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Insider Trading: Intuitive Surgical Inc

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Intuitive Surgical Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Intuitive Surgical Inc since year 2005. Table 2 shows the detailed insider transactions of Intuitive Surgical Inc since 2005. The reporting company's ticker symbol is ISRG. The reporting company's CIK number is 1035267.

The total value of stock buying since 2005 is $0. The total value of stock sales is $213,111,632. The total value of stock exercises is $17,643,668.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Intuitive Surgical Inc (ISRG) 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.

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • $8,731k

    $873k

    $87k

    $8k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Intuitive Surgical Inc (ISRG) in the past 24 months. See table 2 for insider transaction details.

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • $334.93

    $251.20

    $167.46

    $83.73



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Intuitive Surgical Inc (ISRG).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-11 0 0 25,000 4,645,500 0 0
2008-10 0 0 10,100 1,739,422 0 0
2008-08 0 0 14,437 4,348,415 10,437 497,854
2008-07 0 0 19,000 5,980,515 19,000 999,430
2008-05 0 0 25,502 7,370,467 15,001 972,809
2008-04 0 0 10,242 2,918,565 10,000 117,400
2008-03 0 0 4,979 1,394,898 4,979 234,189
2008-02 0 0 28,562 8,731,601 28,562 1,255,926
2007-12 0 0 9,042 3,011,083 11,792 603,363
2007-11 0 0 8,042 2,254,745 10,542 365,513
2007-10 0 0 28,940 8,637,924 28,940 1,465,091
2007-09 0 0 24,043 5,315,133 19,243 671,352
2007-08 0 0 22,542 4,754,929 22,542 1,124,185
2007-07 0 0 36,327 7,437,432 36,327 1,374,092
2007-06 0 0 30,500 4,269,615 15,500 378,225
2007-05 0 0 38,325 5,122,156 24,666 822,402
2007-04 0 0 31,949 4,220,750 31,949 2,307,903
2007-02 0 0 37,313 4,237,432 36,937 741,058
2006-12 0 0 12,998 1,345,863 12,998 161,153
2006-11 0 0 458,673 43,989,125 29,062 507,277
2006-09 0 0 51,000 5,004,882 1,000 47,090
2006-08 0 0 46,224 4,458,589 55,270 854,808
2006-06 0 0 7,500 862,500 7,500 353,175
2006-05 0 0 122,060 15,502,301 54,375 1,041,877
2006-03 0 0 36,500 3,418,694 5,500 83,160
2006-02 0 0 34,875 3,528,514 34,875 650,599
2006-01 0 0 0 0 405 13,737
2005-11 0 0 78,000 7,758,660 0 0
2005-08 0 0 550,309 40,642,722 0 0
2005-05 0 0 5,000 209,200 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Intuitive Surgical Inc (ISRG)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-11-04 Duggan Robert W (Director) Sale 5,000 196.00 980,000
2008-11-03 Duggan Robert W (Director) Sale 20,000 183.28 3,665,500
2008-10-30 Duggan Robert W (Director) Sale 10,100 172.22 1,739,422
2008-08-29 Duggan Robert W (Director) Sale 4,000 295.50 1,182,000
2008-08-21 Mcnamara Jerome J (EVP WW Sales & Mktg) Sale 3,437 305.00 1,048,285
2008-08-21 Mcnamara Jerome J (EVP WW Sales & Mktg) Option Exercise 3,437 77.28 265,594
2008-08-11 Guthart Gary S (President & COO) Sale 7,000 302.59 2,118,130
2008-08-11 Guthart Gary S (President & COO) Option Exercise 7,000 33.18 232,260
2008-07-28 Mohr Marshall (SVP & CFO) Sale 3,000 314.40 943,185
2008-07-28 Mohr Marshall (SVP & CFO) Option Exercise 3,000 98.37 295,110
2008-07-28 Smith Lonnie M (CEO) Sale 10,000 314.33 3,143,300
2008-07-28 Smith Lonnie M (CEO) Option Exercise 10,000 11.74 117,400
2008-07-28 Halvorson Eric H (Director) Sale 4,000 313.74 1,254,980
2008-07-28 Halvorson Eric H (Director) Option Exercise 4,000 123.18 492,740
2008-07-25 Kramer Richard J (Director) Sale 2,000 319.52 639,050
2008-07-25 Kramer Richard J (Director) Option Exercise 2,000 47.09 94,180
2008-05-23 Duggan Robert W (Director) Sale 10,501 283.50 2,977,033
2008-05-16 Mcnamara Jerome J (SVP Worldwide Sales) Sale 5,001 295.00 1,475,320
2008-05-16 Mcnamara Jerome J (SVP Worldwide Sales) Option Exercise 5,001 89.07 445,439
2008-05-16 Mohr Marshall (SVP & CFO) Sale 3,000 300.00 900,000
2008-05-16 Mohr Marshall (SVP & CFO) Option Exercise 3,000 98.37 295,110
2008-05-12 Guthart Gary S (President & COO) Sale 7,000 288.30 2,018,114
2008-05-12 Guthart Gary S (President & COO) Option Exercise 7,000 33.18 232,260
2008-04-23 Duggan Robert W (Director) Sale 242 282.50 68,365
2008-04-22 Smith Lonnie M (CEO) Sale 10,000 285.02 2,850,200
2008-04-22 Smith Lonnie M (CEO) Option Exercise 10,000 11.74 117,400
2008-03-12 Duggan Robert W (Director) Sale 4,480 279.50 1,252,160
2008-03-12 Duggan Robert W (Director) Option Exercise 4,480 39.38 176,405
2008-03-05 Runkel John F Jr (Former VP(SR)-General Counsel) Sale 499 286.05 142,738
2008-03-05 Runkel John F Jr (Former VP(SR)-General Counsel) Option Exercise 499 115.80 57,784
2008-02-14 Mcnamara Jerome J (EVP-Sales & Marketing) Sale 9,062 311.93 2,826,745
2008-02-14 Mcnamara Jerome J (EVP-Sales & Marketing) Option Exercise 9,062 71.43 647,276
2008-02-12 Smith Lonnie M (CEO) Sale 10,000 302.65 3,026,466
2008-02-12 Smith Lonnie M (CEO) Option Exercise 10,000 11.74 117,400
2008-02-11 Guthart Gary S (President & COO) Sale 7,000 299.53 2,096,709
2008-02-11 Guthart Gary S (President & COO) Option Exercise 7,000 29.80 208,600
2008-02-05 Halvorson Eric H (Director) Sale 2,500 312.67 781,681
2008-02-05 Halvorson Eric H (Director) Option Exercise 2,500 113.06 282,650
2007-12-21 Guthart Gary S (President & COO) Option Exercise 3,750 6.00 22,500
2007-12-14 Smith Lonnie M (CEO) Sale 1,000 332.00 332,000
2007-12-11 Grossman D Keith (Director) Sale 2,500 350.17 875,422
2007-12-11 Grossman D Keith (Director) Option Exercise 2,500 113.06 282,650
2007-12-06 Runkel John F Jr (VP(SR)-General Counsel) Sale 542 332.90 180,431
2007-12-06 Runkel John F Jr (VP(SR)-General Counsel) Option Exercise 542 115.80 62,763
2007-12-04 Levy Alan J (Director) Sale 5,000 324.65 1,623,230
2007-12-04 Levy Alan J (Director) Option Exercise 5,000 47.09 235,450
2007-11-12 Guthart Gary S (President & COO) Sale 7,000 276.06 1,932,420
2007-11-12 Guthart Gary S (President & COO) Option Exercise 7,000 29.80 208,600
2007-11-07 Smith Lonnie M (CEO) Option Exercise 2,500 14.50 36,250
2007-11-05 Runkel John F Jr (VP(SR)-General Counsel) Sale 1,042 309.33 322,325
2007-11-05 Runkel John F Jr (VP(SR)-General Counsel) Option Exercise 1,042 115.80 120,663
2007-10-26 Kramer Richard J (Director) Sale 1,000 335.00 335,000
2007-10-26 Kramer Richard J (Director) Option Exercise 1,000 47.09 47,090
2007-10-23 Mcnamara Jerome J (EVP-Sales & Marketing) Sale 14,398 298.00 4,290,604
2007-10-23 Mcnamara Jerome J (EVP-Sales & Marketing) Option Exercise 14,398 71.43 1,028,413
2007-10-23 Kramer Richard J (Director) Sale 1,000 295.00 295,000
2007-10-23 Kramer Richard J (Director) Option Exercise 1,000 47.09 47,090
2007-10-23 Smith Lonnie M (CEO) Sale 10,000 296.50 2,965,000
2007-10-23 Smith Lonnie M (CEO) Option Exercise 10,000 15.12 151,200
2007-10-23 Runkel John F Jr (VP(SR)-General Counsel) Sale 1,042 295.17 307,570
2007-10-23 Runkel John F Jr (VP(SR)-General Counsel) Option Exercise 1,042 115.80 120,663
2007-10-23 Halvorson Eric H (Director) Sale 1,500 296.50 444,750
2007-10-23 Halvorson Eric H (Director) Option Exercise 1,500 47.09 70,635
2007-09-12 Duggan Robert W (Director) Sale 6,000 224.23 1,345,387
2007-09-12 Duggan Robert W (Director) Option Exercise 5,000 36.09 180,474
2007-09-11 Duggan Robert W (Director) Sale 17,002 219.81 3,737,187
2007-09-11 Duggan Robert W (Director) Option Exercise 13,202 28.05 370,331
2007-09-04 Runkel John F Jr (VP(SR)-General Counsel) Sale 1,041 223.40 232,559
2007-09-04 Runkel John F Jr (VP(SR)-General Counsel) Option Exercise 1,041 115.80 120,547
2007-08-24 Mohr Marshall (SVP & CFO) Sale 8,000 210.00 1,680,000
2007-08-24 Mohr Marshall (SVP & CFO) Option Exercise 8,000 98.37 786,960
2007-08-03 Runkel John F Jr (VP(SR)-General Counsel) Sale 1,042 211.32 220,195
2007-08-03 Runkel John F Jr (VP(SR)-General Counsel) Option Exercise 1,042 115.80 120,663
2007-08-03 Duggan Robert W (Director) Sale 3,500 212.60 744,100
2007-08-03 Duggan Robert W (Director) Option Exercise 3,500 16.51 57,785
2007-08-02 Duggan Robert W (Director) Sale 3,993 210.01 838,580
2007-08-02 Duggan Robert W (Director) Option Exercise 3,993 16.12 64,347
2007-08-01 Duggan Robert W (Director) Sale 6,007 211.76 1,272,054
2007-08-01 Duggan Robert W (Director) Option Exercise 6,007 15.72 94,430
2007-07-31 Grossman D Keith (Director) Sale 5,000 213.19 1,066,052
2007-07-31 Grossman D Keith (Director) Option Exercise 5,000 47.09 235,449
2007-07-26 Halvorson Eric H (Director) Sale 1,500 202.98 304,470
2007-07-26 Halvorson Eric H (Director) Option Exercise 1,500 47.09 70,635
2007-07-24 Mcnamara Jerome J (EVP - WW Sales & Marketing) Sale 11,000 202.00 2,222,000
2007-07-24 Mcnamara Jerome J (EVP - WW Sales & Marketing) Option Exercise 11,000 38.71 425,810
2007-07-24 Kramer Richard J (Director) Sale 3,001 202.00 606,202
2007-07-24 Kramer Richard J (Director) Option Exercise 3,001 26.54 79,661
2007-07-24 Smith Lonnie M (Chief Executive Officer) Sale 10,000 202.00 2,020,000
2007-07-24 Smith Lonnie M (Chief Executive Officer) Option Exercise 10,000 14.50 145,000
2007-07-24 Runkel John F Jr (VP(SR)-General Counsel) Sale 2,084 202.00 420,968
2007-07-24 Runkel John F Jr (VP(SR)-General Counsel) Option Exercise 2,084 115.80 241,327
2007-06-15 Levy Alan J (Director) Sale 7,500 142.12 1,065,921
2007-06-15 Levy Alan J (Director) Option Exercise 7,500 16.51 123,825
2007-06-13 Duggan Robert W (Director) Sale 15,000 138.83 2,082,499
2007-06-04 Grossman D Keith (Director) Sale 8,000 140.15 1,121,195
2007-06-04 Grossman D Keith (Director) Option Exercise 8,000 31.80 254,400
2007-05-10 Guthart Gary S (Sr. Vice President) Sale 15,000 133.74 2,004,628
2007-05-10 Guthart Gary S (Sr. Vice President) Option Exercise 10,000 33.18 331,800
2007-05-07 Runkel John F Jr (SR VICE PRESIDENT GEN. COUNSEL) Sale 1,666 134.04 223,310
2007-05-07 Runkel John F Jr (SR VICE PRESIDENT GEN. COUNSEL) Option Exercise 1,666 115.80 192,922
2007-05-04 Halvorson Eric H (Director) Sale 2,000 133.40 266,800
2007-05-04 Halvorson Eric H (Director) Option Exercise 2,000 47.09 94,180
2007-05-03 Guthart Gary S (Sr. Vice President) Sale 10,000 134.29 1,340,117
2007-05-03 Guthart Gary S (Sr. Vice President) Option Exercise 10,000 18.50 185,000
2007-04-30 Levy Alan J (Director) Sale 7,500 130.73 980,439
2007-04-30 Levy Alan J (Director) Option Exercise 7,500 15.82 118,674
2007-04-24 Mcnamara Jerome J (Sr. Vice President) Sale 9,449 132.06 1,247,861
2007-04-24 Mcnamara Jerome J (Sr. Vice President) Option Exercise 9,449 47.86 452,229
2007-04-24 Runkel John F Jr (SR VICE PRESIDENT GEN. COUNSEL) Sale 15,000 132.83 1,992,450
2007-04-24 Runkel John F Jr (SR VICE PRESIDENT GEN. COUNSEL) Option Exercise 15,000 115.80 1,737,000
2007-02-20 Guthart Gary S (Sr. Vice President) Sale 7,000 115.00 805,000
2007-02-20 Guthart Gary S (Sr. Vice President) Option Exercise 7,000 18.50 129,500
2007-02-12 Guthart Gary S (Sr. Vice President) Sale 18,000 111.64 2,009,527
2007-02-12 Guthart Gary S (Sr. Vice President) Option Exercise 18,000 14.33 257,999
2007-02-06 Mcnamara Jerome J (Sr. Vice President) Sale 5,813 115.86 673,494
2007-02-06 Mcnamara Jerome J (Sr. Vice President) Option Exercise 5,437 21.39 116,279
2007-02-06 Kramer Richard J (Director) Sale 2,000 115.61 231,220
2007-02-06 Kramer Richard J (Director) Option Exercise 2,000 47.09 94,180
2007-02-06 Halvorson Eric H (Director) Sale 4,500 115.15 518,191
2007-02-06 Halvorson Eric H (Director) Option Exercise 4,500 31.80 143,100
2006-12-06 Duggan Robert W (Director) Sale 12,998 103.54 1,345,863
2006-12-06 Duggan Robert W (Director) Option Exercise 12,998 12.40 161,153
2006-11-16 Duggan Robert W (Director) Sale 88,500 94.79 8,395,850
2006-11-15 Duggan Robert W (Director) Sale 100,000 95.21 9,520,769
2006-11-14 Duggan Robert W (Director) Sale 100,000 95.16 9,516,285
2006-11-10 Guthart Gary S (Sr. Vice President) Sale 8,000 96.42 771,381
2006-11-10 Guthart Gary S (Sr. Vice President) Option Exercise 8,000 6.00 48,000
2006-11-09 Duggan Robert W (Director) Sale 40,000 96.89 3,875,500
2006-11-08 Duggan Robert W (Director) Sale 50,000 98.31 4,915,500
2006-11-07 Grossman D Keith (Director) Sale 5,000 99.17 495,842
2006-11-07 Grossman D Keith (Director) Option Exercise 5,000 16.51 82,550
2006-11-07 Halvorson Eric H (Director) Sale 3,000 99.20 297,585
2006-11-07 Halvorson Eric H (Director) Option Exercise 3,000 16.51 49,530
2006-11-07 Duggan Robert W (Director) Sale 20,000 99.03 1,980,550
2006-11-02 Mcnamara Jerome J (Sr. Vice President) Sale 12,163 97.90 1,190,735
2006-11-02 Mcnamara Jerome J (Sr. Vice President) Option Exercise 12,163 26.03 316,643
2006-11-01 Mcnamara Jerome J (Sr. Vice President) Sale 899 98.00 88,102
2006-11-01 Mcnamara Jerome J (Sr. Vice President) Option Exercise 899 11.74 10,554
2006-09-15 Duggan Robert W (Director) Sale 5,000 99.38 496,900
2006-09-14 Kramer Richard J (Director) Sale 1,000 100.04 100,040
2006-09-14 Kramer Richard J (Director) Option Exercise 1,000 47.09 47,090
2006-09-14 Duggan Robert W (Director) Sale 45,000 97.95 4,407,942
2006-08-24 Guthart Gary S (Sr. Vice President) Sale 5,000 91.80 458,975
2006-08-24 Guthart Gary S (Sr. Vice President) Option Exercise 5,000 6.00 30,000
2006-08-15 Smith Lonnie M (President, CEO) Option Exercise 6,000 14.50 87,000
2006-08-10 Guthart Gary S (Sr. Vice President) Sale 11,000 94.99 1,044,912
2006-08-10 Guthart Gary S (Sr. Vice President) Option Exercise 11,000 15.12 166,320
2006-08-04 Miller Eric (Sr. Vice President) Sale 9,724 99.48 967,372
2006-08-04 Miller Eric (Sr. Vice President) Option Exercise 6,770 27.15 183,828
2006-08-02 Guthart Gary S (Sr. Vice President) Option Exercise 6,000 4.50 27,000
2006-08-02 Smith Lonnie M (President, CEO) Sale 15,000 97.66 1,464,874
2006-08-02 Smith Lonnie M (President, CEO) Option Exercise 15,000 18.50 277,500
2006-06-02 Mercer William J (Director) Sale 7,500 115.00 862,500
2006-06-02 Mercer William J (Director) Option Exercise 7,500 47.09 353,175
2006-05-23 Duggan Robert W (Director) Sale 700 115.16 80,608
2006-05-16 Duggan Robert W (Director) Sale 1,385 121.12 167,758
2006-05-15 Miller Eric (Sr. Vice President) Sale 5,000 117.74 588,683
2006-05-15 Miller Eric (Sr. Vice President) Option Exercise 5,000 16.80 84,000
2006-05-11 Miller Eric (Sr. Vice President) Sale 1,875 128.38 240,712
2006-05-11 Miller Eric (Sr. Vice President) Option Exercise 1,875 47.86 89,737
2006-05-10 Guthart Gary S (Sr. Vice President) Sale 5,500 130.08 715,462
2006-05-10 Guthart Gary S (Sr. Vice President) Option Exercise 5,500 15.12 83,160
2006-05-10 Duggan Robert W (Director) Sale 55,600 129.05 7,175,180
2006-05-09 Levy Alan J (Director) Sale 7,500 126.95 952,117
2006-05-09 Levy Alan J (Director) Option Exercise 7,500 15.72 117,900
2006-05-05 Levy Alan J (Director) Sale 10,000 128.17 1,281,656
2006-05-04 Mcnamara Jerome J (Sr. Vice President) Sale 15,000 125.34 1,880,100
2006-05-04 Mcnamara Jerome J (Sr. Vice President) Option Exercise 15,000 23.26 348,840
2006-05-03 Smith Lonnie M (President, CEO) Sale 15,000 124.38 1,865,625
2006-05-03 Smith Lonnie M (President, CEO) Option Exercise 15,000 16.50 247,500
2006-05-03 Halvorson Eric H (Director) Sale 4,500 123.20 554,400
2006-05-03 Halvorson Eric H (Director) Option Exercise 4,500 15.72 70,740
2006-03-15 Duggan Robert W (Director) Sale 16,000 94.40 1,510,453
2006-03-14 Duggan Robert W (Director) Sale 15,000 94.62 1,419,300
2006-03-10 Guthart Gary S (Sr. Vice President) Sale 5,500 88.90 488,941
2006-03-10 Guthart Gary S (Sr. Vice President) Option Exercise 5,500 15.12 83,160
2006-02-16 Guthart Gary S (Sr. Vice President) Sale 5,500 102.18 561,990
2006-02-16 Guthart Gary S (Sr. Vice President) Option Exercise 5,500 11.74 64,570
2006-02-16 Miller Eric (Sr. Vice President) Sale 6,875 101.20 695,731
2006-02-16 Miller Eric (Sr. Vice President) Option Exercise 6,875 27.15 186,679
2006-02-16 Smith Lonnie M (President, CEO) Sale 15,000 100.83 1,512,417
2006-02-16 Smith Lonnie M (President, CEO) Option Exercise 15,000 18.50 277,500
2006-02-15 Gong Benjamin B (Vice President, Finance) Sale 7,500 101.12 758,376
2006-02-15 Gong Benjamin B (Vice President, Finance) Option Exercise 7,500 16.25 121,850
2006-01-31 Gong Benjamin B (Vice President, Finance) Option Exercise 405 33.92 13,737
2005-11-11 Barnes Susan K (CFO) Sale 52,000 99.47 5,172,440
2005-08-26 Duggan Robert W (Director) Sale 67,000 72.31 4,844,971
2005-08-25 Duggan Robert W (Director) Sale 236,000 76.41 18,032,760
2005-08-01 Duggan Robert W (Director) Sale 66,700 67.62 4,512,847
2005-05-11 Guthart Gary S (Sr. Vice President) Sale 5,000 41.84 209,200

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 Intuitive Surgical Inc (symbol ISRG, CIK number 1035267) see the Securities and Exchange Commission (SEC) website.

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