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Wed, Feb 10, 2010, 11:45AM IST

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MKS Instruments Inc. (MKSI)

At 2:30AM IST: 18.55USD   Up0.41 (2.26%)   

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HereInsider Trans.
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Insider TransactionsGet Insider Transactions for:
NET SHARE PURCHASE ACTIVITY
Insider Purchases - Last 6 Months
 SharesTrans
PurchasesN/A0
Sales243,40711
Net Shares Purchased
(Sold)		(243,407)11
Total Insider Shares Held2.73M N/A
% Net Shares Purchased
(Sold)		(8.2%) N/A
Net Institutional Purchases - Prior Qtr to Latest Qtr
 Shares
Net Shares Purchased (Sold)(1,781,980)
% Change in Institutional Shares Held(4.0%)
Data provided by Reuters
INSIDER & RULE 144 TRANSACTIONS REPORTED - LAST TWO YEARS
DateInsiderSharesTransactionValue*
1-Jan-10BAGSHAW SETH H
Officer		11,482Statement of OwnershipN/A
1-Dec-09HANLEY PETER
Director		555Option Exercise at $0 per share.N/A
9-Nov-09AMON CRISTINA
Director		556Option Exercise at $0 per share.N/A
6-Nov-09ANDERSON ROBERT R
Director		4,000Sale at $15.77 per share.$63,080
16-Oct-09BERTUCCI JOHN R
Director		25,000Automatic Sale at $19.03 per share.$475,750
15-Oct-09BERTUCCI JOHN R
Director		25,540Automatic Sale at $19.51 per share.$498,285
8-Oct-09LEE JOHN TSENG-CHUNG
Officer		3,750Option Exercise at $0 per share.N/A
8-Oct-09LEE JOHN TSENG-CHUNG
Officer		1,341Automatic Sale at $19.16 per share.$25,693
21-Sep-09BERTUCCI JOHN R
Director		25,817Automatic Sale at $19.87 per share.$512,983
18-Sep-09BERTUCCI JOHN R
Director		50,000Automatic Sale at $20.08 per share.$1,003,999
17-Sep-09COLELLA GERARD G
Officer		1,000Option Exercise at $0 per share.N/A
17-Sep-09COLELLA GERARD G
Officer		318Disposition (Non Open Market) at $20.33 per share.$6,464
14-Sep-09BERLINGHIERI LEO
Officer		6,382Sale at $20.03 per share.$127,831
1-Sep-09HANLEY PETER
Director		556Option Exercise at $18.43 per share.$10,247
18-Aug-09BERTUCCI JOHN R
Director		25,000Automatic Sale at $17.65 per share.$441,249
17-Aug-09BERTUCCI JOHN R
Director		25,000Automatic Sale at $17.53 per share.$438,250
7-Aug-09AMON CRISTINA
Director		555Option Exercise at $0 per share.N/A
3-Aug-09VALENTE LOUIS P
Director		4,000Sale at $19.60 per share.$78,400
3-Aug-09STEWART WILLIAM D
Officer		12,906Sale at $19.60 per share.$252,957
28-Jul-09LEE JOHN TSENG-CHUNG
Officer		6,187Sale at $19.13 per share.$118,357
24-Jul-09COLELLA GERARD G
Officer		8,575Sale at $19.45 per share.$166,783
22-Jul-09BERTUCCI JOHN R
Director		25,000Automatic Sale at $18.33 per share.$458,249
24-Jun-09BERTUCCI JOHN R
Director		750,000Acquisition (Non Open Market) at $0 per share.N/A
24-Jun-09BERTUCCI JOHN R
Director		750,000Disposition (Non Open Market) at $0 per share.N/A
1-Jun-09HANLEY PETER
Director		555Option Exercise at $14.37 per share.$7,975
7-May-09AMON CRISTINA
Director		556Option Exercise at $0 per share.N/A
4-May-09BEECHER GREGORY R
Director		4,000Acquisition (Non Open Market) N/A
4-May-09KAHL HANS JOCHEN
Director		4,000Acquisition (Non Open Market) N/A
4-May-09AMON CRISTINA
Director		4,000Acquisition (Non Open Market) N/A
4-May-09CHUTE RICHARD S
Director		4,000Acquisition (Non Open Market) N/A
4-May-09CHUTE RICHARD S
Director		4,000Sale at $15.28 per share.$61,120
4-May-09ANDERSON ROBERT R
Director		4,000Acquisition (Non Open Market) N/A
4-May-09VALENTE LOUIS P
Director		4,000Acquisition (Non Open Market) N/A
4-May-09HANLEY PETER
Director		4,000Acquisition (Non Open Market) N/A
4-May-09BERTUCCI JOHN R
Director		4,000Acquisition (Non Open Market) N/A
24-Apr-09COLELLA GERARD G
Officer		8,000Sale at $15.90 per share.$127,200
18-Mar-09VALENTE LOUIS P
Director		10,500Option Exercise at $14 per share.$147,000
18-Mar-09VALENTE LOUIS P
Director		10,500Automatic Sale at $14.35 per share.$150,675
13-Mar-09HANLEY PETER
Director		556Sale at $13.54 per share.$7,528
12-Mar-09SMITH JOHN ALEXANDER
Officer		4,078Sale at $13.23 per share.$53,951
10-Mar-09LEE JOHN TSENG-CHUNG
Officer		3,529Option Exercise at $0 per share.N/A
10-Mar-09LEE JOHN TSENG-CHUNG
Officer		1,350Automatic Sale at $12.19 per share.$16,456
10-Mar-09COLELLA GERARD G
Officer		4,940Option Exercise at $0 per share.N/A
10-Mar-09COLELLA GERARD G
Officer		1,569Automatic Sale at $12.19 per share.$19,126
10-Mar-09WEIGNER RONALD
Officer		2,822Option Exercise at $0 per share.N/A
10-Mar-09WEIGNER RONALD
Officer		897Automatic Sale at $12.19 per share.$10,934
10-Mar-09STEWART WILLIAM D
Officer		3,388Option Exercise at $0 per share.N/A
10-Mar-09STEWART WILLIAM D
Officer		1,054Automatic Sale at $12.19 per share.$12,848
10-Mar-09SMITH JOHN ALEXANDER
Officer		2,822Option Exercise at $0 per share.N/A
10-Mar-09SMITH JOHN ALEXANDER
Officer		897Automatic Sale at $12.19 per share.$10,934
10-Mar-09BERLINGHIERI LEO
Officer		14,738Option Exercise at $0 per share.N/A
10-Mar-09BERLINGHIERI LEO
Officer		4,681Automatic Sale at $12.19 per share.$57,061
2-Mar-09LEE JOHN TSENG-CHUNG
Officer		3,750Option Exercise at $0 per share.N/A
2-Mar-09LEE JOHN TSENG-CHUNG
Officer		1,574Sale at $11.89 per share.$18,714
2-Mar-09COLELLA GERARD G
Officer		4,733Option Exercise at $0 per share.N/A
2-Mar-09COLELLA GERARD G
Officer		1,503Sale at $11.89 per share.$17,870
2-Mar-09WEIGNER RONALD
Officer		3,156Option Exercise at $0 per share.N/A
2-Mar-09WEIGNER RONALD
Officer		1,003Sale at $11.89 per share.$11,925
2-Mar-09STEWART WILLIAM D
Officer		3,786Option Exercise at $0 per share.N/A
2-Mar-09STEWART WILLIAM D
Officer		1,178Sale at $11.89 per share.$14,006
2-Mar-09SMITH JOHN ALEXANDER
Officer		3,156Option Exercise at $0 per share.N/A
2-Mar-09SMITH JOHN ALEXANDER
Officer		1,003Sale at $11.89 per share.$11,925
2-Mar-09BERLINGHIERI LEO
Officer		11,043Option Exercise at $0 per share.N/A
2-Mar-09BERLINGHIERI LEO
Officer		3,507Sale at $11.89 per share.$41,698
2-Mar-09HANLEY PETER
Director		556Option Exercise at $0 per share.N/A
17-Feb-09SMITH JOHN ALEXANDER
Officer		6,548Sale at $15.61 per share.$102,214
13-Feb-09COLELLA GERARD G
Officer		4,708Automatic Sale at $15.89 per share.$74,810
13-Feb-09WEIGNER RONALD
Officer		3,476Automatic Sale at $15.89 per share.$55,233
13-Feb-09STEWART WILLIAM D
Officer		4,036Automatic Sale at $15.89 per share.$64,132
13-Feb-09SMITH JOHN ALEXANDER
Officer		3,452Automatic Sale at $15.89 per share.$54,852
13-Feb-09BERLINGHIERI LEO
Officer		8,147Automatic Sale at $15.89 per share.$129,455
9-Feb-09AMON CRISTINA
Director		555Option Exercise at $0 per share.N/A
6-Feb-09VALENTE LOUIS P
Director		6,000Option Exercise at $14.40 per share.$86,400
6-Feb-09VALENTE LOUIS P
Director		6,000Sale at $15.15 per share.$90,900
10-Dec-08HANLEY PETER
Director		1,111Disposition (Non Open Market) at $14.87 per share.$16,520
1-Dec-08HANLEY PETER
Director		555Option Exercise at $0 per share.N/A
7-Nov-08AMON CRISTINA
Director		556Option Exercise at $0 per share.N/A
3-Nov-08LEE JOHN TSENG-CHUNG
Officer		2,409Disposition (Non Open Market) at $18.30 per share.$44,084
15-Oct-08BERTUCCI JOHN R
Director		10,000Sale at $17.50 per share.$175,000
14-Oct-08BERTUCCI JOHN R
Director		25,000Sale at $18.03 per share.$450,750
8-Oct-08LEE JOHN TSENG-CHUNG
Officer		3,750Option Exercise at $16.84 per share.$63,150
8-Oct-08LEE JOHN TSENG-CHUNG
Officer		1,341Disposition (Non Open Market) at $16.84 per share.$22,582
18-Sep-08BERTUCCI JOHN R
Director		50,000Sale at $20.16 per share.$1,008,000
17-Sep-08COLELLA GERARD G
Officer		1,000Acquisition (Non Open Market) at $0 per share.N/A
17-Sep-08BERTUCCI JOHN R
Director		50,000Sale at $20.32 per share.$1,016,000
2-Sep-08HANLEY PETER
Director		556Option Exercise at $22.55 per share.$12,537
22-Aug-08BERTUCCI JOHN R
Director		75,000Sale at $22.60 per share.$1,695,000
21-Aug-08BERTUCCI JOHN R
Director		75,000Sale at $22.49 per share.$1,686,749
7-Aug-08AMON CRISTINA
Director		555Option Exercise at $21.59 per share.$11,982
4-Aug-08BERLINGHIERI LEO
Officer		15,657Disposition (Non Open Market) at $20.81 per share.$325,822
30-Jul-08COLELLA GERARD G
Officer		2,188Option Exercise at $14.72 per share.$32,207
30-Jul-08COLELLA GERARD G
Officer		2,188Sale at $21.07 per share.$46,101
28-Jul-08BERTUCCI JOHN R
Director		26,700Automatic Sale at $19.91 per share.$531,597
25-Jul-08BERTUCCI JOHN R
Director		50,000Automatic Sale at $20.48 per share.$1,024,000
24-Jun-08BERTUCCI JOHN R
Director		73,432Automatic Sale at $22.56 per share.$1,656,625
23-Jun-08BERTUCCI JOHN R
Director		70,000Automatic Sale at $22.66 per share.$1,586,200
13-Jun-08ANDERSON ROBERT R
Director		4,000Sale at $24.20 per share.$96,800
12-Jun-08HANLEY PETER
Director		555Sale at $23.87 per share.$13,247
5-Jun-08WEIGNER RONALD
Officer		695Sale at $24.15 per share.$16,784
2-Jun-08HANLEY PETER
Director		555Option Exercise at $0 per share.N/A
28-May-08BERTUCCI JOHN R
Director		75,000Automatic Sale at $23.29 per share.$1,746,750
27-May-08BERTUCCI JOHN R
Director		75,000Automatic Sale at $23.86 per share.$1,789,500
22-May-08SMITH JOHN ALEXANDER
Officer		2,187Sale at $24.06 per share.$52,619
21-May-08SMITH JOHN ALEXANDER
Officer		2,187Option Exercise at $14.72 per share.$32,192
19-May-08STEWART WILLIAM D
Officer		7,500Option Exercise at $14.72 per share.$110,400
19-May-08STEWART WILLIAM D
Officer		7,500Sale at $25.64 per share.$192,300
15-May-08ANDERSON ROBERT R
Director		10,000Sale at $25.02 per share.$250,200
13-May-08KAHL HANS JOCHEN
Director		2,987Sale at $24.77 per share.$73,987
9-May-08WEIGNER RONALD
Officer		1,991Sale at $24.09 per share.$47,963
8-May-08KAHL HANS JOCHEN
Director		4,000Sale at $23.85 per share.$95,400
8-May-08VALENTE LOUIS P
Director		4,000Sale at $24.12 per share.$96,480
7-May-08AMON CRISTINA
Director		556Option Exercise at $0 per share.N/A
6-May-08CHUTE RICHARD S
Director		4,000Sale at $23.37 per share.$93,480
6-May-08BEECHER GREGORY R
Director		1,600Sale at $23.87 per share.$38,192
6-May-08COLELLA GERARD G
Officer		2,187Option Exercise at $14.72 per share.$32,192
6-May-08COLELLA GERARD G
Officer		2,187Sale at $23.60 per share.$51,613
5-May-08BEECHER GREGORY R
Director		4,000Acquisition (Non Open Market) at $0 per share.N/A
5-May-08AMON CRISTINA
Director		4,000Acquisition (Non Open Market) at $0 per share.N/A
5-May-08CHUTE RICHARD S
Director		4,000Acquisition (Non Open Market) at $0 per share.N/A
5-May-08ANDERSON ROBERT R
Director		4,000Acquisition (Non Open Market) at $0 per share.N/A
5-May-08VALENTE LOUIS P
Director		4,000Acquisition (Non Open Market) at $0 per share.N/A
5-May-08KAHL HANS JOCHEN
Director		4,000Acquisition (Non Open Market) at $0 per share.N/A
5-May-08BERTUCCI JOHN R
Director		4,000Acquisition (Non Open Market) at $0 per share.N/A
4-May-08BEECHER GREGORY R
Director		4,000Option Exercise at $0 per share.N/A
4-May-08CHUTE RICHARD S
Director		4,000Option Exercise at $0 per share.N/A
4-May-08ANDERSON ROBERT R
Director		4,000Option Exercise at $0 per share.N/A
4-May-08VALENTE LOUIS P
Director		4,000Option Exercise at $0 per share.N/A
4-May-08KAHL HANS JOCHEN
Director		4,000Option Exercise at $0 per share.N/A
1-May-08BERTUCCI CLAIRE R
Other		75,000Automatic Sale at $23.72 per share.$1,779,000
1-May-08BERTUCCI JOHN R
Director		75,000Automatic Sale at $23.72 per share.$1,779,000
30-Apr-08BERTUCCI CLAIRE R
Other		75,000Automatic Sale at $23.30 per share.$1,747,500
30-Apr-08BERTUCCI JOHN R
Director		75,000Automatic Sale at $23.30 per share.$1,747,500
29-Apr-08BERLINGHIERI LEO
Officer		60,000Option Exercise at $0 per share.N/A
29-Apr-08BERLINGHIERI LEO
Officer		60,000Sale at $24.07 per share.$1,444,200
4-Apr-08BERTUCCI CLAIRE R
Other		75,000Automatic Sale at $22.65 per share.$1,698,750
4-Apr-08BERTUCCI JOHN R
Director		75,000Automatic Sale at $22.65 per share.$1,698,750
3-Apr-08BERTUCCI CLAIRE R
Other		75,000Automatic Sale at $22.78 per share.$1,708,500
3-Apr-08BERTUCCI JOHN R
Director		75,000Automatic Sale at $22.78 per share.$1,708,500
17-Mar-08SMITH JOHN ALEXANDER
Officer		2,457Sale at $20 per share.$49,140
10-Mar-08BERTUCCI CLAIRE R
Other		46,374Automatic Sale at $19.96 per share.$925,625
10-Mar-08BERTUCCI JOHN R
Director		46,374Automatic Sale at $19.96 per share.$925,625
7-Mar-08BERTUCCI CLAIRE R
Other		50,000Automatic Sale at $20.02 per share.$1,001,000
7-Mar-08BERTUCCI JOHN R
Director		50,000Automatic Sale at $20.02 per share.$1,001,000
6-Mar-08COLELLA GERARD G
Officer		3,199Sale at $20.25 per share.$64,779
1-Mar-08COLELLA GERARD G
Officer		4,733Option Exercise at $0 per share.N/A
1-Mar-08COLELLA GERARD G
Officer		1,534Disposition (Non Open Market) at $0 per share.N/A
1-Mar-08WEIGNER RONALD
Officer		3,154Option Exercise at $0 per share.N/A
1-Mar-08WEIGNER RONALD
Officer		1,163Disposition (Non Open Market) at $0 per share.N/A
1-Mar-08STEWART WILLIAM D
Officer		3,786Option Exercise at $0 per share.N/A
1-Mar-08STEWART WILLIAM D
Officer		1,347Disposition (Non Open Market) at $0 per share.N/A
1-Mar-08SMITH JOHN ALEXANDER
Officer		3,154Option Exercise at $0 per share.N/A
1-Mar-08SMITH JOHN ALEXANDER
Officer		1,144Disposition (Non Open Market) at $0 per share.N/A
1-Mar-08BERLINGHIERI LEO
Officer		11,043Option Exercise at $0 per share.N/A
1-Mar-08BERLINGHIERI LEO
Officer		3,533Disposition (Non Open Market) at $0 per share.N/A
27-Feb-08SMITH JOHN ALEXANDER
Officer		6,563Option Exercise at $14.72 per share.$96,607
27-Feb-08SMITH JOHN ALEXANDER
Officer		6,563Sale at $21 per share.$137,823
21-Feb-08COLELLA GERARD G
Officer		4,375Option Exercise at $14.72 per share.$64,400
21-Feb-08COLELLA GERARD G
Officer		4,375Sale at $20.26 per share.$88,637
7-Feb-08AMON CRISTINA
Director		555Option Exercise at $0 per share.N/A
5-Feb-08BERTUCCI CLAIRE R
Other		25,000Automatic Sale at $18.83 per share.$470,749
5-Feb-08BERTUCCI JOHN R
Director		25,000Automatic Sale at $18.83 per share.$470,749
4-Feb-08BERTUCCI CLAIRE R
Other		25,000Automatic Sale at $19.24 per share.$480,999
4-Feb-08BERTUCCI JOHN R
Director		25,000Automatic Sale at $19.24 per share.$480,999
Data provided by EDGAR Online
* = Where indicated, some values are estimates.
1 = Potential proceeds estimated by the filer.
2 = Estimated based on the average of multiple prices reported.
3 = Multiple dates reported. Most recent date shown.
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