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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

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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
March 31, 2022 Filed Apr 1, 2022 18:10 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 2,061 $0.00 Strike: $79.83 $0.00
Disclosure

SEC source: 0001567619-22-007819 · 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 · 2,061 shares

Expires 2029-02-15

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.

F2 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.

Read SEC document
March 31, 2022 Filed Apr 1, 2022 18:10 UTC SaleCommon Stock 100 $124.99 $12,499.00
Disclosure

SEC source: 0001567619-22-007819 · doc1.xml · nonDerivative · entry 4

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,725

Read SEC document
March 31, 2022 Filed Apr 1, 2022 18:10 UTC SaleCommon Stock 5,921 $124.34 $736,234.90
Disclosure

SEC source: 0001567619-22-007819 · doc1.xml · nonDerivative · entry 3

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,825

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $123.93 to $124.84, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 31, 2022 Filed Apr 1, 2022 18:10 UTC Exercise / conversionCommon Stock 3,960 $65.81 $260,617.50
Disclosure

SEC source: 0001567619-22-007819 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,746

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
March 31, 2022 Filed Apr 1, 2022 18:10 UTC Exercise / conversionCommon Stock 2,061 $79.83 $164,529.63
Disclosure

SEC source: 0001567619-22-007819 · doc1.xml · nonDerivative · entry 1

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,786

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
March 30, 2022 Filed Mar 31, 2022 15:18 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 3,000 $0.00 Strike: $65.81 $0.00
Disclosure

SEC source: 0001567619-22-007737 · doc1.xml · derivative · entry 6

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,960

Underlying: Common Stock · 3,000 shares

Expires 2030-02-14

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 14, 2021, 2022 and 2023.

Read SEC document
March 30, 2022 Filed Mar 31, 2022 15:18 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 3,000 $0.00 Strike: $79.83 $0.00
Disclosure

SEC source: 0001567619-22-007737 · doc1.xml · derivative · entry 5

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,061

Underlying: Common Stock · 3,000 shares

Expires 2029-02-15

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.

F3 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.

Read SEC document
March 30, 2022 Filed Mar 31, 2022 15:18 UTC SaleCommon Stock 3,062 $125.10 $383,043.95
Disclosure

SEC source: 0001567619-22-007737 · doc1.xml · nonDerivative · entry 4

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,725

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $124.785 to $125.67, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 30, 2022 Filed Mar 31, 2022 15:18 UTC SaleCommon Stock 2,938 $124.50 $365,766.31
Disclosure

SEC source: 0001567619-22-007737 · doc1.xml · nonDerivative · entry 3

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,787

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $123.765 to $124.755, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 30, 2022 Filed Mar 31, 2022 15:18 UTC Exercise / conversionCommon Stock 3,000 $65.81 $197,437.50
Disclosure

SEC source: 0001567619-22-007737 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,725

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
March 30, 2022 Filed Mar 31, 2022 15:18 UTC Exercise / conversionCommon Stock 3,000 $79.83 $239,490.00
Disclosure

SEC source: 0001567619-22-007737 · doc1.xml · nonDerivative · entry 1

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,725

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
March 29, 2022 Filed Mar 30, 2022 16:04 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 2,000 $0.00 Strike: $65.81 $0.00
Disclosure

SEC source: 0001567619-22-007689 · doc1.xml · derivative · entry 5

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,960

Underlying: Common Stock · 2,000 shares

Expires 2030-02-14

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.

F3 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 14, 2021, 2022 and 2023.

Read SEC document
March 29, 2022 Filed Mar 30, 2022 16:04 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 2,000 $0.00 Strike: $79.83 $0.00
Disclosure

SEC source: 0001567619-22-007689 · doc1.xml · derivative · entry 4

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,061

Underlying: Common Stock · 2,000 shares

Expires 2029-02-15

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.

F2 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.

Read SEC document
March 29, 2022 Filed Mar 30, 2022 16:04 UTC SaleCommon Stock 4,000 $122.44 $489,748.00
Disclosure

SEC source: 0001567619-22-007689 · doc1.xml · nonDerivative · entry 3

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,725

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $122.16 to $123.03, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 29, 2022 Filed Mar 30, 2022 16:04 UTC Exercise / conversionCommon Stock 2,000 $65.81 $131,625.00
Disclosure

SEC source: 0001567619-22-007689 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,725

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
March 29, 2022 Filed Mar 30, 2022 16:04 UTC Exercise / conversionCommon Stock 2,000 $79.83 $159,660.00
Disclosure

SEC source: 0001567619-22-007689 · doc1.xml · nonDerivative · entry 1

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,725

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
March 25, 2022 Filed Mar 28, 2022 17:50 UTC
Kearns Roger L.COO and EVP - PEM
Exercise / conversionEmployee Option (right to buy) · Derivative 6,202 $0.00 Strike: $86.54 $0.00
Disclosure

SEC source: 0001567619-22-007576 · doc1.xml · derivative · entry 6

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,202 shares

Expires 2031-02-19

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 19, 2022, 2023 and 2024.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:50 UTC
Kearns Roger L.COO and EVP - PEM
Exercise / conversionEmployee Option (right to buy) · Derivative 4,131 $0.00 Strike: $79.83 $0.00
Disclosure

SEC source: 0001567619-22-007576 · doc1.xml · derivative · entry 5

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,388

Underlying: Common Stock · 4,131 shares

Expires 2029-02-15

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.

F3 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:50 UTC
Kearns Roger L.COO and EVP - PEM
SaleCommon Stock 2,861 $126.40 $361,636.12
Disclosure

SEC source: 0001567619-22-007576 · doc1.xml · nonDerivative · entry 4

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,389

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $126.22 to $126.66, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:50 UTC
Kearns Roger L.COO and EVP - PEM
SaleCommon Stock 7,472 $125.84 $940,291.42
Disclosure

SEC source: 0001567619-22-007576 · doc1.xml · nonDerivative · entry 3

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,250

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $125.21 to $126.21, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:50 UTC
Kearns Roger L.COO and EVP - PEM
Exercise / conversionCommon Stock 6,202 $86.54 $536,708.06
Disclosure

SEC source: 0001567619-22-007576 · doc1.xml · nonDerivative · entry 2

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,722

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
March 25, 2022 Filed Mar 28, 2022 17:50 UTC
Kearns Roger L.COO and EVP - PEM
Exercise / conversionCommon Stock 4,131 $79.83 $329,777.73
Disclosure

SEC source: 0001567619-22-007576 · doc1.xml · nonDerivative · entry 1

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,520

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
March 25, 2022 Filed Mar 28, 2022 17:48 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 4,000 $0.00 Strike: $65.81 $0.00
Disclosure

SEC source: 0001567619-22-007575 · doc1.xml · derivative · entry 6

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,960

Underlying: Common Stock · 4,000 shares

Expires 2030-02-14

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 14, 2021, 2022 and 2023.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:48 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 4,000 $0.00 Strike: $79.83 $0.00
Disclosure

SEC source: 0001567619-22-007575 · doc1.xml · derivative · entry 5

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,061

Underlying: Common Stock · 4,000 shares

Expires 2029-02-15

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.

F3 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:48 UTC SaleCommon Stock 2,947 $125.74 $370,558.73
Disclosure

SEC source: 0001567619-22-007575 · doc1.xml · nonDerivative · entry 4

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,725

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $125.51 to $125.95, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:48 UTC SaleCommon Stock 5,053 $125.11 $632,165.67
Disclosure

SEC source: 0001567619-22-007575 · doc1.xml · nonDerivative · entry 3

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,672

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $124.50 to $125.50, inclusive. The reporting person undertakes to provide to Westlake Corp., any security holder of Westlake 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.

Read SEC document
March 25, 2022 Filed Mar 28, 2022 17:48 UTC Exercise / conversionCommon Stock 4,000 $65.81 $263,250.00
Disclosure

SEC source: 0001567619-22-007575 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,725

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
March 25, 2022 Filed Mar 28, 2022 17:48 UTC Exercise / conversionCommon Stock 4,000 $79.83 $319,320.00
Disclosure

SEC source: 0001567619-22-007575 · doc1.xml · nonDerivative · entry 1

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,725

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
March 24, 2022 Filed Mar 25, 2022 14:15 UTC
Kearns Roger L.COO and EVP - PEM
GiftCommon Stock 2,000 $0.00 $0.00
Disclosure

SEC source: 0001567619-22-007464 · doc1.xml · nonDerivative · entry 1

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,389

Read SEC document
March 24, 2022 Filed Mar 25, 2022 14:14 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 4,000 $0.00 Strike: $65.81 $0.00
Disclosure

SEC source: 0001567619-22-007463 · doc1.xml · derivative · entry 5

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,960

Underlying: Common Stock · 4,000 shares

Expires 2030-02-14

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.

F3 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 14, 2021, 2022 and 2023.

Read SEC document
March 24, 2022 Filed Mar 25, 2022 14:14 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 4,000 $0.00 Strike: $79.83 $0.00
Disclosure

SEC source: 0001567619-22-007463 · doc1.xml · derivative · entry 4

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,061

Underlying: Common Stock · 4,000 shares

Expires 2029-02-15

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.

F2 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.

Read SEC document
March 24, 2022 Filed Mar 25, 2022 14:14 UTC SaleCommon Stock 8,000 $125.38 $1,003,069.60
Disclosure

SEC source: 0001567619-22-007463 · doc1.xml · nonDerivative · entry 3

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,725

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $124.98 to $125.78, 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.

Read SEC document
March 24, 2022 Filed Mar 25, 2022 14:14 UTC Exercise / conversionCommon Stock 4,000 $65.81 $263,250.00
Disclosure

SEC source: 0001567619-22-007463 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,725

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
March 23, 2022 Filed Mar 24, 2022 16:19 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 3,000 $0.00 Strike: $65.81 $0.00
Disclosure

SEC source: 0001567619-22-007422 · doc1.xml · derivative · entry 6

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,960

Underlying: Common Stock · 3,000 shares

Expires 2030-02-14

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 14, 2021, 2022 and 2023.

Read SEC document
March 23, 2022 Filed Mar 24, 2022 16:19 UTC Exercise / conversionEmployee Option (right to buy) · Derivative 3,000 $0.00 Strike: $79.83 $0.00
Disclosure

SEC source: 0001567619-22-007422 · doc1.xml · derivative · entry 5

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,061

Underlying: Common Stock · 3,000 shares

Expires 2029-02-15

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.

F3 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.

Read SEC document
March 23, 2022 Filed Mar 24, 2022 16:19 UTC SaleCommon Stock 344 $125.69 $43,235.98
Disclosure

SEC source: 0001567619-22-007422 · doc1.xml · nonDerivative · entry 4

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,725

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $125.66 to $125.69, 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.

Read SEC document
March 23, 2022 Filed Mar 24, 2022 16:19 UTC SaleCommon Stock 5,656 $125.14 $707,774.87
Disclosure

SEC source: 0001567619-22-007422 · doc1.xml · nonDerivative · entry 3

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,069

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $124.618 to $125.49, 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.

Read SEC document
March 23, 2022 Filed Mar 24, 2022 16:19 UTC Exercise / conversionCommon Stock 3,000 $65.81 $197,437.50
Disclosure

SEC source: 0001567619-22-007422 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,725

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
March 15, 2022 Filed Mar 16, 2022 08:24 UTC
Buesinger Robert F.EVP, HIP, IT & Digital
GiftCommon Stock 500 $0.00 $0.00
Disclosure

SEC source: 0001567619-22-007013 · doc1.xml · nonDerivative · entry 1

Buesinger Robert F. · CIK 0001488587 · EVP, HIP, IT & Digital

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,780

Read SEC document
March 14, 2022 Filed Mar 15, 2022 15:44 UTC
Janssens Thomas J.SVP, Operations-PEM & Corp Log
Tax withholdingCommon Stock 1 $120.37 $120.37
Disclosure

SEC source: 0001567619-22-006986 · doc1.xml · nonDerivative · entry 2

Janssens Thomas J. · CIK 0001834230 · SVP, Operations-PEM & Corp Log

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,297

F1 · shares: Represents shares sold to satisfy tax obligations arising out of the vesting of 1,901 shares of common stock, which vested February 18, 2022 upon the determination by the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance stock units granted to the Reporting Person on February 15, 2019 under the terms of the Issuer's 2013 Omnibus Incentive Plan. Sales made to cover tax withholding obligations could not take place until March 14, 2022.

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March 14, 2022 Filed Mar 15, 2022 15:44 UTC
Janssens Thomas J.SVP, Operations-PEM & Corp Log
Tax withholdingCommon Stock 467 $118.51 $55,344.17
Disclosure

SEC source: 0001567619-22-006986 · doc1.xml · nonDerivative · entry 1

Janssens Thomas J. · CIK 0001834230 · SVP, Operations-PEM & Corp Log

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,298

F1 · shares: Represents shares sold to satisfy tax obligations arising out of the vesting of 1,901 shares of common stock, which vested February 18, 2022 upon the determination by the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance stock units granted to the Reporting Person on February 15, 2019 under the terms of the Issuer's 2013 Omnibus Incentive Plan. Sales made to cover tax withholding obligations could not take place until March 14, 2022.

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March 14, 2022 Filed Mar 15, 2022 15:38 UTC Amendment
Buesinger Robert F.EVP, HIP, IT & Digital
Tax withholdingCommon Stock 3 $120.25 $360.74
Disclosure

SEC source: 0001567619-22-006982 · doc1.xml · nonDerivative · entry 3

Buesinger Robert F. · CIK 0001488587 · EVP, HIP, IT & Digital

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,280

F1 · shares: The original Form 4 filed by the Reporting Person on February 18, 2022 is amended by this Form 4 Amendment to disclose that 2,559 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.

F2 · balance_after: The amount of common stock beneficially owned by the Reporting Person reflects adjustments for subsequent transactions reported on March 10, 2022 and March 14, 2022 and is the total owned as of March 15, 2022.

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March 14, 2022 Filed Mar 15, 2022 15:38 UTC Amendment
Buesinger Robert F.EVP, HIP, IT & Digital
Tax withholdingCommon Stock 2,556 $118.51 $302,911.56
Disclosure

SEC source: 0001567619-22-006982 · doc1.xml · nonDerivative · entry 2

Buesinger Robert F. · CIK 0001488587 · EVP, HIP, IT & Digital

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,283

F1 · shares: The original Form 4 filed by the Reporting Person on February 18, 2022 is amended by this Form 4 Amendment to disclose that 2,559 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.

F2 · balance_after: The amount of common stock beneficially owned by the Reporting Person reflects adjustments for subsequent transactions reported on March 10, 2022 and March 14, 2022 and is the total owned as of March 15, 2022.

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March 14, 2022 Filed Mar 15, 2022 15:38 UTC Amendment
Chao JamesDirector · Chairman · 10% owner
Tax withholdingCommon Stock 9,710 $118.51 $1,150,732.10
Disclosure

SEC source: 0001567619-22-006981 · doc1.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,591

F2 · shares: The Original Form 4 is further amended to disclose that 9,710 shares of common stock were sold to cover tax withholding obligations arising from the award. The Original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing.

F2 · balance_after: The Original Form 4 is further amended to disclose that 9,710 shares of common stock were sold to cover tax withholding obligations arising from the award. The Original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing.

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March 14, 2022 Filed Mar 15, 2022 19:36 UTC Amendment
Chao AlbertDirector · President and CEO · 10% owner
Tax withholdingCommon Stock 12,138 $118.51 $1,438,474.38
Disclosure

SEC source: 0001567619-22-006978 · doc1.xml · nonDerivative · entry 2

Chao Albert · CIK 0001299403 · Director · President and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 472,983

F1 · shares: The original Form 4 filed by the Reporting Person on February 18, 2022 is amended by this Form 4 Amendment to disclose that 12,138 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.

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March 14, 2022 Filed Mar 15, 2022 19:59 UTC Amendment Tax withholdingCommon Stock 2,810 $118.51 $333,013.10
Disclosure

SEC source: 0001567619-22-006988 · doc1.xml · nonDerivative · entry 2

Bender Mark Steven · CIK 0001330417 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,725

F2 · shares: The Original Form 4 is further amended to disclose that 2,810 shares of common stock were sold to cover tax withholding obligations arising from the award. The Original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4A is in addition to, and does not replace, the disclosure contained in the Original Form 4.

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March 14, 2022 Filed Mar 15, 2022 20:00 UTC Amendment Tax withholdingCommon Stock 71 $118.51 $8,414.21
Disclosure

SEC source: 0001567619-22-006989 · doc1.xml · nonDerivative · entry 2

Zoeller Johnathan Stevan · CIK 0001803678 · VP and CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,085

F2 · shares: The Original Form 4 is further amended to disclose that 71 shares of common stock were sold to cover tax withholding obligations arising from the award. The Original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4A is in addition to, and does not replace, the disclosure contained in the Original Form 4.

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March 14, 2022 Filed Mar 15, 2022 19:41 UTC Amendment
Kearns Roger L.COO and EVP - PEM
Tax withholdingCommon Stock 3 $120.25 $360.74
Disclosure

SEC source: 0001567619-22-006984 · doc1.xml · nonDerivative · entry 3

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,389

F1 · shares: The original Form 4 filed by the Reporting Person on February 18, 2022 is amended by this Form 4 Amendment to disclose that 2,180 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.

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March 14, 2022 Filed Mar 15, 2022 19:41 UTC Amendment
Kearns Roger L.COO and EVP - PEM
Tax withholdingCommon Stock 2,177 $118.51 $257,996.27
Disclosure

SEC source: 0001567619-22-006984 · doc1.xml · nonDerivative · entry 2

Kearns Roger L. · CIK 0001739128 · COO and EVP - PEM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,392

F1 · shares: The original Form 4 filed by the Reporting Person on February 18, 2022 is amended by this Form 4 Amendment to disclose that 2,180 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.

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March 14, 2022 Filed Mar 15, 2022 19:40 UTC Amendment
Ederington L. BenjaminEVP, GC, CAO and Secretary
Tax withholdingCommon Stock 3 $120.45 $361.35
Disclosure

SEC source: 0001567619-22-006983 · doc1.xml · nonDerivative · entry 3

Ederington L. Benjamin · CIK 0001588279 · EVP, GC, CAO and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,418

F1 · shares: The original Form 4 filed by the Reporting Person on February 18, 2022 is amended by this Form 4 Amendment to disclose that 2,510 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.

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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.