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person · Reporting owner

Chao David Tsung-Hung

Disclosed activity across 1 company

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22888
SEC CIK
0001726418

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
WESTLAKE CORPWLK · Entity 3555DirectorAugust 14, 2026August 17, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

WESTLAKE CORP

Report date August 14, 2026 · Filed August 17, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect2,184 Reported balance After 2026-08-14 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-08-14 · Grant · Acquired 2,184 · Balance 2,184

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

F2: All of the restricted stock units will vest on August 14, 2027.

Filing footnotes · ownership attribution and instrument terms

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

F2: All of the restricted stock units will vest on August 14, 2027.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 14, 2026 Filed Aug 17, 2026 16:25 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 2,184 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-353623 · ownership.xml · derivative · entry 1

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,184

Underlying: Common Stock · 2,184 shares

Expires not disclosed

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

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 14, 2027.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 14, 2027.

Read SEC document
August 08, 2026 Filed Aug 10, 2026 17:50 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 2,168 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-341997 · ownership.xml · derivative · entry 3

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,168

Underlying: Common Stock · 2,168 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 8, 2025 the reporting person was granted 2,168 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 8, 2025 the reporting person was granted 2,168 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 08, 2026 Filed Aug 10, 2026 17:50 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 2,168 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-341997 · ownership.xml · nonDerivative · entry 1

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,080

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 09, 2025 Filed Aug 11, 2025 14:17 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 1,128 $0.00 $0.00
Disclosure

SEC source: 0001726418-25-000004 · ownership.xml · derivative · entry 4

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,128 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.

F4 · derivative.exercise_date: On August 9, 2024 the reporting person was granted 1,128 restricted stock units vesting on the first anniversary of the grant date.

F4 · derivative.expiration_date: On August 9, 2024 the reporting person was granted 1,128 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 09, 2025 Filed Aug 11, 2025 14:17 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 1,128 Not disclosed Not disclosed
Disclosure

SEC source: 0001726418-25-000004 · ownership.xml · nonDerivative · entry 1

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,912

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 08, 2025 Filed Aug 11, 2025 14:17 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 2,168 $0.00 $0.00
Disclosure

SEC source: 0001726418-25-000004 · ownership.xml · derivative · entry 3

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,168

Underlying: Common Stock · 2,168 shares

Expires not disclosed

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

F3 · derivative.exercise_date: All of the restricted stock units will vest on August 8, 2026.

F3 · derivative.expiration_date: All of the restricted stock units will vest on August 8, 2026.

Read SEC document
November 29, 2024 Filed Dec 2, 2024 12:49 UTC WESTLAKE CORP WLK · Entity 3555 SaleCommon Stock 1,750 $129.08 $225,888.25
Disclosure

SEC source: 0000950170-24-131969 · ownership.xml · nonDerivative · entry 1

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,784

Read SEC document
November 22, 2024 Filed Nov 25, 2024 13:21 UTC WESTLAKE CORP WLK · Entity 3555 SaleCommon Stock 1,750 $130.00 $227,500.00
Disclosure

SEC source: 0000950170-24-130429 · ownership.xml · nonDerivative · entry 1

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,534

Read SEC document
August 11, 2024 Filed Aug 12, 2024 15:23 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 1,136 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-095190 · ownership.xml · derivative · entry 4

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,136 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.

F4 · derivative.exercise_date: On August 11, 2023 the reporting person was granted 1,136 restricted stock units vesting on the first anniversary of the grant date.

F4 · derivative.expiration_date: On August 11, 2023 the reporting person was granted 1,136 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 11, 2024 Filed Aug 12, 2024 15:23 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 1,136 Not disclosed Not disclosed
Disclosure

SEC source: 0000950170-24-095190 · ownership.xml · nonDerivative · entry 1

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,284

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 09, 2024 Filed Aug 12, 2024 15:23 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 1,128 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-095190 · ownership.xml · derivative · entry 3

Chao David Tsung-Hung · CIK 0001726418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,128

Underlying: Common Stock · 1,128 shares

Expires not disclosed

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

F3 · derivative.exercise_date: All of the restricted stock units will vest on August 9, 2025.

F3 · derivative.expiration_date: All of the restricted stock units will vest on August 9, 2025.

Read SEC document
August 31, 2023 Filed Sep 1, 2023 14:15 UTC WESTLAKE CORP WLK · Entity 3555 GiftCommon Stock 19,423 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-047918 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 19,423

F1 · ownership.nature: These shares are held in a trust for the benefit of the reporting person, who also serves as sole trustee.

Read SEC document
August 23, 2023 Filed Aug 24, 2023 11:40 UTC WESTLAKE CORP WLK · Entity 3555 SaleCommon Stock 1,000 $131.00 $131,000.00
Disclosure

SEC source: 0001209191-23-047150 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,148

Read SEC document
August 12, 2023 Filed Aug 14, 2023 13:15 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 1,446 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-045502 · doc4.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,446 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.

F4 · derivative.exercise_date: On August 12, 2022 the reporting person was granted 1,446 restricted stock units vesting on the first anniversary of the grant date.

F4 · derivative.expiration_date: On August 12, 2022 the reporting person was granted 1,446 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 12, 2023 Filed Aug 14, 2023 13:15 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 1,446 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-23-045502 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,148

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 11, 2023 Filed Aug 14, 2023 13:15 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 1,136 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-045502 · doc4.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,136

Underlying: Common Stock · 1,136 shares

Expires not disclosed

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

F3 · derivative.exercise_date: All of the restricted stock units will vest on August 11, 2024.

F3 · derivative.expiration_date: All of the restricted stock units will vest on August 11, 2024.

Read SEC document
August 13, 2022 Filed Aug 15, 2022 19:23 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 1,763 $0.00 $0.00
Disclosure

SEC source: 0001567619-22-016162 · doc1.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,763 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 13, 2021 the reporting person was granted 1,763 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 13, 2021 the reporting person was granted 1,763 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 13, 2022 Filed Aug 15, 2022 19:23 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 1,763 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-22-016162 · doc1.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,702

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 12, 2022 Filed Aug 15, 2022 19:23 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 1,446 $0.00 $0.00
Disclosure

SEC source: 0001567619-22-016162 · doc1.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,446

Underlying: Common Stock · 1,446 shares

Expires not disclosed

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

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 12, 2023.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 12, 2023.

Read SEC document
August 14, 2021 Filed Aug 16, 2021 17:55 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 2,400 $0.00 $0.00
Disclosure

SEC source: 0001567619-21-015714 · doc1.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,400 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 14, 2020 the reporting person was granted 2,400 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 14, 2020 the reporting person was granted 2,400 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 14, 2021 Filed Aug 16, 2021 17:55 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 2,400 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-21-015714 · doc1.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,939

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 13, 2021 Filed Aug 16, 2021 17:55 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 1,763 $0.00 $0.00
Disclosure

SEC source: 0001567619-21-015714 · doc1.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,763

Underlying: Common Stock · 1,763 shares

Expires not disclosed

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

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 13, 2022.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 13, 2022.

Read SEC document
August 16, 2020 Filed Aug 17, 2020 16:20 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 2,387 $0.00 $0.00
Disclosure

SEC source: 0001567619-20-015592 · doc1.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,387 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 16, 2019 the reporting person was granted 2,387 restricted stock units vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 16, 2019 the reporting person was granted 2,387 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
August 16, 2020 Filed Aug 17, 2020 16:20 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 2,387 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-20-015592 · doc1.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,539

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 14, 2020 Filed Aug 17, 2020 16:20 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 2,400 $0.00 $0.00
Disclosure

SEC source: 0001567619-20-015592 · doc1.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,400

Underlying: Common Stock · 2,400 shares

Expires not disclosed

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

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 14, 2021.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 14, 2021.

Read SEC document
August 17, 2019 Filed Aug 19, 2019 13:40 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 1,409 $0.00 $0.00
Disclosure

SEC source: 0001567619-19-017223 · doc1.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,409 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 17, 2018 the reporting person was granted 1,409 restricted stock vesting on the first anniversary of the grant date.

F3 · derivative.expiration_date: On August 17, 2018 the reporting person was granted 1,409 restricted stock vesting on the first anniversary of the grant date.

Read SEC document
August 17, 2019 Filed Aug 19, 2019 13:40 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 1,409 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-19-017223 · doc1.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,152

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 16, 2019 Filed Aug 19, 2019 13:40 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 2,387 $0.00 $0.00
Disclosure

SEC source: 0001567619-19-017223 · doc1.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,387

Underlying: Common Stock · 2,387 shares

Expires not disclosed

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

F2 · derivative.exercise_date: All of the restricted stock units will vest on August 16, 2020.

F2 · derivative.expiration_date: All of the restricted stock units will vest on August 16, 2020.

Read SEC document
January 05, 2019 Filed Jan 7, 2019 20:07 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionRestricted Stock Units · Derivative 1,090 $0.00 $0.00
Disclosure

SEC source: 0001567619-19-000691 · doc1.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,090 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 January 5, 2018 the reporting person was granted 1,090 restricted stock units vesting on the first anniversary of the grant date.

F2 · derivative.expiration_date: On January 5, 2018 the reporting person was granted 1,090 restricted stock units vesting on the first anniversary of the grant date.

Read SEC document
January 05, 2019 Filed Jan 7, 2019 20:07 UTC WESTLAKE CORP WLK · Entity 3555 Exercise / conversionCommon Stock 1,090 Not disclosed Not disclosed
Disclosure

SEC source: 0001567619-19-000691 · doc1.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,743

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 WESTLAKE CORP WLK · Entity 3555 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
January 05, 2018 Filed Jan 9, 2018 13:57 UTC WESTLAKE CORP WLK · Entity 3555 GrantRestricted Stock Units · Derivative 1,090 $0.00 $0.00
Disclosure

SEC source: 0001140361-18-001290 · doc1.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,090

Underlying: Common Stock · 1,090 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 January 5, 2019.

F2 · derivative.expiration_date: All of the restricted stock units will vest on January 5, 2019.

Read SEC document

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