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WESTLAKE CORP

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3555
SEC CIK
0001262823
Parsed reports
574

Last 12 months

Inside the activity.

0 purchase rows · 9 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202503
Jan 202600
Feb 202602
Mar 202602
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202602
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 21, 2018 Filed Aug 22, 2018 13:31 UTC Exercise / conversionCommon Stock 603 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001611 · doc1.xml · nonDerivative · entry 1

NORTHCUTT R BRUCE · CIK 0001307964 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,367

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 21, 2018 Filed Aug 22, 2018 13:29 UTC Exercise / conversionRestricted Stock Units · Derivative 603 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001608 · doc1.xml · derivative · entry 2

BLAKELY ROBERT T · CIK 0001218020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 603 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: On August 21, 2015 the reporting person was granted 1,809 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On August 21, 2015 the reporting person was granted 1,809 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

Read SEC document
August 21, 2018 Filed Aug 22, 2018 13:29 UTC Exercise / conversionCommon Stock 603 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001608 · doc1.xml · nonDerivative · entry 1

BLAKELY ROBERT T · CIK 0001218020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,989

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 10:52 UTC
LUKENS MAX LDirector
Exercise / conversionRestricted Stock Units · Derivative 1,721 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001439 · doc1.xml · derivative · entry 5

LUKENS MAX L · CIK 0001040101 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,721 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F3 · derivative.exercise_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 10:52 UTC
LUKENS MAX LDirector
Exercise / conversionCommon Stock 1,721 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001439 · doc1.xml · nonDerivative · entry 2

LUKENS MAX L · CIK 0001040101 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,004

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 11:36 UTC Exercise / conversionRestricted Stock Units · Derivative 1,721 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001444 · doc1.xml · derivative · entry 5

RILEY H JOHN JR · CIK 0001173593 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,721 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F3 · derivative.exercise_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 11:36 UTC Exercise / conversionCommon Stock 1,721 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001444 · doc1.xml · nonDerivative · entry 2

RILEY H JOHN JR · CIK 0001173593 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,376

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 14:49 UTC Exercise / conversionRestricted Stock Units · Derivative 1,721 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001436 · doc1.xml · derivative · entry 5

Graff Michael J · CIK 0001457009 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,721 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F3 · derivative.exercise_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 14:49 UTC Exercise / conversionCommon Stock 1,721 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001436 · doc1.xml · nonDerivative · entry 2

Graff Michael J · CIK 0001457009 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,764

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 10:50 UTC
Jenkins Dorothy CDirector · 10% owner
Exercise / conversionRestricted Stock Units · Derivative 1,721 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001438 · doc1.xml · derivative · entry 6

Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,721 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F3 · derivative.exercise_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 10:50 UTC
Jenkins Dorothy CDirector · 10% owner
Exercise / conversionCommon Stock 1,721 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001438 · doc1.xml · nonDerivative · entry 2

Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,402

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 14:53 UTC Exercise / conversionRestricted Stock Units · Derivative 1,721 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001441 · doc1.xml · derivative · entry 5

NORTHCUTT R BRUCE · CIK 0001307964 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,721 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F3 · derivative.exercise_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 14:53 UTC Exercise / conversionCommon Stock 1,721 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001441 · doc1.xml · nonDerivative · entry 2

NORTHCUTT R BRUCE · CIK 0001307964 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,764

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 14:48 UTC Exercise / conversionRestricted Stock Units · Derivative 1,721 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001434 · doc1.xml · derivative · entry 5

BLAKELY ROBERT T · CIK 0001218020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,721 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F3 · derivative.exercise_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 18, 2017 the reporting person was granted 1,721 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 18, 2018 Filed Aug 20, 2018 14:48 UTC Exercise / conversionCommon Stock 1,721 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001434 · doc1.xml · nonDerivative · entry 2

BLAKELY ROBERT T · CIK 0001218020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,386

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 10:52 UTC
LUKENS MAX LDirector
GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001439 · doc1.xml · derivative · entry 4

LUKENS MAX L · CIK 0001040101 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F4 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F4 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 10:52 UTC
LUKENS MAX LDirector
Exercise / conversionRestricted Stock Units · Derivative 1,003 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001439 · doc1.xml · derivative · entry 3

LUKENS MAX L · CIK 0001040101 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,003

Underlying: Common Stock · 1,003 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 10:52 UTC
LUKENS MAX LDirector
Exercise / conversionCommon Stock 1,003 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001439 · doc1.xml · nonDerivative · entry 1

LUKENS MAX L · CIK 0001040101 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,283

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 11:36 UTC GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001444 · doc1.xml · derivative · entry 4

RILEY H JOHN JR · CIK 0001173593 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F4 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F4 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 11:36 UTC Exercise / conversionRestricted Stock Units · Derivative 1,003 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001444 · doc1.xml · derivative · entry 3

RILEY H JOHN JR · CIK 0001173593 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,003

Underlying: Common Stock · 1,003 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 11:36 UTC Exercise / conversionCommon Stock 1,003 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001444 · doc1.xml · nonDerivative · entry 1

RILEY H JOHN JR · CIK 0001173593 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,655

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:49 UTC
Chao David Tsung-HungDirector · 10% owner
GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001435 · doc1.xml · derivative · entry 1

Chao David Tsung-Hung · CIK 0001726418 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:49 UTC GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001436 · doc1.xml · derivative · entry 4

Graff Michael J · CIK 0001457009 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F4 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F4 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:49 UTC Exercise / conversionRestricted Stock Units · Derivative 1,003 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001436 · doc1.xml · derivative · entry 3

Graff Michael J · CIK 0001457009 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,003

Underlying: Common Stock · 1,003 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:49 UTC Exercise / conversionCommon Stock 1,003 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001436 · doc1.xml · nonDerivative · entry 1

Graff Michael J · CIK 0001457009 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,043

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:54 UTC GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001442 · doc1.xml · derivative · entry 1

Sheets Jeffrey Wayne · CIK 0001447712 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 10:50 UTC
Jenkins Dorothy CDirector · 10% owner
GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001438 · doc1.xml · derivative · entry 5

Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F4 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F4 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 10:50 UTC
Jenkins Dorothy CDirector · 10% owner
Exercise / conversionRestricted Stock Units · Derivative 1,003 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001438 · doc1.xml · derivative · entry 4

Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,003

Underlying: Common Stock · 1,003 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 10:50 UTC
Jenkins Dorothy CDirector · 10% owner
Exercise / conversionCommon Stock 1,003 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001438 · doc1.xml · nonDerivative · entry 1

Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,681

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:53 UTC GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001441 · doc1.xml · derivative · entry 4

NORTHCUTT R BRUCE · CIK 0001307964 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F4 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F4 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:53 UTC Exercise / conversionRestricted Stock Units · Derivative 1,003 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001441 · doc1.xml · derivative · entry 3

NORTHCUTT R BRUCE · CIK 0001307964 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,003

Underlying: Common Stock · 1,003 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:53 UTC Exercise / conversionCommon Stock 1,003 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001441 · doc1.xml · nonDerivative · entry 1

NORTHCUTT R BRUCE · CIK 0001307964 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,043

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:48 UTC GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001434 · doc1.xml · derivative · entry 4

BLAKELY ROBERT T · CIK 0001218020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F4 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F4 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 14:48 UTC Exercise / conversionRestricted Stock Units · Derivative 1,003 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001434 · doc1.xml · derivative · entry 3

BLAKELY ROBERT T · CIK 0001218020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,003

Underlying: Common Stock · 1,003 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

F2 · derivative.exercise_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

F2 · derivative.expiration_date: On August 17, 2016 the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.

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August 17, 2018 Filed Aug 20, 2018 14:48 UTC Exercise / conversionCommon Stock 1,003 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-18-001434 · doc1.xml · nonDerivative · entry 1

BLAKELY ROBERT T · CIK 0001218020 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,665

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into the Issuer's common stock on a one-for-one basis.

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August 17, 2018 Filed Aug 20, 2018 14:52 UTC GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001440 · doc1.xml · derivative · entry 1

MCCOLLUM MARK A · CIK 0001215888 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

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August 17, 2018 Filed Aug 20, 2018 14:50 UTC
Haas MariusDirector
GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001437 · doc1.xml · derivative · entry 1

Haas Marius · CIK 0001556683 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

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August 17, 2018 Filed Aug 20, 2018 14:35 UTC
Chao John Tsung-chenDirector · 10% owner
GrantRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-18-001429 · doc1.xml · derivative · entry 1

Chao John Tsung-chen · CIK 0001746472 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,409

Underlying: Common Stock · 1,409 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 17, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 17, 2019.

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May 24, 2018 Filed May 25, 2018 09:45 UTC
Chao JamesDirector · Chairman · 10% owner
SaleCommon Stock 33,305 $120.69 $4,019,580.45
Disclosure

SEC source: 0001140361-18-025633 · doc1.xml · nonDerivative · entry 1

Chao James · CIK 0001299505 · Director · Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,492

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $120.50 to $120.93, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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May 21, 2018 Filed May 22, 2018 16:18 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 12,066 $0.00 Strike: $68.09 $0.00
Disclosure

SEC source: 0001140361-18-025119 · doc1.xml · derivative · entry 5

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,066 shares

Expires 2025-02-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 20, 2016, 2017 and 2018, respectively.

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May 21, 2018 Filed May 22, 2018 16:18 UTC SaleCommon Stock 261 $123.59 $32,256.99
Disclosure

SEC source: 0001140361-18-025119 · doc1.xml · nonDerivative · entry 4

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,810

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $123.58 to $123.61, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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May 21, 2018 Filed May 22, 2018 16:18 UTC SaleCommon Stock 9,505 $123.04 $1,169,495.20
Disclosure

SEC source: 0001140361-18-025119 · doc1.xml · nonDerivative · entry 3

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,071

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $122.52 to $123.51, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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May 21, 2018 Filed May 22, 2018 16:18 UTC SaleCommon Stock 2,300 $121.90 $280,370.00
Disclosure

SEC source: 0001140361-18-025119 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,576

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $121.51 to $122.50, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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May 21, 2018 Filed May 22, 2018 16:18 UTC Exercise / conversionCommon Stock 12,066 $68.09 $821,573.94
Disclosure

SEC source: 0001140361-18-025119 · doc1.xml · nonDerivative · entry 1

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,876

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 18, 2018 Filed May 21, 2018 09:55 UTC
LUKENS MAX LDirector
GrantRestricted Stock Units · Derivative 103 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-024827 · doc1.xml · derivative · entry 1

LUKENS MAX L · CIK 0001040101 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103

Underlying: Common Stock · 103 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on May 18, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on May 18, 2019.

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May 18, 2018 Filed May 21, 2018 09:56 UTC GrantRestricted Stock Units · Derivative 144 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-024829 · doc1.xml · derivative · entry 1

RILEY H JOHN JR · CIK 0001173593 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144

Underlying: Common Stock · 144 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on May 18, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on May 18, 2019.

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May 18, 2018 Filed May 21, 2018 13:54 UTC GrantRestricted Stock Units · Derivative 103 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-024825 · doc1.xml · derivative · entry 1

Graff Michael J · CIK 0001457009 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103

Underlying: Common Stock · 103 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on May 18, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on May 18, 2019.

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May 18, 2018 Filed May 21, 2018 09:55 UTC
Jenkins Dorothy CDirector · 10% owner
GrantRestricted Stock Units · Derivative 103 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-024826 · doc1.xml · derivative · entry 1

Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103

Underlying: Common Stock · 103 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on May 18, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on May 18, 2019.

Read SEC document
May 18, 2018 Filed May 21, 2018 13:57 UTC GrantRestricted Stock Units · Derivative 987 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-024830 · doc1.xml · derivative · entry 1

MCCOLLUM MARK A · CIK 0001215888 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock · 987 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on May 18, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on May 18, 2019.

Read SEC document
May 18, 2018 Filed May 21, 2018 13:56 UTC GrantRestricted Stock Units · Derivative 144 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-024828 · doc1.xml · derivative · entry 1

NORTHCUTT R BRUCE · CIK 0001307964 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144

Underlying: Common Stock · 144 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: All of the restricted stock units will vest on May 18, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on May 18, 2019.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.