Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Mks Inc (MKSI) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Mks 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 2015: $444,158.
Total stock sales since 2015: $393,690,090.
Total stock option exercises since 2015: $1,049,511.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 12,432 | $1,279,541 | 99,872 | $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 | $649,336 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2018-12-03 | Mora Elizabeth (Director) | Sale | 375 | 79.90 | 29,963 |
| 2018-09-04 | Mora Elizabeth (Director) | Sale | 375 | 92.50 | 34,687 |
| 2018-08-07 | Hanley Peter (Director) | Sale | 1,240 | 94.39 | 117,043 |
| 2018-06-11 | Moloney Jacqueline F (Director) | Sale | 750 | 100.20 | 75,150 |
| 2018-06-06 | Abrams John R (Sr. VP, Global Sales) | Sale | 133 | 117.77 | 15,663 |
| 2018-06-06 | Hanley Peter (Director) | Sale | 500 | 117.99 | 58,996 |
| 2018-06-01 | Mora Elizabeth (Director) | Sale | 375 | 113.40 | 42,525 |
| 2018-05-16 | Mora Elizabeth (Director) | Sale | 516 | 116.42 | 60,074 |
| 2018-05-11 | Hanley Peter (Director) | Sale | 250 | 113.70 | 28,425 |
| 2018-05-09 | Chute Richard S (Director) | Sale | 1,988 | 110.75 | 220,171 |
| 2018-05-07 | Quirk Brian Charles (Sr. VP, Global Operations) | Sale | 2,000 | 109.40 | 218,800 |
| 2018-05-01 | Colella Gerard G (CEO, President, Director) | Sale | 10,000 | 101.92 | 1,019,200 |
| 2018-04-02 | Werth Dennis L (Sr. VP, Business Units) | Option Ex | 2,456 | .00 | 0 |
| 2018-03-14 | Hanley Peter (Director) | Sale | 430 | 123.40 | 53,061 |
| 2018-03-01 | Mora Elizabeth (Director) | Sale | 300 | 111.10 | 33,330 |
| 2018-02-21 | Abrams John R (Sr. VP, Global Sales & Service) | Sale | 9,831 | 114.94 | 1,129,975 |
| 2018-02-20 | Lee John Tseng-chung (Sr. VP & COO) | Sale | 13,432 | 115.61 | 1,552,873 |
| 2018-02-20 | Bagshaw Seth H (Sr. VP, CFO & Treasurer) | Sale | 5,000 | 115.21 | 576,070 |
| 2018-02-20 | Hanley Peter (Director) | Sale | 350 | 115.10 | 40,286 |
| 2018-02-15 | Quirk Brian Charles (Sr. VP, Global Operations) | Option Ex | 11,635 | .00 | 0 |
| 2018-02-15 | Abrams John R (Sr. VP, Global Sales & Service) | Option Ex | 11,043 | .00 | 0 |
| 2018-02-15 | Werth Dennis L (Sr. VP, Business Units) | Option Ex | 13,153 | .00 | 0 |
| 2018-02-15 | Lee John Tseng-chung (Sr. VP & COO) | Option Ex | 21,525 | .00 | 0 |
| 2018-02-15 | Colella Gerard G (CEO, President, Director) | Option Ex | 64,682 | .00 | 0 |
| 2018-02-15 | Phillippy Robert J (Director) | Sale | 10,000 | 109.15 | 1,091,500 |
| 2018-02-15 | Bagshaw Seth H (Sr. VP, CFO & Treasurer) | Option Ex | 26,973 | .00 | 0 |
| 2018-02-14 | Hanley Peter (Director) | Sale | 100 | 107.06 | 10,706 |
| 2018-02-05 | Quirk Brian Charles (Sr. VP, Global Operations) | Sale | 2,000 | 105.10 | 210,200 |
| 2018-01-12 | Colella Gerard G (CEO, President, Director) | Sale | 10,000 | 96.30 | 963,020 |
| 2018-01-08 | Bagshaw Seth H (Sr. VP, CFO & Treasurer) | Sale | 10,000 | 102.07 | 1,020,729 |
| 2017-12-15 | Werth Dennis L (Sr. VP, Business Units) | Sale | 2,022 | 97.90 | 197,953 |
| 2017-12-15 | Werth Dennis L (Sr. VP, Business Units) | Option Ex | 5,911 | 27.89 | 164,857 |
| 2017-12-14 | Werth Dennis L (Sr. VP, Business Units) | Sale | 1,617 | 95.61 | 154,609 |
| 2017-12-14 | Werth Dennis L (Sr. VP, Business Units) | Option Ex | 4,199 | 27.79 | 116,690 |
| 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 |
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 Inc (symbol MKSI, CIK number 1049502) see the Securities and Exchange Commission (SEC) website.