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Westlake Chemical Corp. (WLK)

-NYSE
50.69 Down 1.53(2.93%) Apr 28, 4:02PM 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 Held91.37MN/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(26.59%)
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, 2016CHAO ALBERTOfficer3,931DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.171,0002
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 17, 2016MANGIERI GEORGE JOfficer451DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.20,0002
Feb 17, 2016BUESINGER ROBERT F.Officer667DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.29,0002
Feb 17, 2016TEEL LAWRENCE E.Officer257DirectDisposition (Non Open Market) at $43.52 - $43.52 per share.11,0002
Feb 15, 2016MATTINA MICHAEL J.Officer892DirectOption Exercise N/A
Feb 15, 2016CHAO JAMESOfficer11,406DirectOption Exercise N/A
Feb 15, 2016MANGIERI GEORGE JOfficer1,362DirectOption Exercise N/A
Feb 15, 2016CHAO ALBERTOfficer14,246DirectOption Exercise N/A
Feb 15, 2016TEEL LAWRENCE E.Officer774DirectOption Exercise N/A
Feb 15, 2016KENNER ANDREWOfficer2,238DirectOption Exercise N/A
Feb 15, 2016BUESINGER ROBERT F.Officer2,114DirectOption Exercise N/A
Feb 15, 2016BENDER MARK STEVENOfficer4,040DirectOption 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, 2015JENKINS DOROTHY CDirector586DirectOption Exercise N/A
Aug 23, 2015LUKENS MAX LDirector586DirectOption Exercise N/A
Aug 23, 2015BLAKELY ROBERT TDirector586DirectOption Exercise N/A
Aug 23, 2015RILEY H JOHN JRDirector586DirectOption Exercise N/A
Aug 22, 2015GRAFF MICHAEL JDirector357DirectOption Exercise N/A
Aug 22, 2015BLAKELY ROBERT TDirector357DirectOption Exercise N/A
Aug 22, 2015NORTHCUTT R BRUCEDirector357DirectOption Exercise N/A
Aug 22, 2015JENKINS DOROTHY CDirector357DirectOption Exercise N/A
Aug 22, 2015RILEY H JOHN JRDirector357DirectOption Exercise N/A
Aug 22, 2015LUKENS MAX LDirector357DirectOption 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, 2015TEEL LAWRENCE E.Officer342DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.23,0002
Feb 18, 2015MANGIERI GEORGE JOfficer681DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.45,0002
Feb 18, 2015CHAO ALBERTOfficer7,821DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.522,0002
Feb 18, 2015BUESINGER ROBERT F.Officer964DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.64,0002
Feb 18, 2015KENNER ANDREWOfficer1,017DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.68,0002
Feb 18, 2015HANSEN DAVID ROfficer1,073DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.72,0002
Feb 18, 2015BENDER MARK STEVENOfficer1,823DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.122,0002
Feb 18, 2015TAYLOR JEFFREY LOfficer1,037DirectDisposition (Non Open Market) at $66.79 - $66.79 per share.69,0002
Aug 25, 2014CHAO JAMESDirector30,559DirectSale at $95 - $95 per share.2,903,0002
Aug 25, 2014CHAO JAMESDirector30,559DirectOption Exercise at $22.92 - $22.92 per share.700,0002
Aug 23, 2014RILEY H JOHN JRDirector586DirectOption Exercise N/A
Aug 23, 2014BLAKELY ROBERT TDirector586DirectOption Exercise N/A
Aug 23, 2014NORTHCUTT R BRUCEDirector586DirectOption Exercise N/A
Aug 23, 2014LUKENS MAX LDirector586DirectOption Exercise N/A
Aug 23, 2014GRAFF MICHAEL JDirector586DirectOption Exercise N/A
Aug 23, 2014JENKINS DOROTHY CDirector586DirectOption Exercise N/A
Aug 22, 2014CHAO JAMESDirector42,379DirectSale at $93.57 - $93.57 per share.3,965,0002
Aug 22, 2014CHAO JAMESDirector42,379DirectOption Exercise at $10.26 - $22.92 per share.N/A
Jun 9, 2014CHAO JAMESOfficer42,946DirectOption Exercise at $30.05 - $45.7 per share.N/A
Jun 9, 2014CHAO JAMESOfficer42,946DirectSale at $82.01 - $82.01 per share.3,522,0002
Jun 3, 2014JENKINS DOROTHY CDirector5,518DirectOption Exercise at $7.25 - $7.25 per share.40,0002
May 7, 2014BUESINGER ROBERT F.Officer1,872DirectSale at $77.36 - $77.36 per share.145,0002
May 7, 2014BUESINGER ROBERT F.Officer1,872DirectOption Exercise at $45.70 - $45.7 per share.86,0002
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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