Transaction #24390 · Form 4 · 0001193125-25-329926
WESTLAKE CORP · Exercise / conversion · Common Stock
WESTLAKE CORP · Transacted December 22, 2025 · Filed December 23, 2025
What does this filing report?
An SEC Form 4 filing for WESTLAKE CORP records an exercise / conversion involving Common Stock on December 22, 2025. The reported quantity was 81,673. The filing date is December 23, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- WESTLAKE CORP
- Company CIK
- 0001262823
- Security type
- Non-derivative
- Acquisition type
- Exercise / conversion · Code M
- Quantity acquired
- 81,673
- Reported price
- 44.42
- Reference value
- 3,627,914.66
- Currency
- Currency not specified
- Ownership
- Direct
- Holdings after transaction
- 668,558
- Ownership description
- Not reported
- SEC acceptance time
- Dec 23, 2025, 9:37 AM EST
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- Chao Albert ↗
Executive Chairman · Director
CIK 0001299403
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
The linked listing is identified separately from other current company listings.
Filing footnotes & remarks
- F1
- A portion of the sale proceeds were used to cover the strike price and related taxes in regards to the excercise of the options disclosed in Table II.
- F2
- Weighted average price. These shares were sold in multiple transactions ranging from $72.395 to $73.39 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
- F3
- Weighted average price. These shares were sold in multiple transactions ranging from $73.40 to $74.40 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
- F4
- Weighted average price. These shares were sold in multiple transactions ranging from $74.405 to $74.515 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
- F5
- The stock options are exercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019, respectively.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.