1262823 - Westlake Chemical Corp - SEC Form 4 Insider Trading Screener

Manufactured Goods - Chemicals - Industrial Organic Chemicals - WLK (1262823)
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S - Sale
A - Grant
D - Sale to Iss
G - Gift
F - Tax
M - Option Ex
X - Option Ex
C - Cnv Deriv
W - Inherited
No deriv Multiple Days
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TCcnt1d1w1m6m
S10+1+2+6+25

X

Filing Date

Trade Date

Ticker

Insider Name

Insider Title

Trade Type 

Share Price

Shares Traded

Shares Owned

Own chg

Value Traded

1d ret

1w ret

1m ret

6m ret

AD
2012-11-26
WLKBender Mark StevenEVP, CFOM - OptEx$14.24+4,40736,281+14%+$62,756
AD
2012-11-26
WLKBender Mark StevenEVP, CFOS - Sale+OE$75.00-4,40736,281-11%-$330,525
2017-12-04
WLKChao JamesCOB, 10%G - Gift$0.00-15,00092,104,5230%-$0
D
2017-12-04
WLKBender Mark StevenEVP, CFOM - OptEx$22.91+6,50024,067+37%+$148,948
D
2017-12-04
WLKBender Mark StevenEVP, CFOS - Sale+OE$97.83-6,50024,067-21%-$635,902
A
2017-12-01
WLKChao JamesCOB, 10%G - Gift$0.00-10,00092,119,5230%-$0
2017-12-01
WLKBuesinger Robert F.EVP, Vinyls ProductsS - Sale$98.50-2,6746,635-29%-$263,389
DM
2017-11-28
WLKChao AlbertPres, CEO, 10%M - OptEx$9.64+41,84492,284,5720%+$403,585
DM
2017-11-28
WLKChao AlbertPres, CEO, 10%S - Sale+OE$94.84-41,84492,284,5720%-$3,968,421
2017-11-29
WLKChao JamesCOB, 10%G - Gift$0.00-10,00092,119,5230%-$0
D
2017-11-27
WLKChao AlbertPres, CEO, 10%M - OptEx$9.64+25,00092,284,5720%+$241,125
D
2017-11-27
WLKChao AlbertPres, CEO, 10%S - Sale+OE$93.96-25,00092,284,5720%-$2,349,055
DM
2017-11-22
WLKChao AlbertPres, CEO, 10%M - OptEx$9.64+45,00092,284,5720%+$434,025
DM
2017-11-22
WLKChao AlbertPres, CEO, 10%S - Sale+OE$94.76-45,00092,284,5720%-$4,264,077
DM
2017-11-22
WLKChao JamesCOB, 10%M - OptEx$60.42+76,13592,129,5230%+$4,599,701
DM
2017-11-22
WLKChao JamesCOB, 10%S - Sale+OE$94.69-76,13592,129,5230%-$7,209,193
D
2017-11-21
WLKChao AlbertPres, CEO, 10%M - OptEx$9.64+25,00092,284,5720%+$241,125
D
2017-11-21
WLKChao AlbertPres, CEO, 10%S - Sale+OE$94.33-25,00092,284,5720%-$2,358,375
2017-11-21
WLKBender Mark StevenEVP, CFOS - Sale$94.27-20,38224,067-46%-$1,921,309
D
2017-11-17
WLKBuesinger Robert F.EVP, Vinyls ProductsM - OptEx$63.98+5,2149,309+127%+$333,579
D
2017-11-17
WLKBuesinger Robert F.EVP, Vinyls ProductsS - Sale+OE$93.82-5,2149,309-36%-$489,199
D
2017-11-13
WLKBender Mark StevenEVP, CFOM - OptEx$10.26+29,80444,449+204%+$305,864
D
2017-11-13
WLKBender Mark StevenEVP, CFOS - Sale+OE$94.02-29,80444,449-40%-$2,802,082
2017-11-14
WLKBlakely Robert TDirS - Sale$92.33-4,36711,700-27%-$403,190
D
2017-11-13
WLKTeel Lawrence E.EVP, OlefinsM - OptEx$57.79+11,912804-107%+$688,452
D
2017-11-13
WLKTeel Lawrence E.EVP, OlefinsS - Sale+OE$93.99-12,712804-94%-$1,194,765
D
2017-11-13
WLKMangieri George JSVP, Chief Accounting OfficerM - OptEx$55.07+10,4663,662-154%+$576,319
D
2017-11-13
WLKMangieri George JSVP, Chief Accounting OfficerS - Sale+OE$94.44-13,3813,662-79%-$1,263,766
D
2017-10-02
WLKEderington L. BenjaminSVP, GC, CAO, SecretaryF - Tax$82.94-2,14110,283-17%-$177,575
D
2017-09-30
WLKEderington L. BenjaminSVP, GC, CAO, SecretaryM - OptEx$0.00+6,70010,283+187%+$0
A
2017-08-17
WLKRiley H John JrDirM - OptEx$0.00+1,00321,692+5%+$0
DM
2017-08-21
WLKRiley H John JrDirM - OptEx$0.00+96021,652+5%+$0
DM
2017-08-21
WLKNorthcutt R BruceDirM - OptEx$0.00+9605,040+24%+$0
DM
2017-08-21
WLKLukens Max LDirM - OptEx$0.00+96020,838+5%+$0
DM
2017-08-21
WLKJenkins Dorothy CDir, 10%M - OptEx$0.00+96092,057,6320%+$0
DM
2017-08-21
WLKGraff Michael JDirM - OptEx$0.00+9605,040+24%+$0
DM
2017-08-21
WLKBlakely Robert TDirM - OptEx$0.00+96016,067+6%+$0
D
2017-08-17
WLKJenkins Dorothy CDir, 10%M - OptEx$0.00+1,00392,056,6720%+$0
D
2017-08-17
WLKJenkins Dorothy CDir, 10%M - OptEx$0.00+1,00392,056,6720%+$0
D
2017-08-17
WLKRiley H John JrDirM - OptEx$0.00+1,00320,692+5%+$0
D
2017-08-17
WLKNorthcutt R BruceDirM - OptEx$0.00+1,0034,080+33%+$0
D
2017-08-17
WLKLukens Max LDirM - OptEx$0.00+1,00319,878+5%+$0
D
2017-08-17
WLKGraff Michael JDirM - OptEx$0.00+1,0034,080+33%+$0
D
2017-08-17
WLKBlakely Robert TDirM - OptEx$0.00+1,00315,107+7%+$0
D
2017-08-17
WLKJenkins Dorothy CDir, 10%M - OptEx$0.00+1,00392,056,6720%+$0
2017-08-15
WLKBender Mark StevenEVP, CFOS - Sale$70.22-13,79444,449-24%-$968,620
D
2017-08-14
WLKJenkins Dorothy CDir, 10%M - OptEx$13.56+3,84092,055,6690%+$52,080
2017-05-17
WLKMangieri George JVP, Chief Accounting OfficerS - Sale$62.21-6,5786,577-50%-$409,198
2017-03-10
WLKBender Mark StevenSVP, CFO, TreasurerS - Sale$64.32-12,00058,243-17%-$771,785-2+3+3
D
2017-03-01
WLKBuesinger Robert F.SVP, VinylsM - OptEx$45.00+8,1939,309+734%+$368,7210-20
D
2017-03-01
WLKBuesinger Robert F.SVP, VinylsS - Sale+OE$66.25-8,1939,309-47%-$542,7860-20
D
2017-02-15
WLKMangieri George JVP, Chief Accounting OfficerF - Tax$64.01-32013,155-2%-$20,483-2+1+7
D
2017-02-14
WLKMangieri George JVP, Chief Accounting OfficerM - OptEx$0.00+97213,155+8%+$0-2+1+7
D
2017-02-15
WLKTeel Lawrence E.SVP, OlefinsF - Tax$64.01-3601,604-18%-$23,044-2+1+7
D
2017-02-14
WLKTeel Lawrence E.SVP, OlefinsM - OptEx$0.00+1,0941,604+215%+$0-2+1+7
D
2017-02-15
WLKKenner AndrewVP - ManufacturingF - Tax$64.01-52212,707-4%-$33,413-2+1+7
D
2017-02-14
WLKKenner AndrewVP - ManufacturingM - OptEx$0.00+1,67412,707+15%+$0-2+1+7
D
2017-02-15
WLKBender Mark StevenSVP, CFO, TreasurerF - Tax$64.01-90970,243-1%-$58,185-2+1+7
D
2017-02-14
WLKBender Mark StevenSVP, CFO, TreasurerM - OptEx$0.00+3,15270,243+5%+$0-2+1+7
D
2017-02-15
WLKBuesinger Robert F.SVP, VinylsF - Tax$64.01-5209,309-5%-$33,285-2+1+7
D
2017-02-14
WLKBuesinger Robert F.SVP, VinylsM - OptEx$0.00+1,6749,309+22%+$0-2+1+7
D
2017-02-15
WLKMattina Michael J.SVP, PolyethyleneF - Tax$64.01-2176,506-3%-$13,890-2+1+7
D
2017-02-14
WLKMattina Michael J.SVP, PolyethyleneM - OptEx$0.00+6606,506+11%+$0-2+1+7
D
2017-02-14
WLKEderington L. BenjaminVP, GC, Corp SecyM - OptEx$0.00+3425,724+6%+$0-2+1+7
D
2017-02-15
WLKChao JamesCOB, 10%F - Tax$64.01-2,83792,129,5230%-$181,596-2+1+7
D
2017-02-14
WLKChao JamesCOB, 10%M - OptEx$0.00+10,27492,129,5230%+$0-2+1+7
D
2017-02-15
WLKChao AlbertPres, CEO, 10%F - Tax$64.01-3,52292,284,5720%-$225,443-2+1+7
D
2017-02-14
WLKChao AlbertPres, CEO, 10%M - OptEx$0.00+12,83892,284,5720%+$0-2+1+7
M
2016-11-16
WLKChao JamesCOB, 10%S - Sale$54.15-20,00092,386,7880%-$1,082,916+6+5+10
M
2016-11-16
WLKChao AlbertPres, CEO, 10%S - Sale$54.15-20,00092,386,7880%-$1,082,916+6+5+10
D
2016-11-15
WLKMattina Michael J.SVP, PolyethyleneM - OptEx$19.43+18,2746,063-150%+$355,117-1+4+9
D
2016-11-15
WLKMattina Michael J.SVP, PolyethyleneS - Sale+OE$53.78-18,2746,063-75%-$982,776-1+4+9
M
2016-11-14
WLKChao JamesCOB, 10%S - Sale$52.95-20,00092,406,7880%-$1,059,034-2+2+6
M
2016-11-14
WLKChao AlbertPres, CEO, 10%S - Sale$52.95-20,00092,406,7880%-$1,059,034-2+2+6
2016-11-11
WLKMangieri George JVP, Chief Accounting OfficerS - Sale$52.91-5,69612,503-31%-$301,367+2-2+8
D
2016-11-10
WLKBuesinger Robert F.SVP, VinylsM - OptEx$30.05+2,8808,155+55%+$86,551+2-2+8
D
2016-11-10
WLKBuesinger Robert F.SVP, VinylsS - Sale+OE$54.42-2,8808,155-26%-$156,737+2-2+8
D
2016-10-03
WLKEderington L. BenjaminVP, GC, Corp SecyF - Tax$53.51-1,3185,382-20%-$70,526+3+5-2+27
D
2016-09-30
WLKEderington L. BenjaminVP, GC, Corp SecyM - OptEx$0.00+4,7865,382+803%+$0+3+5-2+27
2016-09-09
WLKBates SimonVP, Building ProductsF - Tax$51.11-13,21214,930-47%-$675,256-30+9+31
2016-09-01
WLKBates SimonVP, Building ProductsA - Grant$0.00+28,14228,142New+$0-1-4-1+26
2016-08-24
WLKMattina Michael J.SVP, PolyethyleneF - Tax$51.93-2,4436,063-29%-$126,865-1+1-2+25
D
2016-08-24
WLKMangieri George JVP, Chief Accounting OfficerF - Tax$51.93-5,69618,199-24%-$295,793-1+1-2+25
D
2016-08-23
WLKMangieri George JVP, Chief Accounting OfficerM - OptEx$15.80+30,71418,199-245%+$485,435-1+1-2+25
D
2016-08-23
WLKMangieri George JVP, Chief Accounting OfficerS - Sale+OE$52.00-30,71418,199-63%-$1,597,156-1+1-2+25
D
2016-08-24
WLKBender Mark StevenSVP, CFO, TreasurerF - Tax$51.93-6,74968,000-9%-$350,476-1+1-2+25
D
2016-08-23
WLKBender Mark StevenSVP, CFO, TreasurerM - OptEx$15.80+30,71468,000+82%+$485,435-1+1-2+25
DM
2016-08-22
WLKRiley H John JrDirM - OptEx$0.00+1,54820,689+8%+$0+2+30+25
DM
2016-08-22
WLKGraff Michael JDirM - OptEx$0.00+1,5483,077+101%+$0+2+30+25
DM
2016-08-22
WLKLukens Max LDirM - OptEx$0.00+1,54818,875+9%+$0+2+30+25
DM
2016-08-22
WLKBlakely Robert TDirM - OptEx$0.00+1,54814,104+12%+$0+2+30+25
DM
2016-08-22
WLKJenkins Dorothy CDir, 10%M - OptEx$0.00+1,54892,051,8290%+$0+2+30+25
DM
2016-08-22
WLKNorthcutt R BruceDirM - OptEx$0.00+1,5483,077+101%+$0+2+30+25
D
2016-02-17
WLKTeel Lawrence E.SVP, OlefinsF - Tax$43.52-257870-23%-$11,185-4-6+9+11
D
2016-02-15
WLKTeel Lawrence E.SVP, OlefinsM - OptEx$0.00+774870+806%+$0-4-6+9+11
D
2016-02-17
WLKMattina Michael J.SVP, PolyethyleneF - Tax$43.52-2968,506-3%-$12,882-4-6+9+11
D
2016-02-15
WLKMattina Michael J.SVP, PolyethyleneM - OptEx$0.00+8928,506+12%+$0-4-6+9+11
D
2016-02-17
WLKMangieri George JVP, Chief Accounting OfficerF - Tax$43.52-45123,895-2%-$19,628-4-6+9+11
D
2016-02-15
WLKMangieri George JVP, Chief Accounting OfficerM - OptEx$0.00+1,36223,895+6%+$0-4-6+9+11
D
2016-02-17
WLKKenner AndrewVP - ManufacturingF - Tax$43.52-70311,555-6%-$30,595-4-6+9+11

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AAmended filing
DDerivative transaction in filing (usually option exercise)
EError detected in filing
MMultiple transactions in filing; earliest reported transaction date and weighted average transaction price
S - SaleSale of securities on an exchange or to another person
S - Sale+OESale of securities on an exchange or to another person (after option exercise)
F - TaxPayment of exercise price or tax liability using portion of securities received from the company
P - PurchasePurchase of securities on an exchange or from another person
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