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
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 3 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 2 |
| Mar 2026 | 0 | 2 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 2 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| February 15, 2019 Filed Feb 19, 2019 17:47 UTC |
Ederington L. BenjaminSVP, GC, CAO and Secretary
|
GrantEmployee Option (right to buy) · Derivative | 14,417 | $0.00 Strike: $79.83 | $0.00 |
DisclosureSEC source: 0001567619-19-004785 · doc1.xml · derivative · entry 1 Ederington L. Benjamin · CIK 0001588279 · SVP, GC, CAO and Secretary 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 14,417 Underlying: Common Stock · 14,417 shares Expires 2029-02-15 F1 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 12:45 UTC |
Chao JamesDirector · Chairman · 10% owner
|
GrantRestricted Stock Units · Derivative | 14,683 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-19-004783 · doc1.xml · derivative · entry 2 Chao James · CIK 0001299505 · Director · Chairman · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 14,683 Underlying: Common Stock · 14,683 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. F3 · derivative.exercise_date: All of the restricted stock units will vest on February 15, 2022. F3 · derivative.expiration_date: All of the restricted stock units will vest on February 15, 2022. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 12:45 UTC |
Chao JamesDirector · Chairman · 10% owner
|
GrantEmployee Option (right to buy) · Derivative | 55,766 | $0.00 Strike: $79.83 | $0.00 |
DisclosureSEC source: 0001567619-19-004783 · doc1.xml · derivative · entry 1 Chao James · CIK 0001299505 · Director · Chairman · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 55,766 Underlying: Common Stock · 55,766 shares Expires 2029-02-15 F1 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:42 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
GrantRestricted Stock Units · Derivative | 18,354 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-19-004781 · doc1.xml · derivative · entry 2 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 18,354 Underlying: Common Stock · 18,354 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. F3 · derivative.exercise_date: All of the restricted stock units will vest on February 15, 2022. F3 · derivative.expiration_date: All of the restricted stock units will vest on February 15, 2022. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:42 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
GrantEmployee Option (right to buy) · Derivative | 69,708 | $0.00 Strike: $79.83 | $0.00 |
DisclosureSEC source: 0001567619-19-004781 · doc1.xml · derivative · entry 1 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 69,708 Underlying: Common Stock · 69,708 shares Expires 2029-02-15 F1 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 12:44 UTC |
Mangieri George JSVP & Chief Accounting Officer
|
GrantRestricted Stock Units · Derivative | 1,111 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-19-004782 · doc1.xml · derivative · entry 2 Mangieri George J · CIK 0001298504 · SVP & Chief Accounting Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,111 Underlying: Common Stock · 1,111 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. F3 · derivative.exercise_date: All of the restricted stock units will vest on February 15, 2022. F3 · derivative.expiration_date: All of the restricted stock units will vest on February 15, 2022. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 12:44 UTC |
Mangieri George JSVP & Chief Accounting Officer
|
GrantEmployee Option (right to buy) · Derivative | 4,218 | $0.00 Strike: $79.83 | $0.00 |
DisclosureSEC source: 0001567619-19-004782 · doc1.xml · derivative · entry 1 Mangieri George J · CIK 0001298504 · SVP & Chief Accounting Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 4,218 Underlying: Common Stock · 4,218 shares Expires 2029-02-15 F1 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:48 UTC |
Bender Mark StevenEVP and CFO
|
GrantEmployee Option (right to buy) · Derivative | 18,061 | $0.00 Strike: $79.83 | $0.00 |
DisclosureSEC source: 0001567619-19-004786 · doc1.xml · derivative · entry 1 Bender Mark Steven · CIK 0001330417 · EVP and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 18,061 Underlying: Common Stock · 18,061 shares Expires 2029-02-15 F1 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:46 UTC |
Teel Lawrence E.EVP, Olefins
|
GrantRestricted Stock Units · Derivative | 3,869 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-19-004784 · doc1.xml · derivative · entry 2 Teel Lawrence E. · CIK 0001551480 · EVP, Olefins 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 3,869 Underlying: Common Stock · 3,869 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. F3 · derivative.exercise_date: All of the restricted stock units will vest on February 15, 2022. F3 · derivative.expiration_date: All of the restricted stock units will vest on February 15, 2022. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:46 UTC |
Teel Lawrence E.EVP, Olefins
|
GrantEmployee Option (right to buy) · Derivative | 14,694 | $0.00 Strike: $79.83 | $0.00 |
DisclosureSEC source: 0001567619-19-004784 · doc1.xml · derivative · entry 1 Teel Lawrence E. · CIK 0001551480 · EVP, Olefins 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 14,694 Underlying: Common Stock · 14,694 shares Expires 2029-02-15 F1 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:41 UTC |
Kearns Roger L.EVP, Vinyls Chemicals
|
GrantRestricted Stock Units · Derivative | 3,296 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-19-004780 · doc1.xml · derivative · entry 2 Kearns Roger L. · CIK 0001739128 · EVP, Vinyls Chemicals 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 3,296 Underlying: Common Stock · 3,296 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. F3 · derivative.exercise_date: All of the restricted stock units will vest on February 15, 2022. F3 · derivative.expiration_date: All of the restricted stock units will vest on February 15, 2022. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:41 UTC |
Kearns Roger L.EVP, Vinyls Chemicals
|
GrantEmployee Option (right to buy) · Derivative | 12,519 | $0.00 Strike: $79.83 | $0.00 |
DisclosureSEC source: 0001567619-19-004780 · doc1.xml · derivative · entry 1 Kearns Roger L. · CIK 0001739128 · EVP, Vinyls Chemicals 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 12,519 Underlying: Common Stock · 12,519 shares Expires 2029-02-15 F1 · derivative.exercise_date: The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively. Read SEC document |
| January 05, 2019 Filed Jan 7, 2019 20:07 UTC |
Chao David Tsung-HungDirector · 10% owner
|
Exercise / conversionRestricted Stock Units · Derivative | 1,090 | $0.00 | $0.00 |
DisclosureSEC 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 |
Chao David Tsung-HungDirector · 10% owner
|
Exercise / conversionCommon Stock | 1,090 | Not disclosed | Not disclosed |
DisclosureSEC 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 |
| January 05, 2019 Filed Jan 7, 2019 20:08 UTC |
Sheets Jeffrey WayneDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 1,090 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-19-000693 · doc1.xml · derivative · entry 2 Sheets Jeffrey Wayne · CIK 0001447712 · Director 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 20:08 UTC |
Sheets Jeffrey WayneDirector
|
Exercise / conversionCommon Stock | 1,090 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-19-000693 · doc1.xml · nonDerivative · entry 1 Sheets Jeffrey Wayne · CIK 0001447712 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,090 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 |
| January 05, 2019 Filed Jan 7, 2019 20:07 UTC |
Haas MariusDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 1,090 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-19-000692 · doc1.xml · derivative · entry 2 Haas Marius · CIK 0001556683 · Director 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 |
Haas MariusDirector
|
Exercise / conversionCommon Stock | 1,090 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-19-000692 · doc1.xml · nonDerivative · entry 1 Haas Marius · CIK 0001556683 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,090 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 |
| November 16, 2018 Filed Nov 19, 2018 14:29 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 30,640 | $0.00 Strike: $7.12 | $0.00 |
DisclosureSEC source: 0001567619-18-006577 · doc1.xml · derivative · entry 5 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 30,640 shares Expires 2019-02-13 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 equal installments on February 13, 2009, 2010 and 2011. Read SEC document |
| November 16, 2018 Filed Nov 19, 2018 14:29 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 7,120 | $72.09 | $513,295.04 |
DisclosureSEC source: 0001567619-18-006577 · doc1.xml · nonDerivative · entry 3 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 324,654 F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $71.97 to $72.26, 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 |
| November 16, 2018 Filed Nov 19, 2018 14:29 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 17,389 | $71.62 | $1,245,313.24 |
DisclosureSEC source: 0001567619-18-006577 · doc1.xml · nonDerivative · entry 2 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 331,774 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $70.96 to $71.96, 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 |
| November 16, 2018 Filed Nov 19, 2018 14:29 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 30,640 | $7.12 | $218,156.80 |
DisclosureSEC source: 0001567619-18-006577 · doc1.xml · nonDerivative · entry 1 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 349,163 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 |
| November 15, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 30,640 | $0.00 Strike: $7.12 | $0.00 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · derivative · entry 11 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 30,640 Underlying: Common Stock · 30,640 shares Expires 2019-02-13 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. F7 · derivative.exercise_date: The stock options are excercisable in three equal installments on February 13, 2009, 2010 and 2011. Read SEC document |
| November 15, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 1,100 | $71.98 | $79,181.30 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 8 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 318,523 F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $71.93 to $72.06, 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 |
| November 15, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 16,309 | $71.48 | $1,165,702.08 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 7 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 319,623 F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $70.90 to $71.89, 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 |
| November 15, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 7,100 | $70.43 | $500,060.10 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 6 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 335,932 F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $69.87 to $70.86, 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 |
| November 15, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 30,640 | $7.12 | $218,156.80 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 5 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 343,032 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 |
| November 14, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 30,639 | $0.00 Strike: $7.12 | $0.00 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · derivative · entry 10 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 61,280 Underlying: Common Stock · 30,639 shares Expires 2019-02-13 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. F7 · derivative.exercise_date: The stock options are excercisable in three equal installments on February 13, 2009, 2010 and 2011. Read SEC document |
| November 14, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 900 | $72.50 | $65,250.00 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 4 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 312,392 F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $72.38 to $72.64, 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 |
| November 14, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 13,202 | $71.77 | $947,494.34 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 3 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 313,292 F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $71.37 to $72.37, 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 |
| November 14, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 10,519 | $70.92 | $745,954.89 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 2 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 326,494 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $70.36 to $71.35, 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 |
| November 14, 2018 Filed Nov 16, 2018 18:06 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 30,639 | $7.12 | $218,149.68 |
DisclosureSEC source: 0001567619-18-006512 · doc1.xml · nonDerivative · entry 1 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 337,013 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 |
| November 13, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 25,000 | $0.00 Strike: $7.12 | $0.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · derivative · entry 10 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 91,919 Underlying: Common Stock · 25,000 shares Expires 2019-02-13 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. F6 · derivative.exercise_date: The stock options are excercisable in three equal installments on February 13, 2009, 2010 and 2011. Read SEC document |
| November 13, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 1,200 | $73.20 | $87,840.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · nonDerivative · entry 7 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 306,374 F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $73.12 to $73.32, 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 |
| November 13, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 3,600 | $72.47 | $260,892.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · nonDerivative · entry 6 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 307,574 F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $72.02 to $72.85, 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 |
| November 13, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 10,200 | $71.28 | $727,056.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · nonDerivative · entry 5 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 311,174 F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $71.00 to $71.99, 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 |
| November 13, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 25,000 | $7.12 | $178,000.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · nonDerivative · entry 4 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 321,374 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 |
| November 12, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 38,973 | $0.00 Strike: $7.12 | $0.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · derivative · entry 9 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 116,919 Underlying: Common Stock · 38,973 shares Expires 2019-02-13 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. F6 · derivative.exercise_date: The stock options are excercisable in three equal installments on February 13, 2009, 2010 and 2011. Read SEC document |
| November 12, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 6,900 | $75.10 | $518,190.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · nonDerivative · entry 3 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 296,374 F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $74.83 to $75.38, 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 |
| November 12, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon stock | 18,100 | $74.30 | $1,344,830.00 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · nonDerivative · entry 2 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 303,274 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $73.82 to $74.82, 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 |
| November 12, 2018 Filed Nov 14, 2018 18:14 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 38,973 | $7.12 | $277,487.76 |
DisclosureSEC source: 0001567619-18-006128 · doc1.xml · nonDerivative · entry 1 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 321,374 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 |
| August 21, 2018 Filed Aug 22, 2018 09:30 UTC |
LUKENS MAX LDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 603 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-18-001610 · doc1.xml · derivative · entry 2 LUKENS MAX L · CIK 0001040101 · 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 09:30 UTC |
LUKENS MAX LDirector
|
Exercise / conversionCommon Stock | 603 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-18-001610 · doc1.xml · nonDerivative · entry 1 LUKENS MAX L · CIK 0001040101 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 6,607 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 09:32 UTC |
RILEY H JOHN JRDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 603 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-18-001612 · doc1.xml · derivative · entry 2 RILEY H JOHN JR · CIK 0001173593 · 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 09:32 UTC |
RILEY H JOHN JRDirector
|
Exercise / conversionCommon Stock | 603 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-18-001612 · doc1.xml · nonDerivative · entry 1 RILEY H JOHN JR · CIK 0001173593 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 25,979 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 13:30 UTC |
Graff Michael JDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 603 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-18-001609 · doc1.xml · derivative · entry 2 Graff Michael J · CIK 0001457009 · 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 13:30 UTC |
Graff Michael JDirector
|
Exercise / conversionCommon Stock | 603 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-18-001609 · doc1.xml · nonDerivative · entry 1 Graff Michael J · CIK 0001457009 · 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 09:28 UTC |
Jenkins Dorothy CDirector · 10% owner
|
Exercise / conversionRestricted Stock Units · Derivative | 603 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-18-001607 · doc1.xml · derivative · entry 3 Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner 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 09:28 UTC |
Jenkins Dorothy CDirector · 10% owner
|
Exercise / conversionCommon Stock | 603 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-18-001607 · doc1.xml · nonDerivative · entry 1 Jenkins Dorothy C · CIK 0001299504 · Director · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 58,005 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 13:31 UTC |
NORTHCUTT R BRUCEDirector
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Exercise / conversionRestricted Stock Units · Derivative | 603 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-18-001611 · doc1.xml · derivative · entry 2 NORTHCUTT R BRUCE · CIK 0001307964 · 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 |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.