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 16, 2022 Filed Feb 17, 2022 16:34 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Tax withholdingCommon Stock | 27 | $105.97 | $2,861.16 |
DisclosureSEC source: 0001567619-22-004823 · doc1.xml · nonDerivative · entry 3 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 454,544 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Feb 17, 2022 16:34 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Tax withholdingCommon Stock | 5,722 | $104.96 | $600,581.12 |
DisclosureSEC source: 0001567619-22-004823 · doc1.xml · nonDerivative · entry 2 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 454,571 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Feb 17, 2022 17:16 UTC |
Zoeller Johnathan StevanVP and CAO
|
Tax withholdingCommon Stock | 51 | $104.96 | $5,352.96 |
DisclosureSEC source: 0001567619-22-004830 · doc1.xml · nonDerivative · entry 2 Zoeller Johnathan Stevan · CIK 0001803678 · VP and CAO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 871 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Feb 17, 2022 17:16 UTC |
Kearns Roger L.EVP and COO
|
Tax withholdingCommon Stock | 4 | $106.12 | $424.46 |
DisclosureSEC source: 0001567619-22-004829 · doc1.xml · nonDerivative · entry 3 Kearns Roger L. · CIK 0001739128 · EVP and COO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 25,078 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Feb 17, 2022 17:16 UTC |
Kearns Roger L.EVP and COO
|
Tax withholdingCommon Stock | 812 | $104.96 | $85,227.52 |
DisclosureSEC source: 0001567619-22-004829 · doc1.xml · nonDerivative · entry 2 Kearns Roger L. · CIK 0001739128 · EVP and COO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 25,082 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Feb 17, 2022 17:15 UTC |
Ederington L. BenjaminSVP, GC, CAO and Secretary
|
Tax withholdingCommon Stock | 942 | $104.96 | $98,872.32 |
DisclosureSEC source: 0001567619-22-004828 · doc1.xml · nonDerivative · entry 3 Ederington L. Benjamin · CIK 0001588279 · SVP, GC, CAO and Secretary 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 33,605 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Feb 17, 2022 17:15 UTC |
Ederington L. BenjaminSVP, GC, CAO and Secretary
|
Tax withholdingCommon Stock | 4 | $106.18 | $424.72 |
DisclosureSEC source: 0001567619-22-004828 · doc1.xml · nonDerivative · entry 2 Ederington L. Benjamin · CIK 0001588279 · SVP, GC, CAO and Secretary 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 34,547 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Feb 17, 2022 15:33 UTC |
Bender Mark StevenEVP and CFO
|
Tax withholdingCommon Stock | 1,166 | $104.96 | $122,383.36 |
DisclosureSEC source: 0001567619-22-004814 · doc1.xml · nonDerivative · entry 2 Bender Mark Steven · CIK 0001330417 · EVP and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 25,613 F2 · shares: Shares otherwise issuable were withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units. Read SEC document |
| February 16, 2022 Filed Mar 6, 2026 20:16 UTC Amendment |
Bender Mark StevenEVP & CFO
|
Tax withholdingCommon Stock | 1,171 | $104.96 | $122,908.16 |
DisclosureSEC source: 0001193125-26-096289 · ownership.xml · nonDerivative · entry 1 Bender Mark Steven · CIK 0001330417 · EVP & CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,608 F1 · shares: The original Form 4 filed by the Reporting Person on February 17, 2022, is amended by this Form 4/A to disclose that 1,171 shares of common stock were sold to cover tax withholding obligations arising from the vesting of the Reporting Person's restricted stock units. The original Form 4 reported an incorrect number of shares sold to cover tax withholding obligations. [This Form 4/A is in addition to, and does not replace, the disclosure contained in the original Form 4.] Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 12:09 UTC |
Buesinger Robert F.EVP, Vinyl Products
|
Exercise / conversionRestricted Stock Units · Derivative | 3,869 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004826 · doc1.xml · derivative · entry 3 Buesinger Robert F. · CIK 0001488587 · EVP, Vinyl Products 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 3,869 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 3,869 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 3,869 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 12:09 UTC |
Buesinger Robert F.EVP, Vinyl Products
|
Exercise / conversionCommon Stock | 3,869 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004826 · doc1.xml · nonDerivative · entry 1 Buesinger Robert F. · CIK 0001488587 · EVP, Vinyl Products 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 12,086 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 12:09 UTC |
Kenner AndrewSVP, Operations
|
Exercise / conversionRestricted Stock Units · Derivative | 2,859 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004827 · doc1.xml · derivative · entry 4 Kenner Andrew · CIK 0001439749 · SVP, Operations 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 2,859 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 2,859 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 2,859 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 12:09 UTC |
Kenner AndrewSVP, Operations
|
Exercise / conversionCommon Stock | 2,859 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004827 · doc1.xml · nonDerivative · entry 1 Kenner Andrew · CIK 0001439749 · SVP, Operations 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 16,323 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 11:36 UTC |
Chao JamesDirector · Chairman · 10% owner
|
Exercise / conversionRestricted Stock Units · Derivative | 14,683 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004824 · doc1.xml · derivative · entry 6 Chao James · CIK 0001299505 · Director · Chairman · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 14,683 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 14,683 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 14,683 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 11:36 UTC |
Chao JamesDirector · Chairman · 10% owner
|
Exercise / conversionCommon Stock | 14,683 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004824 · doc1.xml · nonDerivative · entry 1 Chao James · CIK 0001299505 · Director · Chairman · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 115,195 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 16:34 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionRestricted Stock Units · Derivative | 18,354 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004823 · 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 · 18,354 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 18,354 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 18,354 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 16:34 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 18,354 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004823 · doc1.xml · nonDerivative · entry 1 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 460,293 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 17:16 UTC |
Zoeller Johnathan StevanVP and CAO
|
Exercise / conversionRestricted Stock Units · Derivative | 172 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004830 · doc1.xml · derivative · entry 3 Zoeller Johnathan Stevan · CIK 0001803678 · VP and CAO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 172 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 172 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 172 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 17:16 UTC |
Zoeller Johnathan StevanVP and CAO
|
Exercise / conversionCommon Stock | 172 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004830 · doc1.xml · nonDerivative · entry 1 Zoeller Johnathan Stevan · CIK 0001803678 · VP and CAO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 922 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 17:16 UTC |
Kearns Roger L.EVP and COO
|
Exercise / conversionRestricted Stock Units · Derivative | 3,296 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004829 · doc1.xml · derivative · entry 4 Kearns Roger L. · CIK 0001739128 · EVP and COO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 3,296 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 3,296 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 3,296 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 17:16 UTC |
Kearns Roger L.EVP and COO
|
Exercise / conversionCommon Stock | 3,296 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004829 · doc1.xml · nonDerivative · entry 1 Kearns Roger L. · CIK 0001739128 · EVP and COO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 25,894 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 17:15 UTC |
Ederington L. BenjaminSVP, GC, CAO and Secretary
|
Exercise / conversionRestricted Stock Units · Derivative | 3,796 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004828 · doc1.xml · derivative · entry 4 Ederington L. Benjamin · CIK 0001588279 · SVP, GC, CAO and Secretary 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 3,796 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 3,796 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 3,796 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 17:15 UTC |
Ederington L. BenjaminSVP, GC, CAO and Secretary
|
Exercise / conversionCommon Stock | 3,796 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004828 · doc1.xml · nonDerivative · entry 1 Ederington L. Benjamin · CIK 0001588279 · SVP, GC, CAO and Secretary 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 34,551 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 15:33 UTC |
Bender Mark StevenEVP and CFO
|
Exercise / conversionRestricted Stock Units · Derivative | 4,755 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-22-004814 · doc1.xml · derivative · entry 3 Bender Mark Steven · CIK 0001330417 · EVP and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 4,755 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 Issuer's shares of common stock on a one-for-one basis. F3 · derivative.exercise_date: On February 15, 2019, the reporting person was granted 4,755 restricted stock units vesting on the third anniversary of the grant date. F3 · derivative.expiration_date: On February 15, 2019, the reporting person was granted 4,755 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| February 15, 2022 Filed Feb 17, 2022 15:33 UTC |
Bender Mark StevenEVP and CFO
|
Exercise / conversionCommon Stock | 4,755 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-22-004814 · doc1.xml · nonDerivative · entry 1 Bender Mark Steven · CIK 0001330417 · EVP and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 26,779 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| December 02, 2021 Filed Dec 3, 2021 07:56 UTC |
Chao JamesDirector · Chairman · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 16,420 | $0.00 Strike: $30.05 | $0.00 |
DisclosureSEC source: 0001567619-21-021538 · doc1.xml · derivative · entry 3 Chao James · CIK 0001299505 · Director · Chairman · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 16,420 shares Expires 2022-02-17 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_date: The stock options are excercisable in three equal installments on February 17, 2013, 2014 and 2015. Read SEC document |
| December 02, 2021 Filed Dec 3, 2021 07:56 UTC |
Chao JamesDirector · Chairman · 10% owner
|
Exercise / conversionCommon Stock | 16,420 | $30.05 | $493,462.05 |
DisclosureSEC source: 0001567619-21-021538 · doc1.xml · nonDerivative · entry 1 Chao James · CIK 0001299505 · Director · Chairman · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 100,512 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 |
| December 02, 2021 Filed Dec 6, 2021 15:49 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 30,787 | $0.00 Strike: $30.05 | $0.00 |
DisclosureSEC source: 0001567619-21-021628 · doc1.xml · derivative · entry 7 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 30,787 shares Expires 2022-02-17 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. F5 · derivative.exercise_date: The stock options are excercisable in three equal installments on February 17, 2013, 2014 and 2015. Read SEC document |
| December 02, 2021 Filed Dec 6, 2021 15:49 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 20,327 | $92.29 | $1,875,978.83 |
DisclosureSEC source: 0001567619-21-021628 · doc1.xml · nonDerivative · entry 5 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 441,939 F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $92.05 to $92.88, 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 |
| December 02, 2021 Filed Dec 6, 2021 15:49 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 7,585 | $91.52 | $694,179.20 |
DisclosureSEC source: 0001567619-21-021628 · doc1.xml · nonDerivative · entry 4 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 462,266 F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $90.99 to $91.98, 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 |
| December 02, 2021 Filed Dec 6, 2021 15:49 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 1,175 | $90.12 | $105,891.00 |
DisclosureSEC source: 0001567619-21-021628 · doc1.xml · nonDerivative · entry 3 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 469,851 F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $89.73 to $90.39, 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 |
| December 02, 2021 Filed Dec 6, 2021 15:49 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 1,700 | $89.25 | $151,725.00 |
DisclosureSEC source: 0001567619-21-021628 · doc1.xml · nonDerivative · entry 2 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 471,026 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $88.64 to $89.58, 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 |
| December 02, 2021 Filed Dec 6, 2021 15:49 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 30,787 | $30.05 | $925,226.32 |
DisclosureSEC source: 0001567619-21-021628 · doc1.xml · nonDerivative · entry 1 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 472,726 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 |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionEmployee Option (right to buy) · Derivative | 30,787 | $0.00 Strike: $30.05 | $0.00 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · derivative · entry 9 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 30,787 Underlying: Common Stock · 30,787 shares Expires 2022-02-17 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 17, 2013, 2014 and 2015. Read SEC document |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 3,789 | $94.80 | $359,197.20 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · nonDerivative · entry 7 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 441,939 F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $94.43 to $95.36, 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 |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 4,300 | $93.98 | $404,114.00 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · nonDerivative · entry 6 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 445,728 F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $93.41 to $94.41, 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 |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 4,200 | $92.78 | $389,676.00 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · nonDerivative · entry 5 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 450,028 F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $92.31 to $93.26, 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 |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 5,842 | $91.83 | $536,470.86 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · nonDerivative · entry 4 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 454,228 F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $91.29 to $92.29, 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 |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 3,000 | $90.47 | $271,410.00 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · nonDerivative · entry 3 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 460,070 F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $90.14 to $91.13, 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 |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
SaleCommon Stock | 9,656 | $89.47 | $863,922.32 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · nonDerivative · entry 2 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 463,070 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $89.12 to $90.10, 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 |
| December 01, 2021 Filed Dec 3, 2021 12:56 UTC |
Chao AlbertDirector · President & CEO · 10% owner
|
Exercise / conversionCommon Stock | 30,787 | $30.05 | $925,226.32 |
DisclosureSEC source: 0001567619-21-021537 · doc1.xml · nonDerivative · entry 1 Chao Albert · CIK 0001299403 · Director · President & CEO · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 472,726 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 11, 2021 Filed Nov 15, 2021 15:23 UTC |
Bender Mark StevenDirector · EVP and CFO
|
SaleCommon Stock | 2,369 | $101.57 | $240,619.33 |
DisclosureSEC source: 0001567619-21-020169 · doc1.xml · nonDerivative · entry 1 Bender Mark Steven · CIK 0001330417 · Director · EVP and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 22,024 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $101.52 to $101.594, 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 08, 2021 Filed Nov 10, 2021 17:25 UTC |
Bender Mark StevenDirector · EVP and CFO
|
SaleCommon Stock | 631 | $100.77 | $63,587.13 |
DisclosureSEC source: 0001567619-21-019659 · doc1.xml · nonDerivative · entry 1 Bender Mark Steven · CIK 0001330417 · Director · EVP and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 24,393 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $100.75 to $100.79, 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 05, 2021 Filed Nov 8, 2021 17:27 UTC |
Bender Mark StevenDirector · EVP and CFO
|
SaleCommon Stock | 6,356 | $98.80 | $627,947.38 |
DisclosureSEC source: 0001567619-21-019456 · doc1.xml · nonDerivative · entry 1 Bender Mark Steven · CIK 0001330417 · Director · EVP and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 25,024 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $98.71 to $98.84, 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 |
| August 24, 2021 Filed Aug 24, 2021 21:17 UTC |
Zoeller Johnathan StevanVP and CAO
|
Tax withholdingCommon Stock | 236 | $84.06 | $19,838.16 |
DisclosureSEC source: 0001567619-21-016276 · doc1.xml · nonDerivative · entry 2 Zoeller Johnathan Stevan · CIK 0001803678 · VP and CAO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 750 Read SEC document |
| August 20, 2021 Filed Aug 24, 2021 21:17 UTC |
Zoeller Johnathan StevanVP and CAO
|
Exercise / conversionRestricted Stock Units · Derivative | 986 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-21-016276 · doc1.xml · derivative · entry 3 Zoeller Johnathan Stevan · CIK 0001803678 · VP and CAO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 986 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 Issuer's shares of common stock on a one-for-one basis. F2 · derivative.exercise_date: On August 20, 2018, the reporting person was granted 986 restricted stock units vesting on the third anniversary of the grant date. F2 · derivative.expiration_date: On August 20, 2018, the reporting person was granted 986 restricted stock units vesting on the third anniversary of the grant date. Read SEC document |
| August 20, 2021 Filed Aug 24, 2021 21:17 UTC |
Zoeller Johnathan StevanVP and CAO
|
Exercise / conversionCommon Stock | 986 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001567619-21-016276 · doc1.xml · nonDerivative · entry 1 Zoeller Johnathan Stevan · CIK 0001803678 · VP and CAO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 986 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 Issuer's shares of common stock on a one-for-one basis. Read SEC document |
| August 14, 2021 Filed Aug 16, 2021 17:55 UTC |
Chao David Tsung-HungDirector · 10% owner
|
Exercise / conversionRestricted Stock Units · Derivative | 2,400 | $0.00 | $0.00 |
DisclosureSEC 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 |
Chao David Tsung-HungDirector · 10% owner
|
Exercise / conversionCommon Stock | 2,400 | Not disclosed | Not disclosed |
DisclosureSEC 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 14, 2021 Filed Aug 16, 2021 17:56 UTC |
Graff Michael JDirector
|
Exercise / conversionRestricted Stock Units · Derivative | 2,400 | $0.00 | $0.00 |
DisclosureSEC source: 0001567619-21-015717 · doc1.xml · derivative · entry 3 Graff Michael J · CIK 0001457009 · Director 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 |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.