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    MKS Instruments, Inc. (MKSI)

    -NasdaqGS
    33.70 Up 0.08(0.24%) 3:59PM EDT
    |After Hours : 33.70 Down 0.00 (0.01%) 4:41PM EDT
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    Insider TransactionsGet Insider Transactions for:
    Net Share Purchase Activity
    Insider Purchases - Last 6 Months
     SharesTrans
    PurchasesN/A0
    Sales50,11514
    Net Shares Purchased
    (Sold)
    (50,115)14
    Total Insider Shares Held1.04MN/A
    % Net Shares Purchased
    (Sold)
    (4.6%)N/A
    Net Institutional Purchases - Prior Qtr to Latest Qtr
     Shares
    Net Shares Purchased
    (Sold)
    (4,669,880)
    % Change in Institutional Shares Held(9.41%)
    Data provided by Thomson Financial


    Insider Transactions Reported - Last Two Years
    DateInsiderSharesTypeTransactionValue*
    Jul 15, 2015CHUTE RICHARD SDirector12,000DirectAutomatic Sale at $36.68 per share.440,160
    Jul 15, 2015CHUTE RICHARD SDirector12,000DirectOption Exercise at $24.35 per share.292,200
    Jun 18, 2015BERTUCCI JOHN RDirector26,000DirectDisposition (Non Open Market) at $0 per share.N/A
    May 29, 2015ABRAMS JOHN ROfficer346DirectAcquisition (Non Open Market) at $30.74 per share.10,636
    May 29, 2015BAGSHAW SETH HOfficer346DirectAcquisition (Non Open Market) at $30.74 per share.10,636
    May 29, 2015LEE JOHN TSENG-CHUNGOfficer346DirectAcquisition (Non Open Market) at $30.74 per share.10,636
    May 28, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $37.50 per share.18,750
    May 28, 2015HANLEY PETERDirector1,600DirectSale at $37.72 per share.60,352
    May 21, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $37.32 per share.18,660
    May 14, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $36.33 per share.18,165
    May 14, 2015LEE JOHN TSENG-CHUNGOfficer10,747DirectSale at $36.36 per share.390,760
    May 7, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $34.78 per share.17,390
    May 4, 2015AMON CRISTINADirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015ANDERSON ROBERT RDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015CHUTE RICHARD SDirector3,000DirectAutomatic Sale at $35.46 per share.106,380
    May 4, 2015BERTUCCI JOHN RDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015BEECHER GREGORY RDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015CHUTE RICHARD SDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015MORA ELIZABETHDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015MORA ELIZABETHDirector2,800DirectSale at $35.39 per share.99,092
    May 4, 2015HANLEY PETERDirector3,959DirectAcquisition (Non Open Market) N/A
    Apr 30, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $35.73 per share.17,865
    Apr 27, 2015COLELLA GERARD GOfficer5,000DirectAutomatic Sale at $36.08 per share.180,400
    Apr 23, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $36.25 per share.18,125
    Apr 16, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.90 per share.16,950
    Apr 9, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.63 per share.16,815
    Apr 6, 2015ABRAMS JOHN ROfficer489DirectAutomatic Sale at $33.81 per share.16,533
    Apr 6, 2015HANLEY PETERDirector325DirectAutomatic Sale at $33.34 per share.10,835
    Apr 6, 2015ABRAMS JOHN ROfficer1,503DirectOption Exercise N/A
    Apr 2, 2015QUIRK BRIAN CHARLESOfficer2,469DirectOption Exercise at $33.74 per share.83,304
    Apr 2, 2015QUIRK BRIAN CHARLESOfficer803DirectAutomatic Sale at $33.74 per share.27,093
    Apr 2, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.60 per share.16,800
    Mar 26, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.74 per share.16,870
    Mar 19, 2015ANDERSON ROBERT RDirector500DirectSale at $35.85 per share.17,925
    Mar 12, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $34.60 per share.17,300
    Mar 6, 2015HANLEY PETERDirector325DirectAutomatic Sale at $34.98 per share.11,368
    Mar 2, 2015CHUTE RICHARD SDirector12,000DirectAutomatic Sale at $35.58 per share.426,960
    Mar 2, 2015CHUTE RICHARD SDirector12,000DirectOption Exercise at $15.84 per share.190,080
    Feb 25, 2015BAGSHAW SETH HOfficer2,850DirectAutomatic Sale at $35.83 per share.102,115
    Feb 25, 2015QUIRK BRIAN CHARLESOfficer4,676DirectOption Exercise at $35.83 per share.167,541
    Feb 25, 2015BAGSHAW SETH HOfficer8,767DirectOption Exercise N/A
    Feb 25, 2015COLELLA GERARD GOfficer5,410DirectAutomatic Sale at $35.83 per share.193,840
    Feb 25, 2015LEE JOHN TSENG-CHUNGOfficer1,616DirectAutomatic Sale at $35.83 per share.57,901
    Feb 25, 2015LEE JOHN TSENG-CHUNGOfficer4,968DirectOption Exercise N/A
    Feb 25, 2015QUIRK BRIAN CHARLESOfficer1,520DirectAutomatic Sale at $35.83 per share.54,461
    Feb 25, 2015COLELLA GERARD GOfficer11,689DirectOption Exercise N/A
    Feb 23, 2015BAGSHAW SETH HOfficer5,235DirectOption Exercise N/A
    Feb 23, 2015LEE JOHN TSENG-CHUNGOfficer1,064DirectAutomatic Sale at $35.60 per share.37,878
    Feb 23, 2015LEE JOHN TSENG-CHUNGOfficer3,273DirectOption Exercise N/A
    Feb 23, 2015BAGSHAW SETH HOfficer3,817DirectAutomatic Sale at $35.30 - $35.6 per share.135,0002
    Feb 23, 2015COLELLA GERARD GOfficer2,341DirectAutomatic Sale at $35.60 per share.83,339
    Feb 23, 2015COLELLA GERARD GOfficer7,198DirectOption Exercise N/A
    Feb 17, 2015COLELLA GERARD GOfficer6,000DirectAutomatic Sale at $35.30 per share.211,800
    Feb 10, 2015COLELLA GERARD GOfficer20,085DirectOption Exercise N/A
    Feb 10, 2015QUIRK BRIAN CHARLESOfficer5,021DirectOption Exercise N/A
    Feb 10, 2015QUIRK BRIAN CHARLESOfficer1,741DirectAutomatic Sale at $35.86 per share.62,432
    Feb 10, 2015COLELLA GERARD GOfficer6,594DirectAutomatic Sale at $35.86 per share.236,460
    Feb 10, 2015LEE JOHN TSENG-CHUNGOfficer7,173DirectOption Exercise N/A
    Feb 10, 2015LEE JOHN TSENG-CHUNGOfficer2,417DirectAutomatic Sale at $35.86 per share.86,673
    Feb 10, 2015BAGSHAW SETH HOfficer10,760DirectOption Exercise N/A
    Feb 10, 2015ABRAMS JOHN ROfficer1,060DirectAutomatic Sale at $35.86 per share.38,011
    Feb 10, 2015BAGSHAW SETH HOfficer5,213DirectAutomatic Sale at $35.78 - $35.86 per share.187,0002
    Feb 10, 2015ABRAMS JOHN ROfficer2,868DirectOption Exercise N/A
    Feb 6, 2015HANLEY PETERDirector325DirectAutomatic Sale at $36.02 per share.11,706
    Jan 30, 2015QUIRK BRIAN CHARLESOfficer1,041DirectAutomatic Sale at $36.09 per share.37,569
    Jan 23, 2015QUIRK BRIAN CHARLESOfficer1,040DirectAutomatic Sale at $34.76 per share.36,150
    Jan 22, 2015BERTUCCI JOHN RDirector36,000DirectDisposition (Non Open Market) at $0 per share.N/A
    Jan 16, 2015QUIRK BRIAN CHARLESOfficer1,040DirectAutomatic Sale at $33.10 per share.34,424
    Jan 2, 2015HANLEY PETERDirector325DirectAutomatic Sale at $36.86 per share.11,979
    Dec 12, 2014QUIRK BRIAN CHARLESOfficer1,041DirectAutomatic Sale at $35.97 per share.37,444
    Dec 10, 2014ABRAMS JOHN ROfficer430DirectSale at $36.83 per share.15,836
    Dec 5, 2014QUIRK BRIAN CHARLESOfficer1,040DirectAutomatic Sale at $36.17 per share.37,616
    Dec 2, 2014MORA ELIZABETHDirector1,875DirectSale at $36.09 per share.67,668
    Nov 28, 2014LEE JOHN TSENG-CHUNGOfficer431DirectAcquisition (Non Open Market) at $24.33 per share.10,486
    Nov 28, 2014BAGSHAW SETH HOfficer431DirectAcquisition (Non Open Market) at $24.33 per share.10,486
    Nov 28, 2014ABRAMS JOHN ROfficer431DirectAcquisition (Non Open Market) at $24.33 per share.10,486
    Nov 21, 2014QUIRK BRIAN CHARLESOfficer1,040DirectAutomatic Sale at $36.30 per share.37,752
    Nov 10, 2014ABRAMS JOHN ROfficer2,058DirectSale at $36.58 per share.75,281
    Nov 3, 2014AMON CRISTINADirector556DirectSale at $36.55 per share.20,321
    Oct 31, 2014BAGSHAW SETH HOfficer1,000DirectAutomatic Sale at $36.40 per share.36,400
    Oct 29, 2014BAGSHAW SETH HOfficer4,000DirectAutomatic Sale at $36 per share.144,000
    Oct 24, 2014BAGSHAW SETH HOfficer4,000DirectAutomatic Sale at $35.26 per share.141,040
    Oct 23, 2014COLELLA GERARD GOfficer3,000DirectAutomatic Sale at $35 per share.105,000
    Oct 17, 2014ABRAMS JOHN ROfficer296DirectAutomatic Sale at $32.42 per share.9,596
    Oct 17, 2014ABRAMS JOHN ROfficer907DirectOption Exercise N/A
    Sep 19, 2014BAGSHAW SETH HOfficer3,500DirectAutomatic Sale at $34.77 per share.121,695
    Aug 28, 2014BAGSHAW SETH HOfficer2,600DirectAutomatic Sale at $33.46 per share.86,996
    Aug 19, 2014BAGSHAW SETH HOfficer400DirectAutomatic Sale at $33.47 per share.13,388
    Aug 15, 2014COLELLA GERARD GOfficer3,000DirectAutomatic Sale at $33.02 per share.99,060
    Aug 14, 2014HANLEY PETERDirector3,000DirectSale at $32.75 per share.98,250
    Aug 8, 2014ANDERSON ROBERT RDirector15,000DirectOption Exercise at $15.84 - $24.35 per share.N/A
    Aug 8, 2014ANDERSON ROBERT RDirector9,069DirectSale at $32.39 per share.293,744
    Jul 28, 2014MORA ELIZABETHDirector2,000DirectSale at $31.97 per share.63,940
    Jul 24, 2014BAGSHAW SETH HOfficer5,000DirectAutomatic Sale at $32.62 per share.163,100
    Jun 25, 2014BERTUCCI JOHN RDirector60,000DirectDisposition (Non Open Market) at $0 per share.N/A
    Jun 13, 2014ANDERSON ROBERT RDirector3,418DirectSale at $29.61 per share.101,206
    Jun 13, 2014LEE JOHN TSENG-CHUNGOfficer9,128DirectSale at $29.55 per share.269,732
    Jun 5, 2014HANLEY PETERDirector2,000DirectSale at $29.64 per share.59,280
    Jun 5, 2014COLELLA GERARD GOfficer3,000DirectAutomatic Sale at $29.50 per share.88,500
    Jun 4, 2014CHUTE RICHARD SDirector3,000DirectSale at $28.65 per share.85,950
    May 30, 2014ABRAMS JOHN ROfficer433DirectAcquisition (Non Open Market) at $24.52 per share.10,617
    May 30, 2014BAGSHAW SETH HOfficer433DirectAcquisition (Non Open Market) at $24.52 per share.10,617
    May 30, 2014LEE JOHN TSENG-CHUNGOfficer433DirectAcquisition (Non Open Market) at $24.52 per share.10,617
    May 16, 2014HANLEY PETERDirector1,000DirectSale at $27.18 per share.27,180
    May 8, 2014BEECHER GREGORY RDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014ANDERSON ROBERT RDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014AMON CRISTINADirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014HANLEY PETERDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014CHUTE RICHARD SDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014BERTUCCI JOHN RDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014MORA ELIZABETHDirector4,405DirectAcquisition (Non Open Market) N/A
    Apr 11, 2014QUIRK BRIAN CHARLESOfficer688DirectAutomatic Sale at $28 per share.19,264
    Apr 11, 2014QUIRK BRIAN CHARLESOfficer2,113DirectOption Exercise N/A
    Apr 4, 2014ABRAMS JOHN ROfficer1,502DirectOption Exercise N/A
    Apr 4, 2014ABRAMS JOHN ROfficer489DirectAutomatic Sale at $29.38 per share.14,366
    Apr 2, 2014QUIRK BRIAN CHARLESOfficer804DirectAutomatic Sale at $30.70 per share.24,682
    Apr 2, 2014QUIRK BRIAN CHARLESOfficer2,469DirectOption Exercise N/A
    Mar 4, 2014AMON CRISTINADirector5,111DirectSale at $30.25 per share.154,607
    Mar 1, 2014QUIRK BRIAN CHARLESOfficer3,153DirectStatement of OwnershipN/A
    Mar 1, 2014ABRAMS JOHN ROfficer1DirectStatement of OwnershipN/A
    Feb 28, 2014BAGSHAW SETH HOfficer1,751DirectAutomatic Sale at $30.06 per share.52,635
    Feb 28, 2014COLELLA GERARD GOfficer2,188DirectAutomatic Sale at $30.06 per share.65,771
    Feb 28, 2014LEE JOHN TSENG-CHUNGOfficer3,225DirectOption Exercise N/A
    Feb 28, 2014COLELLA GERARD GOfficer6,719DirectOption Exercise N/A
    Feb 28, 2014BAGSHAW SETH HOfficer5,375DirectOption Exercise N/A
    Feb 28, 2014LEE JOHN TSENG-CHUNGOfficer1,050DirectAutomatic Sale at $30.06 per share.31,563
    Feb 25, 2014COLELLA GERARD GOfficer3,805DirectAutomatic Sale at $29.77 per share.113,274
    Feb 25, 2014LEE JOHN TSENG-CHUNGOfficer1,618DirectAutomatic Sale at $29.77 per share.48,167
    Feb 25, 2014BAGSHAW SETH HOfficer8,766DirectOption Exercise N/A
    Feb 25, 2014BAGSHAW SETH HOfficer2,854DirectAutomatic Sale at $29.77 per share.84,963
    Feb 25, 2014LEE JOHN TSENG-CHUNGOfficer4,967DirectOption Exercise N/A
    Feb 25, 2014COLELLA GERARD GOfficer11,688DirectOption Exercise N/A
    Feb 24, 2014COLELLA GERARD GOfficer7,198DirectOption Exercise N/A
    Feb 24, 2014BAGSHAW SETH HOfficer5,234DirectOption Exercise N/A
    Feb 24, 2014BAGSHAW SETH HOfficer1,705DirectAutomatic Sale at $30.02 per share.51,184
    Feb 24, 2014HANLEY PETERDirector1,000DirectSale at $30.11 per share.30,110
    Feb 24, 2014LEE JOHN TSENG-CHUNGOfficer1,065DirectAutomatic Sale at $30.02 per share.31,971
    Feb 24, 2014LEE JOHN TSENG-CHUNGOfficer3,271DirectOption Exercise N/A
    Feb 24, 2014COLELLA GERARD GOfficer2,344DirectAutomatic Sale at $30.02 per share.70,366
    Feb 7, 2014ANDERSON ROBERT RDirector4,000DirectSale at $28.95 per share.115,800
    Feb 4, 2014MORA ELIZABETHDirector1,875DirectSale at $29.75 per share.55,781
    Feb 3, 2014CHUTE RICHARD SDirector12,000DirectOption Exercise at $20.07 per share.240,840
    Feb 3, 2014CHUTE RICHARD SDirector12,000DirectSale at $29.69 per share.356,280
    Dec 30, 2013BERLINGHIERI LEOOther43,305DirectAutomatic Sale at $29.69 per share.1,285,725
    Dec 30, 2013BERLINGHIERI LEOOther91,746DirectOption Exercise N/A
    Dec 16, 2013BERLINGHIERI LEOOfficer5,000DirectAutomatic Sale at $29.15 per share.145,750
    Dec 6, 2013CHUTE RICHARD SDirector5,000DirectSale at $29.39 per share.146,950
    Dec 6, 2013HANLEY PETERDirector5,000DirectSale at $29.40 per share.147,000
    Nov 29, 2013BAGSHAW SETH HOfficer443DirectPurchase at $23.96 per share.10,614
    Nov 29, 2013EYERMAN PAULOfficer274DirectPurchase at $23.96 per share.6,565
    Nov 29, 2013LEE JOHN TSENG-CHUNGOfficer443DirectPurchase at $23.96 per share.10,614
    Oct 18, 2013BERLINGHIERI LEOOfficer31,800DirectOption Exercise at $27.11 per share.862,098
    Oct 18, 2013BERLINGHIERI LEOOfficer31,800DirectAutomatic Sale at $29.02 per share.922,836
    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.

    Currency in USD.



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