WILLIAM D STEWART Insider Trading Transactions
FREE EMAIL WATCHDOG
Get free email notifications about insider trading for WILLIAM D STEWART.
- Your email is safe with us.
- The service is free and you can unsubscribe at any time.
General | Insider Transactions | Monthly Overview
Get the latest insider transactions of WILLIAM D STEWART. WILLIAM D STEWART is V.P. Vacuum Products & PFMC in MKS INSTRUMENTS INC ($MKSI) and VP, Vacuum Products in MKS INSTRUMENTS INC ($MKSI) and VP/GM, Vacuum Products 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 ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Page: 1
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 24 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | A | 0.00 | 1,684 | 0 | 3,268 | |
| Apr 03 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 6,037 | 0 | 0 | |
| Apr 03 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 5,592 | 0 | 0 | |
| Apr 03 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Payment of Exercise | F | 29.70 | 3,617 | 107,425 | 15,261 | 18.9 K to 15.3 K (-19.16 %) |
| Apr 03 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 6,037 | 0 | 18,878 | 12.8 K to 18.9 K (+47.01 %) |
| Apr 03 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 5,592 | 0 | 12,841 | 7.2 K to 12.8 K (+77.14 %) |
| Mar 19 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 1,400 | 0 | 6,037 | |
| Mar 19 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 1,960 | 0 | 5,592 | |
| Mar 19 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Payment of Exercise | F | 29.60 | 1,046 | 30,962 | 7,249 | 8.3 K to 7.2 K (-12.61 %) |
| Mar 19 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 1,400 | 0 | 8,295 | 6.9 K to 8.3 K (+20.30 %) |
| Mar 19 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 1,960 | 0 | 6,895 | 4.9 K to 6.9 K (+39.72 %) |
| Mar 06 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 2,000 | 0 | 7,437 | |
| Mar 06 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 2,700 | 0 | 7,552 | |
| Mar 06 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Payment of Exercise | F | 28.46 | 1,462 | 41,609 | 4,935 | 6.4 K to 4.9 K (-22.85 %) |
| Mar 06 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 2,000 | 0 | 6,397 | 4.4 K to 6.4 K (+45.49 %) |
| Mar 06 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 2,700 | 0 | 4,397 | 1.7 K to 4.4 K (+159.10 %) |
| Mar 01 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 1,018 | 0 | 9,437 | |
| Mar 01 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | M | 0.00 | 1,446 | 0 | 10,252 | |
| Mar 01 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Payment of Exercise | F | 30.63 | 767 | 23,493 | 1,697 | 2.5 K to 1.7 K (-31.13 %) |
| Mar 01 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 1,018 | 0 | 2,464 | 1.4 K to 2.5 K (+70.40 %) |
| Mar 01 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Buy | M | 0.00 | 1,446 | 0 | 1,446 | 0 to 1.4 K |
| Feb 27 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Option Exercise | J | 0.00 | 122 | 0 | 12,020 | |
| Feb 14 2012 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP/GM, Vacuum Produ ... | Sell | S | 31.98 | 188 | 6,012 | 1 | 189 to 1 (-99.47 %) |
| Aug 10 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Sell | S | 22.47 | 8,575 | 192,637 | 0 | 8.6 K to 0 (-100.00 %) |
| May 04 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 0.00 | 1,000 | 0 | 10,455 | |
| May 04 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Payment of Exercise | F | 25.85 | 311 | 8,039 | 8,575 | 8.9 K to 8.6 K (-3.50 %) |
| May 04 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 0.00 | 1,000 | 0 | 8,886 | 7.9 K to 8.9 K (+12.68 %) |
| Mar 17 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 0.00 | 1,400 | 0 | 11,455 | |
| Mar 17 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 0.00 | 1,960 | 0 | 12,143 | |
| Mar 17 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Payment of Exercise | F | 28.51 | 1,046 | 29,821 | 7,886 | 8.9 K to 7.9 K (-11.71 %) |
| Mar 17 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 0.00 | 1,400 | 0 | 8,932 | 7.5 K to 8.9 K (+18.59 %) |
| Mar 17 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 0.00 | 1,960 | 0 | 7,532 | 5.6 K to 7.5 K (+35.18 %) |
| Mar 14 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 0.00 | 2,000 | 0 | 12,855 | |
| Mar 14 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 0.00 | 1,388 | 0 | 14,103 | |
| Mar 14 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Payment of Exercise | F | 29.53 | 1,054 | 31,125 | 5,572 | 6.6 K to 5.6 K (-15.91 %) |
| Mar 14 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 0.00 | 2,000 | 0 | 6,626 | 4.6 K to 6.6 K (+43.23 %) |
| Mar 14 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 0.00 | 1,388 | 0 | 4,626 | 3.2 K to 4.6 K (+42.87 %) |
| Mar 07 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 0.00 | 2,000 | 0 | 14,855 | |
| Mar 07 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 0.00 | 2,700 | 0 | 15,491 | |
| Mar 07 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Payment of Exercise | F | 32.05 | 1,462 | 46,857 | 3,238 | 4.7 K to 3.2 K (-31.11 %) |
| Mar 07 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 0.00 | 2,000 | 0 | 4,700 | 2.7 K to 4.7 K (+74.07 %) |
| Mar 07 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 0.00 | 2,700 | 0 | 2,700 | 0 to 2.7 K |
| Mar 02 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | A | 0.00 | 4,583 | 0 | 18,191 | |
| Mar 02 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | A | 0.00 | 3,055 | 0 | 16,855 | |
| Feb 22 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | J | 0.00 | 100 | 0 | 13,608 | |
| Feb 11 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Option Exercise | M | 27.11 | 24,000 | 650,640 | 0 | |
| Feb 11 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Sell | S | 30.00 | 24,000 | 720,000 | 0 | 24 K to 0 (-100.00 %) |
| Feb 11 2011 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | VP, Vacuum Products | Buy | M | 27.11 | 24,000 | 650,640 | 24,000 | 0 to 24 K |
| May 19 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | A | 0.00 | 3,000 | 0 | 13,800 | |
| Mar 29 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 14.72 | 1,875 | 27,600 | 0 | |
| Mar 29 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Sell | S | 19.50 | 8,914 | 173,823 | 0 | 8.9 K to 0 (-100.00 %) |
| Mar 29 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 14.72 | 1,875 | 27,600 | 8,914 | 7 K to 8.9 K (+26.64 %) |
| Mar 18 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 0.00 | 1,400 | 0 | 10,800 | |
| Mar 18 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 0.00 | 1,960 | 0 | 13,708 | |
| Mar 18 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Payment of Exercise | F | 19.29 | 1,046 | 20,177 | 7,039 | 8.1 K to 7 K (-12.94 %) |
| Mar 18 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 0.00 | 1,400 | 0 | 8,085 | 6.7 K to 8.1 K (+20.94 %) |
| Mar 18 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 0.00 | 1,960 | 0 | 6,685 | 4.7 K to 6.7 K (+41.48 %) |
| Mar 12 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 0.00 | 2,000 | 0 | 12,200 | |
| Mar 12 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 0.00 | 1,388 | 0 | 15,668 | |
| Mar 12 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Payment of Exercise | F | 19.07 | 1,054 | 20,100 | 4,725 | 5.8 K to 4.7 K (-18.24 %) |
| Mar 12 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 0.00 | 2,000 | 0 | 5,779 | 3.8 K to 5.8 K (+52.92 %) |
| Mar 12 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 0.00 | 1,388 | 0 | 3,779 | 2.4 K to 3.8 K (+58.05 %) |
| Mar 08 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | A | 0.00 | 6,000 | 0 | 14,200 | |
| Mar 08 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | A | 0.00 | 8,400 | 0 | 16,976 | |
| Mar 03 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 0.00 | 3,787 | 0 | 16,856 | |
| Mar 03 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Payment of Exercise | F | 18.35 | 1,396 | 25,617 | 2,391 | 3.8 K to 2.4 K (-36.86 %) |
| Mar 03 2010 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 0.00 | 3,787 | 0 | 3,787 | 0 to 3.8 K |
| Aug 04 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Sell | S | 19.60 | 12,906 | 252,958 | 0 | 12.9 K to 0 (-100.00 %) |
| Mar 18 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | A | 0.00 | 8,400 | 0 | 18,963 | |
| Mar 12 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 0.00 | 3,388 | 0 | 10,563 | |
| Mar 12 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Payment of Exercise | F | 12.19 | 1,054 | 12,848 | 12,906 | 14 K to 12.9 K (-7.55 %) |
| Mar 12 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 0.00 | 3,388 | 0 | 13,960 | 10.6 K to 14 K (+32.05 %) |
| Mar 04 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Option Exercise | M | 0.00 | 3,786 | 0 | 15,787 | |
| Mar 04 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Sell | S | 11.89 | 1,178 | 14,006 | 10,572 | 11.8 K to 10.6 K (-10.03 %) |
| Mar 04 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Buy | M | 0.00 | 3,786 | 0 | 11,750 | 8 K to 11.8 K (+47.54 %) |
| Feb 18 2009 | MKSI | MKS INSTRUMENTS IN ... | STEWART WILLIAM D | V.P. Vacuum Product ... | Payment of Exercise | F | 15.89 | 4,036 | 64,132 | 7,964 | 12 K to 8 K (-33.63 %) |
Page: 1