Insider Derivatives


WESTLAKE CHEMICAL CORP

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WESTLAKE CHEMICAL CORP

$WLK

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Trade Date Insider Insider Title Security Type Execution Date Exercise Date Expiration Date Share Price Quantity Shares Owned Shares Code Transaction Code Swap Under SEC Title Under Sec Shares Nature of Ownership SEC Link
2020-04-30Roger L. KearnsRestricted Stock Units$0.009,2240DM0Common Stock9,224DForm 4
2020-05-15Kimberly S LubelRestricted Stock Units$0.003,7803,780AA0Common Stock3,780DForm 4
2020-08-14Mark A MccollumRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16Mark A MccollumRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-08-14David Tsung-hung ChaoRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16David Tsung-hung ChaoRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-08-14John Tsung-chen ChaoRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16John Tsung-chen ChaoRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-08-14Michael J GraffRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16Michael J GraffRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-08-14Marius HaasRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16Marius HaasRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-08-14Dorothy C JenkinsRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16Dorothy C JenkinsRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-08-14Kimberly S LubelRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-14R Bruce NorthcuttRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16R Bruce NorthcuttRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-08-14Jeffrey Wayne SheetsRestricted Stock Units$0.002,4002,400AA0Common Stock2,400DForm 4
2020-08-16Jeffrey Wayne SheetsRestricted Stock Units$0.002,3870DM0Common Stock2,387DForm 4
2020-11-05Mark Steven BenderEmployee Option (right to buy)2026-02-18$0.0024,9960DM0Common Stock24,996DForm 4
2020-11-06Albert ChaoEmployee Option (right to buy)2021-02-18$0.0055,1480DM0Common Stock55,148DForm 4
2020-11-24Robert F. BuesingerEmployee Option (right to buy)2026-02-18$0.004,5810DM0Common Stock4,581DForm 4
2021-02-14L. Benjamin EderingtonRestricted Stock Units$0.001,0960DM0Common Stock1,096DForm 4
2021-02-14Roger L. KearnsRestricted Stock Units$0.002,1500DM0Common Stock2,150DForm 4
2021-02-14Albert ChaoRestricted Stock Units$0.003,9660DM0Common Stock3,966DForm 4
2021-02-14James ChaoRestricted Stock Units$0.003,0720DM0Common Stock3,072DForm 4
2021-02-14Robert F. BuesingerRestricted Stock Units$0.001,1280DM0Common Stock1,128DForm 4
2021-02-14Andrew KennerRestricted Stock Units$0.008300DM0Common Stock830DForm 4
2021-02-14Albert ChaoRestricted Stock Units$0.003,9660DM0Common Stock3,966DForm 4
2021-02-14Andrew KennerRestricted Stock Units$0.008300DM0Common Stock830DForm 4
2021-02-14Robert F. BuesingerRestricted Stock Units$0.001,1280DM0Common Stock1,128DForm 4
2021-02-14Mark Steven BenderRestricted Stock Units$0.001,4780DM0Common Stock1,478DForm 4
2021-02-14Mark Steven BenderRestricted Stock Units$0.001,4780DM0Common Stock1,478DForm 4
2021-02-14Lawrence E. TeelRestricted Stock Units$0.001,1120DM0Common Stock1,112DForm 4
2021-02-16Lawrence E. TeelRestricted Stock Units$0.002,2950DM0Common Stock2,295DForm 4
2021-02-16Andrew KennerRestricted Stock Units$0.001,9240DM0Common Stock1,924DForm 4
2021-02-16James ChaoRestricted Stock Units$0.009,4800DM0Common Stock9,480DForm 4
2021-02-16Albert ChaoRestricted Stock Units$0.0011,9830DM0Common Stock11,983DForm 4
2021-02-16Robert F. BuesingerRestricted Stock Units$0.002,5690DM0Common Stock2,569DForm 4
2021-02-16Mark Steven BenderRestricted Stock Units$0.003,2300DM0Common Stock3,230DForm 4
2021-02-16L. Benjamin EderingtonRestricted Stock Units$0.002,4720DM0Common Stock2,472DForm 4
2021-02-19Mark Steven BenderEmployee Option (right to buy)2031-02-19$0.0019,10019,100AA0Common Stock19,100DForm 4
2021-02-19Mark Steven BenderRestricted Stock Units$0.005,5585,558AA0Common Stock5,558DForm 4
2021-02-19Robert F. BuesingerEmployee Option (right to buy)2031-02-19$0.0014,71814,718AA0Common Stock14,718DForm 4
2021-02-19Robert F. BuesingerRestricted Stock Units$0.004,2834,283AA0Common Stock4,283DForm 4
2021-02-19Albert ChaoEmployee Option (right to buy)2031-02-19$0.0068,07468,074AA0Common Stock68,074DForm 4
2021-02-19Albert ChaoRestricted Stock Units$0.0019,81019,810AA0Common Stock19,810DForm 4
2021-02-19James ChaoEmployee Option (right to buy)2031-02-19$0.0037,02637,026AA0Common Stock37,026DForm 4
2021-02-19James ChaoRestricted Stock Units$0.0010,77410,774AA0Common Stock10,774DForm 4
2021-02-19L. Benjamin EderingtonEmployee Option (right to buy)2031-02-19$0.0015,07915,079AA0Common Stock15,079DForm 4
2021-02-19L. Benjamin EderingtonRestricted Stock Units$0.004,3884,388AA0Common Stock4,388DForm 4
2021-02-19Roger L. KearnsEmployee Option (right to buy)2031-02-19$0.0018,79618,796AA0Common Stock18,796DForm 4
2021-02-19Roger L. KearnsRestricted Stock Units$0.005,4705,470AA0Common Stock5,470DForm 4
2021-02-19Andrew KennerEmployee Option (right to buy)2031-02-19$0.009,3369,336AA0Common Stock9,336DForm 4
2021-02-19Andrew KennerRestricted Stock Units$0.002,7172,717AA0Common Stock2,717DForm 4
2021-02-19Johnathan Stevan ZoellerEmployee Option (right to buy)2031-02-19$0.002,9752,975AA0Common Stock2,975DForm 4
2021-02-19Johnathan Stevan ZoellerRestricted Stock Units$0.00866866AA0Common Stock866DForm 4