Westlake (WLK) CFO awarded 20,580 RSUs vesting in 2029

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Baksht Jonathan reported acquisition or exercise transactions in this Form 4 filing.

Westlake Corp SVP and CFO Jonathan Baksht reported receiving a grant of 20,580 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Westlake common stock, and all of these RSUs are scheduled to vest on June 15, 2029.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Baksht Jonathan

Role SVP and CFO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	20,580	$0.00	--

Holdings After Transaction: Restricted Stock Units — 20,580 shares (Direct, null)

Footnotes (1)

Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock. All of the RSUs will vest on June 15, 2029.

Key Figures

RSUs granted: 20,580 units Underlying common shares: 20,580 shares Grant transaction price: $0.0000 per unit +3 more

6 metrics

RSUs granted 20,580 units Restricted stock units awarded to SVP and CFO Jonathan Baksht

Underlying common shares 20,580 shares Common stock underlying granted RSUs

Grant transaction price $0.0000 per unit Reported transaction price for RSU grant

Vesting date June 15, 2029 All RSUs vest on this date

Holdings after grant 20,580 derivative units Total RSUs held following the reported transaction

Transaction code A Classified as grant, award, or other acquisition

Key Terms

Restricted Stock Units, RSU, contingent right, vest

4 terms

Restricted Stock Units financial

"Each restricted stock unit ("RSU") represents a contingent right to recieve one share"

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.

RSU financial

"Each restricted stock unit ("RSU") represents a contingent right to recieve one share"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

contingent right financial

"represents a contingent right to recieve one share of the Issuer's common stock"

vest financial

"All of the RSUs will vest on June 15, 2029."

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.

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Form 4 Insider Transactions: What Each Field Means →

06/16/2026 - 11:25 AM

SEC Form 4

FORM 4

UNITED 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^*

Baksht Jonathan

(Last)

(First)

(Middle)

2801 POST OAK BLVD

(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)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP and CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	06/15/2026		A		20,580		⁽²⁾	⁽²⁾	Common Stock	20,580	$0	20,580	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock.

2. All of the RSUs will vest on June 15, 2029.

	Jonathan Baksht, by J. Feng POA	06/16/2026
	** Signature of Reporting Person	Date
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

FAQ

What insider transaction did Westlake Corp (WLK) report for Jonathan Baksht?

Westlake Corp reported that SVP and CFO Jonathan Baksht acquired 20,580 restricted stock units. The Form 4 classifies the event as a grant or award acquisition of derivative securities linked to Westlake common stock, with no cash price per unit reported.

How many restricted stock units did the Westlake (WLK) CFO receive?

Jonathan Baksht received 20,580 restricted stock units. These RSUs are derivative securities that correspond to 20,580 underlying shares of Westlake common stock, according to the filing’s underlying security share count and the footnote describing each RSU as a right to one share.

When do Jonathan Baksht’s Westlake (WLK) RSUs vest?

All of Jonathan Baksht’s 20,580 restricted stock units vest on June 15, 2029. The footnotes state that each RSU vests on that single future date, at which point each unit represents a contingent right to receive one share of Westlake common stock.

What does each Westlake (WLK) RSU granted to the CFO represent?

Each restricted stock unit represents a contingent right to receive one share of Westlake common stock. The filing’s footnote explains that every RSU converts into one common share upon vesting, aligning the RSU count and the underlying common stock share count at 20,580.

Was the Westlake (WLK) CFO’s RSU transaction a market purchase or sale?

The RSU transaction was reported as a grant or award acquisition, not a market purchase or sale. The transaction code is A, with a price per unit of $0.0000, indicating an award of derivative securities rather than an open-market trade in Westlake common stock.