The following table details the trading activities
(stock purchases, stock sales, and stock option exercises)
reported to the Securities and Exchange Commission (SEC)
by insider Smith John Alexander since year 2005.
The trader's CIK number is 1202768.
At the time of this reporting, Smith John Alexander is the V.P. & Chief Tech Officer of Mks Instruments Inc .
(stock ticker symbol MKSI).
See this page for all insider trading activities at Mks Instruments Inc .
Stock purchases, sales, and option exercises reported by insider Smith John Alexander since 2005.
Trade Date
Symbol
Company Name (Issuer)
Trade Type
Shares
Price ($)
Value ($)
2008-05-21
MKSI
Mks Instruments Inc
Option Exercise
2,187
14.72
32,192
2008-05-22
MKSI
Mks Instruments Inc
Sale
2,187
24.06
52,619
2008-03-17
MKSI
Mks Instruments Inc
Sale
2,457
20.00
49,140
2008-03-01
MKSI
Mks Instruments Inc
Option Exercise
3,154
.00
0
2008-02-27
MKSI
Mks Instruments Inc
Option Exercise
6,563
14.72
96,607
2008-02-27
MKSI
Mks Instruments Inc
Sale
6,563
21.00
137,823
2007-04-30
MKSI
Mks Instruments Inc
Option Exercise
2,187
14.72
32,192
2007-04-30
MKSI
Mks Instruments Inc
Sale
2,187
27.51
60,164
2007-03-12
MKSI
Mks Instruments Inc
Option Exercise
14,116
16.61
234,502
2007-03-12
MKSI
Mks Instruments Inc
Sale
14,116
24.90
351,488
2006-02-21
MKSI
Mks Instruments Inc
Option Exercise
13,125
14.72
193,200
2006-02-21
MKSI
Mks Instruments Inc
Sale
13,125
23.00
301,875
2006-01-27
MKSI
Mks Instruments Inc
Option Exercise
10,000
14.00
140,000
2006-01-27
MKSI
Mks Instruments Inc
Sale
10,000
22.00
220,000
2006-01-26
MKSI
Mks Instruments Inc
Option Exercise
13,000
14.00
182,000
2006-01-26
MKSI
Mks Instruments Inc
Sale
13,000
21.50
279,500
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Smith John Alexander
(V.P. & Chief Tech Officer of Mks Instruments Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.
