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    MKS Instruments, Inc. (MKSI)

    -NasdaqGS
    36.05 Down 0.49(1.34%) May 4, 4:00PM EDT
    |After Hours : 36.05 0.00 (0.00%) May 4, 4:46PM EDT
    Insider TransactionsGet Insider Transactions for:
    Net Share Purchase Activity
    Insider Purchases - Last 6 Months
     SharesTrans
    PurchasesN/A0
    Sales41,77218
    Net Shares Purchased
    (Sold)
    (41,772)18
    Total Insider Shares Held915.76KN/A
    % Net Shares Purchased
    (Sold)
    (4.4%)N/A
    Net Institutional Purchases - Prior Qtr to Latest Qtr
     Shares
    Net Shares Purchased
    (Sold)
    (1,655,750)
    % Change in Institutional Shares Held(3.13%)
    Data provided by Thomson Financial


    Insider Transactions Reported - Last Two Years
    DateInsiderSharesTypeTransactionValue*
    Apr 4, 2016ABRAMS JOHN ROfficer488DirectAutomatic Sale at $37.85 - $37.85 per share.18,0002
    Apr 4, 2016ABRAMS JOHN ROfficer1,503DirectOption Exercise N/A
    Mar 24, 2016COLELLA GERARD GOfficer10,000DirectAutomatic Sale at $35.75 - $35.75 per share.358,0002
    Mar 18, 2016QUIRK BRIAN CHARLESOfficer1,000DirectAutomatic Sale at $36 - $36 per share.36,0002
    Feb 26, 2016LEE JOHN TSENG-CHUNGOfficer994DirectAutomatic Sale at $32.70 - $32.7 per share.33,0002
    Feb 26, 2016BAGSHAW SETH HOfficer1,750DirectAutomatic Sale at $32.70 - $32.7 per share.57,0002
    Feb 25, 2016QUIRK BRIAN CHARLESOfficer4,676DirectOption Exercise N/A
    Feb 25, 2016BAGSHAW SETH HOfficer2,846DirectAutomatic Sale at $32.77 - $32.77 per share.93,0002
    Feb 25, 2016COLELLA GERARD GOfficer5,501DirectAutomatic Sale at $32.77 - $32.77 per share.180,0002
    Feb 25, 2016COLELLA GERARD GOfficer11,691DirectOption Exercise N/A
    Feb 25, 2016BAGSHAW SETH HOfficer8,767DirectOption Exercise N/A
    Feb 25, 2016LEE JOHN TSENG-CHUNGOfficer1,613DirectAutomatic Sale at $32.77 - $32.77 per share.53,0002
    Feb 25, 2016LEE JOHN TSENG-CHUNGOfficer4,968DirectOption Exercise N/A
    Feb 25, 2016QUIRK BRIAN CHARLESOfficer1,519DirectAutomatic Sale at $32.77 - $32.77 per share.50,0002
    Feb 17, 2016LEE JOHN TSENG-CHUNGOfficer1,371DirectAutomatic Sale at $33.26 - $33.26 per share.46,0002
    Feb 17, 2016BAGSHAW SETH HOfficer1,600DirectAutomatic Sale at $33.26 - $33.26 per share.53,0002
    Feb 16, 2016QUIRK BRIAN CHARLESOfficer3,953DirectOption Exercise N/A
    Feb 16, 2016COLELLA GERARD GOfficer8,688DirectAutomatic Sale at $33.22 - $33.22 per share.289,0002
    Feb 16, 2016BAGSHAW SETH HOfficer2,927DirectAutomatic Sale at $33.22 - $33.22 per share.97,0002
    Feb 16, 2016LEE JOHN TSENG-CHUNGOfficer6,853DirectOption Exercise N/A
    Feb 16, 2016BAGSHAW SETH HOfficer9,016DirectOption Exercise N/A
    Feb 16, 2016LEE JOHN TSENG-CHUNGOfficer2,225DirectAutomatic Sale at $33.22 - $33.22 per share.74,0002
    Feb 16, 2016ABRAMS JOHN ROfficer1,027DirectAutomatic Sale at $33.22 - $33.22 per share.34,0002
    Feb 16, 2016ABRAMS JOHN ROfficer3,162DirectOption Exercise N/A
    Feb 16, 2016QUIRK BRIAN CHARLESOfficer1,284DirectAutomatic Sale at $33.22 - $33.22 per share.43,0002
    Feb 16, 2016COLELLA GERARD GOfficer21,668DirectOption Exercise N/A
    Feb 11, 2016BAGSHAW SETH HOfficer2,150DirectAutomatic Sale at $31.96 - $31.96 per share.69,0002
    Feb 11, 2016LEE JOHN TSENG-CHUNGOfficer1,435DirectAutomatic Sale at $31.96 - $31.96 per share.46,0002
    Feb 10, 2016COLELLA GERARD GOfficer20,087DirectOption Exercise N/A
    Feb 10, 2016LEE JOHN TSENG-CHUNGOfficer7,174DirectOption Exercise N/A
    Feb 10, 2016QUIRK BRIAN CHARLESOfficer1,741DirectAutomatic Sale at $32.70 - $32.7 per share.57,0002
    Feb 10, 2016BAGSHAW SETH HOfficer3,597DirectAutomatic Sale at $32.70 - $32.7 per share.118,0002
    Feb 10, 2016QUIRK BRIAN CHARLESOfficer5,022DirectOption Exercise N/A
    Feb 10, 2016COLELLA GERARD GOfficer6,575DirectAutomatic Sale at $32.70 - $32.7 per share.215,0002
    Feb 10, 2016BAGSHAW SETH HOfficer10,761DirectOption Exercise N/A
    Feb 10, 2016ABRAMS JOHN ROfficer2,870DirectOption Exercise N/A
    Feb 10, 2016ABRAMS JOHN ROfficer1,078DirectAutomatic Sale at $32.70 - $32.7 per share.35,0002
    Feb 10, 2016LEE JOHN TSENG-CHUNGOfficer2,416DirectAutomatic Sale at $32.70 - $32.7 per share.79,0002
    Feb 1, 2016BERTUCCI JOHN RDirector25,000DirectDisposition (Non Open Market) at $0 per share.N/A
    Jan 28, 2016QUIRK BRIAN CHARLESOfficer1,000DirectAutomatic Sale at $36 - $36 per share.36,0002
    Dec 16, 2015AMON CRISTINADirector1,500DirectSale at $36.09 - $36.09 per share.54,0002
    Dec 16, 2015QUIRK BRIAN CHARLESOfficer1,000DirectAutomatic Sale at $36.03 - $36.03 per share.36,0002
    Dec 8, 2015ANDERSON ROBERT RDirector3,000DirectDisposition (Non Open Market) at $0 per share.N/A
    Dec 3, 2015HANLEY PETERDirector800DirectSale at $37.30 - $37.3 per share.30,0002
    Sep 14, 2015HANLEY PETERDirector900DirectSale at $33.72 - $33.72 per share.30,0002
    Aug 12, 2015HANLEY PETERDirector900DirectSale at $35.23 - $35.23 per share.32,0002
    Jul 15, 2015CHUTE RICHARD SDirector12,000DirectAutomatic Sale at $36.68 - $36.68 per share.440,0002
    Jul 15, 2015CHUTE RICHARD SDirector12,000DirectOption Exercise at $24.35 - $24.35 per share.292,0002
    Jun 18, 2015BERTUCCI JOHN RDirector26,000DirectDisposition (Non Open Market) at $0 per share.N/A
    May 29, 2015LEE JOHN TSENG-CHUNGOfficer346DirectAcquisition (Non Open Market) at $30.74 - $30.74 per share.11,0002
    May 29, 2015BAGSHAW SETH HOfficer346DirectAcquisition (Non Open Market) at $30.74 - $30.74 per share.11,0002
    May 29, 2015ABRAMS JOHN ROfficer346DirectAcquisition (Non Open Market) at $30.74 - $30.74 per share.11,0002
    May 28, 2015HANLEY PETERDirector1,600DirectSale at $37.72 - $37.72 per share.60,0002
    May 28, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $37.50 - $37.5 per share.19,0002
    May 21, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $37.32 - $37.32 per share.19,0002
    May 14, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $36.33 - $36.33 per share.18,0002
    May 14, 2015LEE JOHN TSENG-CHUNGOfficer10,747DirectSale at $36.36 - $36.36 per share.391,0002
    May 7, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $34.78 - $34.78 per share.17,0002
    May 4, 2015AMON CRISTINADirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015ANDERSON ROBERT RDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015BEECHER GREGORY RDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015BERTUCCI JOHN RDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015HANLEY PETERDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015MORA ELIZABETHDirector3,959DirectAcquisition (Non Open Market) N/A
    May 4, 2015MORA ELIZABETHDirector2,800DirectSale at $35.39 - $35.39 per share.99,0002
    May 4, 2015CHUTE RICHARD SDirector3,000DirectAutomatic Sale at $35.46 - $35.46 per share.106,0002
    May 4, 2015CHUTE RICHARD SDirector3,959DirectAcquisition (Non Open Market) N/A
    Apr 30, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $35.73 - $35.73 per share.18,0002
    Apr 27, 2015COLELLA GERARD GOfficer5,000DirectAutomatic Sale at $36.08 - $36.08 per share.180,0002
    Apr 23, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $36.25 - $36.25 per share.18,0002
    Apr 16, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.90 - $33.9 per share.17,0002
    Apr 9, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.63 - $33.63 per share.17,0002
    Apr 6, 2015ABRAMS JOHN ROfficer1,503DirectOption Exercise N/A
    Apr 6, 2015HANLEY PETERDirector325DirectAutomatic Sale at $33.34 - $33.34 per share.11,0002
    Apr 6, 2015ABRAMS JOHN ROfficer489DirectAutomatic Sale at $33.81 - $33.81 per share.17,0002
    Apr 2, 2015QUIRK BRIAN CHARLESOfficer803DirectAutomatic Sale at $33.74 - $33.74 per share.27,0002
    Apr 2, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.60 - $33.6 per share.17,0002
    Apr 2, 2015QUIRK BRIAN CHARLESOfficer2,469DirectOption Exercise at $33.74 - $33.74 per share.83,0002
    Mar 26, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $33.74 - $33.74 per share.17,0002
    Mar 19, 2015ANDERSON ROBERT RDirector500DirectSale at $35.85 - $35.85 per share.18,0002
    Mar 12, 2015ANDERSON ROBERT RDirector500DirectAutomatic Sale at $34.60 - $34.6 per share.17,0002
    Mar 6, 2015HANLEY PETERDirector325DirectAutomatic Sale at $34.98 - $34.98 per share.11,0002
    Mar 2, 2015CHUTE RICHARD SDirector12,000DirectAutomatic Sale at $35.58 - $35.58 per share.427,0002
    Mar 2, 2015CHUTE RICHARD SDirector12,000DirectOption Exercise at $15.84 - $15.84 per share.190,0002
    Feb 25, 2015COLELLA GERARD GOfficer5,410DirectAutomatic Sale at $35.83 - $35.83 per share.194,0002
    Feb 25, 2015LEE JOHN TSENG-CHUNGOfficer1,616DirectAutomatic Sale at $35.83 - $35.83 per share.58,0002
    Feb 25, 2015LEE JOHN TSENG-CHUNGOfficer4,968DirectOption Exercise N/A
    Feb 25, 2015QUIRK BRIAN CHARLESOfficer1,520DirectAutomatic Sale at $35.83 - $35.83 per share.54,0002
    Feb 25, 2015QUIRK BRIAN CHARLESOfficer4,676DirectOption Exercise at $35.83 - $35.83 per share.168,0002
    Feb 25, 2015COLELLA GERARD GOfficer11,689DirectOption Exercise N/A
    Feb 25, 2015BAGSHAW SETH HOfficer8,767DirectOption Exercise N/A
    Feb 25, 2015BAGSHAW SETH HOfficer2,850DirectAutomatic Sale at $35.83 - $35.83 per share.102,0002
    Feb 23, 2015LEE JOHN TSENG-CHUNGOfficer1,064DirectAutomatic Sale at $35.60 - $35.6 per share.38,0002
    Feb 23, 2015LEE JOHN TSENG-CHUNGOfficer3,273DirectOption Exercise N/A
    Feb 23, 2015COLELLA GERARD GOfficer2,341DirectAutomatic Sale at $35.60 - $35.6 per share.83,0002
    Feb 23, 2015BAGSHAW SETH HOfficer5,235DirectOption Exercise N/A
    Feb 23, 2015COLELLA GERARD GOfficer7,198DirectOption Exercise N/A
    Feb 23, 2015BAGSHAW SETH HOfficer3,817DirectAutomatic Sale at $35.30 - $35.6 per share.135,0002
    Feb 17, 2015COLELLA GERARD GOfficer6,000DirectAutomatic Sale at $35.30 - $35.3 per share.212,0002
    Feb 10, 2015COLELLA GERARD GOfficer20,085DirectOption Exercise N/A
    Feb 10, 2015BAGSHAW SETH HOfficer10,760DirectOption Exercise N/A
    Feb 10, 2015BAGSHAW SETH HOfficer5,213DirectAutomatic Sale at $35.78 - $35.86 per share.187,0002
    Feb 10, 2015COLELLA GERARD GOfficer6,594DirectAutomatic Sale at $35.86 - $35.86 per share.236,0002
    Feb 10, 2015QUIRK BRIAN CHARLESOfficer5,021DirectOption Exercise N/A
    Feb 10, 2015ABRAMS JOHN ROfficer1,060DirectAutomatic Sale at $35.86 - $35.86 per share.38,0002
    Feb 10, 2015ABRAMS JOHN ROfficer2,868DirectOption Exercise N/A
    Feb 10, 2015QUIRK BRIAN CHARLESOfficer1,741DirectAutomatic Sale at $35.86 - $35.86 per share.62,0002
    Feb 10, 2015LEE JOHN TSENG-CHUNGOfficer7,173DirectOption Exercise N/A
    Feb 10, 2015LEE JOHN TSENG-CHUNGOfficer2,417DirectAutomatic Sale at $35.86 - $35.86 per share.87,0002
    Feb 6, 2015HANLEY PETERDirector325DirectAutomatic Sale at $36.02 - $36.02 per share.12,0002
    Jan 30, 2015QUIRK BRIAN CHARLESOfficer1,041DirectAutomatic Sale at $36.09 - $36.09 per share.38,0002
    Jan 23, 2015QUIRK BRIAN CHARLESOfficer1,040DirectAutomatic Sale at $34.76 - $34.76 per share.36,0002
    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 - $33.1 per share.34,0002
    Jan 2, 2015HANLEY PETERDirector325DirectAutomatic Sale at $36.86 - $36.86 per share.12,0002
    Dec 12, 2014QUIRK BRIAN CHARLESOfficer1,041DirectAutomatic Sale at $35.97 - $35.97 per share.37,0002
    Dec 10, 2014ABRAMS JOHN ROfficer430DirectSale at $36.83 - $36.83 per share.16,0002
    Dec 5, 2014QUIRK BRIAN CHARLESOfficer1,040DirectAutomatic Sale at $36.17 - $36.17 per share.38,0002
    Dec 2, 2014MORA ELIZABETHDirector1,875DirectSale at $36.09 - $36.09 per share.68,0002
    Nov 28, 2014BAGSHAW SETH HOfficer431DirectAcquisition (Non Open Market) at $24.33 - $24.33 per share.10,0002
    Nov 28, 2014LEE JOHN TSENG-CHUNGOfficer431DirectAcquisition (Non Open Market) at $24.33 - $24.33 per share.10,0002
    Nov 28, 2014ABRAMS JOHN ROfficer431DirectAcquisition (Non Open Market) at $24.33 - $24.33 per share.10,0002
    Nov 21, 2014QUIRK BRIAN CHARLESOfficer1,040DirectAutomatic Sale at $36.30 - $36.3 per share.38,0002
    Nov 10, 2014ABRAMS JOHN ROfficer2,058DirectSale at $36.58 - $36.58 per share.75,0002
    Nov 3, 2014AMON CRISTINADirector556DirectSale at $36.55 - $36.55 per share.20,0002
    Oct 31, 2014BAGSHAW SETH HOfficer1,000DirectAutomatic Sale at $36.40 - $36.4 per share.36,0002
    Oct 29, 2014BAGSHAW SETH HOfficer4,000DirectAutomatic Sale at $36 - $36 per share.144,0002
    Oct 24, 2014BAGSHAW SETH HOfficer4,000DirectAutomatic Sale at $35.26 - $35.26 per share.141,0002
    Oct 23, 2014COLELLA GERARD GOfficer3,000DirectAutomatic Sale at $35 - $35 per share.105,0002
    Oct 17, 2014ABRAMS JOHN ROfficer907DirectOption Exercise N/A
    Oct 17, 2014ABRAMS JOHN ROfficer296DirectAutomatic Sale at $32.42 - $32.42 per share.9,5962
    Sep 19, 2014BAGSHAW SETH HOfficer3,500DirectAutomatic Sale at $34.77 - $34.77 per share.122,0002
    Aug 28, 2014BAGSHAW SETH HOfficer2,600DirectAutomatic Sale at $33.46 - $33.46 per share.87,0002
    Aug 19, 2014BAGSHAW SETH HOfficer400DirectAutomatic Sale at $33.47 - $33.47 per share.13,0002
    Aug 15, 2014COLELLA GERARD GOfficer3,000DirectAutomatic Sale at $33.02 - $33.02 per share.99,0002
    Aug 14, 2014HANLEY PETERDirector3,000DirectSale at $32.75 - $32.75 per share.98,0002
    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 - $32.39 per share.294,0002
    Jul 28, 2014MORA ELIZABETHDirector2,000DirectSale at $31.97 - $31.97 per share.64,0002
    Jul 24, 2014BAGSHAW SETH HOfficer5,000DirectAutomatic Sale at $32.62 - $32.62 per share.163,0002
    Jun 25, 2014BERTUCCI JOHN RDirector60,000DirectDisposition (Non Open Market) at $0 per share.N/A
    Jun 13, 2014LEE JOHN TSENG-CHUNGOfficer9,128DirectSale at $29.55 - $29.55 per share.270,0002
    Jun 13, 2014ANDERSON ROBERT RDirector3,418DirectSale at $29.61 - $29.61 per share.101,0002
    Jun 5, 2014HANLEY PETERDirector2,000DirectSale at $29.64 - $29.64 per share.59,0002
    Jun 5, 2014COLELLA GERARD GOfficer3,000DirectAutomatic Sale at $29.50 - $29.5 per share.89,0002
    Jun 4, 2014CHUTE RICHARD SDirector3,000DirectSale at $28.65 - $28.65 per share.86,0002
    May 30, 2014ABRAMS JOHN ROfficer433DirectAcquisition (Non Open Market) at $24.52 - $24.52 per share.11,0002
    May 30, 2014BAGSHAW SETH HOfficer433DirectAcquisition (Non Open Market) at $24.52 - $24.52 per share.11,0002
    May 30, 2014LEE JOHN TSENG-CHUNGOfficer433DirectAcquisition (Non Open Market) at $24.52 - $24.52 per share.11,0002
    May 16, 2014HANLEY PETERDirector1,000DirectSale at $27.18 - $27.18 per share.27,0002
    May 8, 2014BERTUCCI JOHN RDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014HANLEY PETERDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014AMON CRISTINADirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014MORA ELIZABETHDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014ANDERSON ROBERT RDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014CHUTE RICHARD SDirector4,405DirectAcquisition (Non Open Market) N/A
    May 8, 2014BEECHER GREGORY RDirector4,405DirectAcquisition (Non Open Market) N/A
    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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