John R. Bertucci serves as Executive at MKS INSTRUMENTS INC, where they oversee executive responsibilities. Since joining the company, John R. Bertucci has executed 178 insider transactions totaling $157.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 11, 2010 involved selling 75,000 shares valued at $1.5M.
John R. Bertucci currently holds 67,275.43 shares of MKS INSTRUMENTS INC (MKSI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John R. Bertucci has been a net seller of MKSI stock. They have purchased $0 and sold $157.3M worth of shares.
John R. Bertucci's most recent insider trade was on May 11, 2010, when they sold 75,000 shares at $20.30 per share.
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| $N/A |
| Discretionary |
| Apr 15, 2010 | MKSI | $1.6M | Sale | 75,000 | $21.15 | Discretionary |
| Apr 14, 2010 | MKSI | $1.6M | Sale | 75,000 | $20.80 | Discretionary |
| Mar 19, 2010 | MKSI | $43.5K | Sale | 2,289 | $19.00 | Discretionary |
| Mar 18, 2010 | MKSI | $217.4K | Sale | 11,437 | $19.01 | Discretionary |
| Feb 22, 2010 | MKSI | $790.8K | Sale | 41,599 | $19.01 | Discretionary |
| Feb 19, 2010 | MKSI | $838.2K | Sale | 44,091 | $19.01 | Discretionary |
| Dec 10, 2009 | MKSI | $0 | Gift | 30,000 | $N/A | Discretionary |
| Dec 9, 2009 | MKSI | $0 | Gift | 130,000 | $N/A | Discretionary |
| Dec 9, 2009 | MKSI | $0 | Gift | 30,000 | $N/A | Discretionary |
| Oct 16, 2009 | MKSI | $475.8K | Sale | 25,000 | $19.03 | Discretionary |
| Oct 15, 2009 | MKSI | $498.3K | Sale | 25,540 | $19.51 | Discretionary |
| Sep 21, 2009 | MKSI | $513.0K | Sale | 25,817 | $19.87 | Discretionary |
| Sep 18, 2009 | MKSI | $1.0M | Sale | 50,000 | $20.08 | Discretionary |
| Aug 18, 2009 | MKSI | $441.3K | Sale | 25,000 | $17.65 | Discretionary |
| Aug 17, 2009 | MKSI | $438.3K | Sale | 25,000 | $17.53 | Discretionary |
| Jul 22, 2009 | MKSI | $458.3K | Sale | 25,000 | $18.33 | Discretionary |
| Jun 24, 2009 | MKSI | $0 | Other | 750,000 | $N/A | Discretionary |
| Jun 24, 2009 | MKSI | $0 | Other | 750,000 | $N/A | Discretionary |
| May 4, 2009 | MKSI | $0 | Award | 4,000 | $N/A | Discretionary |
| Oct 15, 2008 | MKSI | $175.0K | Sale | 10,000 | $17.50 | Discretionary |
| Oct 14, 2008 | MKSI | $450.8K | Sale | 25,000 | $18.03 | Discretionary |
| Sep 18, 2008 | MKSI | $1.0M | Sale | 50,000 | $20.16 | Discretionary |
| Sep 17, 2008 | MKSI | $1.0M | Sale | 50,000 | $20.32 | Discretionary |
| Aug 22, 2008 | MKSI | $1.7M | Sale | 75,000 | $22.60 | Discretionary |
| Aug 21, 2008 | MKSI | $1.7M | Sale | 75,000 | $22.49 | Discretionary |
| Jul 28, 2008 | MKSI | $531.6K | Sale | 26,700 | $19.91 | Discretionary |
| Jul 25, 2008 | MKSI | $1.0M | Sale | 50,000 | $20.48 | Discretionary |
| Jun 24, 2008 | MKSI | $1.7M | Sale | 73,432 | $22.56 | Discretionary |