Gerard G. Colella serves as Executive at MKS INSTRUMENTS INC, where they oversee executive responsibilities. Since joining the company, Gerard G. Colella has executed 228 insider transactions totaling $22.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 16, 2011 involved selling 823 shares valued at $24.9K.
Gerard G. Colella currently holds 10,793 shares of MKS INSTRUMENTS INC (MKSI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gerard G. Colella has been a net seller of MKSI stock. They have purchased $117.5K and sold $22.0M worth of shares.
Gerard G. Colella's most recent insider trade was on Feb 16, 2011, when they sold 823 shares at $30.22 per share.
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| $18.44 |
| Discretionary |
| Feb 16, 2011 | MKSI | $13.2K | Sale | 436 | $30.22 | Discretionary |
| Feb 16, 2011 | MKSI | $11.4K | Sale | 375 | $30.29 | Discretionary |
| Feb 16, 2011 | MKSI | $6.8K | Option Exercise | 375 | $18.12 | Discretionary |
| Feb 7, 2011 | MKSI | $705.0K | Option Exercise | 30,000 | $23.50 | Discretionary |
| Feb 7, 2011 | MKSI | $3.1M | Option Exercise | 125,000 | $24.50 | Discretionary |
| Feb 7, 2011 | MKSI | $2.2M | Sale | 74,300 | $30.12 | Discretionary |
| Feb 7, 2011 | MKSI | $1.6M | Sale | 50,700 | $31.03 | Discretionary |
| Feb 7, 2011 | MKSI | $892.2K | Sale | 30,000 | $29.74 | Discretionary |
| Dec 7, 2010 | MKSI | $14.6K | Sale | 680 | $21.50 | Discretionary |
| Sep 17, 2010 | MKSI | $0 | Option Exercise | 1,000 | $N/A | Discretionary |
| Sep 17, 2010 | MKSI | $5.9K | Payment | 318 | $18.59 | Discretionary |
| Jul 29, 2010 | MKSI | $71.2K | Sale | 3,330 | $21.38 | Discretionary |
| Apr 26, 2010 | MKSI | $732.3K | Sale | 30,000 | $24.41 | Discretionary |
| Apr 26, 2010 | MKSI | $517.5K | Option Exercise | 30,000 | $17.25 | Discretionary |
| Mar 16, 2010 | MKSI | $30.0K | Payment | 1,557 | $19.29 | Discretionary |
| Mar 16, 2010 | MKSI | $0 | Option Exercise | 2,041 | $N/A | Discretionary |
| Mar 16, 2010 | MKSI | $0 | Option Exercise | 2,858 | $N/A | Discretionary |
| Mar 11, 2010 | MKSI | $64.2K | Sale | 3,371 | $19.03 | Discretionary |
| Mar 10, 2010 | MKSI | $0 | Option Exercise | 2,917 | $N/A | Discretionary |
| Mar 10, 2010 | MKSI | $0 | Option Exercise | 2,024 | $N/A | Discretionary |
| Mar 10, 2010 | MKSI | $29.9K | Payment | 1,570 | $19.07 | Discretionary |
| Mar 2, 2010 | MKSI | $69.1K | Sale | 3,770 | $18.32 | Discretionary |
| Mar 1, 2010 | MKSI | $30.4K | Payment | 1,658 | $18.35 | Discretionary |
| Mar 1, 2010 | MKSI | $0 | Option Exercise | 4,733 | $N/A | Discretionary |
| Sep 17, 2009 | MKSI | $0 | Option Exercise | 1,000 | $N/A | Discretionary |
| Sep 17, 2009 | MKSI | $6.5K | Payment | 318 | $20.33 | Discretionary |
| Jul 24, 2009 | MKSI | $166.8K | Sale | 8,575 | $19.45 | Discretionary |
| Apr 24, 2009 | MKSI | $127.2K | Sale | 8,000 | $15.90 | Discretionary |