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Insider Trading: Genzyme Corp

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Genzyme Corp in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Genzyme Corp since year 2005. Table 2 shows the detailed insider transactions of Genzyme Corp since 2005. The reporting company's ticker symbol is GENZ. The reporting company's CIK number is 732485.

The total value of stock buying since 2005 is $748,783. The total value of stock sales is $98,411,368. The total value of stock exercises is $41,346,421.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Genzyme Corp (GENZ) 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 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • $45,456k

    $4,545k

    $454k

    $45k

  • Buy
  • Sale
  • Option Exercise

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

  • 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

  • 08

  • $80.17

    $60.13

    $40.09

    $20.04



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Genzyme Corp (GENZ).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-08 0 0 147,793 11,826,870 147,793 3,745,912
2008-07 0 0 34,655 2,685,863 22,645 1,220,335
2008-06 0 0 36,635 2,637,720 36,635 1,078,534
2008-05 0 0 51,000 3,533,129 51,000 1,362,390
2008-03 0 0 19,900 1,439,167 19,900 905,499
2008-01 0 0 206,586 16,519,379 206,586 8,086,843
2007-12 0 0 46,474 3,478,157 25,140 811,670
2007-11 0 0 62,086 4,560,291 62,086 2,242,269
2007-10 0 0 609,702 45,456,523 609,702 20,152,505
2007-05 0 0 0 0 2,277 99,960
2007-03 9,605 579,373 0 0 0 0
2006-08 0 0 11,145 738,133 14,220 462,434
2006-07 0 0 49,000 3,197,310 16,000 329,440
2006-05 3,000 169,410 0 0 6,831 299,880
2006-03 0 0 12,500 864,000 12,500 548,750
2005-12 0 0 9,332 676,662 0 0
2005-11 0 0 231 17,119 0 0
2005-07 0 0 1,118 80,177 0 0
2005-06 0 0 5,000 310,000 0 0
2005-05 0 0 6,226 390,868 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Genzyme Corp (GENZ)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-08-15 Meeker David P (President LSD Therapeutics) Sale 17,790 83.19 1,479,950
2008-08-15 Meeker David P (President LSD Therapeutics) Option Exercise 17,790 20.59 366,296
2008-08-14 Bamforth Mark R (Sr.VP, Corp. Operations & Phar) Sale 19,232 81.71 1,571,446
2008-08-14 Bamforth Mark R (Sr.VP, Corp. Operations & Phar) Option Exercise 19,232 42.70 821,206
2008-08-14 Smith Alan E (Senior Vice President) Sale 15,000 82.51 1,237,650
2008-08-14 Smith Alan E (Senior Vice President) Option Exercise 15,000 32.52 487,800
2008-08-12 Wyzga Michael S (Executive VP and CFO) Sale 29,390 79.00 2,321,810
2008-08-12 Wyzga Michael S (Executive VP and CFO) Option Exercise 29,390 35.51 1,043,736
2008-08-07 Desrosier Thomas (Sr VP General Counsel) Sale 21,450 78.99 1,694,334
2008-08-07 Desrosier Thomas (Sr VP General Counsel) Option Exercise 21,450 .00 0
2008-08-06 Bamforth Mark R (Sr.VP, Corp. Operations & Phar) Sale 6,445 79.00 509,155
2008-08-06 Bamforth Mark R (Sr.VP, Corp. Operations & Phar) Option Exercise 6,445 32.52 209,591
2008-08-05 Smith Alan E (Senior Vice President) Sale 27,761 78.00 2,165,358
2008-08-05 Smith Alan E (Senior Vice President) Option Exercise 27,761 29.44 817,283
2008-07-15 Bamforth Mark R (Sr.VP, Corp. Operations & Phar) Option Exercise 6,445 79.00 509,155
2008-07-15 Smith Alan E (Senior Vice President) Sale 18,455 79.70 1,470,863
2008-07-08 Collier Earl M Jr (Executive Vice President) Sale 16,200 75.00 1,215,000
2008-07-08 Collier Earl M Jr (Executive Vice President) Option Exercise 16,200 43.90 711,180
2008-06-25 Moscicki Richard A (Senior Vice President) Sale 36,635 72.00 2,637,720
2008-06-25 Moscicki Richard A (Senior Vice President) Option Exercise 36,635 29.44 1,078,534
2008-05-21 Berthiaume Douglas A (Director) Sale 24,000 67.71 1,625,039
2008-05-21 Berthiaume Douglas A (Director) Option Exercise 24,000 13.78 330,720
2008-05-02 Cooney Charles L (Director) Sale 27,000 70.67 1,908,090
2008-05-02 Cooney Charles L (Director) Option Exercise 27,000 38.21 1,031,670
2008-03-03 Mcgillicudy Cornelius Iii (Director) Sale 19,900 72.32 1,439,167
2008-03-03 Mcgillicudy Cornelius Iii (Director) Option Exercise 19,900 45.50 905,499
2008-01-17 Moscicki Richard A (Senior Vice President) Sale 45,793 82.00 3,755,026
2008-01-17 Moscicki Richard A (Senior Vice President) Option Exercise 45,793 29.44 1,348,145
2008-01-16 Smith Sandford D (Executive Vice President) Sale 20,181 79.70 1,608,425
2008-01-16 Smith Sandford D (Executive Vice President) Option Exercise 20,181 49.86 1,006,123
2008-01-16 Collier Earl M Jr (Executive Vice President) Sale 90,000 80.00 7,200,000
2008-01-16 Collier Earl M Jr (Executive Vice President) Option Exercise 90,000 46.24 4,161,600
2008-01-11 Smith Sandford D (Executive Vice President) Sale 4,719 79.70 376,104
2008-01-11 Smith Sandford D (Executive Vice President) Option Exercise 4,719 46.24 218,206
2008-01-09 Smith Sandford D (Executive Vice President) Sale 100 79.70 7,970
2008-01-09 Smith Sandford D (Executive Vice President) Option Exercise 100 46.24 4,624
2008-01-08 Moscicki Richard A (Senior Vice President) Sale 45,793 78.00 3,571,854
2008-01-08 Moscicki Richard A (Senior Vice President) Option Exercise 45,793 29.44 1,348,145
2007-12-31 Moscicki Richard A (Senior Vice President) Sale 21,334 74.68 1,593,223
2007-12-17 Wyzga Michael S (Executive VP and CFO) Sale 5,140 74.89 384,934
2007-12-17 Wyzga Michael S (Executive VP and CFO) Option Exercise 5,140 43.36 222,870
2007-12-17 Smith Alan E (Senior Vice President) Sale 20,000 75.00 1,500,000
2007-12-17 Smith Alan E (Senior Vice President) Option Exercise 20,000 29.44 588,800
2007-11-29 Dzau Victor J (Director) Sale 5,000 75.00 375,000
2007-11-29 Dzau Victor J (Director) Option Exercise 5,000 62.98 314,900
2007-11-21 Dzau Victor J (Director) Sale 10,000 72.00 720,000
2007-11-21 Dzau Victor J (Director) Option Exercise 10,000 62.98 629,800
2007-11-15 Carpenter Robert J (Director) Sale 18,543 73.05 1,354,566
2007-11-15 Carpenter Robert J (Director) Option Exercise 18,543 18.61 345,085
2007-11-13 Dzau Victor J (Director) Sale 10,000 72.00 720,000
2007-11-13 Dzau Victor J (Director) Option Exercise 10,000 60.74 607,400
2007-11-02 Carpenter Robert J (Director) Sale 1,219 75.00 91,425
2007-11-02 Carpenter Robert J (Director) Option Exercise 1,219 18.61 22,685
2007-11-01 Carpenter Robert J (Director) Sale 17,324 75.00 1,299,300
2007-11-01 Carpenter Robert J (Director) Option Exercise 17,324 18.61 322,399
2007-10-30 Gemayel Georges (Executive Vice President) Sale 37,500 76.00 2,850,000
2007-10-30 Gemayel Georges (Executive Vice President) Option Exercise 37,500 46.39 1,739,625
2007-10-30 Termeer Henri A (Chmn, President and CEO) Sale 50,723 73.56 3,731,183
2007-10-30 Termeer Henri A (Chmn, President and CEO) Option Exercise 50,723 29.44 1,493,285
2007-10-29 Termeer Henri A (Chmn, President and CEO) Sale 158,026 74.20 11,725,002
2007-10-29 Termeer Henri A (Chmn, President and CEO) Option Exercise 158,026 29.44 4,652,285
2007-10-26 Termeer Henri A (Chmn, President and CEO) Sale 257,053 75.07 19,296,968
2007-10-26 Termeer Henri A (Chmn, President and CEO) Option Exercise 257,053 29.44 7,567,640
2007-10-25 Mcgillicudy Cornelius Iii (Director) Sale 24,000 75.38 1,809,120
2007-10-25 Mcgillicudy Cornelius Iii (Director) Option Exercise 24,000 41.44 994,560
2007-10-15 Smith Sandford D (Executive Vice President) Sale 25,000 74.77 1,869,250
2007-10-15 Smith Sandford D (Executive Vice President) Option Exercise 25,000 46.24 1,156,000
2007-10-15 Collier Earl M Jr (Executive Vice President) Sale 32,400 75.00 2,430,000
2007-10-15 Collier Earl M Jr (Executive Vice President) Option Exercise 32,400 43.90 1,422,360
2007-10-10 Smith Sandford D (Executive Vice President) Sale 25,000 69.80 1,745,000
2007-10-10 Smith Sandford D (Executive Vice President) Option Exercise 25,000 45.07 1,126,750
2007-05-31 Gemayel Georges (Executive Vice President) Option Exercise 2,277 43.90 99,960
2007-03-12 Moscicki Richard A (Senior Vice President) Purchase 9,605 60.32 579,373
2006-08-31 Smith Sandford D (Executive Vice President) Sale 11,145 66.23 738,133
2006-08-31 Smith Sandford D (Executive Vice President) Option Exercise 14,220 32.52 462,434
2006-07-27 Cooney Charles L (Director) Sale 16,000 66.78 1,068,480
2006-07-27 Cooney Charles L (Director) Option Exercise 16,000 20.59 329,440
2006-07-21 Collier Earl M Jr (Executive Vice President) Sale 22,000 64.51 1,419,220
2006-05-30 Gemayel Georges (Executive Vice President) Option Exercise 4,554 43.90 199,920
2006-05-11 Gemayel Georges (Executive Vice President) Purchase 3,000 56.47 169,410
2006-03-01 Smith Sandford D (Senior Vice President) Sale 12,500 69.12 864,000
2006-03-01 Smith Sandford D (Senior Vice President) Option Exercise 12,500 43.90 548,750
2005-12-16 Moscicki Richard A (Senior Vice Presiden) Sale 4,666 73.01 340,664
2005-12-06 Moscicki Richard A (Senior Vice Presiden) Sale 4,666 72.01 335,998
2005-11-29 Wirth Peter (Executive Vice Presi) Sale 231 74.11 17,119
2005-07-29 Smith Sandford D (Senior Vice Presiden) Sale 1,118 71.72 80,177
2005-07-15 Carpenter Robert J (Director) Sale 0 .00 0
2005-06-13 Carpenter Robert J (Director) Sale 3,940 62.00 244,280
2005-06-07 Carpenter Robert J (Director) Sale 1,060 62.00 65,720
2005-05-17 Blair Henry E (Director) Sale 6,226 62.78 390,868

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 Genzyme Corp (symbol GENZ, CIK number 732485) see the Securities and Exchange Commission (SEC) website.

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