Insider Trading activities of Mks Instruments Inc insiders. , Part 7

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Mks Instruments Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Mks Instruments Inc since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Mks Instruments Inc since 2005. The reporting company's ticker symbol is MKSI. The reporting company's CIK number is 1049502.
The total value of stock buying since 2005 is $211,856.
The total value of stock sales since 2005 is $426,374,718.
The total value of stock option exercises since 2005 is $30,595,429.



Table 2. Detailed insider stock purchases, sales, and option exercises of Mks Instruments Inc insiders (MKSI) , Part 7
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2006-04-26 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 24.04 15,866
2006-04-26 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-04-26 Bertucci John R (Executive Chairman) Sale 100,000 24.03 2,403,000
2006-04-25 Astec America Inc (10% Owner) Sale 15,000 24.32 364,740
2006-04-20 Astec America Inc (10% Owner) Sale 15,000 24.35 365,235
2006-04-19 Astec America Inc (10% Owner) Sale 15,000 24.33 364,995
2006-04-19 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 23.43 15,463
2006-04-19 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-04-19 Stewart William D (V.P. & General Manager) Sale 56,172 23.86 1,340,263
2006-04-19 Stewart William D (V.P. & General Manager) Option Ex 56,172 18.04 1,013,230
2006-04-18 Astec America Inc (10% Owner) Sale 15,000 23.28 349,155
2006-04-17 Astec America Inc (10% Owner) Sale 15,000 22.87 343,050
2006-04-13 Astec America Inc (10% Owner) Sale 15,000 23.25 348,825
2006-04-12 Astec America Inc (10% Owner) Sale 15,000 22.95 344,295
2006-04-12 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 22.72 14,995
2006-04-12 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-04-11 Astec America Inc (10% Owner) Sale 15,000 22.72 340,830
2006-04-10 Astec America Inc (10% Owner) Sale 15,000 22.33 334,905
2006-04-10 Bertucci Claire R (10% Owner) Sale 942 22.32 21,025
2006-04-10 Bertucci John R (Executive Chairman) Sale 942 22.32 21,025
2006-04-07 Astec America Inc (10% Owner) Sale 15,000 23.22 348,255
2006-04-06 Astec America Inc (10% Owner) Sale 15,000 23.47 352,065
2006-04-05 Astec America Inc (10% Owner) Sale 15,000 23.24 348,540
2006-04-05 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 23.00 15,180
2006-04-05 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-04-04 Astec America Inc (10% Owner) Sale 15,000 23.19 347,865
2006-04-03 Astec America Inc (10% Owner) Sale 15,000 23.51 352,605
2006-03-31 Astec America Inc (10% Owner) Sale 15,000 23.46 351,945
2006-03-30 Astec America Inc (10% Owner) Sale 15,000 23.16 347,325
2006-03-29 Astec America Inc (10% Owner) Sale 15,000 23.25 348,765
2006-03-28 Astec America Inc (10% Owner) Sale 15,000 23.35 350,205
2006-03-27 Astec America Inc (10% Owner) Sale 15,000 23.43 351,435
2006-03-24 Astec America Inc (10% Owner) Sale 15,000 23.26 348,885
2006-03-23 Astec America Inc (10% Owner) Sale 15,000 22.85 342,720
2006-03-22 Astec America Inc (10% Owner) Sale 15,000 22.48 337,125
2006-03-22 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 22.36 14,757
2006-03-22 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-03-21 Astec America Inc (10% Owner) Sale 15,000 22.70 340,545
2006-03-20 Astec America Inc (10% Owner) Sale 15,000 22.57 338,490
2006-03-17 Astec America Inc (10% Owner) Sale 15,000 22.65 339,795
2006-03-16 Astec America Inc (10% Owner) Sale 15,000 22.85 342,690
2006-03-15 Hadar Ron (V.P. General Manager CIT Prod.) Sale 12,102 23.18 280,463
2006-03-15 Astec America Inc (10% Owner) Sale 15,000 23.04 345,600
2006-03-15 Klimm Robert L (V.P. & General Manager) Sale 1,715 23.06 39,547
2006-03-15 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 23.00 15,180
2006-03-15 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-03-14 Hadar Ron (V.P. General Manager CIT Prod.) Sale 20,000 23.11 461,315
2006-03-14 Astec America Inc (10% Owner) Sale 15,000 22.89 343,425
2006-03-13 Hadar Ron (V.P. General Manager CIT Prod.) Sale 5,000 22.20 111,000
2006-03-13 Astec America Inc (10% Owner) Sale 15,000 22.08 331,230
2006-03-10 Astec America Inc (10% Owner) Sale 23,246 22.00 511,365
2006-03-09 Astec America Inc (10% Owner) Sale 30,332 21.91 664,695
2006-03-08 Astec America Inc (10% Owner) Sale 32,752 22.11 723,982
2006-03-08 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 21.79 14,381
2006-03-08 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-03-07 Astec America Inc (10% Owner) Sale 29,000 22.09 640,639
2006-03-06 Hadar Ron (V.P. General Manager CIT Prod.) Sale 5,000 22.45 112,250
2006-03-06 Astec America Inc (10% Owner) Sale 33,000 22.27 734,811
2006-03-03 Hadar Ron (V.P. General Manager CIT Prod.) Sale 10,000 22.65 226,500
2006-03-03 Astec America Inc (10% Owner) Sale 24,432 22.60 552,138
2006-03-03 Klimm Robert L (V.P. & General Manager) Sale 1,694 22.71 38,470
2006-03-02 Astec America Inc (10% Owner) Sale 63,092 22.56 1,423,355
2006-03-02 Bertucci Claire R (10% Owner) Sale 100,000 22.56 2,256,000
2006-03-02 Robbins Owen W (Director) Sale 8,592 22.65 194,608
2006-03-02 Robbins Owen W (Director) Option Ex 8,592 6.21 53,399
2006-03-02 Bertucci John R (Executive Chairman) Sale 100,000 22.56 2,256,000
2006-03-01 Hadar Ron (V.P. General Manager CIT Prod.) Sale 10,000 22.91 229,150
2006-03-01 Astec America Inc (10% Owner) Sale 66,000 22.74 1,500,576
2006-03-01 Bertucci Claire R (10% Owner) Sale 100,000 22.73 2,273,000
2006-03-01 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 22.30 14,718
2006-03-01 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-03-01 Bertucci John R (Executive Chairman) Sale 100,000 22.73 2,273,000
2006-02-28 Hadar Ron (V.P. General Manager CIT Prod.) Sale 5,000 22.60 113,000
2006-02-28 Astec America Inc (10% Owner) Sale 36,695 22.49 825,380
2006-02-27 Astec America Inc (10% Owner) Sale 45,193 22.61 1,021,858
2006-02-24 Emerson Electric Co (10% Owner) Sale 69,283 22.49 1,558,313
2006-02-23 Emerson Electric Co (10% Owner) Sale 35,000 22.67 793,485
2006-02-22 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 22.86 15,087
2006-02-22 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-02-22 Emerson Electric Co (10% Owner) Sale 64,653 22.78 1,472,666
2006-02-21 Kahl Hans Jochen (Director) Sale 4,687 23.06 108,082
2006-02-21 Smith John Alexander (V.P. & Chief Tech Officer) Sale 13,125 23.00 301,875
2006-02-21 Smith John Alexander (V.P. & Chief Tech Officer) Option Ex 13,125 14.72 193,200
2006-02-21 Chute Richard S (Director) Sale 7,687 22.90 176,032
2006-02-21 Chute Richard S (Director) Option Ex 7,687 4.43 34,053
2006-02-21 Emerson Electric Co (10% Owner) Sale 24,000 22.97 551,280
2006-02-16 Hadar Ron (V.P. General Manager CIT Prod.) Sale 4,815 23.07 111,082
2006-02-16 Colella Gerard G (Chief Business Officer and VP) Sale 25,000 23.13 578,250
2006-02-16 Colella Gerard G (Chief Business Officer and VP) Option Ex 25,000 15.80 395,000
2006-02-16 Klimm Robert L (VP and GM) Sale 7,500 23.07 173,025
2006-02-16 Klimm Robert L (VP and GM) Option Ex 7,500 12.85 96,375
2006-02-15 Weigner Ronald (V.P. & Chief Financial Officer) Sale 660 21.76 14,361
2006-02-15 Weigner Ronald (V.P. & Chief Financial Officer) Option Ex 660 4.43 2,923
2006-01-27 Hadar Ron (V.P. General Manager) Sale 5,000 22.00 110,000
2006-01-27 Smith John Alexander (V.P. & Chief Tech Of) Sale 10,000 22.00 220,000
2006-01-27 Smith John Alexander (V.P. & Chief Tech Of) Option Ex 10,000 14.00 140,000
2006-01-26 Hadar Ron (V.P. General Manager) Sale 5,000 21.50 107,500
2006-01-26 Smith John Alexander (V.P. & Chief Tech Of) Sale 13,000 21.50 279,500
2006-01-26 Smith John Alexander (V.P. & Chief Tech Of) Option Ex 13,000 14.00 182,000
2006-01-19 Hadar Ron (V.P. General Manager) Sale 10,000 20.75 207,500
2006-01-18 Hadar Ron (V.P. General Manager) Sale 5,000 20.00 100,000
2006-01-18 Bertucci Claire R (10% Owner) Sale 471 20.19 9,509
2006-01-18 Klimm Robert L (V.P. & General Manag) Sale 9,500 20.00 190,000
2006-01-18 Klimm Robert L (V.P. & General Manag) Option Ex 9,500 10.86 103,170
2006-01-18 Bertucci John R (Executive Chairman) Sale 471 20.19 9,509
2006-01-03 Bertucci Claire R (10% Owner) Sale 471 26.87 12,655
2006-01-03 Bertucci John R (Executive Chairman) Sale 471 26.87 12,655
2005-12-02 Weigner Ronald (Chief Financial Officer) Sale 840 19.56 16,430
2005-10-24 Bertucci Claire R (10% Owner) Sale 471 18.41 8,671
2005-10-24 Bertucci John R (Executive Chairman) Sale 471 18.41 8,671
2005-07-20 Bertucci Claire R (10% Owner) Sale 471 20.00 9,420
2005-07-20 Bertucci John R (Executive Chairman) Sale 471 20.00 9,420
2005-07-18 Bertucci Claire R (10% Owner) Sale 471 18.39 8,661
2005-07-18 Bertucci John R (Executive Chairman) Sale 471 18.39 8,661
2005-06-03 Weigner Ronald (Chief Financial Officer) Sale 881 17.05 15,021

Insider trading activities including stock purchases, stock sales, and option exercises of MKSI listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Mks Instruments Inc (symbol MKSI, CIK number 1049502) see the Securities and Exchange Commission (SEC) website.