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

Manufactured Goods - Chemicals - Industrial Organic Chemicals - WLK (1262823)
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W - Inherited
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S2-1+0+2+0

X

Filing Date

Trade Date

Ticker

Insider Name

Insider Title

Trade Type 

Price

Qty

Owned

ΔOwn

Value

1d

1w

1m

6m

D
2018-08-21
WLKRiley H John JrDirM - OptEx$0.00+60325,979+2%+$0
D
2018-08-21
WLKNorthcutt R BruceDirM - OptEx$0.00+6038,367+8%+$0
D
2018-08-21
WLKLukens Max LDirM - OptEx$0.00+6036,607+10%+$0
D
2018-08-21
WLKGraff Michael JDirM - OptEx$0.00+6038,367+8%+$0
D
2018-08-21
WLKBlakely Robert TDirM - OptEx$0.00+60310,989+6%+$0
D
2018-08-21
WLKJenkins Dorothy CDir, 10%M - OptEx$0.00+60392,068,5590%+$0
2018-05-24
WLKChao JamesCOB, 10%S - Sale$120.69-33,30592,062,0460%-$4,019,580
D
2018-05-21
WLKBender Mark StevenEVP, CFOM - OptEx$68.09+12,06615,810+322%+$821,574
D
2018-05-21
WLKBender Mark StevenEVP, CFOS - Sale+OE$122.83-12,06615,810-43%-$1,482,122
2018-05-15
WLKBuesinger Robert F.EVP, Vinyl ProductsS - Sale$118.88-1,4472,642-35%-$172,012
D
2018-05-11
WLKBender Mark StevenEVP, CFOM - OptEx$28.02+23,50615,810-305%+$658,736
D
2018-05-11
WLKBender Mark StevenEVP, CFOS - Sale+OE$117.33-23,50615,810-60%-$2,757,959
D
2018-05-10
WLKJenkins Dorothy CDir, 10%M - OptEx$10.41+7,65292,065,2320%+$79,676
D
2018-05-10
WLKJenkins Dorothy CDir, 10%S - Sale+OE$117.01-5292,065,2320%-$6,085
D
2018-03-09
WLKKenner AndrewSVP - Chemical ManufacturingM - OptEx$61.87+3,41211,437+43%+$211,083
D
2018-03-09
WLKKenner AndrewSVP - Chemical ManufacturingS - Sale+OE$120.00-6,02811,437-35%-$723,360
D
2018-03-05
WLKBuesinger Robert F.EVP, Vinyl ProductsM - OptEx$59.49+15,3154,089-136%+$911,037
D
2018-03-05
WLKBuesinger Robert F.EVP, Vinyl ProductsS - Sale+OE$113.04-19,3494,089-83%-$2,187,203
2018-03-05
WLKMangieri George JSVP, Chief Accounting OfficerS - Sale$113.41-2,1612,160-50%-$245,079
D
2018-03-05
WLKKenner AndrewSVP - Chemical ManufacturingM - OptEx$54.77+24,31814,053-237%+$1,331,968
D
2018-03-05
WLKKenner AndrewSVP - Chemical ManufacturingS - Sale+OE$110.61-24,31814,053-63%-$2,689,814
D
2018-02-28
WLKMangieri George JSVP, Chief Accounting OfficerM - OptEx$56.07+4,3354,321-30964%+$243,058
D
2018-02-28
WLKMangieri George JSVP, Chief Accounting OfficerS - Sale+OE$111.22-4,3354,321-50%-$482,139
2018-02-27
WLKBlakely Robert TDirS - Sale$111.00-4,0387,662-35%-$448,218
D
2018-02-26
WLKTeel Lawrence E.EVP, OlefinsM - OptEx$55.84+9,3512,122-129%+$522,186
D
2018-02-26
WLKTeel Lawrence E.EVP, OlefinsS - Sale+OE$111.86-9,3512,122-82%-$1,046,003
2018-02-26
WLKBender Mark StevenEVP, CFOS - Sale$111.69-5,00015,810-24%-$558,470
2018-02-22
WLKBender Mark StevenEVP, CFOS - Sale$110.64-2,00020,810-9%-$221,270
2018-02-22
WLKLukens Max LDirS - Sale$110.93-17,5583,280-84%-$1,947,757
D
2018-02-22
WLKEderington L. BenjaminSVP, GC, CAO, SecretaryM - OptEx$67.46+6,94212,045+136%+$468,297
D
2018-02-22
WLKEderington L. BenjaminSVP, GC, CAO, SecretaryS - Sale+OE$111.45-6,94212,045-37%-$773,665
2018-02-22
WLKBender Mark StevenEVP, CFOS - Sale$110.97-4,00022,810-15%-$443,880
D
2018-02-20
WLKEderington L. BenjaminSVP, GC, CAO, SecretaryM - OptEx$0.00+1,76212,045+17%+$0
D
2018-02-20
WLKChao AlbertPres, CEO, 10%M - OptEx$0.00+13,58592,292,9550%+$0
D
2018-02-21
WLKChao AlbertPres, CEO, 10%F - Tax$106.98-5,20292,292,9550%-$556,510
D
2018-02-20
WLKKenner AndrewSVP - Chemical ManufacturingM - OptEx$0.00+1,80214,053+15%+$0
D
2018-02-21
WLKKenner AndrewSVP - Chemical ManufacturingF - Tax$106.98-45614,053-3%-$48,783
D
2018-02-20
WLKTeel Lawrence E.EVP, OlefinsM - OptEx$0.00+1,7622,122+489%+$0
D
2018-02-21
WLKTeel Lawrence E.EVP, OlefinsF - Tax$106.98-4442,122-17%-$47,499
D
2018-02-20
WLKBender Mark StevenEVP, CFOM - OptEx$0.00+3,61926,810+16%+$0
D
2018-02-21
WLKBender Mark StevenEVP, CFOF - Tax$106.98-87626,810-3%-$93,714
D
2018-02-20
WLKChao JamesCOB, 10%M - OptEx$0.00+10,86892,095,3510%+$0
D
2018-02-21
WLKChao JamesCOB, 10%F - Tax$106.98-4,17292,095,3510%-$446,321
D
2018-02-20
WLKMangieri George JSVP, Chief Accounting OfficerM - OptEx$0.00+9134,321+27%+$0
D
2018-02-21
WLKMangieri George JSVP, Chief Accounting OfficerF - Tax$106.98-2544,321-6%-$27,173
D
2018-02-20
WLKBuesinger Robert F.EVP, Vinyl ProductsM - OptEx$0.00+1,9828,123+32%+$0
D
2018-02-21
WLKBuesinger Robert F.EVP, Vinyl ProductsF - Tax$106.98-4948,123-6%-$52,848
M
2011-03-09
WLKChao JamesCOB, 10%G - Gift$0.00-15,86892,088,6550%-$0
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
2017-09-30
WLKEderington L. BenjaminSVP, GC, CAO, SecretaryM - OptEx$0.00+6,70010,283+187%+$0
D
2017-10-02
WLKEderington L. BenjaminSVP, GC, CAO, SecretaryF - Tax$82.94-2,14110,283-17%-$177,575
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
2017-02-14
WLKMangieri George JVP, Chief Accounting OfficerM - OptEx$0.00+97213,155+8%+$0-2+1+7
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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