Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Mks Instruments Inc (MKSI) since 2005 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Mks Instruments Inc. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1049502.
Total stock buying since 2005: $530,242.
Total stock sales since 2005: $806,131,636.
Total stock option exercises since 2005: $30,876,976.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 8,575 | $889,387 | 96,285 | $0 |
| 2024 | 0 | $0 | 66,368 | $8,011,097 | 135,540 | $0 |
| 2023 | 2,500 | $170,862 | 4,048,413 | $349,277,427 | 100,742 | $0 |
| 2022 | 1,250 | $147,524 | 925 | $99,981 | 81,501 | $0 |
| 2021 | 0 | $0 | 7,723 | $1,310,125 | 63,089 | $0 |
| 2020 | 0 | $0 | 54,205 | $5,821,422 | 124,953 | $0 |
| 2019 | 0 | $0 | 42,317 | $4,433,842 | 110,036 | $0 |
| 2018 | 0 | $0 | 79,945 | $8,602,447 | 151,467 | $0 |
| 2017 | 0 | $0 | 110,162 | $8,424,592 | 190,968 | $281,547 |
| 2016 | 3,500 | $125,772 | 85,135 | $3,833,674 | 86,516 | $118,628 |
| 2015 | 0 | $0 | 72,398 | $2,595,942 | 119,679 | $649,336 |
| 2014 | 0 | $0 | 94,141 | $3,002,920 | 90,429 | $563,535 |
| 2013 | 2,719 | $59,619 | 92,851 | $2,625,466 | 282,303 | $941,298 |
| 2012 | 1,284 | $26,465 | 293,109 | $7,472,390 | 185,452 | $611,585 |
| 2011 | 0 | $0 | 703,373 | $21,120,334 | 766,737 | $13,992,083 |
| 2010 | 0 | $0 | 1,803,079 | $38,304,767 | 202,396 | $1,916,896 |
| 2009 | 0 | $0 | 292,857 | $5,345,850 | 87,557 | $251,622 |
| 2008 | 0 | $0 | 2,320,764 | $51,416,373 | 138,508 | $455,667 |
| 2007 | 0 | $0 | 4,329,472 | $105,074,926 | 411,941 | $7,345,630 |
| 2006 | 0 | $0 | 8,407,203 | $178,383,719 | 308,125 | $3,749,149 |
| 2005 | 0 | $0 | 4,547 | $84,955 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2006-05-17 | Astec America Inc (10% Owner) | Sale | 39,720 | 21.66 | 860,414 |
| 2006-05-17 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 21.82 | 14,401 |
| 2006-05-17 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-05-16 | Astec America Inc (10% Owner) | Sale | 57,000 | 22.06 | 1,257,249 |
| 2006-05-15 | Astec America Inc (10% Owner) | Sale | 121,100 | 22.16 | 2,684,060 |
| 2006-05-12 | Astec America Inc (10% Owner) | Sale | 28,562 | 22.96 | 655,697 |
| 2006-05-11 | Astec America Inc (10% Owner) | Sale | 33,403 | 23.23 | 776,085 |
| 2006-05-10 | Astec America Inc (10% Owner) | Sale | 34,468 | 24.01 | 827,680 |
| 2006-05-10 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 24.44 | 16,130 |
| 2006-05-10 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-05-09 | Hadar Ron (V.P. General Manager CIT Prod.) | Sale | 6,209 | 24.85 | 154,104 |
| 2006-05-09 | Astec America Inc (10% Owner) | Sale | 46,300 | 24.63 | 1,140,415 |
| 2006-05-08 | Astec America Inc (10% Owner) | Sale | 19,507 | 24.42 | 476,399 |
| 2006-05-08 | Kahl Hans Jochen (Director) | Sale | 13,876 | 24.31 | 337,325 |
| 2006-05-08 | Kahl Hans Jochen (Director) | Option Ex | 13,876 | 17.98 | 249,559 |
| 2006-05-05 | Astec America Inc (10% Owner) | Sale | 22,424 | 24.40 | 547,168 |
| 2006-05-05 | Klimm Robert L (V.P. & General Manager) | Sale | 2,188 | 24.44 | 53,474 |
| 2006-05-05 | Klimm Robert L (V.P. & General Manager) | Option Ex | 2,188 | 10.86 | 23,761 |
| 2006-05-04 | Astec America Inc (10% Owner) | Sale | 44,379 | 24.57 | 1,090,613 |
| 2006-05-03 | Astec America Inc (10% Owner) | Sale | 40,119 | 23.89 | 958,322 |
| 2006-05-03 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 23.50 | 15,510 |
| 2006-05-03 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-05-02 | Astec America Inc (10% Owner) | Sale | 56,822 | 23.45 | 1,332,191 |
| 2006-05-01 | Astec America Inc (10% Owner) | Sale | 45,336 | 23.49 | 1,064,942 |
| 2006-05-01 | Colella Gerard G (Chief Business Officer and VP) | Sale | 6,476 | 23.75 | 153,805 |
| 2006-05-01 | Colella Gerard G (Chief Business Officer and VP) | Option Ex | 6,476 | 16.40 | 106,206 |
| 2006-04-28 | Astec America Inc (10% Owner) | Sale | 5,000 | 23.45 | 117,274 |
| 2006-04-27 | Astec America Inc (10% Owner) | Sale | 15,000 | 24.28 | 364,200 |
| 2006-04-27 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 24.28 | 2,428,000 |
| 2006-04-27 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 24.28 | 2,428,000 |
| 2006-04-26 | Astec America Inc (10% Owner) | Sale | 15,000 | 24.03 | 360,495 |
| 2006-04-26 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 24.03 | 2,403,000 |
| 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.