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 ($) |
|---|---|---|---|---|---|
| 2006-10-12 | Klimm Robert L (V.P. & General Manager) | Option Ex | 5,500 | 16.88 | 92,840 |
| 2006-10-12 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 21.10 | 2,110,000 |
| 2006-10-11 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.88 | 2,088,000 |
| 2006-10-11 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 2,770 | 20.52 | 56,840 |
| 2006-10-11 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 2,770 | 4.43 | 12,271 |
| 2006-10-11 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 20.88 | 2,088,000 |
| 2006-10-04 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 2,770 | 19.64 | 54,402 |
| 2006-10-04 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 2,770 | 4.43 | 12,271 |
| 2006-10-03 | Klimm Robert L (V.P. & General Manager) | Sale | 2,188 | 19.73 | 43,169 |
| 2006-10-03 | Klimm Robert L (V.P. & General Manager) | Option Ex | 2,188 | 10.86 | 23,761 |
| 2006-10-02 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 11,080 | 20.25 | 224,314 |
| 2006-10-02 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 11,080 | 4.43 | 49,084 |
| 2006-09-20 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 2,770 | 20.41 | 56,535 |
| 2006-09-20 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 2,770 | 4.43 | 12,271 |
| 2006-09-20 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 20.81 | 520,249 |
| 2006-09-19 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 20.33 | 508,324 |
| 2006-09-18 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 20.71 | 517,699 |
| 2006-09-15 | Emerson Electric Co (10% Owner) | Sale | 125,000 | 20.51 | 2,563,500 |
| 2006-09-14 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.05 | 2,005,000 |
| 2006-09-14 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 3,000 | 20.01 | 60,030 |
| 2006-09-14 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 3,000 | 4.43 | 13,290 |
| 2006-09-14 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 20.05 | 2,005,000 |
| 2006-09-13 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.29 | 2,029,000 |
| 2006-09-13 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 2,770 | 20.34 | 56,341 |
| 2006-09-13 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 2,770 | 4.43 | 12,271 |
| 2006-09-13 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 20.29 | 2,029,000 |
| 2006-09-07 | Emerson Electric Co (10% Owner) | Sale | 28,692 | 20.29 | 582,045 |
| 2006-09-06 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 2,770 | 20.41 | 56,535 |
| 2006-09-06 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 2,770 | 4.43 | 12,271 |
| 2006-09-06 | Emerson Electric Co (10% Owner) | Sale | 30,106 | 20.28 | 610,519 |
| 2006-09-05 | Emerson Electric Co (10% Owner) | Sale | 30,000 | 20.90 | 627,120 |
| 2006-09-01 | Emerson Electric Co (10% Owner) | Sale | 39,373 | 20.91 | 823,210 |
| 2006-08-31 | Emerson Electric Co (10% Owner) | Sale | 20,846 | 20.89 | 435,368 |
| 2006-08-30 | Klimm Robert L (V.P. & General Manager) | Sale | 6,125 | 20.90 | 128,012 |
| 2006-08-30 | Klimm Robert L (V.P. & General Manager) | Option Ex | 6,125 | 16.88 | 103,390 |
| 2006-08-30 | Emerson Electric Co (10% Owner) | Sale | 46,133 | 20.83 | 960,950 |
| 2006-08-29 | Emerson Electric Co (10% Owner) | Sale | 50,000 | 20.38 | 1,019,050 |
| 2006-08-28 | Emerson Electric Co (10% Owner) | Sale | 51,000 | 20.56 | 1,048,458 |
| 2006-08-25 | Emerson Electric Co (10% Owner) | Sale | 29,600 | 20.16 | 596,824 |
| 2006-08-24 | Emerson Electric Co (10% Owner) | Sale | 24,454 | 20.30 | 496,514 |
| 2006-08-23 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 526 | 20.64 | 10,856 |
| 2006-08-23 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 526 | 4.43 | 2,330 |
| 2006-08-22 | Klimm Robert L (V.P. & General Manager) | Sale | 5,500 | 20.90 | 114,949 |
| 2006-08-22 | Klimm Robert L (V.P. & General Manager) | Option Ex | 5,500 | 16.88 | 92,840 |
| 2006-08-21 | Emerson Electric Co (10% Owner) | Sale | 22,994 | 20.58 | 473,193 |
| 2006-08-18 | Emerson Electric Co (10% Owner) | Sale | 23,568 | 20.79 | 490,025 |
| 2006-08-17 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.68 | 2,068,000 |
| 2006-08-17 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 20.68 | 2,068,000 |
| 2006-08-17 | Emerson Electric Co (10% Owner) | Sale | 72,322 | 20.66 | 1,494,100 |
| 2006-08-16 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.68 | 2,068,000 |
| 2006-08-16 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 20.22 | 13,345 |
| 2006-08-16 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-08-16 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 20.68 | 2,068,000 |
| 2006-08-16 | Emerson Electric Co (10% Owner) | Sale | 100,000 | 20.82 | 2,081,600 |
| 2006-08-15 | Klimm Robert L (V.P. & General Manager) | Sale | 2,894 | 19.75 | 57,156 |
| 2006-08-15 | Klimm Robert L (V.P. & General Manager) | Option Ex | 2,894 | 14.72 | 42,599 |
| 2006-08-15 | Emerson Electric Co (10% Owner) | Sale | 71,800 | 19.93 | 1,431,117 |
| 2006-08-14 | Emerson Electric Co (10% Owner) | Sale | 45,820 | 19.13 | 876,674 |
| 2006-08-11 | Emerson Electric Co (10% Owner) | Sale | 24,166 | 19.18 | 463,454 |
| 2006-08-10 | Emerson Electric Co (10% Owner) | Sale | 86,646 | 19.39 | 1,680,238 |
| 2006-08-09 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 19.63 | 12,955 |
| 2006-08-09 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-08-09 | Emerson Electric Co (10% Owner) | Sale | 36,226 | 19.71 | 713,869 |
| 2006-08-08 | Berlinghieri Leo (President and CEO) | Sale | 20,000 | 19.82 | 396,400 |
| 2006-08-08 | Berlinghieri Leo (President and CEO) | Option Ex | 20,000 | 4.43 | 88,600 |
| 2006-08-08 | Emerson Electric Co (10% Owner) | Sale | 45,354 | 19.69 | 893,110 |
| 2006-08-07 | Klimm Robert L (V.P. & General Manager) | Sale | 3,000 | 19.77 | 59,310 |
| 2006-08-07 | Klimm Robert L (V.P. & General Manager) | Option Ex | 3,000 | 14.72 | 44,160 |
| 2006-08-07 | Emerson Electric Co (10% Owner) | Sale | 28,600 | 19.80 | 566,137 |
| 2006-08-04 | Emerson Electric Co (10% Owner) | Sale | 46,008 | 20.14 | 926,555 |
| 2006-08-03 | Emerson Electric Co (10% Owner) | Sale | 44,194 | 20.40 | 901,601 |
| 2006-08-02 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 20.08 | 13,252 |
| 2006-08-02 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-08-02 | Emerson Electric Co (10% Owner) | Sale | 44,940 | 20.33 | 913,450 |
| 2006-08-01 | Emerson Electric Co (10% Owner) | Sale | 50,114 | 20.09 | 1,006,840 |
| 2006-07-31 | Klimm Robert L (V.P. & General Manager) | Sale | 2,187 | 20.86 | 45,620 |
| 2006-07-31 | Klimm Robert L (V.P. & General Manager) | Option Ex | 2,187 | 10.86 | 23,750 |
| 2006-07-31 | Emerson Electric Co (10% Owner) | Sale | 94,675 | 20.76 | 1,965,074 |
| 2006-07-28 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 21.24 | 530,950 |
| 2006-07-27 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 21.81 | 545,300 |
| 2006-07-26 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 18.61 | 12,282 |
| 2006-07-26 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-07-25 | Emerson Electric Co (10% Owner) | Sale | 5,600 | 19.02 | 106,534 |
| 2006-07-20 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 18.82 | 1,882,000 |
| 2006-07-20 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 18.82 | 1,882,000 |
| 2006-07-20 | Emerson Electric Co (10% Owner) | Sale | 3,900 | 19.16 | 74,743 |
| 2006-07-19 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 18.98 | 1,898,000 |
| 2006-07-19 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 18.44 | 12,170 |
| 2006-07-19 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-07-19 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 18.98 | 1,898,000 |
| 2006-07-19 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 19.09 | 477,250 |
| 2006-07-18 | Bertucci Claire R (10% Owner) | Sale | 471 | 18.32 | 8,628 |
| 2006-07-18 | Bertucci John R (Executive Chairman) | Sale | 471 | 18.32 | 8,628 |
| 2006-07-13 | Emerson Electric Co (10% Owner) | Sale | 17,031 | 19.11 | 325,496 |
| 2006-07-12 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 19.30 | 12,738 |
| 2006-07-12 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-07-12 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 19.34 | 483,399 |
| 2006-07-11 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 19.04 | 475,925 |
| 2006-07-10 | Emerson Electric Co (10% Owner) | Sale | 17,400 | 19.22 | 334,445 |
| 2006-07-07 | Emerson Electric Co (10% Owner) | Sale | 25,000 | 19.50 | 487,600 |
| 2006-07-06 | Astec America Inc (10% Owner) | Sale | 25,000 | 19.73 | 493,275 |
| 2006-07-05 | Astec America Inc (10% Owner) | Sale | 25,000 | 19.69 | 492,350 |
| 2006-07-05 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 20.19 | 13,325 |
| 2006-07-05 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-07-03 | Astec America Inc (10% Owner) | Sale | 25,000 | 20.31 | 507,800 |
| 2006-06-30 | Astec America Inc (10% Owner) | Sale | 25,000 | 20.30 | 507,449 |
| 2006-06-29 | Astec America Inc (10% Owner) | Sale | 25,000 | 20.03 | 500,850 |
| 2006-06-28 | Astec America Inc (10% Owner) | Sale | 25,000 | 19.37 | 484,300 |
| 2006-06-28 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 19.70 | 13,002 |
| 2006-06-28 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-06-27 | Astec America Inc (10% Owner) | Sale | 25,000 | 19.68 | 492,049 |
| 2006-06-26 | Astec America Inc (10% Owner) | Sale | 25,000 | 19.65 | 491,324 |
| 2006-06-23 | Astec America Inc (10% Owner) | Sale | 25,000 | 19.38 | 484,425 |
| 2006-06-22 | Astec America Inc (10% Owner) | Sale | 25,000 | 19.19 | 479,650 |
| 2006-06-22 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 19.17 | 1,917,000 |
| 2006-06-21 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 18.95 | 1,895,000 |
| 2006-06-21 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 18.95 | 1,895,000 |
| 2006-06-12 | Astec America Inc (10% Owner) | Sale | 14,435 | 19.78 | 285,495 |
| 2006-06-09 | Astec America Inc (10% Owner) | Sale | 16,251 | 20.43 | 332,089 |
| 2006-06-09 | Klimm Robert L (V.P. & General Manager) | Sale | 2,000 | 20.49 | 40,980 |
| 2006-06-09 | Klimm Robert L (V.P. & General Manager) | Option Ex | 2,000 | 14.72 | 29,440 |
| 2006-06-08 | Astec America Inc (10% Owner) | Sale | 28,530 | 20.32 | 579,701 |
| 2006-06-07 | Astec America Inc (10% Owner) | Sale | 43,828 | 20.79 | 911,052 |
| 2006-06-07 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 21.09 | 13,919 |
| 2006-06-07 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-06-06 | Astec America Inc (10% Owner) | Sale | 29,771 | 21.07 | 627,155 |
| 2006-06-05 | Astec America Inc (10% Owner) | Sale | 20,000 | 21.03 | 420,660 |
| 2006-06-05 | Klimm Robert L (V.P. & General Manager) | Sale | 881 | 21.39 | 18,844 |
| 2006-06-02 | Astec America Inc (10% Owner) | Sale | 43,355 | 21.66 | 939,069 |
| 2006-06-02 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 753 | 21.97 | 16,543 |
| 2006-06-01 | Astec America Inc (10% Owner) | Sale | 66,936 | 22.06 | 1,476,675 |
| 2006-05-31 | Astec America Inc (10% Owner) | Sale | 75,000 | 21.43 | 1,607,550 |
| 2006-05-31 | Klimm Robert L (V.P. & General Manager) | Sale | 4,000 | 21.65 | 86,600 |
| 2006-05-31 | Klimm Robert L (V.P. & General Manager) | Option Ex | 4,000 | 14.72 | 58,880 |
| 2006-05-31 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 1,320 | 20.99 | 27,706 |
| 2006-05-31 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 1,320 | 4.43 | 5,846 |
| 2006-05-30 | Astec America Inc (10% Owner) | Sale | 53,623 | 20.92 | 1,121,954 |
| 2006-05-26 | Astec America Inc (10% Owner) | Sale | 42,998 | 20.67 | 888,639 |
| 2006-05-26 | Klimm Robert L (V.P. & General Manager) | Sale | 2,000 | 20.76 | 41,520 |
| 2006-05-26 | Klimm Robert L (V.P. & General Manager) | Option Ex | 2,000 | 14.72 | 29,440 |
| 2006-05-25 | Astec America Inc (10% Owner) | Sale | 37,562 | 20.16 | 757,212 |
| 2006-05-25 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.18 | 2,018,000 |
| 2006-05-25 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 20.18 | 2,018,000 |
| 2006-05-24 | Astec America Inc (10% Owner) | Sale | 24,479 | 20.20 | 494,353 |
| 2006-05-24 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.35 | 2,035,000 |
| 2006-05-24 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 660 | 20.68 | 13,648 |
| 2006-05-24 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 660 | 4.43 | 2,923 |
| 2006-05-24 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 20.35 | 2,035,000 |
| 2006-05-19 | Astec America Inc (10% Owner) | Sale | 825 | 21.14 | 17,442 |
| 2006-05-18 | Astec America Inc (10% Owner) | Sale | 45,357 | 21.30 | 965,968 |
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.