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    Westlake Chemical Corp. (WLK)

    -NYSE
    44.13 Down 0.01(0.02%) 4:03PM EDT
    |After Hours : 44.13 0.00 (0.00%) 4:43PM EDT
    Insider TransactionsGet Insider Transactions for:
    Net Share Purchase Activity
    Insider Purchases - Last 6 Months
     SharesTrans
    PurchasesN/A0
    Sales26,1904
    Net Shares Purchased
    (Sold)
    (26,190)4
    Total Insider Shares Held91.43MN/A
    % Net Shares Purchased
    (Sold)
    0%N/A
    Net Institutional Purchases - Prior Qtr to Latest Qtr
     Shares
    Net Shares Purchased
    (Sold)
    (7,684,890)
    % Change in Institutional Shares Held(26.56%)
    Data provided by Thomson Financial


    Insider Transactions Reported - Last Two Years
    DateInsiderSharesTypeTransactionValue*
    Feb 17, 2016MATTINA MICHAEL J.Officer296DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.13,0002
    Feb 17, 2016TEEL LAWRENCE E.Officer257DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.11,0002
    Feb 17, 2016CHAO ALBERTOfficer3,931DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.171,0002
    Feb 17, 2016BUESINGER ROBERT F.Officer667DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.29,0002
    Feb 17, 2016MANGIERI GEORGE JOfficer451DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.20,0002
    Feb 17, 2016BENDER MARK STEVENOfficer1,172DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.51,0002
    Feb 17, 2016KENNER ANDREWOfficer703DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.31,0002
    Feb 15, 2016BENDER MARK STEVENOfficer4,040DirectOption Exercise N/A
    Feb 15, 2016CHAO JAMESOfficer11,406DirectOption Exercise N/A
    Feb 15, 2016TEEL LAWRENCE E.Officer774DirectOption Exercise N/A
    Feb 15, 2016CHAO ALBERTOfficer14,246DirectOption Exercise N/A
    Feb 15, 2016BUESINGER ROBERT F.Officer2,114DirectOption Exercise N/A
    Feb 15, 2016KENNER ANDREWOfficer2,238DirectOption Exercise N/A
    Feb 15, 2016MANGIERI GEORGE JOfficer1,362DirectOption Exercise N/A
    Feb 15, 2016MATTINA MICHAEL J.Officer892DirectOption Exercise N/A
    Nov 10, 2015MANGIERI GEORGE JOfficer1,974DirectOption Exercise at $30.05 - $30.05 per share.59,0002
    Nov 10, 2015MANGIERI GEORGE JOfficer2,785DirectSale at $60.19 - $60.21 per share.168,0002
    Sep 30, 2015EDERINGTON L. BENJAMINOfficer1,914DirectOption Exercise N/A
    Aug 23, 2015NORTHCUTT R BRUCEDirector586DirectOption Exercise N/A
    Aug 23, 2015GRAFF MICHAEL JDirector586DirectOption Exercise N/A
    Aug 23, 2015RILEY H JOHN JRDirector586DirectOption Exercise N/A
    Aug 23, 2015BLAKELY ROBERT TDirector586DirectOption Exercise N/A
    Aug 23, 2015JENKINS DOROTHY CDirector586DirectOption Exercise N/A
    Aug 23, 2015LUKENS MAX LDirector586DirectOption Exercise N/A
    Aug 22, 2015NORTHCUTT R BRUCEDirector357DirectOption Exercise N/A
    Aug 22, 2015GRAFF MICHAEL JDirector357DirectOption Exercise N/A
    Aug 22, 2015RILEY H JOHN JRDirector357DirectOption Exercise N/A
    Aug 22, 2015JENKINS DOROTHY CDirector357DirectOption Exercise N/A
    Aug 22, 2015LUKENS MAX LDirector357DirectOption Exercise N/A
    Aug 22, 2015BLAKELY ROBERT TDirector357DirectOption Exercise N/A
    Aug 11, 2015BLAKELY ROBERT TDirector5,143DirectSale at $63 - $63 per share.324,0002
    Aug 11, 2015BLAKELY ROBERT TDirector1,776DirectOption Exercise at $12.26 - $12.26 per share.22,0002
    May 26, 2015TAYLOR JEFFREY LOfficer8,143DirectSale at $70.50 - $70.58 per share.574,0002
    May 26, 2015TAYLOR JEFFREY LOfficer6,846DirectOption Exercise at $30.05 - $63.98 per share.N/A
    May 11, 2015TEEL LAWRENCE E.Officer2,125DirectSale at $70.23 - $70.25 per share.149,0002
    May 11, 2015TEEL LAWRENCE E.Officer1,584DirectOption Exercise at $30.05 - $45.7 per share.N/A
    May 6, 2015KENNER ANDREWOfficer8,618DirectOption Exercise at $22.92 - $30.05 per share.N/A
    May 6, 2015KENNER ANDREWOfficer10,779DirectSale at $72.27 - $72.32 per share.779,0002
    Apr 1, 2015MATTINA MICHAEL J.Officer7,910DirectStatement of OwnershipN/A
    Feb 18, 2015BUESINGER ROBERT F.Officer964DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.64,0002
    Feb 18, 2015TEEL LAWRENCE E.Officer342DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.23,0002
    Feb 18, 2015KENNER ANDREWOfficer1,017DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.68,0002
    Feb 18, 2015CHAO ALBERTOfficer7,821DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.522,0002
    Feb 18, 2015TAYLOR JEFFREY LOfficer1,037DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.69,0002
    Feb 18, 2015MANGIERI GEORGE JOfficer681DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.45,0002
    Feb 18, 2015BENDER MARK STEVENOfficer1,823DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.122,0002
    Feb 18, 2015HANSEN DAVID ROfficer1,073DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.72,0002
    Aug 25, 2014CHAO JAMESDirector30,559DirectOption Exercise at $22.92 - $22.92 per share.700,0002
    Aug 25, 2014CHAO JAMESDirector30,559DirectSale at $95 - $95 per share.2,903,0002
    Aug 23, 2014RILEY H JOHN JRDirector586DirectOption Exercise N/A
    Aug 23, 2014LUKENS MAX LDirector586DirectOption Exercise N/A
    Aug 23, 2014JENKINS DOROTHY CDirector586DirectOption Exercise N/A
    Aug 23, 2014BLAKELY ROBERT TDirector586DirectOption Exercise N/A
    Aug 23, 2014GRAFF MICHAEL JDirector586DirectOption Exercise N/A
    Aug 23, 2014NORTHCUTT R BRUCEDirector586DirectOption Exercise N/A
    Aug 22, 2014CHAO JAMESDirector42,379DirectOption Exercise at $10.26 - $22.92 per share.N/A
    Aug 22, 2014CHAO JAMESDirector42,379DirectSale at $93.57 - $93.57 per share.3,965,0002
    Jun 9, 2014CHAO JAMESOfficer42,946DirectSale at $82.01 - $82.01 per share.3,522,0002
    Jun 9, 2014CHAO JAMESOfficer42,946DirectOption Exercise at $30.05 - $45.7 per share.N/A
    Jun 3, 2014JENKINS DOROTHY CDirector5,518DirectOption Exercise at $7.25 - $7.25 per share.40,0002
    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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