000 26.18 26,176,000

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 Microsoft Corp (symbol MSFT, CIK number 789019) see the Securities and Exchange Commission (SEC) website.

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