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Westlake (NYSE: WLK) awards director 2,184 RSUs vesting in 2027

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

CREGG ROGER A reported acquisition or exercise transactions in this Form 4 filing.

WESTLAKE CORP director Roger A. Cregg received a grant of 2,184 Restricted Stock Units that are settled in the company’s common stock on a one-for-one basis. All of these RSUs will vest on August 14, 2027, and his directly held RSU balance after this grant is 2,184 units.

Positive

  • None.

Negative

  • None.
Insider CREGG ROGER A
Role Director
Type Security Shares Price Value
Grant/Award Restricted Stock Units F1, F2 2,184 $0.00 $0.00
Holdings After Transaction: Restricted Stock Units — 2,184 shares (Direct)
Footnotes (2)
  1. F1. Restricted stock units convert into the Issuer's common stock on a one-for-one basis.
  2. F2. All of the restricted stock units will vest on August 14, 2027.
RSUs granted 2,184.0000 units Restricted Stock Units granted to Roger A. Cregg on 2026-08-14
Transaction price per RSU 0.0000 Reported acquisition price per Restricted Stock Unit
RSUs following transaction 2,184.0000 units Total Restricted Stock Units held directly after the grant
Underlying common shares 2,184.0000 shares Common stock underlying the RSUs on a one-for-one basis
Vesting date August 14, 2027 Date when all reported Restricted Stock Units will vest
Restricted Stock Units financial
"Restricted stock units convert into the Issuer's common stock on a one-for-one basis"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
vest financial
"All of the restricted stock units will vest on August 14, 2027"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
one-for-one basis financial
"Restricted stock units convert into the Issuer's common stock on a one-for-one basis"

FAQ

What equity award did WESTLAKE CORP (WLK) director Roger A. Cregg receive?
Roger A. Cregg received a grant of 2,184 Restricted Stock Units. These RSUs represent a right to receive an equal number of WESTLAKE CORP common shares upon settlement, subject to vesting conditions.

When do Roger A. Cregg’s new WESTLAKE CORP (WLK) RSUs vest?
All of the 2,184 Restricted Stock Units granted to Roger A. Cregg will vest on August 14, 2027. Vesting means the units become earned and eligible to convert into common stock.

How many WESTLAKE CORP (WLK) RSUs does Roger A. Cregg hold after this Form 4 transaction?
Following the reported transaction, Roger A. Cregg holds 2,184 Restricted Stock Units directly. This reflects the newly granted award and represents his reported RSU position in this filing.

What is the conversion rate of Roger A. Cregg’s WESTLAKE CORP (WLK) RSUs into common stock?
Each Restricted Stock Unit converts into one share of WESTLAKE CORP common stock. The filing states that RSUs convert into the issuer’s common stock on a one-for-one basis upon settlement.

Did Roger A. Cregg buy or sell WESTLAKE CORP (WLK) shares on the market in this Form 4?
No market purchase or sale is reported. The Form 4 shows a grant of 2,184 Restricted Stock Units, classified as a compensation-related acquisition, rather than an open-market trade.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
CREGG ROGER A
(Last)(First)(Middle)
2801 POST OAK BLVD., SUITE 600
(Street)
HOUSTON TEXAS 77056
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
WESTLAKE CORP [ WLK ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)08/14/2026A2,184 (2) (2)Common Stock2,184$02,184D
Explanation of Responses:
1. Restricted stock units convert into the Issuer's common stock on a one-for-one basis.
2. All of the restricted stock units will vest on August 14, 2027.
Roger Cregg by J Feng POA08/17/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR