WLK - Westlake Chemical Corporation

NYSE - NYSE Delayed Price. Currency in USD
Major Holders
Insider Roster
Insider Transactions

Insider Transactions

Currency in USD
Insider Purchases Last 6 MonthsSharesTrans
Purchases25,23115
Sales1,9732
Net Shares Purchased (Sold)23,25817
Total Insider Shares Held92.59MN/A
% Net Shares Purchased (Sold)0.00%N/A
Net Institutional Purchases Prior Quarter to Latest QuarterShares
Net Shares Purchased (Sold)N/A
% Change in Institutional Shares HeldN/A

Insider Transactions Reported - Last Two Years

InsiderTransactionTypeValueDateShares

MANGIERI GEORGE J
Officer

Sale at price 75.05 per share.Direct118,804Nov 8, 20191,583

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

Sale at price 62.30 per share.Direct24,296Aug 20, 2019390

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

Conversion of Exercise of derivative security at price 12.26 per share.Direct86,986Aug 20, 20197,098

LUKENS MAX L
Director

DirectAug 16, 20192,412

MCCOLLUM MARK A
Director

DirectAug 16, 20191,409

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

DirectAug 16, 20192,412

NORTHCUTT RONALD BRUCE
Director

DirectAug 16, 20192,412

SHEETS JEFFREY WAYNE
Director

DirectAug 16, 20191,409

GRAFF MICHAEL J
Director

DirectAug 16, 20192,412

HAAS MARIUS
Director

DirectAug 16, 20191,409

CHAO DAVID TSUNG-HUNG
Director and Beneficial Owner of more than 10% of a Class of Security

DirectAug 16, 20191,409

CHAO JOHN TSUNG-CHEN
Director and Beneficial Owner of more than 10% of a Class of Security

DirectAug 16, 20191,409

LUKENS MAX L
Director

DirectMay 17, 2019103

MCCOLLUM MARK A
Director

DirectMay 17, 2019987

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

DirectMay 17, 2019103

NORTHCUTT RONALD BRUCE
Director

DirectMay 17, 2019144

GRAFF MICHAEL J
Director

DirectMay 17, 2019103

KEARNS ROGER LESTER
Officer

DirectApr 30, 20199,224

RILEY H JOHN JR
Director

Sale at price 69.92 per share.Direct232,624Mar 19, 20193,327

CHAO ALBERT
Chief Executive Officer

DirectFeb 18, 201921,454

CHAO JAMES Y.
Chairman of the Board

DirectFeb 18, 201917,154

MANGIERI GEORGE J
Officer

DirectFeb 18, 20191,441

BENDER MARK STEVEN
Chief Financial Officer

DirectFeb 18, 20196,566

KENNER ANDREW F
Officer

DirectFeb 18, 20192,844

BUESINGER ROBERT F
Officer

DirectFeb 18, 20193,539

TEEL LAWRENCE E
Officer

DirectFeb 18, 20193,137

EDERINGTON L BENJAMIN
General Counsel

DirectFeb 18, 20193,302

SHEETS JEFFREY WAYNE
Director

DirectJan 4, 20191,090

HAAS MARIUS
Director

DirectJan 4, 20191,090

CHAO DAVID TSUNG-HUNG
Director and Beneficial Owner of more than 10% of a Class of Security

DirectJan 4, 20191,090

CHAO ALBERT
Chief Executive Officer

Sale at price 71.61 - 72.09 per share.Direct1,758,608Nov 16, 201824,509

CHAO ALBERT
Chief Executive Officer

Conversion of Exercise of derivative security at price 7.12 per share.Direct218,157Nov 16, 201830,640

CHAO ALBERT
Chief Executive Officer

Sale at price 70.43 - 72.50 per share.Direct3,503,643Nov 15, 201849,130

CHAO ALBERT
Chief Executive Officer

Conversion of Exercise of derivative security at price 7.12 per share.Direct436,306Nov 15, 201861,279

CHAO ALBERT
Chief Executive Officer

Sale at price 71.28 - 75.10 per share.Direct2,938,808Nov 13, 201840,000

CHAO ALBERT
Chief Executive Officer

Conversion of Exercise of derivative security at price 7.12 per share.Direct455,488Nov 13, 201863,973

BLAKELY ROBERT T
Director

DirectAug 21, 2018603

RILEY H JOHN JR
Director

DirectAug 21, 2018603

LUKENS MAX L
Director

DirectAug 21, 2018603

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

DirectAug 21, 2018603

NORTHCUTT RONALD BRUCE
Director

DirectAug 21, 2018603

GRAFF MICHAEL J
Director

DirectAug 21, 2018603

BLAKELY ROBERT T
Director

DirectAug 17, 20182,724

RILEY H JOHN JR
Director

DirectAug 17, 20182,724

LUKENS MAX L
Director

DirectAug 17, 20182,724

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

DirectAug 17, 20182,724

NORTHCUTT RONALD BRUCE
Director

DirectAug 17, 20182,724

GRAFF MICHAEL J
Director

DirectAug 17, 20182,724

CHAO JAMES Y.
Chairman of the Board

Sale at price 120.69 per share.Direct4,019,580May 24, 201833,305

BENDER MARK STEVEN
Chief Financial Officer

Sale at price 121.90 - 123.59 per share.Direct1,482,122May 21, 201812,066

BENDER MARK STEVEN
Chief Financial Officer

Conversion of Exercise of derivative security at price 68.09 per share.Direct821,574May 21, 201812,066

BUESINGER ROBERT F
Officer

Sale at price 118.88 per share.Direct172,012May 15, 20181,447

BENDER MARK STEVEN
Chief Financial Officer

Sale at price 117.33 per share.Direct2,757,959May 11, 201823,506

BENDER MARK STEVEN
Chief Financial Officer

Conversion of Exercise of derivative security at price 22.91 - 30.05 per share.Direct658,736May 11, 201823,506

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

Sale at price 117.01 per share.Direct6,085May 10, 201852

JENKINS DOROTHY C
Director and Beneficial Owner of more than 10% of a Class of Security

Conversion of Exercise of derivative security at price 10.41 per share.Direct79,676May 10, 20187,652

KENNER ANDREW F
Officer

Sale at price 120.00 per share.Direct723,360Mar 9, 20186,028

KENNER ANDREW F
Officer

Conversion of Exercise of derivative security at price 61.87 per share.Direct211,083Mar 9, 20183,412

MANGIERI GEORGE J
Officer

Sale at price 113.41 per share.Direct245,079Mar 5, 20182,161

KENNER ANDREW F
Officer

Sale at price 110.61 per share.Direct2,689,814Mar 5, 201824,318

KENNER ANDREW F
Officer

Conversion of Exercise of derivative security at price 44.42 - 68.09 per share.Direct1,331,968Mar 5, 201824,318

BUESINGER ROBERT F
Officer

Sale at price 113.00 - 113.05 per share.Direct2,187,203Mar 5, 201819,349

BUESINGER ROBERT F
Officer

Conversion of Exercise of derivative security at price 44.42 - 68.09 per share.Direct911,037Mar 5, 201815,315

MANGIERI GEORGE J
Officer

Sale at price 111.22 per share.Direct482,139Feb 28, 20184,335

MANGIERI GEORGE J
Officer

Conversion of Exercise of derivative security at price 44.42 - 68.09 per share.Direct243,058Feb 28, 20184,335

BLAKELY ROBERT T
Director

Sale at price 111.00 per share.Direct448,218Feb 27, 20184,038

BENDER MARK STEVEN
Chief Financial Officer

Sale at price 110.84 - 112.06 per share.Direct558,470Feb 26, 20185,000

TEEL LAWRENCE E
Officer

Sale at price 111.86 per share.Direct1,046,003Feb 26, 20189,351

TEEL LAWRENCE E
Officer

Conversion of Exercise of derivative security at price 44.42 - 68.09 per share.Direct522,186Feb 26, 20189,351

LUKENS MAX L
Director

Sale at price 110.93 - 111.41 per share.Direct1,947,757Feb 22, 201817,558

BENDER MARK STEVEN
Chief Financial Officer

Sale at price 110.97 per share.Direct443,880Feb 22, 20184,000

BENDER MARK STEVEN
Chief Financial Officer

Sale at price 110.64 per share.Direct221,270Feb 22, 20182,000

EDERINGTON L BENJAMIN
General Counsel

Sale at price 111.45 per share.Direct773,665Feb 22, 20186,942

EDERINGTON L BENJAMIN
General Counsel

Conversion of Exercise of derivative security at price 63.98 - 68.09 per share.Direct468,297Feb 22, 20186,942

CHAO ALBERT
Chief Executive Officer

DirectFeb 20, 201813,585

CHAO JAMES Y.
Chairman of the Board

DirectFeb 20, 201810,868

MANGIERI GEORGE J
Officer

DirectFeb 20, 2018913

BENDER MARK STEVEN
Chief Financial Officer

DirectFeb 20, 20183,619

KENNER ANDREW F
Officer

DirectFeb 20, 20181,802

BUESINGER ROBERT F
Officer

DirectFeb 20, 20181,982

TEEL LAWRENCE E
Officer

DirectFeb 20, 20181,762

EDERINGTON L BENJAMIN
General Counsel

DirectFeb 20, 20181,762

CHAO JAMES Y.
Chairman of the Board

Stock Gift at price 0.00 per share.Direct0Dec 4, 201715,000

BENDER MARK STEVEN
Chief Financial Officer

Sale at price 97.83 per share.Direct635,902Dec 4, 20176,500

BENDER MARK STEVEN
Chief Financial Officer

Conversion of Exercise of derivative security at price 22.91 per share.Direct148,948Dec 4, 20176,500

CHAO JAMES Y.
Chairman of the Board

Stock Gift at price 0.00 per share.Direct0Dec 1, 201710,000

BUESINGER ROBERT F
Officer

Sale at price 98.50 per share.Direct263,389Dec 1, 20172,674

CHAO ALBERT
Chief Executive Officer

Sale at price 94.55 - 95.25 per share.Direct3,968,421Nov 29, 201741,844

CHAO ALBERT
Chief Executive Officer

Conversion of Exercise of derivative security at price 9.64 per share.Direct403,585Nov 29, 201741,844

CHAO JAMES Y.
Chairman of the Board

Stock Gift at price 0.00 per share.Direct0Nov 29, 201710,000

CHAO ALBERT
Chief Executive Officer

Sale at price 93.92 - 94.25 per share.Direct2,349,055Nov 27, 201725,000

CHAO ALBERT
Chief Executive Officer

Conversion of Exercise of derivative security at price 9.64 per share.Direct241,125Nov 27, 201725,000

CHAO ALBERT
Chief Executive Officer

Sale at price 94.58 - 95.60 per share.Direct4,264,077Nov 24, 201745,000

CHAO ALBERT
Chief Executive Officer

Conversion of Exercise of derivative security at price 9.64 per share.Direct434,025Nov 24, 201745,000

CHAO JAMES Y.
Chairman of the Board

Sale at price 94.61 - 95.20 per share.Direct7,209,193Nov 24, 201776,135

CHAO JAMES Y.
Chairman of the Board

Conversion of Exercise of derivative security at price 45.70 - 68.09 per share.Direct4,599,701Nov 24, 201776,135

CHAO ALBERT
Chief Executive Officer

Sale at price 94.33 per share.Direct2,358,375Nov 21, 201725,000

CHAO ALBERT
Chief Executive Officer

Conversion of Exercise of derivative security at price 9.64 per share.Direct241,125Nov 21, 201725,000

BENDER MARK STEVEN
Chief Financial Officer

Sale at price 94.27 per share.Direct1,921,309Nov 21, 201720,382

BUESINGER ROBERT F
Officer

Sale at price 93.82 per share.Direct489,199Nov 17, 20175,214

BUESINGER ROBERT F
Officer

Conversion of Exercise of derivative security at price 63.98 per share.Direct333,579Nov 17, 20175,214