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 Anderson Robert R since year 2005.
The trader's CIK number is 1202728.
At the time of this reporting, Anderson Robert R is the Director of Mks Instruments Inc .
(stock ticker symbol MKSI).
See this page for all insider trading activities at Mks Instruments Inc .
Note that in the past ANDERSON ROBERT R also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Anderson Robert R since 2005.
Trade Date
Symbol
Company Name (Issuer)
Trade Type
Shares
Price ($)
Value ($)
2008-05-15
MKSI
Mks Instruments Inc
Sale
10,000
25.02
250,200
2008-05-04
MKSI
Mks Instruments Inc
Option Exercise
4,000
.00
0
2008-04-09
AEHR
Aehr Test Systems
Option Exercise
5,000
3.85
19,250
2008-04-09
AEHR
Aehr Test Systems
Sale
5,000
9.13
45,657
2007-05-08
MKSI
Mks Instruments Inc
Sale
10,000
27.45
274,500
2008-03-04
AVZA
Aviza Technology, Inc.
Purchase
25,000
.64
15,900
2007-12-05
AVZA
Aviza Technology, Inc.
Purchase
12,055
1.87
22,542
2007-11-06
AEHR
Aehr Test Systems
Option Exercise
15,000
6.00
90,000
2007-08-31
AVZA
Aviza Technology, Inc.
Purchase
10,000
3.50
35,000
2007-08-22
AVZA
Aviza Technology, Inc.
Purchase
700
3.55
2,485
2007-08-23
AVZA
Aviza Technology, Inc.
Purchase
11,445
3.70
42,403
2007-05-14
MKSI
Mks Instruments Inc
Option Exercise
11,250
20.13
226,462
2007-05-14
MKSI
Mks Instruments Inc
Sale
11,250
27.20
306,000
2006-07-26
AEHR
Aehr Test Systems
Sale
7,476
7.68
57,453
2006-07-27
AEHR
Aehr Test Systems
Sale
2,517
7.68
19,330
2006-07-26
AEHR
Aehr Test Systems
Option Exercise
7,476
2.84
21,231
2006-07-27
AEHR
Aehr Test Systems
Option Exercise
2,517
2.84
7,148
2005-07-25
AEHR
Aehr Test Systems
Purchase
10,000
2.70
26,990
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 Anderson Robert R
(Director of Mks Instruments Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.
