WILLIAM D STEWART Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of WILLIAM D STEWART. WILLIAM D STEWART is V.P. & General Manager in MKS INSTRUMENTS INC ($MKSI).
Latest Insider Trading Transactions of WILLIAM D STEWART
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 12 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 133 | 0 | 11,000 | |
| Jun 12 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.40 | 133 | 3,644 | 12,663 | 12.8 K to 12.7 K (-1.04 %) |
| Jun 12 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 133 | 3,259 | 12,796 | 12.7 K to 12.8 K (+1.05 %) |
| Jun 06 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 7,448 | 0 | 11,133 | |
| Jun 06 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.40 | 7,448 | 204,075 | 12,663 | 20.1 K to 12.7 K (-37.03 %) |
| Jun 06 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 7,448 | 182,476 | 20,111 | 12.7 K to 20.1 K (+58.82 %) |
| Jun 06 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 15,990 | 0 | 3,565 | |
| Jun 06 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.42 | 15,990 | 438,446 | 12,663 | 28.7 K to 12.7 K (-55.81 %) |
| Jun 06 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 15,990 | 391,755 | 28,653 | 12.7 K to 28.7 K (+126.27 %) |
| Jun 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 20,000 | 0 | 19,555 | |
| Jun 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.23 | 10,000 | 272,300 | 12,663 | 22.7 K to 12.7 K (-44.12 %) |
| Jun 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.19 | 10,000 | 271,900 | 22,663 | 32.7 K to 22.7 K (-30.62 %) |
| Jun 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 20,000 | 490,000 | 32,663 | 12.7 K to 32.7 K (+157.94 %) |
| May 24 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 13,700 | 0 | 3,565 | |
| May 24 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 4,125 | 0 | 17,265 | |
| May 24 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.05 | 17,825 | 482,166 | 12,663 | 30.5 K to 12.7 K (-58.47 %) |
| May 24 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 13,700 | 335,650 | 30,488 | 16.8 K to 30.5 K (+81.61 %) |
| May 24 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 23.50 | 4,125 | 96,938 | 16,788 | 12.7 K to 16.8 K (+32.58 %) |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 6,300 | 0 | 21,390 | |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 5,500 | 0 | 27,690 | |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 1,875 | 0 | 33,190 | |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 9,375 | 0 | 35,065 | |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.10 | 23,050 | 624,655 | 12,663 | 35.7 K to 12.7 K (-64.54 %) |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 6,300 | 154,350 | 35,713 | 29.4 K to 35.7 K (+21.42 %) |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 23.50 | 5,500 | 129,250 | 29,413 | 23.9 K to 29.4 K (+23.00 %) |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 14.72 | 1,875 | 27,600 | 23,913 | 22 K to 23.9 K (+8.51 %) |
| May 22 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 17.74 | 9,375 | 166,313 | 22,038 | 12.7 K to 22 K (+74.03 %) |
| May 08 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 1,972 | 0 | 44,440 | |
| May 08 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.60 | 1,972 | 54,427 | 12,663 | 14.6 K to 12.7 K (-13.47 %) |
| May 08 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 1,972 | 48,314 | 14,635 | 12.7 K to 14.6 K (+15.57 %) |
| May 07 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 24,557 | 0 | 46,412 | |
| May 07 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.60 | 24,557 | 677,773 | 12,663 | 37.2 K to 12.7 K (-65.98 %) |
| May 07 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 24,557 | 601,647 | 37,220 | 12.7 K to 37.2 K (+193.93 %) |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 34,900 | 0 | 70,969 | |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 15,375 | 0 | 105,869 | |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 1,875 | 0 | 121,244 | |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 3,750 | 0 | 123,119 | |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 27.60 | 55,900 | 1,542,840 | 12,663 | 68.6 K to 12.7 K (-81.53 %) |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 24.50 | 34,900 | 855,050 | 68,563 | 33.7 K to 68.6 K (+103.67 %) |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 23.50 | 15,375 | 361,313 | 33,663 | 18.3 K to 33.7 K (+84.07 %) |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 16.88 | 1,875 | 31,650 | 18,288 | 16.4 K to 18.3 K (+11.42 %) |
| May 04 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 14.72 | 3,750 | 55,200 | 16,413 | 12.7 K to 16.4 K (+29.61 %) |
| Apr 17 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 28,125 | 0 | 126,869 | |
| Apr 17 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 26.87 | 2,225 | 59,786 | 12,663 | 14.9 K to 12.7 K (-14.94 %) |
| Apr 17 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 26.85 | 13,900 | 373,215 | 14,888 | 28.8 K to 14.9 K (-48.28 %) |
| Apr 17 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 26.86 | 9,400 | 252,484 | 28,788 | 38.2 K to 28.8 K (-24.62 %) |
| Apr 17 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 26.86 | 1,600 | 42,976 | 38,188 | 39.8 K to 38.2 K (-4.02 %) |
| Apr 17 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 26.85 | 1,000 | 26,850 | 39,788 | 40.8 K to 39.8 K (-2.45 %) |
| Apr 17 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 17.74 | 28,125 | 498,938 | 40,788 | 12.7 K to 40.8 K (+222.10 %) |
| Mar 05 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | A | 0.00 | 12,000 | 0 | 12,000 | |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 37,500 | 0 | 154,994 | |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 15,000 | 0 | 192,494 | |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 3,750 | 0 | 207,494 | |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 24.25 | 37,500 | 909,375 | 12,663 | 50.2 K to 12.7 K (-74.76 %) |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 17.74 | 37,500 | 665,250 | 50,163 | 12.7 K to 50.2 K (+296.14 %) |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 24.31 | 15,000 | 364,650 | 12,663 | 27.7 K to 12.7 K (-54.22 %) |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 14.72 | 15,000 | 220,800 | 27,663 | 12.7 K to 27.7 K (+118.46 %) |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 24.31 | 3,750 | 91,163 | 12,663 | 16.4 K to 12.7 K (-22.85 %) |
| Feb 16 2007 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 16.88 | 3,750 | 63,300 | 16,413 | 12.7 K to 16.4 K (+29.61 %) |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 381 | 0 | 211,244 | |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 24,375 | 0 | 211,625 | |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 490 | 0 | 236,000 | |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 926 | 0 | 236,490 | |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | M | 0.00 | 30,000 | 0 | 237,416 | |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Sell | S | 23.86 | 56,172 | 1,340,264 | 12,663 | 68.8 K to 12.7 K (-81.60 %) |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 17.60 | 381 | 6,706 | 68,835 | 68.5 K to 68.8 K (+0.56 %) |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 16.88 | 24,375 | 411,450 | 68,454 | 44.1 K to 68.5 K (+55.30 %) |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 18.44 | 490 | 9,036 | 44,079 | 43.6 K to 44.1 K (+1.12 %) |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 20.02 | 926 | 18,539 | 43,589 | 42.7 K to 43.6 K (+2.17 %) |
| Apr 21 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Buy | M | 17.25 | 30,000 | 517,500 | 42,663 | 12.7 K to 42.7 K (+236.91 %) |
| Feb 15 2006 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Grant | A | 0.00 | 12,000 | 0 | 12,663 | 663 to 12.7 K (+1,809.95 %) |
| Feb 16 2005 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. & General Mana ... | Option Exercise | A | 0.00 | 37,500 | 0 | 229,916 | |
| 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 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 %) |
| 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 |
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