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Overview of all insider trading transactions in MKS INSTRUMENTS INC. Get notifications about new insider transactions in MKS INSTRUMENTS INC for free.
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 09 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 17.61 | 1,800 | 31,698 | 0 | 1.8 K to 0 (-100.00 %) |
| Mar 09 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Mar 02 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 359,853 | |
| Mar 02 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 18.46 | 1,800 | 33,228 | 0 | 1.8 K to 0 (-100.00 %) |
| Mar 02 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Feb 24 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 361,653 | |
| Feb 24 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 17.68 | 1,800 | 31,824 | 0 | 1.8 K to 0 (-100.00 %) |
| Feb 24 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Feb 16 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 363,453 | |
| Feb 16 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 18.11 | 1,800 | 32,598 | 0 | 1.8 K to 0 (-100.00 %) |
| Feb 16 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Feb 16 2005 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | A | 0.00 | 37,500 | 0 | 229,916 | |
| Jan 19 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 370,653 | |
| Jan 19 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 15.40 | 1,800 | 27,720 | 0 | 1.8 K to 0 (-100.00 %) |
| Jan 19 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Feb 09 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 365,253 | |
| Feb 09 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 17.46 | 1,800 | 31,428 | 0 | 1.8 K to 0 (-100.00 %) |
| Feb 09 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Feb 02 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 367,053 | |
| Feb 02 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 15.89 | 1,800 | 28,602 | 0 | 1.8 K to 0 (-100.00 %) |
| Feb 02 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Jan 26 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 368,853 | |
| Jan 26 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 15.38 | 1,800 | 27,684 | 0 | 1.8 K to 0 (-100.00 %) |
| Jan 26 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Jan 12 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 372,453 | |
| Jan 12 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 15.35 | 1,800 | 27,630 | 0 | 1.8 K to 0 (-100.00 %) |
| Jan 12 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 0.00 | 1,800 | 0 | 1,800 | 0 to 1.8 K |
| Jan 05 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 374,253 | |
| Jan 05 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 17.17 | 1,800 | 30,906 | 0 | 1.8 K to 0 (-100.00 %) |
| Jan 05 2005 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 0.00 | 1,800 | 0 | 1,800 | 0 to 1.8 K |
| Jan 03 2005 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 18.48 | 471 | 8,704 | 4,239 | 4.7 K to 4.2 K (-10.00 %) |
| Jan 03 2005 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 18.48 | 471 | 8,704 | 4,239 | 4.7 K to 4.2 K (-10.00 %) |
| Dec 22 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 377,853 | |
| Dec 22 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 18.05 | 1,800 | 32,490 | 0 | 1.8 K to 0 (-100.00 %) |
| Dec 22 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Dec 29 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 376,053 | |
| Dec 29 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 18.35 | 1,800 | 33,030 | 0 | 1.8 K to 0 (-100.00 %) |
| Dec 29 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 4.43 | 1,800 | 7,974 | 1,800 | 0 to 1.8 K |
| Dec 15 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 379,653 | |
| Dec 15 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 17.95 | 1,800 | 32,310 | 0 | 1.8 K to 0 (-100.00 %) |
| Dec 15 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 0.00 | 1,800 | 0 | 1,800 | 0 to 1.8 K |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 381,453 | |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 17.73 | 1,800 | 31,914 | 0 | 1.8 K to 0 (-100.00 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 0.00 | 1,800 | 0 | 1,800 | 0 to 1.8 K |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 18.24 | 2,050 | 37,392 | 0 | 2.1 K to 0 (-100.00 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | J | 14.44 | 809 | 11,682 | 2,050 | 1.2 K to 2.1 K (+65.19 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | J | 19.86 | 612 | 12,154 | 1,241 | 629 to 1.2 K (+97.30 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 12.97 | 490 | 6,355 | 0 | |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 81,600 | 0 | 192,416 | |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 18.08 | 82,090 | 1,484,187 | 663 | 82.8 K to 663 (-99.20 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 12.97 | 490 | 6,355 | 82,753 | 82.3 K to 82.8 K (+0.60 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 0.00 | 81,600 | 0 | 82,263 | 663 to 82.3 K (+12,307.69 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | KLIMM ROBERT L | V.P. & General Mana ... | Buy | J | 14.44 | 742 | 10,714 | 4,996 | 4.3 K to 5 K (+17.44 %) |
| Dec 08 2004 | MKSI | MKS INSTRUMENTS IN ... | KLIMM ROBERT L | V.P. & General Mana ... | Buy | J | 19.86 | 561 | 11,141 | 4,254 | 3.7 K to 4.3 K (+15.19 %) |
| Dec 07 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 18.32 | 2,891 | 52,963 | 663 | 3.6 K to 663 (-81.34 %) |
| Dec 07 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | J | 14.44 | 662 | 9,559 | 3,554 | 2.9 K to 3.6 K (+22.89 %) |
| Dec 07 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | J | 19.69 | 592 | 11,656 | 2,892 | 2.3 K to 2.9 K (+25.74 %) |
| Dec 07 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 18.32 | 2,891 | 52,963 | 663 | 3.6 K to 663 (-81.34 %) |
| Dec 07 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | J | 14.44 | 662 | 9,559 | 3,554 | 2.9 K to 3.6 K (+22.89 %) |
| Dec 07 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | J | 19.69 | 592 | 11,656 | 2,892 | 2.3 K to 2.9 K (+25.74 %) |
| Dec 02 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | M | 0.00 | 1,800 | 0 | 383,253 | |
| Dec 02 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Sell | S | 17.30 | 1,800 | 31,140 | 629 | 2.4 K to 629 (-74.10 %) |
| Dec 02 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Buy | M | 0.00 | 1,800 | 0 | 2,429 | 629 to 2.4 K (+286.17 %) |
| Nov 30 2004 | MKSI | MKS INSTRUMENTS IN ... | KAHL HANS JOCHEN | Director | Sell | S | 17.31 | 10,004 | 173,169 | 9,374 | 19.4 K to 9.4 K (-51.63 %) |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Option Exercise | X | 0.00 | 4,601 | 0 | 29,141 | |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Gift | G | 0.00 | 158,057 | 0 | 151,864 | 309.9 K to 151.9 K (-51.00 %) |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Buy | X | 0.00 | 4,601 | 0 | 4,379,246 | 4.4 M to 4.4 M (+0.11 %) |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Option Exercise | X | 0.00 | 4,601 | 0 | 29,141 | |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Gift | G | 0.00 | 158,057 | 0 | 151,864 | 309.9 K to 151.9 K (-51.00 %) |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Buy | X | 0.00 | 4,601 | 0 | 4,379,246 | 4.4 M to 4.4 M (+0.11 %) |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Option Exercise | X | 0.00 | 4,601 | 0 | 29,141 | |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Gift | G | 0.00 | 158,057 | 0 | 151,864 | 309.9 K to 151.9 K (-51.00 %) |
| Oct 28 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Buy | X | 6.14 | 4,601 | 28,250 | 4,379,246 | 4.4 M to 4.4 M (+0.11 %) |
| Sep 08 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Option Exercise | M | 0.00 | 4,000 | 0 | 239,641 | |
| Sep 08 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Sell | S | 13.39 | 4,000 | 53,560 | 24 | 4 K to 24 (-99.40 %) |
| Sep 08 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Buy | M | 0.00 | 4,000 | 0 | 4,024 | 24 to 4 K (+16,666.67 %) |
| Aug 02 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | A | 14.72 | 30,000 | 441,600 | 30,000 | |
| Aug 02 2004 | MKSI | MKS INSTRUMENTS IN ... | SMITH JOHN ALEXANDER | V.P. & General Mana ... | Option Exercise | A | 14.72 | 35,000 | 515,200 | 35,000 | |
| Aug 02 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | A | 14.72 | 30,000 | 441,600 | 30,000 | |
| Aug 02 2004 | MKSI | MKS INSTRUMENTS IN ... | KLIMM ROBERT L | V.P. & General Mana ... | Option Exercise | A | 14.72 | 30,000 | 441,600 | 30,000 | |
| Aug 02 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Option Exercise | A | 14.72 | 35,000 | 515,200 | 35,000 | |
| Aug 02 2004 | MKSI | MKS INSTRUMENTS IN ... | BERLINGHIERI LEO | V.P. Global Sales & ... | Option Exercise | A | 14.72 | 50,000 | 736,000 | 50,000 | |
| Jun 10 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Option Exercise | M | 0.00 | 5,000 | 0 | 243,641 | |
| Jun 10 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Sell | S | 23.25 | 5,000 | 116,250 | 24 | 5 K to 24 (-99.52 %) |
| Jun 10 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Buy | M | 0.00 | 5,000 | 0 | 5,024 | 24 to 5 K (+20,833.33 %) |
| Jun 01 2004 | MKSI | MKS INSTRUMENTS IN ... | BERLINGHIERI LEO | V.P. Global Sales & ... | Option Exercise | M | 0.00 | 5,000 | 0 | 297,346 | |
| Jun 01 2004 | MKSI | MKS INSTRUMENTS IN ... | BERLINGHIERI LEO | V.P. Global Sales & ... | Sell | S | 23.22 | 5,000 | 116,100 | 0 | 5 K to 0 (-100.00 %) |
| Jun 01 2004 | MKSI | MKS INSTRUMENTS IN ... | BERLINGHIERI LEO | V.P. Global Sales & ... | Buy | M | 4.43 | 5,000 | 22,150 | 5,000 | 0 to 5 K |
| May 14 2004 | MKSI | MKS INSTRUMENTS IN ... | VALENTE LOUIS P | Director | Option Exercise | A | 20.07 | 12,000 | 240,840 | 12,000 | |
| May 14 2004 | MKSI | MKS INSTRUMENTS IN ... | ROBBINS OWEN W | Director | Option Exercise | A | 20.07 | 12,000 | 240,840 | 12,000 | |
| May 14 2004 | MKSI | MKS INSTRUMENTS IN ... | KAHL HANS JOCHEN | Director | Option Exercise | A | 20.07 | 12,000 | 240,840 | 12,000 | |
| May 14 2004 | MKSI | MKS INSTRUMENTS IN ... | CHUTE RICHARD S | Director | Option Exercise | A | 20.07 | 12,000 | 240,840 | 12,000 | |
| May 14 2004 | MKSI | MKS INSTRUMENTS IN ... | ANDERSON ROBERT R | Director | Option Exercise | A | 20.07 | 12,000 | 240,840 | 12,000 | |
| Jan 22 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 26.25 | 571,429 | 15,000,011 | 4,636,498 | 5.2 M to 4.6 M (-10.97 %) |
| Jan 22 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 26.25 | 571,428 | 14,999,985 | 4,438,100 | 5 M to 4.4 M (-11.41 %) |
| Jan 23 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 26.25 | 85,714 | 2,249,993 | 4,352,386 | 4.4 M to 4.4 M (-1.93 %) |
| Jan 23 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 26.25 | 85,714 | 2,249,993 | 4,550,784 | 4.6 M to 4.6 M (-1.85 %) |
| Jan 26 2004 | MKSI | MKS INSTRUMENTS IN ... | EMERSON ELECTRIC CO | 10% Owner | Sell | S | 25.07 | 257,143 | 6,446,241 | 1,065,182 | 1.3 M to 1.1 M (-19.45 %) |
| Jan 23 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 26.25 | 85,714 | 2,249,993 | 4,550,784 | 4.6 M to 4.6 M (-1.85 %) |
| Jan 23 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 26.25 | 85,714 | 2,249,993 | 4,352,386 | 4.4 M to 4.4 M (-1.93 %) |
| Jan 22 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 26.25 | 571,428 | 14,999,985 | 4,438,100 | 5 M to 4.4 M (-11.41 %) |
| Jan 22 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 26.25 | 571,429 | 15,000,011 | 4,636,498 | 5.2 M to 4.6 M (-10.97 %) |
| Jan 22 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 26.25 | 571,428 | 14,999,985 | 4,438,100 | 5 M to 4.4 M (-11.41 %) |
| Jan 22 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 26.25 | 571,429 | 15,000,011 | 4,636,498 | 5.2 M to 4.6 M (-10.97 %) |
| Jan 07 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 29.66 | 50,000 | 1,483,000 | 5,009,528 | 5.1 M to 5 M (-0.99 %) |
| Jan 07 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 29.66 | 50,000 | 1,483,000 | 5,009,528 | 5.1 M to 5 M (-0.99 %) |
| Jan 07 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 29.66 | 50,000 | 1,483,000 | 5,009,528 | 5.1 M to 5 M (-0.99 %) |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Option Exercise | A | 29.93 | 6,000 | 179,580 | 6,000 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | X | 0.00 | 30,000 | 0 | 274,016 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | A | 29.93 | 6,000 | 179,580 | 6,000 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 29.50 | 30,000 | 885,000 | 2,300 | 32.3 K to 2.3 K (-92.88 %) |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | X | 0.00 | 30,000 | 0 | 32,300 | 2.3 K to 32.3 K (+1,304.35 %) |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | SMITH DONALD K | V.P. & CTO | Option Exercise | A | 29.93 | 6,000 | 179,580 | 6,000 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | KLIMM ROBERT L | V.P. & General Mana ... | Option Exercise | A | 29.93 | 7,000 | 209,510 | 7,000 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | SMITH JOHN ALEXANDER | V.P. & General Mana ... | Option Exercise | A | 29.93 | 6,000 | 179,580 | 6,000 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | BERLINGHIERI LEO | V.P. Global Sales & ... | Option Exercise | A | 29.93 | 15,000 | 448,950 | 15,000 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Option Exercise | A | 29.93 | 7,000 | 209,510 | 7,000 | |
| Jan 06 2004 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Option Exercise | A | 29.93 | 7,000 | 209,510 | 7,000 | |
| Jan 05 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 28.99 | 50,000 | 1,449,500 | 5,207,927 | 5.3 M to 5.2 M (-0.95 %) |
| Jan 05 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Gift | G | 0.00 | 27,645 | 0 | 5,059,528 | 5.1 M to 5.1 M (-0.54 %) |
| Jan 05 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Gift | G | 0.00 | 27,645 | 0 | 5,059,528 | 5.1 M to 5.1 M (-0.54 %) |
| Jan 05 2004 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 28.99 | 50,000 | 1,449,500 | 5,207,927 | 5.3 M to 5.2 M (-0.95 %) |
| Dec 12 2003 | MKSI | MKS INSTRUMENTS IN ... | WEIGNER RONALD | V.P. & Chief Financ ... | Grant | A | 16.49 | 629 | 10,372 | 629 | 0 to 629 |
| Dec 12 2003 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Grant | A | 16.49 | 612 | 10,092 | 2,300 | 1.7 K to 2.3 K (+36.26 %) |
| Dec 12 2003 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Grant | A | 16.49 | 612 | 10,092 | 2,300 | 1.7 K to 2.3 K (+36.26 %) |
| Dec 12 2003 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Grant | A | 16.49 | 612 | 10,092 | 2,300 | 1.7 K to 2.3 K (+36.26 %) |
| Dec 12 2003 | MKSI | MKS INSTRUMENTS IN ... | SMITH DONALD K | V.P. & CTO | Grant | A | 16.49 | 493 | 8,130 | 3,381 | 2.9 K to 3.4 K (+17.07 %) |
| Dec 12 2003 | MKSI | MKS INSTRUMENTS IN ... | SMITH DONALD K | V.P. & CTO | Grant | A | 16.49 | 493 | 8,130 | 3,381 | 2.9 K to 3.4 K (+17.07 %) |
| Dec 12 2003 | MKSI | MKS INSTRUMENTS IN ... | KLIMM ROBERT L | V.P. & General Mana ... | Grant | A | 16.49 | 574 | 9,465 | 3,693 | 3.1 K to 3.7 K (+18.40 %) |
| Dec 08 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 25.83 | 4,000 | 103,320 | 5,257,927 | 5.3 M to 5.3 M (-0.08 %) |
| Dec 08 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 25.83 | 3,900 | 100,737 | 5,087,173 | 5.1 M to 5.1 M (-0.08 %) |
| Dec 08 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 25.83 | 3,900 | 100,737 | 5,087,173 | 5.1 M to 5.1 M (-0.08 %) |
| Dec 08 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 25.83 | 4,000 | 103,320 | 5,257,927 | 5.3 M to 5.3 M (-0.08 %) |
| Dec 04 2003 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Option Exercise | A | 0.00 | 250 | 0 | 248,265 | |
| Dec 04 2003 | MKSI | MKS INSTRUMENTS IN ... | COLELLA GERARD G | VP Global Business ... | Option Exercise | A | 0.00 | 250 | 0 | 248,265 | |
| Dec 01 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 27.63 | 12,000 | 331,560 | 5,261,927 | 5.3 M to 5.3 M (-0.23 %) |
| Dec 01 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 27.54 | 12,000 | 330,480 | 5,091,073 | 5.1 M to 5.1 M (-0.24 %) |
| Dec 01 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 27.54 | 12,000 | 330,480 | 5,091,073 | 5.1 M to 5.1 M (-0.24 %) |
| Dec 01 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 27.63 | 12,000 | 331,560 | 5,261,927 | 5.3 M to 5.3 M (-0.23 %) |
| Dec 01 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 28.00 | 100 | 2,800 | 5,103,073 | 5.1 M to 5.1 M (0.00 %) |
| Dec 01 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 28.00 | 100 | 2,800 | 5,103,073 | 5.1 M to 5.1 M (0.00 %) |
| Nov 24 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 25.67 | 8,000 | 205,360 | 5,273,927 | 5.3 M to 5.3 M (-0.15 %) |
| Nov 24 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 25.67 | 8,000 | 205,360 | 5,103,173 | 5.1 M to 5.1 M (-0.16 %) |
| Nov 19 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 26.34 | 8,000 | 210,720 | 5,281,927 | 5.3 M to 5.3 M (-0.15 %) |
| Nov 19 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI JOHN R | President & CEO | Sell | S | 26.34 | 8,000 | 210,720 | 5,111,173 | 5.1 M to 5.1 M (-0.16 %) |
| Nov 24 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 25.67 | 8,000 | 205,360 | 5,103,173 | 5.1 M to 5.1 M (-0.16 %) |
| Nov 24 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 25.67 | 8,000 | 205,360 | 5,273,927 | 5.3 M to 5.3 M (-0.15 %) |
| Nov 24 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 25.67 | 8,000 | 205,360 | 5,103,173 | 5.1 M to 5.1 M (-0.16 %) |
| Nov 24 2003 | MKSI | MKS INSTRUMENTS IN ... | BERTUCCI CLAIRE R | 10% Owner | Sell | S | 25.67 | 8,000 | 205,360 | 5,273,927 | 5.3 M to 5.3 M (-0.15 %) |
| Nov 13 2003 | MKSI | MKS INSTRUMENTS IN ... | KLIMM ROBERT L | V.P. & General Mana ... | Option Exercise | A | 27.11 | 28,000 | 759,080 | 28,000 |