Insider Trading activities of Westlake Chemical Corp insiders. , Part 2

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Westlake Chemical Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Westlake Chemical Corp since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Westlake Chemical Corp since 2005. The reporting company's ticker symbol is WLK. The reporting company's CIK number is 1262823.
The total value of stock buying since 2005 is $621,540.
The total value of stock sales since 2005 is $468,829,931.
The total value of stock option exercises since 2005 is $47,066,933.


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Table 2. Detailed insider stock purchases, sales, and option exercises of Westlake Chemical Corp insiders (WLK) , Part 2
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2015-11-10 Mangieri George J (VP & Chief Accounting Officer) Option Ex 1,974 30.05 59,324
2015-09-30 Ederington L. Benjamin (VP, General Counsel, Corp Secy) Option Ex 1,914 .00 0
2015-08-23 Graff Michael J Option Ex 586 .00 0
2015-08-23 Northcutt R Bruce Option Ex 586 .00 0
2015-08-23 Jenkins Dorothy C Option Ex 586 .00 0
2015-08-23 Blakely Robert T Option Ex 586 .00 0
2015-08-23 Riley H John Jr Option Ex 586 .00 0
2015-08-23 Lukens Max L Option Ex 586 .00 0
2015-08-22 Graff Michael J Option Ex 357 .00 0
2015-08-22 Northcutt R Bruce Option Ex 357 .00 0
2015-08-22 Jenkins Dorothy C Option Ex 357 .00 0
2015-08-22 Blakely Robert T Option Ex 357 .00 0
2015-08-22 Riley H John Jr Option Ex 357 .00 0
2015-08-22 Lukens Max L Option Ex 357 .00 0
2015-08-11 Blakely Robert T Sale 5,143 63.00 324,009
2015-08-11 Blakely Robert T Option Ex 1,776 12.26 21,764
2015-05-26 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 8,143 70.54 574,423
2015-05-26 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 6,846 46.58 318,859
2015-05-11 Teel Lawrence E. (SVP, Olefins) Sale 2,125 70.24 149,266
2015-05-11 Teel Lawrence E. (SVP, Olefins) Option Ex 1,584 37.88 59,994
2015-05-06 Kenner Andrew (VP - Manufacturing) Sale 10,779 72.29 779,246
2015-05-06 Kenner Andrew (VP - Manufacturing) Option Ex 8,618 26.48 228,239
2014-08-25 Chao James Sale 30,559 95.00 2,903,196
2014-08-25 Chao James Option Ex 30,559 22.91 700,259
2014-08-23 Graff Michael J Option Ex 586 .00 0
2014-08-23 Northcutt R Bruce Option Ex 586 .00 0
2014-08-23 Jenkins Dorothy C Option Ex 586 .00 0
2014-08-23 Blakely Robert T Option Ex 586 .00 0
2014-08-23 Riley H John Jr Option Ex 586 .00 0
2014-08-23 Lukens Max L Option Ex 586 .00 0
2014-08-22 Chao James Sale 42,379 93.57 3,965,572
2014-08-22 Chao James Option Ex 42,379 16.59 703,025
2014-06-09 Chao James (Chairman) Sale 42,946 82.01 3,522,044
2014-06-09 Chao James (Chairman) Option Ex 42,946 37.88 1,626,579
2014-06-03 Jenkins Dorothy C Option Ex 5,518 7.25 40,005
2014-05-07 Buesinger Robert F. (Sr. Vice President, Vinyls) Sale 1,872 77.36 144,819
2014-05-07 Buesinger Robert F. (Sr. Vice President, Vinyls) Option Ex 1,872 45.70 85,546
2014-03-13 Blakely Robert T Sale 1,609 135.03 217,263
2014-03-03 Bender Mark Steven (Sr VP, CFO and Treasurer) Sale 17,721 133.60 2,367,525
2014-03-03 Bender Mark Steven (Sr VP, CFO and Treasurer) Option Ex 17,721 31.61 560,160
2014-02-28 Teel Lawrence E. (Vice President, Olefins) Sale 1,107 134.71 149,118
2014-02-28 Teel Lawrence E. (Vice President, Olefins) Option Ex 1,014 65.78 66,697
2014-02-28 Hansen David R (Sr VP Adminstration) Sale 4,232 134.50 569,187
2014-02-28 Hansen David R (Sr VP Adminstration) Option Ex 4,232 75.75 320,574
2014-02-28 Riley H John Jr Sale 7,375 134.71 993,449
2014-02-28 Riley H John Jr Option Ex 7,375 22.67 167,176
2014-02-27 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 4,314 132.62 572,114
2014-02-27 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 3,856 65.78 253,636
2014-02-26 Buesinger Robert F. (Sr. Vice President, Vinyls) Sale 2,361 132.95 313,904
2014-02-26 Buesinger Robert F. (Sr. Vice President, Vinyls) Option Ex 2,361 52.97 125,057
2014-02-26 Mangieri George J (VP & Chief Accounting Officer) Sale 354 133.01 47,085
2014-02-24 Mangieri George J (VP & Chief Accounting Officer) Sale 2,985 132.27 394,834
2014-02-24 Mangieri George J (VP & Chief Accounting Officer) Option Ex 2,985 52.97 158,109
2013-11-25 Blakely Robert T Sale 2,534 112.21 284,342
2013-11-11 Lukens Max L Sale 888 113.38 100,682
2013-11-11 Lukens Max L Option Ex 888 24.51 21,764
2013-08-08 Bender Mark Steven (Sr VP, CFO and Treasurer) Sale 3,000 101.00 303,000
2013-08-01 Wallace Stephen (VP, General Counsel, Secretary) Sale 12,786 105.72 1,351,671
2013-08-01 Wallace Stephen (VP, General Counsel, Secretary) Option Ex 12,786 42.15 538,968
2013-08-01 Mangieri George J (VP & Chief Accounting Officer) Sale 2,025 104.67 211,956
2013-08-01 Mangieri George J (VP & Chief Accounting Officer) Option Ex 2,025 45.83 92,805
2013-08-01 Lukens Max L (VP, General Counsel, Secretary) Sale 12,786 105.72 1,351,671
2013-08-01 Lukens Max L (VP, General Counsel, Secretary) Option Ex 12,786 42.15 538,968
2013-05-28 Kenner Andrew (VP - Manufacturing) Sale 9,607 94.13 904,287
2013-05-28 Kenner Andrew (VP - Manufacturing) Option Ex 5,679 42.15 239,386
2013-05-21 Wallace Stephen (VP, General Counsel, Secretary) Sale 9,092 94.02 854,802
2013-05-21 Wallace Stephen (VP, General Counsel, Secretary) Option Ex 9,092 19.29 175,384
2013-05-21 Mangieri George J (VP & Chief Accounting Officer) Sale 1,001 94.50 94,594
2013-05-08 Buesinger Robert F. (Sr. Vice President, Vinyls) Sale 1,478 90.97 134,455
2013-05-08 Buesinger Robert F. (Sr. Vice President, Vinyls) Option Ex 1,478 27.23 40,253
2013-05-08 Wallace Stephen (VP, General Counsel, Secretary) Sale 13,857 89.80 1,244,358
2013-05-08 Wallace Stephen (VP, General Counsel, Secretary) Option Ex 13,857 30.15 417,746
2013-03-25 Bender Mark Steven (Sr VP, CFO and Treasurer) Sale 4,429 95.00 420,755
2013-03-25 Bender Mark Steven (Sr VP, CFO and Treasurer) Option Ex 4,429 29.58 131,009
2013-03-19 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 8,335 95.34 794,700
2013-03-19 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 7,067 42.15 297,895
2013-03-14 Hansen David R (Sr VP Adminstration) Sale 5,597 96.49 540,071
2013-03-14 Hansen David R (Sr VP Adminstration) Option Ex 4,597 17.38 79,895
2013-03-14 Mangieri George J (VP & Chief Accounting Officer) Sale 1,017 96.07 97,700
2013-03-14 Mangieri George J (VP & Chief Accounting Officer) Option Ex 1,017 20.52 20,873
2013-03-13 Condon Donald Marion Jr (Sr VP, Corp Bus Dev) Sale 12,237 94.41 1,155,344
2013-03-13 Condon Donald Marion Jr (Sr VP, Corp Bus Dev) Option Ex 5,609 42.15 236,436
2013-03-13 Mangieri George J (VP & Chief Accounting Officer) Sale 1,291 95.09 122,758
2013-03-13 Mangieri George J (VP & Chief Accounting Officer) Option Ex 1,291 20.52 26,497
2013-03-13 Blakely Robert T Sale 1,844 94.96 175,109
2013-03-13 Blakely Robert T Option Ex 1,844 22.67 41,799
2013-03-12 Teel Lawrence E. (Vice President, Olefins) Sale 1,836 94.69 173,843
2013-03-12 Teel Lawrence E. (Vice President, Olefins) Option Ex 1,415 42.15 59,646
2013-03-11 Buesinger Robert F. (Sr. Vice President, Vinyls) Sale 2,361 93.80 221,449
2013-03-11 Buesinger Robert F. (Sr. Vice President, Vinyls) Option Ex 2,361 52.97 125,057
2013-03-11 Lukens Max L Sale 1,844 92.69 170,927
2013-03-11 Lukens Max L Option Ex 1,844 22.67 41,799
2012-12-10 Buesinger Robert F. (Sr. Vice President, Vinyls) Sale 922 75.68 69,778
2012-12-10 Buesinger Robert F. (Sr. Vice President, Vinyls) Option Ex 922 45.83 42,255
2012-12-10 Mangieri George J (VP & Chief Accounting Officer) Sale 972 76.84 74,689
2012-12-10 Mangieri George J (VP & Chief Accounting Officer) Option Ex 972 36.10 35,089
2012-12-07 Kenner Andrew (VP - Manufacturing) Sale 6,428 73.86 474,772
2012-12-07 Kenner Andrew (VP - Manufacturing) Option Ex 6,428 14.23 91,502
2012-12-07 Chao James (Chairman) Sale 30,193 75.34 2,274,831
2012-12-07 Chao James (Chairman) Option Ex 30,193 20.52 619,711
2012-12-07 Chao Albert (President & CEO) Sale 3,608 73.77 266,144
2012-12-07 Hansen David R (Sr VP Adminstration) Sale 5,000 73.65 368,250
2012-12-07 Hansen David R (Sr VP Adminstration) Option Ex 5,000 14.23 71,175
2012-12-06 Chao James (Chairman) Sale 1,400 73.00 102,200
2012-12-06 Chao James (Chairman) Option Ex 1,400 20.52 28,734
2012-12-06 Chao Albert (President & CEO) Sale 34,262 72.69 2,490,607
2012-12-03 Bender Mark Steven (Sr VP, CFO and Treasurer) Sale 6,083 73.38 446,340
2012-11-30 Condon Donald Marion Jr (Sr VP, Corp Bus Dev) Sale 1,295 72.62 94,042
2012-11-30 Condon Donald Marion Jr (Sr VP, Corp Bus Dev) Option Ex 1,295 45.83 59,349
2012-11-30 Barnett E William Option Ex 1,920 27.12 52,080
2012-11-29 Barnett E William Sale 9,752 72.61 708,102
2012-11-29 Barnett E William Option Ex 7,832 25.19 197,311
2012-11-26 Bender Mark Steven (Sr VP, CFO and Treasurer) Sale 4,407 74.89 330,057
2012-11-26 Bender Mark Steven (Sr VP, CFO and Treasurer) Option Ex 4,407 14.23 62,733
2012-11-26 Chao Albert (President & CEO) Sale 46,613 75.55 3,521,379
2012-11-26 Chao Albert (President & CEO) Option Ex 91,040 23.01 2,095,194
2012-11-23 Bender Mark Steven (Sr VP, CFO and Treasurer) Sale 1,220 75.95 92,659
2012-11-23 Bender Mark Steven (Sr VP, CFO and Treasurer) Option Ex 1,220 14.23 17,366
2012-11-23 Chao Albert (President & CEO) Sale 20,000 76.19 1,523,779
2012-11-23 Chao Albert (President & CEO) Option Ex 39,000 23.01 897,546
2012-08-22 Chao James (Chairman) Sale 33,802 69.04 2,333,825
2012-08-22 Chao James (Chairman) Option Ex 33,802 14.23 481,171
2012-08-09 Kenner Andrew (VP - Manufacturing) Sale 4,155 66.81 277,616
2012-08-09 Kenner Andrew (VP - Manufacturing) Option Ex 4,155 33.18 137,850
2012-08-09 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 11,720 67.10 786,388
2012-08-09 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 9,215 922.34 8,499,353
2012-08-06 Buesinger Robert F. (Sr. Vice President, Vinyls) Sale 1,478 67.16 99,262
2012-08-06 Buesinger Robert F. (Sr. Vice President, Vinyls) Option Ex 1,478 27.23 40,253
2012-08-06 Hansen David R (Sr VP Adminstration) Sale 34,187 85.16 2,911,193
2012-08-06 Hansen David R (Sr VP Adminstration) Option Ex 14,497 26.07 377,893
2012-08-06 Mangieri George J (VP & Chief Accounting Officer) Sale 33,996 67.98 2,311,116
2012-08-06 Mangieri George J (VP & Chief Accounting Officer) Option Ex 27,167 25.04 680,261
2012-05-29 Condon Donald Marion Jr (Sr VP, Olefins & Corp Bus Dev) Sale 18,578 57.28 1,064,203
2012-05-29 Condon Donald Marion Jr (Sr VP, Olefins & Corp Bus Dev) Option Ex 18,578 22.12 411,001
2012-05-29 Chao James (Chairman) Sale 70,194 56.98 3,997,269
2012-05-29 Chao James (Chairman) Option Ex 70,194 14.23 999,211
2012-05-29 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 10,579 56.81 600,982
2012-05-29 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 7,678 31.61 242,701
2012-05-25 Chao James (Chairman) Sale 35,300 55.18 1,947,748
2012-05-25 Chao James (Chairman) Option Ex 35,300 14.50 511,850
2012-05-14 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 6,028 56.62 341,275
2012-05-14 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 6,028 14.23 85,808
2012-05-14 Blakely Robert T Sale 2,324 57.10 132,700
2012-05-14 Blakely Robert T Option Ex 2,324 24.15 56,131
2012-05-10 Lukens Max L Sale 5,765 57.35 330,622
2012-05-10 Lukens Max L Option Ex 2,324 24.15 56,131
2011-11-16 Chao James (Chairman) Sale 1,295 43.71 56,604
2011-11-16 Chao James (Chairman) Option Ex 1,295 14.23 18,434
2011-08-08 Taylor Jeffrey L (Sr VP, Polyethylene) Buy 1,000 37.19 37,190
2011-05-19 Buesinger Robert F. (Sr. Vice President, Vinyls) Sale 1,477 55.41 81,840
2011-05-19 Buesinger Robert F. (Sr. Vice President, Vinyls) Option Ex 1,477 27.23 40,226
2011-05-10 Lukens Max L Sale 5,584 60.65 338,669
2011-05-10 Lukens Max L Option Ex 5,584 25.63 143,134
2011-05-09 Mangieri George J (VP & Chief Accounting Officer) Option Ex 7,489 19.29 144,462
2011-05-06 Mangieri George J (VP & Chief Accounting Officer) Sale 7,435 60.31 448,412
2011-05-06 Mangieri George J (VP & Chief Accounting Officer) Option Ex 7,435 17.38 129,220
2011-03-15 Kenner Andrew (VP - Manufacturing) Sale 9,319 47.87 446,100
2011-03-15 Kenner Andrew (VP - Manufacturing) Option Ex 9,319 17.38 161,964
2011-03-15 Chao James (Chairman) Sale 49,007 50.20 2,460,151
2011-03-15 Chao James (Chairman) Option Ex 49,007 19.29 945,345
2011-03-14 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 2,959 49.94 147,781
2011-03-09 Wallace Stephen (VP, General Counsel, Secretary) Sale 1,388 50.09 69,524
2011-03-09 Wallace Stephen (VP, General Counsel, Secretary) Option Ex 1,388 36.10 50,106
2011-03-08 Mangieri George J (VP & Chief Accounting Officer) Sale 3,225 48.66 156,931
2011-03-08 Mangieri George J (VP & Chief Accounting Officer) Option Ex 3,225 14.23 45,907
2011-03-07 Mangieri George J (VP & Chief Accounting Officer) Sale 1,901 50.05 95,141
2011-03-07 Mangieri George J (VP & Chief Accounting Officer) Option Ex 1,901 14.23 27,060
2011-03-03 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 2,922 49.26 143,943
2011-03-03 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 2,922 20.52 59,974
2011-03-03 Lukens Max L Sale 2,759 48.41 133,563
2011-03-03 Lukens Max L Option Ex 2,759 14.50 40,005
2011-03-02 Hansen David R (Sr VP Administration) Sale 12,627 48.00 606,096
2011-03-02 Hansen David R (Sr VP Administration) Option Ex 12,627 18.02 227,500
2011-03-02 Blakely Robert T Sale 8,343 48.09 401,189
2011-03-02 Blakely Robert T Option Ex 8,343 23.41 195,276
2011-02-28 Hansen David R (Sr VP Adminstration) Sale 8,896 47.47 422,284
2011-02-28 Hansen David R (Sr VP Adminstration) Option Ex 8,896 31.64 281,496
2011-02-28 Mangieri George J (VP & Chief Accounting Officer) Sale 2,241 48.01 107,579
2011-02-25 Bender Mark Steven (Sr V P, CFO & Treasurer) Sale 27,833 46.46 1,293,121
2011-02-25 Bender Mark Steven (Sr V P, CFO & Treasurer) Option Ex 7,767 19.29 149,825
2011-02-25 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 8,995 46.39 417,305
2011-02-25 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 9,595 25.65 246,073
2011-02-24 Condon Donald Marion Jr (Sr VP, Olefins & Corp Bus Dev) Sale 15,272 47.35 723,129
2011-02-24 Condon Donald Marion Jr (Sr VP, Olefins & Corp Bus Dev) Option Ex 15,272 21.71 331,585
2010-11-18 Chao James (Chairman) Sale 32,399 37.50 1,214,962
2010-11-18 Chao James (Chairman) Option Ex 32,399 31.64 1,025,201
2010-11-05 Condon Donald Marion Jr (Sr VP, Olefins & Corp Bus Dev) Sale 5,518 35.99 198,581
2010-11-05 Condon Donald Marion Jr (Sr VP, Olefins & Corp Bus Dev) Option Ex 5,518 14.23 78,548
2010-11-05 Hansen David R (Sr VP Administration) Sale 12,679 36.16 458,497
2010-11-05 Hansen David R (Sr VP Administration) Option Ex 12,679 16.76 212,525
2010-11-05 Mangieri George J (VP & Chief Accounting Officer) Sale 832 36.05 29,991
2010-08-16 Kenner Andrew (VP - Manufacturing) Sale 6,427 28.21 181,286
2010-08-16 Kenner Andrew (VP - Manufacturing) Option Ex 6,427 14.23 91,488
2010-08-16 Hansen David R (Sr VP Adminstration) Sale 1,323 28.56 37,784
2010-08-16 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 3,267 28.21 92,175
2010-08-16 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 3,267 19.29 63,020
2010-08-09 Bender Mark Steven (Sr VP, CFO and Treasurer) Sale 1,000 28.17 28,170
2010-05-09 Mangieri George J (VP & Chief Accounting Officer) Sale 7,489 60.25 451,212
2010-03-11 Morse Wayne D (Sr VP, Vinyls) Sale 5,445 22.50 122,512
2010-03-11 Morse Wayne D (Sr VP, Vinyls) Option Ex 5,445 16.76 91,269
2010-03-03 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 7,009 22.95 160,877
2010-03-03 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 6,028 14.23 85,808
2009-11-09 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 4,484 26.17 117,346
2009-11-09 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 3,267 19.29 63,020
2009-08-07 Hansen David R (Sr VP Adminstration) Sale 9,464 24.57 232,511
2009-08-07 Hansen David R (Sr VP Adminstration) Option Ex 7,767 14.50 112,621
2009-08-06 Taylor Jeffrey L (Sr VP, Polyethylene) Sale 3,967 24.25 96,199
2009-08-06 Taylor Jeffrey L (Sr VP, Polyethylene) Option Ex 3,967 14.50 57,521
2009-08-06 Mangieri George J (VP & Chief Accounting Officer) Sale 4,754 24.17 114,889
2009-08-06 Mangieri George J (VP & Chief Accounting Officer) Option Ex 3,767 14.50 54,621
2009-08-06 Morse Wayne D (Sr VP, Vinyls) Sale 4,108 24.25 99,619
2009-08-06 Morse Wayne D (Sr VP, Vinyls) Option Ex 3,822 19.29 73,726
2008-09-25 Morse Wayne D (Sr VP, Vinyls) Sale 6,672 22.52 150,280
2008-09-25 Morse Wayne D (Sr VP, Vinyls) Option Ex 4,834 14.50 70,093
2007-08-20 Wilder Warren W (Senior Vice President) Option Ex 1,400 14.50 20,300
2007-08-17 Wallace Stephen (VP, General Counsel, Secertary) Sale 4,939 27.77 137,180
2007-08-17 Wallace Stephen (VP, General Counsel, Secertary) Option Ex 4,734 14.50 68,643
2006-11-16 Taylor Jeffrey L (Vice President) Sale 334 35.02 11,698
2006-11-15 Hansen David R (Sr VP Administration) Sale 516 34.22 17,657
2006-11-14 Morse Wayne D (Senior Vice President) Option Ex 1,016 27.22 27,655
2006-11-07 Wallace Stephen (VP, General Counsel, Secretary) Sale 411 32.14 13,209
2006-11-07 Mangieri George J (Vice President & Controller) Sale 280 31.75 8,890
2006-11-07 Wilder Warren W (Senior Vice President) Sale 5,295 32.22 170,604
2006-11-07 Wilder Warren W (Senior Vice President) Option Ex 4,866 14.50 70,557
2006-08-31 Hansen David R (Sr VP Administration) Sale 4,703 29.40 138,268
2006-08-31 Hansen David R (Sr VP Administration) Option Ex 4,703 14.50 68,193
2006-08-30 Wallace Stephen (VP, General Counsel, Secretary) Sale 4,733 29.05 137,493
2006-08-30 Wallace Stephen (VP, General Counsel, Secretary) Option Ex 4,733 14.50 68,628
2006-08-30 Hansen David R (Sr VP Administration) Sale 1,564 29.40 45,981
2006-08-30 Hansen David R (Sr VP Administration) Option Ex 1,564 14.50 22,678
2006-08-30 Mangieri George J (Vice President & Controller) Sale 1,767 29.24 51,667
2006-08-30 Mangieri George J (Vice President & Controller) Option Ex 1,767 14.50 25,621
2006-08-23 Mangieri George J (Vice President & Controller) Sale 2,000 29.47 58,940
2006-08-23 Mangieri George J (Vice President & Controller) Option Ex 2,000 14.50 29,000
2006-08-22 Hansen David R (Sr VP Administration) Sale 1,500 30.00 45,000
2006-08-22 Hansen David R (Sr VP Administration) Option Ex 1,500 14.50 21,750
2006-08-22 Taylor Jeffrey L (Vice President) Sale 3,967 29.40 116,629
2006-08-22 Taylor Jeffrey L (Vice President) Option Ex 3,967 14.50 57,521
2006-08-22 Morse Wayne D (Senior Vice President) Sale 4,833 29.50 142,573
2006-08-22 Morse Wayne D (Senior Vice President) Option Ex 4,833 14.50 70,078
2006-05-02 Ttwf Lp Sale 5,500,000 30.16 165,858,000
2006-05-02 Ttwfgp Llc Sale 5,500,000 30.16 165,858,000
2006-01-12 Morse Wayne D (Senior Vice Presiden) Sale 9,700 31.00 300,700
2006-01-12 Morse Wayne D (Senior Vice Presiden) Option Ex 4,700 14.50 68,150
2006-01-09 Morse Wayne D (Senior Vice Presiden) Option Ex 133 14.50 1,928
2005-01-09 Morse Wayne D (Senior Vice Presiden) Sale 133 31.00 4,123
2004-08-16 Chao James (Chairman of the Board) Buy 20,000 14.50 290,000
2004-08-16 Chao Albert (President and CEO) Buy 20,000 14.50 290,000
2004-08-16 Wallace Stephen (VP, General Counsel, Secretary) Buy 300 14.50 4,350
 1   2 

Insider trading activities including stock purchases, stock sales, and option exercises of WLK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Westlake Chemical Corp (symbol WLK, CIK number 1262823) see the Securities and Exchange Commission (SEC) website.