Insider Trading activities of Mks Instruments Inc insiders.

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. 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 $427,333,346.
The total value of stock option exercises since 2005 is $30,595,429.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Mks Instruments Inc (MKSI).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-12 0 $0 5,500 $523,045 0 $0
2017-11 0 $0 4,113 $435,583 0 $0
2017-09 0 $0 8,100 $693,270 0 $0
2017-08 0 $0 2,000 $158,600 0 $0
2017-07 0 $0 1,000 $83,221 0 $0
2017-06 0 $0 550 $42,807 0 $0
2017-05 0 $0 31,260 $2,478,102 25,494 $0
2017-04 0 $0 11,000 $754,810 0 $0
2017-03 0 $0 19,566 $1,318,409 5,407 $0
2017-02 0 $0 23,434 $1,584,183 149,957 $0
2016-11 0 $0 17,533 $977,753 5,838 $118,628
2016-10 0 $0 1,000 $49,360 0 $0
2016-09 0 $0 5,000 $235,545 0 $0
2016-08 0 $0 31,814 $1,486,065 0 $0
2016-06 0 $0 5,836 $243,305 0 $0
2016-05 3,500 $125,772 5,623 $207,872 0 $0
2016-04 0 $0 0 $0 1,502 $0
2016-03 0 $0 11,000 $393,470 0 $0
2016-02 0 $0 6,329 $204,304 79,176 $0
2016-01 0 $0 1,000 $36,000 0 $0
2015-12 0 $0 3,300 $120,001 0 $0
2015-09 0 $0 900 $30,345 0 $0
2015-08 0 $0 900 $31,706 0 $0
2015-07 0 $0 12,000 $440,124 12,000 $292,200
2015-05 0 $0 20,147 $729,537 0 $0
2015-04 0 $0 7,825 $277,780 3,972 $83,304
2015-03 0 $0 13,825 $490,362 12,000 $190,080
2015-02 0 $0 10,055 $355,965 91,707 $83,752
2015-01 0 $0 3,446 $120,122 0 $0
2014-12 0 $0 4,386 $158,564 0 $0
2014-11 0 $0 3,654 $133,354 0 $0
2014-10 0 $0 12,000 $426,458 907 $0
2014-09 0 $0 3,500 $121,677 0 $0
2014-08 0 $0 18,069 $591,417 15,000 $322,695
2014-07 0 $0 7,000 $227,011 0 $0
2014-06 0 $0 20,546 $604,646 0 $0
2014-05 0 $0 1,000 $27,176 0 $0
2014-04 0 $0 0 $0 6,084 $0
2014-03 0 $0 5,111 $154,607 0 $0
2014-02 0 $0 18,875 $558,010 68,438 $240,840
2013-12 0 $0 15,000 $439,670 91,745 $0
2013-11 1,159 $27,771 0 $0 0 $0
2013-10 0 $0 31,800 $922,963 31,800 $862,098
2013-07 0 $0 0 $0 8,802 $0
2013-05 1,560 $31,848 2,732 $76,684 0 $0
2013-04 0 $0 1,394 $37,261 14,086 $0
2013-03 0 $0 27,253 $746,227 48,765 $0
2013-02 0 $0 14,672 $402,661 87,105 $79,200
2012-12 0 $0 200,000 $4,804,000 0 $0
2012-11 1,284 $26,465 12,000 $289,104 12,000 $204,719
2012-09 0 $0 4,000 $110,072 0 $0
2012-08 0 $0 16,209 $436,102 0 $0
2012-07 0 $0 6,000 $157,392 0 $0
2012-05 0 $0 1,913 $52,951 13,400 $0
2012-04 0 $0 0 $0 15,713 $0
2012-03 0 $0 22,548 $655,042 82,642 $0
2012-02 0 $0 30,439 $967,727 61,697 $406,866
2011-11 0 $0 18,251 $499,306 12,000 $292,200
2011-10 0 $0 7,000 $190,281 10,750 $140,490
2011-08 0 $0 8,575 $192,637 0 $0
2011-07 0 $0 12,581 $317,295 12,000 $240,840
2011-05 0 $0 36,000 $972,931 25,000 $394,800
2011-04 0 $0 13,485 $383,300 0 $0
2011-03 0 $0 113,220 $3,619,761 217,687 $1,499,766
2011-02 0 $0 494,261 $14,944,823 489,300 $11,423,987
2010-12 0 $0 636,845 $14,101,736 555 $0
2010-11 0 $0 156,374 $3,203,918 0 $0
2010-10 0 $0 150,000 $3,103,499 3,750 $0
2010-09 0 $0 3,056 $56,360 1,556 $0
2010-08 0 $0 150,000 $3,147,000 0 $0
2010-07 0 $0 106,330 $2,107,354 0 $0
2010-06 0 $0 5,905 $112,372 555 $0
2010-05 0 $0 150,000 $3,131,250 556 $0
2010-04 0 $0 279,594 $6,210,470 105,936 $1,889,296
2010-03 0 $0 58,876 $1,120,639 88,933 $27,600
2010-02 0 $0 106,099 $2,010,169 555 $0
2009-12 0 $0 0 $0 555 $0
2009-11 0 $0 4,000 $63,080 556 $0
2009-10 0 $0 50,540 $974,035 3,750 $0
2009-09 0 $0 82,199 $1,644,813 1,556 $10,247
2009-08 0 $0 66,906 $1,210,807 555 $0
2009-07 0 $0 39,762 $743,389 0 $0
2009-06 0 $0 0 $0 555 $7,975
2009-05 0 $0 4,000 $61,120 556 $0
2009-04 0 $0 8,000 $127,200 0 $0
2009-03 0 $0 24,902 $328,292 72,919 $147,000
2009-02 0 $0 12,548 $193,114 6,555 $86,400
2008-12 0 $0 0 $0 555 $0
2008-11 0 $0 0 $0 556 $0
2008-10 0 $0 35,000 $625,650 3,750 $63,150
2008-09 0 $0 100,000 $2,024,000 556 $12,537
2008-08 0 $0 150,000 $3,381,450 555 $11,982
2008-07 0 $0 78,888 $1,601,698 2,188 $32,207
2008-06 0 $0 148,682 $3,369,656 555 $0
2008-05 0 $0 340,452 $8,086,484 32,430 $174,784
2008-04 0 $0 1,110,000 $25,343,700 60,000 $0
2008-03 0 $0 198,404 $3,967,169 25,870 $0
2008-02 0 $0 110,938 $2,129,956 11,493 $161,007
2008-01 0 $0 48,400 $886,610 0 $0
2007-12 0 $0 200,687 $3,683,228 0 $0
2007-11 0 $0 153,400 $2,718,702 556 $0
2007-10 0 $0 302,246 $6,035,728 0 $0
2007-09 0 $0 200,000 $4,071,998 0 $0
2007-08 0 $0 202,188 $4,405,854 2,743 $32,207
2007-07 0 $0 300,000 $8,139,000 0 $0
2007-06 0 $0 493,227 $13,633,272 85,884 $1,013,378
2007-05 0 $0 578,741 $15,528,082 168,741 $3,694,674
2007-04 0 $0 481,592 $13,226,396 51,592 $929,815
2007-03 0 $0 639,366 $15,895,913 74,400 $1,179,853
2007-02 0 $0 268,650 $6,256,778 18,650 $338,728
2007-01 0 $0 509,375 $11,479,975 9,375 $156,975
2006-12 0 $0 400,626 $8,293,100 0 $0
2006-11 0 $0 413,734 $8,735,766 13,584 $60,177
2006-10 0 $0 442,723 $9,295,216 42,723 $428,049
2006-09 0 $0 739,481 $15,050,107 11,310 $50,103
2006-08 0 $0 1,460,216 $29,619,208 40,025 $382,688
2006-07 0 $0 769,375 $14,973,532 4,827 $35,442
2006-06 0 $0 743,060 $14,822,231 3,320 $35,286
2006-05 0 $0 1,315,353 $28,725,729 35,160 $517,747
2006-04 0 $0 705,696 $16,853,146 58,812 $1,024,922
2006-03 0 $0 1,008,597 $22,838,080 11,232 $65,091
2006-02 0 $0 343,958 $7,813,776 54,632 $724,474
2006-01 0 $0 64,384 $1,363,828 32,500 $425,170
2005-12 0 $0 840 $16,430 0 $0
2005-10 0 $0 942 $17,342 0 $0
2005-07 0 $0 1,884 $36,162 0 $0
2005-06 0 $0 881 $15,021 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Mks Instruments Inc insiders (MKSI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-12-14 Colella Gerard G (CEO, President, Director) Sale 5,000 95.26 476,300
2017-12-05 Hanley Peter (Director) Sale 200 92.58 18,515
2017-12-01 Mora Elizabeth (Director) Sale 300 94.10 28,230
2017-11-13 Lee John Tseng-chung (Sr. VP & COO) Sale 2,113 104.02 219,783
2017-11-06 Quirk Brian Charles (Sr. VP, Global Operations) Sale 2,000 107.90 215,800
2017-09-13 Bagshaw Seth H (Sr. VP, CFO & Treasurer) Sale 7,500 85.80 643,485
2017-09-06 Hanley Peter (Director) Sale 300 83.15 24,945
2017-09-01 Mora Elizabeth (Director) Sale 300 82.80 24,840
2017-08-08 Quirk Brian Charles (Sr. VP, Global Operations) Sale 2,000 79.30 158,600
2017-07-28 Hanley Peter (Director) Sale 1,000 83.22 83,221
2017-06-15 Hanley Peter (Director) Sale 250 72.95 18,237
2017-06-01 Mora Elizabeth (Director) Sale 300 81.90 24,570
2017-05-19 Colella Gerard G (CEO, President, Director) Sale 2,500 79.30 198,255
2017-05-15 Hanley Peter (Director) Sale 1,200 81.51 97,814
2017-05-11 Quirk Brian Charles (Sr. VP, Global Operations) Option Ex 3,557 .00 0
2017-05-11 Abrams John R (Sr. VP, Global Sales & Service) Option Ex 2,964 .00 0
2017-05-11 Lee John Tseng-chung (Sr. VP & COO) Option Ex 3,557 .00 0
2017-05-11 Colella Gerard G (CEO, President, Director) Option Ex 9,487 .00 0
2017-05-11 Bagshaw Seth H (Sr. VP, CFO & Treasurer) Option Ex 5,929 .00 0
2017-05-10 Quirk Brian Charles (Sr. VP, Global Operations) Sale 2,000 80.00 160,000
2017-05-10 Chute Richard S (Director) Sale 3,000 80.00 240,000
2017-05-04 Beecher Gregory R (Director) Sale 3,960 80.87 320,253
2017-05-03 Mora Elizabeth (Director) Sale 200 80.00 16,000
2017-05-01 Beecher Gregory R (Director) Sale 18,400 78.58 1,445,780
2017-04-03 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 68.75 68,750
2017-04-03 Colella Gerard G (CEO, President, Director) Sale 10,000 68.61 686,060
2017-03-31 Werth Dennis L (Sr. VP, Business Units) Option Ex 5,407 .00 0
2017-03-15 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 5,000 68.27 341,345
2017-03-14 Abrams John R (Sr. VP, Global Sales & Service) Sale 12,066 67.09 809,544
2017-03-13 Anderson Robert R (Director) Sale 2,500 67.01 167,520
2017-02-27 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 7,500 67.00 502,500
2017-02-22 Lee John Tseng-chung (Sr. VP & COO) Sale 14,734 67.99 1,001,764
2017-02-15 Quirk Brian Charles (Sr. VP, Global Operations) Option Ex 8,915 .00 0
2017-02-15 Abrams John R (Sr. VP, Global Sales & Service) Option Ex 7,777 .00 0
2017-02-15 Werth Dennis L (Sr. VP, Business Units) Option Ex 7,483 .00 0
2017-02-15 Lee John Tseng-chung (Sr. VP & COO) Option Ex 16,083 .00 0
2017-02-15 Colella Gerard G (CEO, President, Director) Option Ex 48,359 .00 0
2017-02-15 Bagshaw Seth H (Vice President, CFO, Treasurer) Option Ex 20,445 .00 0
2017-02-10 Abrams John R (Sr. VP, Global Sales & Service) Option Ex 2,870 .00 0
2017-02-10 Lee John Tseng-chung (Sr. VP & COO) Option Ex 7,175 .00 0
2017-02-10 Colella Gerard G (CEO, President, Director) Option Ex 20,088 .00 0
2017-02-10 Bagshaw Seth H (Vice President, CFO, Treasurer) Option Ex 10,762 .00 0
2017-02-01 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 66.60 66,600
2017-02-01 Mora Elizabeth (Director) Sale 200 66.60 13,319
2016-11-22 Anderson Robert R (Director) Sale 2,500 56.76 141,897
2016-11-17 Werth Dennis L (Sr. VP, Business Units) Sale 2,333 56.41 131,604
2016-11-17 Werth Dennis L (Sr. VP, Business Units) Option Ex 5,838 20.32 118,628
2016-11-16 Colella Gerard G (CEO, President, Director) Sale 2,500 55.86 139,652
2016-11-16 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 10,000 55.45 554,500
2016-11-01 Mora Elizabeth (Director) Sale 200 50.50 10,100
2016-10-03 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 49.36 49,360
2016-09-13 Colella Gerard G (CEO, President, Director) Sale 5,000 47.11 235,545
2016-08-19 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 15,000 47.43 711,390
2016-08-15 Hanley Peter (Director) Sale 259 46.78 12,116
2016-08-10 Lee John Tseng-chung (Sr. VP, Business Units) Sale 9,955 46.36 461,523
2016-08-03 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 45.17 45,170
2016-08-03 Mora Elizabeth (Director) Sale 200 45.17 9,034
2016-08-01 Colella Gerard G (CEO, President, Director) Sale 5,000 45.71 228,565
2016-08-01 Hanley Peter (Director) Sale 400 45.67 18,267
2016-06-10 Hanley Peter (Director) Sale 2,000 41.29 82,582
2016-06-08 Abrams John R (Sr. VP, Global Sales & Service) Sale 3,498 42.00 146,916
2016-06-02 Abrams John R (Sr. VP, Global Sales & Service) Sale 338 40.85 13,807
2016-05-27 Hanley Peter (Director) Sale 800 40.60 32,483
2016-05-24 Hanley Peter (Director) Sale 500 39.00 19,498
2016-05-16 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 36.25 36,250
2016-05-09 Chute Richard S (Director) Sale 3,000 35.94 107,820
2016-05-05 Anderson Robert R (Director) Buy 3,500 35.94 125,772
2016-05-03 Hanley Peter (Director) Sale 323 36.60 11,821
2016-04-04 Abrams John R (Sr. VP, Global Sales & Service) Option Ex 1,502 .00 0
2016-03-24 Colella Gerard G (CEO, President, Director) Sale 10,000 35.75 357,470
2016-03-18 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 36.00 36,000
2016-02-26 Lee John Tseng-chung (Sr. VP, Business Units) Sale 994 32.70 32,503
2016-02-26 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 1,750 32.70 57,225
2016-02-25 Quirk Brian Charles (Sr. VP, Global Operations) Option Ex 4,676 .00 0
2016-02-25 Lee John Tseng-chung (Sr. VP, Business Units) Option Ex 4,967 .00 0
2016-02-25 Colella Gerard G (CEO, President, Director) Option Ex 11,690 .00 0
2016-02-25 Bagshaw Seth H (Vice President, CFO, Treasurer) Option Ex 8,767 .00 0
2016-02-16 Abrams John R (Sr. VP, Global Sales) Option Ex 3,162 .00 0
2016-02-11 Lee John Tseng-chung (Sr. VP, Business Units) Sale 1,435 31.96 45,862
2016-02-11 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 2,150 31.96 68,714
2016-02-10 Quirk Brian Charles (Sr. VP, Global Operations) Option Ex 5,022 .00 0
2016-02-10 Abrams John R (Sr. VP, Global Sales) Option Ex 2,870 .00 0
2016-02-10 Lee John Tseng-chung (Sr. VP, Business Units) Option Ex 7,174 .00 0
2016-02-10 Colella Gerard G (CEO, President, Director) Option Ex 20,087 .00 0
2016-02-10 Bagshaw Seth H (Vice President, CFO, Treasurer) Option Ex 10,761 .00 0
2016-01-28 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 36.00 36,000
2015-12-16 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,000 36.03 36,030
2015-12-16 Amon Cristina (Director) Sale 1,500 36.09 54,135
2015-12-03 Hanley Peter (Director) Sale 800 37.30 29,836
2015-09-14 Hanley Peter (Director) Sale 900 33.72 30,345
2015-08-12 Hanley Peter (Director) Sale 900 35.23 31,706
2015-07-15 Chute Richard S (Director) Sale 12,000 36.68 440,124
2015-07-15 Chute Richard S (Director) Option Ex 12,000 24.35 292,200
2015-05-28 Anderson Robert R (Director) Sale 500 37.50 18,750
2015-05-28 Hanley Peter (Director) Sale 1,600 37.72 60,348
2015-05-21 Anderson Robert R (Director) Sale 500 37.32 18,660
2015-05-14 Lee John Tseng-chung (Sr. VP, Business Units) Sale 10,747 36.36 390,750
2015-05-14 Anderson Robert R (Director) Sale 500 36.33 18,165
2015-05-07 Anderson Robert R (Director) Sale 500 34.78 17,390
2015-05-04 Mora Elizabeth (Director) Sale 2,800 35.39 99,094
2015-05-04 Chute Richard S (Director) Sale 3,000 35.46 106,380
2015-04-30 Anderson Robert R (Director) Sale 500 35.73 17,865
2015-04-27 Colella Gerard G (CEO, President, Director) Sale 5,000 36.08 180,390
2015-04-23 Anderson Robert R (Director) Sale 500 36.25 18,125
2015-04-16 Anderson Robert R (Director) Sale 500 33.90 16,950
2015-04-09 Anderson Robert R (Director) Sale 500 33.63 16,815
2015-04-06 Abrams John R (Sr. VP, Global Sales) Option Ex 1,503 .00 0
2015-04-06 Hanley Peter (Director) Sale 325 33.34 10,835
2015-04-02 Quirk Brian Charles (Sr. VP, Global Operations) Option Ex 2,469 33.74 83,304
2015-04-02 Anderson Robert R (Director) Sale 500 33.60 16,800
2015-03-26 Anderson Robert R (Director) Sale 500 33.74 16,870
2015-03-19 Anderson Robert R (Director) Sale 500 35.85 17,924
2015-03-12 Anderson Robert R (Director) Sale 500 34.60 17,300
2015-03-06 Hanley Peter (Director) Sale 325 34.98 11,368
2015-03-02 Chute Richard S (Director) Sale 12,000 35.58 426,900
2015-03-02 Chute Richard S (Director) Option Ex 12,000 15.84 190,080
2015-02-25 Quirk Brian Charles (Sr. VP, Global Operations) Option Ex 4,675 17.91 83,752
2015-02-25 Lee John Tseng-chung (Sr. VP, Business Units) Option Ex 4,968 .00 0
2015-02-25 Colella Gerard G (CEO, President, Director) Option Ex 11,688 .00 0
2015-02-25 Bagshaw Seth H (Vice President, CFO, Treasurer) Option Ex 8,766 .00 0
2015-02-23 Lee John Tseng-chung (Sr. VP, Business Units) Option Ex 3,272 .00 0
2015-02-23 Colella Gerard G (CEO, President, Director) Option Ex 7,197 .00 0
2015-02-23 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 2,115 35.30 74,663
2015-02-23 Bagshaw Seth H (Vice President, CFO, Treasurer) Option Ex 5,234 .00 0
2015-02-17 Colella Gerard G (CEO, President, Director) Sale 6,000 35.30 211,812
2015-02-10 Quirk Brian Charles (Sr. VP, Global Operations) Option Ex 5,021 .00 0
2015-02-10 Abrams John R (Sr. VP, Global Sales) Option Ex 2,868 .00 0
2015-02-10 Lee John Tseng-chung (Sr. VP, Business Units) Option Ex 7,173 .00 0
2015-02-10 Colella Gerard G (CEO, President, Director) Option Ex 20,085 .00 0
2015-02-10 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 1,615 35.78 57,784
2015-02-10 Bagshaw Seth H (Vice President, CFO, Treasurer) Option Ex 10,760 .00 0
2015-02-06 Hanley Peter (Director) Sale 325 36.02 11,706
2015-01-30 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,041 36.09 37,569
2015-01-23 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,040 34.76 36,150
2015-01-16 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,040 33.10 34,424
2015-01-02 Hanley Peter (Director) Sale 325 36.86 11,979
2014-12-12 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,041 35.97 37,444
2014-12-10 Abrams John R (Sr. VP, Global Sales) Sale 430 36.83 15,836
2014-12-05 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,040 36.17 37,616
2014-12-02 Mora Elizabeth (Director) Sale 1,875 36.09 67,668
2014-11-21 Quirk Brian Charles (Sr. VP, Global Operations) Sale 1,040 36.30 37,752
2014-11-10 Abrams John R (Sr. VP, Global Sales) Sale 2,058 36.58 75,281
2014-11-03 Amon Cristina (Director) Sale 556 36.55 20,321
2014-10-31 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 1,000 36.40 36,402
2014-10-29 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 4,000 36.00 144,016
2014-10-24 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 4,000 35.26 141,040
2014-10-23 Colella Gerard G (CEO, President, Director) Sale 3,000 35.00 105,000
2014-10-17 Abrams John R (Sr. VP, Global Sales) Option Ex 907 .00 0
2014-09-19 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 3,500 34.77 121,677
2014-08-28 Bagshaw Seth H (Vice President, CFO, Treasurer) Sale 2,600 33.45 86,983

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.