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 ($) |
|---|---|---|---|---|---|
| 2007-12-04 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 687 | 17.80 | 12,228 |
| 2007-11-16 | Bertucci Claire R (Other) | Sale | 25,000 | 17.75 | 443,750 |
| 2007-11-16 | Bertucci John R (Director) | Sale | 25,000 | 17.75 | 443,750 |
| 2007-11-15 | Bertucci Claire R (Other) | Sale | 25,000 | 17.80 | 445,000 |
| 2007-11-15 | Bertucci John R (Director) | Sale | 25,000 | 17.80 | 445,000 |
| 2007-11-08 | Bertucci Claire R (Other) | Sale | 1,700 | 17.56 | 29,851 |
| 2007-11-08 | Bertucci John R (Director) | Sale | 1,700 | 17.56 | 29,851 |
| 2007-11-07 | Amon Cristina (Director) | Option Ex | 556 | .00 | 0 |
| 2007-11-07 | Bertucci Claire R (Other) | Sale | 25,000 | 17.63 | 440,750 |
| 2007-11-07 | Bertucci John R (Director) | Sale | 25,000 | 17.63 | 440,750 |
| 2007-10-22 | Bertucci Claire R (Other) | Sale | 25,000 | 19.47 | 486,750 |
| 2007-10-22 | Bertucci John R (Director) | Sale | 25,000 | 19.47 | 486,750 |
| 2007-10-19 | Bertucci Claire R (Other) | Sale | 26,123 | 19.47 | 508,614 |
| 2007-10-19 | Bertucci John R (Director) | Sale | 26,123 | 19.47 | 508,614 |
| 2007-10-11 | Bertucci Claire R (Other) | Sale | 50,000 | 20.19 | 1,009,500 |
| 2007-10-11 | Bertucci John R (Director) | Sale | 50,000 | 20.19 | 1,009,500 |
| 2007-10-10 | Bertucci Claire R (Other) | Sale | 50,000 | 20.26 | 1,013,000 |
| 2007-10-10 | Bertucci John R (Director) | Sale | 50,000 | 20.26 | 1,013,000 |
| 2007-09-14 | Bertucci Claire R (Other) | Sale | 50,000 | 20.07 | 1,003,500 |
| 2007-09-14 | Bertucci John R (Director) | Sale | 50,000 | 20.07 | 1,003,500 |
| 2007-09-13 | Bertucci Claire R (Other) | Sale | 50,000 | 20.65 | 1,032,499 |
| 2007-09-13 | Bertucci John R (Director) | Sale | 50,000 | 20.65 | 1,032,499 |
| 2007-08-16 | Bertucci Claire R (Other) | Sale | 50,000 | 21.73 | 1,086,500 |
| 2007-08-16 | Bertucci John R (Director) | Sale | 50,000 | 21.73 | 1,086,500 |
| 2007-08-15 | Bertucci Claire R (Other) | Sale | 50,000 | 21.88 | 1,094,000 |
| 2007-08-15 | Bertucci John R (Director) | Sale | 50,000 | 21.88 | 1,094,000 |
| 2007-08-10 | Colella Gerard G (Chief Business Officer and VP) | Sale | 2,188 | 20.50 | 44,854 |
| 2007-08-10 | Colella Gerard G (Chief Business Officer and VP) | Option Ex | 2,188 | 14.72 | 32,207 |
| 2007-08-07 | Amon Cristina (Director) | Option Ex | 555 | .00 | 0 |
| 2007-07-19 | Bertucci Claire R (Other) | Sale | 100,000 | 27.29 | 2,729,000 |
| 2007-07-18 | Bertucci Claire R (Other) | Sale | 100,000 | 27.05 | 2,705,000 |
| 2007-07-18 | Bertucci John R (Director) | Sale | 100,000 | 27.05 | 2,705,000 |
| 2007-06-21 | Bertucci Claire R (Other) | Sale | 100,000 | 27.72 | 2,772,000 |
| 2007-06-21 | Bertucci John R (Director) | Sale | 100,000 | 27.72 | 2,772,000 |
| 2007-06-20 | Bertucci Claire R (Other) | Sale | 100,000 | 27.59 | 2,759,000 |
| 2007-06-20 | Bertucci John R (Director) | Sale | 100,000 | 27.59 | 2,759,000 |
| 2007-06-14 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 60,000 | 27.73 | 1,664,100 |
| 2007-06-14 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 60,000 | 6.67 | 400,200 |
| 2007-06-14 | Valente Louis P (Director) | Sale | 1,810 | 27.86 | 50,417 |
| 2007-06-11 | Stewart William D (V.P. & General Manager) | Sale | 133 | 27.40 | 3,644 |
| 2007-06-11 | Stewart William D (V.P. & General Manager) | Option Ex | 133 | 24.50 | 3,258 |
| 2007-06-08 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 602 | 26.60 | 16,013 |
| 2007-06-06 | Hadar Ron (V.P. General Manager CIT Prod.) | Sale | 4,329 | 26.87 | 116,293 |
| 2007-06-06 | Hadar Ron (V.P. General Manager CIT Prod.) | Option Ex | 2,313 | 15.43 | 35,689 |
| 2007-06-04 | Stewart William D (V.P. & General Manager) | Sale | 7,448 | 27.40 | 204,075 |
| 2007-06-04 | Stewart William D (V.P. & General Manager) | Option Ex | 7,448 | 24.50 | 182,476 |
| 2007-06-01 | Stewart William D (V.P. & General Manager) | Sale | 15,990 | 27.42 | 438,445 |
| 2007-06-01 | Stewart William D (V.P. & General Manager) | Option Ex | 15,990 | 24.50 | 391,755 |
| 2007-05-31 | Stewart William D (V.P. & General Manager) | Sale | 20,000 | 27.21 | 544,200 |
| 2007-05-31 | Stewart William D (V.P. & General Manager) | Option Ex | 20,000 | 24.50 | 490,000 |
| 2007-05-24 | Bertucci Claire R (Other) | Sale | 100,000 | 26.24 | 2,624,000 |
| 2007-05-24 | Bertucci John R (Director) | Sale | 100,000 | 26.24 | 2,624,000 |
| 2007-05-23 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 26.94 | 2,694,000 |
| 2007-05-23 | Bertucci John R (Director) | Sale | 100,000 | 26.94 | 2,694,000 |
| 2007-05-22 | Stewart William D (V.P. & General Manager) | Sale | 17,825 | 27.05 | 482,166 |
| 2007-05-22 | Stewart William D (V.P. & General Manager) | Option Ex | 17,825 | 24.00 | 427,800 |
| 2007-05-21 | Stewart William D (V.P. & General Manager) | Sale | 23,050 | 27.10 | 624,655 |
| 2007-05-21 | Stewart William D (V.P. & General Manager) | Option Ex | 23,050 | 20.11 | 463,650 |
| 2007-05-14 | Kahl Hans Jochen (Director) | Sale | 12,000 | 27.16 | 325,980 |
| 2007-05-14 | Kahl Hans Jochen (Director) | Option Ex | 12,000 | 24.35 | 292,200 |
| 2007-05-14 | Anderson Robert R (Director) | Sale | 11,250 | 27.20 | 306,000 |
| 2007-05-14 | Anderson Robert R (Director) | Option Ex | 11,250 | 20.13 | 226,462 |
| 2007-05-08 | Anderson Robert R (Director) | Sale | 10,000 | 27.45 | 274,500 |
| 2007-05-07 | Stewart William D (V.P. & General Manager) | Sale | 1,972 | 27.60 | 54,427 |
| 2007-05-07 | Stewart William D (V.P. & General Manager) | Option Ex | 1,972 | 24.50 | 48,314 |
| 2007-05-04 | Colella Gerard G (Chief Business Officer and VP) | Sale | 2,187 | 27.23 | 59,541 |
| 2007-05-04 | Colella Gerard G (Chief Business Officer and VP) | Option Ex | 2,187 | 14.72 | 32,192 |
| 2007-05-04 | Stewart William D (V.P. & General Manager) | Sale | 24,557 | 27.60 | 677,773 |
| 2007-05-04 | Stewart William D (V.P. & General Manager) | Option Ex | 24,557 | 24.50 | 601,646 |
| 2007-05-02 | Stewart William D (V.P. & General Manager) | Sale | 55,900 | 27.60 | 1,542,840 |
| 2007-05-02 | Stewart William D (V.P. & General Manager) | Option Ex | 55,900 | 19.90 | 1,112,410 |
| 2007-04-30 | Klimm Robert L (V.P. & General Manager) | Sale | 1,875 | 27.51 | 51,581 |
| 2007-04-30 | Klimm Robert L (V.P. & General Manager) | Option Ex | 1,875 | 14.72 | 27,600 |
| 2007-04-30 | Smith John Alexander (V.P. & Chief Tech Officer) | Sale | 2,187 | 27.51 | 60,164 |
| 2007-04-30 | Smith John Alexander (V.P. & Chief Tech Officer) | Option Ex | 2,187 | 14.72 | 32,192 |
| 2007-04-30 | Chute Richard S (Director) | Sale | 6,905 | 27.27 | 188,333 |
| 2007-04-30 | Chute Richard S (Director) | Option Ex | 6,905 | 11.20 | 77,336 |
| 2007-04-26 | Hadar Ron (V.P. General Manager CIT Prod.) | Sale | 10,000 | 28.00 | 280,000 |
| 2007-04-26 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 27.75 | 2,775,000 |
| 2007-04-26 | Klimm Robert L (V.P. & General Manager) | Sale | 6,250 | 27.94 | 174,625 |
| 2007-04-26 | Klimm Robert L (V.P. & General Manager) | Option Ex | 6,250 | 23.50 | 146,875 |
| 2007-04-26 | Bertucci John R (Director) | Sale | 100,000 | 27.75 | 2,775,000 |
| 2007-04-25 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 27.25 | 2,725,000 |
| 2007-04-25 | Bertucci John R (Director) | Sale | 100,000 | 27.25 | 2,725,000 |
| 2007-04-20 | Hadar Ron (V.P. General Manager CIT Prod.) | Sale | 10,000 | 27.50 | 275,000 |
| 2007-04-20 | Klimm Robert L (V.P. & General Manager) | Sale | 6,250 | 27.41 | 171,312 |
| 2007-04-20 | Klimm Robert L (V.P. & General Manager) | Option Ex | 6,250 | 23.50 | 146,875 |
| 2007-04-16 | Hadar Ron (V.P. General Manager CIT Prod.) | Sale | 10,000 | 27.00 | 270,000 |
| 2007-04-16 | Stewart William D (V.P. & General Manager) | Sale | 28,125 | 26.86 | 755,381 |
| 2007-04-16 | Stewart William D (V.P. & General Manager) | Option Ex | 28,125 | 17.74 | 498,937 |
| 2007-03-29 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 25.26 | 2,526,000 |
| 2007-03-29 | Bertucci John R (Director) | Sale | 100,000 | 25.26 | 2,526,000 |
| 2007-03-28 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 25.47 | 2,547,000 |
| 2007-03-28 | Bertucci John R (Director) | Sale | 100,000 | 25.47 | 2,547,000 |
| 2007-03-23 | Colella Gerard G (Chief Business Officer and VP) | Sale | 10,681 | 25.95 | 277,171 |
| 2007-03-23 | Colella Gerard G (Chief Business Officer and VP) | Option Ex | 10,681 | 17.50 | 186,917 |
| 2007-03-22 | Colella Gerard G (Chief Business Officer and VP) | Sale | 7,825 | 25.96 | 203,137 |
| 2007-03-22 | Colella Gerard G (Chief Business Officer and VP) | Option Ex | 7,825 | 17.50 | 136,937 |
| 2007-03-12 | Smith John Alexander (V.P. & Chief Tech Officer) | Sale | 14,116 | 24.90 | 351,488 |
| 2007-03-12 | Smith John Alexander (V.P. & Chief Tech Officer) | Option Ex | 14,116 | 16.61 | 234,494 |
| 2007-03-08 | Hadar Ron (V.P. General Manager CIT Prod.) | Sale | 26,437 | 24.00 | 634,540 |
| 2007-03-08 | Hadar Ron (V.P. General Manager CIT Prod.) | Option Ex | 26,437 | 16.04 | 423,970 |
| 2007-03-01 | Bertucci Claire R (10% Owner) | Sale | 82,483 | 23.83 | 1,958,195 |
| 2007-03-01 | Bertucci Claire R (10% Owner) | Option Ex | 7,483 | 12.74 | 95,370 |
| 2007-03-01 | Klimm Robert L (V.P. & General Manager) | Sale | 375 | 23.46 | 8,797 |
| 2007-03-01 | Klimm Robert L (V.P. & General Manager) | Option Ex | 375 | 18.12 | 6,795 |
| 2007-03-01 | Bertucci John R (Director) | Sale | 82,483 | 23.83 | 1,958,195 |
| 2007-03-01 | Bertucci John R (Director) | Option Ex | 7,483 | 12.74 | 95,370 |
| 2007-02-28 | Bertucci Claire R (10% Owner) | Sale | 75,000 | 24.01 | 1,800,750 |
| 2007-02-28 | Bertucci John R (Director) | Sale | 75,000 | 24.01 | 1,800,750 |
| 2007-02-22 | Kahl Hans Jochen (Director) | Sale | 12,000 | 24.84 | 298,044 |
| 2007-02-22 | Kahl Hans Jochen (Director) | Option Ex | 12,000 | 20.07 | 240,840 |
| 2007-02-20 | Colella Gerard G (Chief Business Officer and VP) | Sale | 6,650 | 23.95 | 159,234 |
| 2007-02-20 | Colella Gerard G (Chief Business Officer and VP) | Option Ex | 6,650 | 14.72 | 97,888 |
| 2007-02-01 | Bertucci Claire R (10% Owner) | Sale | 50,000 | 21.98 | 1,099,000 |
| 2007-02-01 | Bertucci John R (Director) | Sale | 50,000 | 21.98 | 1,099,000 |
| 2007-01-31 | Bertucci Claire R (10% Owner) | Sale | 50,000 | 21.73 | 1,086,500 |
| 2007-01-31 | Bertucci John R (Director) | Sale | 50,000 | 21.73 | 1,086,500 |
| 2007-01-30 | Klimm Robert L (V.P. & General Manager) | Sale | 1,875 | 21.73 | 40,743 |
| 2007-01-30 | Klimm Robert L (V.P. & General Manager) | Option Ex | 1,875 | 14.72 | 27,600 |
| 2007-01-10 | Klimm Robert L (V.P. & General Manager) | Sale | 7,500 | 23.43 | 175,732 |
| 2007-01-10 | Klimm Robert L (V.P. & General Manager) | Option Ex | 7,500 | 17.25 | 129,375 |
| 2007-01-04 | Bertucci Claire R (10% Owner) | Sale | 75,000 | 22.82 | 1,711,500 |
| 2007-01-04 | Bertucci John R (Director) | Sale | 75,000 | 22.82 | 1,711,500 |
| 2007-01-03 | Bertucci Claire R (10% Owner) | Sale | 75,000 | 22.67 | 1,700,000 |
| 2007-01-03 | Bertucci John R (Director) | Sale | 75,000 | 22.67 | 1,700,000 |
| 2006-12-13 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 626 | 20.93 | 13,102 |
| 2006-12-07 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.66 | 2,066,000 |
| 2006-12-07 | Bertucci John R (Director) | Sale | 100,000 | 20.66 | 2,066,000 |
| 2006-12-06 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 20.74 | 2,073,999 |
| 2006-12-06 | Bertucci John R (Director) | Sale | 100,000 | 20.74 | 2,073,999 |
| 2006-11-24 | Schneider Frank (VP and GM Ion Systems) | Sale | 150 | 21.06 | 3,159 |
| 2006-11-09 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 21.00 | 2,100,000 |
| 2006-11-09 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 21.00 | 2,100,000 |
| 2006-11-08 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 21.27 | 2,127,000 |
| 2006-11-08 | Bertucci John R (Executive Chairman) | Sale | 100,000 | 21.27 | 2,127,000 |
| 2006-11-01 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 13,584 | 20.51 | 278,607 |
| 2006-11-01 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 13,584 | 4.43 | 60,177 |
| 2006-10-30 | Klimm Robert L (V.P. & General Manager) | Sale | 1,875 | 21.47 | 40,256 |
| 2006-10-30 | Klimm Robert L (V.P. & General Manager) | Option Ex | 1,875 | 14.72 | 27,600 |
| 2006-10-26 | Klimm Robert L (V.P. & General Manager) | Sale | 5,500 | 22.40 | 123,199 |
| 2006-10-26 | Klimm Robert L (V.P. & General Manager) | Option Ex | 5,500 | 16.88 | 92,840 |
| 2006-10-25 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 2,770 | 21.01 | 58,197 |
| 2006-10-25 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 2,770 | 4.43 | 12,271 |
| 2006-10-18 | Weigner Ronald (V.P. & Chief Financial Officer) | Sale | 2,770 | 21.89 | 60,635 |
| 2006-10-18 | Weigner Ronald (V.P. & Chief Financial Officer) | Option Ex | 2,770 | 4.43 | 12,271 |
| 2006-10-13 | Klimm Robert L (V.P. & General Manager) | Sale | 5,500 | 21.91 | 120,505 |
| 2006-10-13 | Klimm Robert L (V.P. & General Manager) | Option Ex | 5,500 | 16.88 | 92,840 |
| 2006-10-12 | Bertucci Claire R (10% Owner) | Sale | 100,000 | 21.10 | 2,110,000 |
| 2006-10-12 | Klimm Robert L (V.P. & General Manager) | Sale | 5,500 | 21.40 | 117,699 |
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.