STOCK TITAN

Westlake Chemical Partners (NYSE: WLKP) director exercises and disposes 5,005 units

(Moderate)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Westlake Chemical Partners LP director Randy Woelfel exercised 5,005 Phantom Units into 5,005 Common Units on August 6, 2026, then disposed 5,005 Common Units back to the issuer at $21.35 per unit. Each Phantom Unit is economically equivalent to one Common Unit.

Positive

  • None.

Negative

  • None.
Insider WOELFEL RANDY
Role Director
Type Security Shares Price Value
Exercise Phantom Units F1 5,005 $0.00 $0.00
Exercise Common Units F1 5,005 -- --
Disposition Common Units 5,005 $21.35 $107K
Holdings After Transaction: Phantom Units — 0 shares (Direct); Common Units — 23,913 shares (Direct)
Footnotes (1)
  1. F1. Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.
Phantom Units exercised 5,005 units Derivative Phantom Units converted into Common Units on August 6, 2026
Common Units acquired via exercise 5,005 units Common Units received upon exercise of Phantom Units on August 6, 2026
Common Units disposed to issuer 5,005 units Disposition to issuer at $21.35 per unit on August 6, 2026
Disposition price per Common Unit $21.35 per unit Price for 5,005 Common Units disposed to issuer
Phantom Units remaining after exercise 0 units Total Phantom Units following transaction reported as 0.0000
Phantom Unit expiration date 2026-09-06 Expiration date of Phantom Units that were exercised on August 6, 2026
Phantom Units financial
"The reported derivative security consists of Phantom Units economically tied to Common Units."
Phantom units are a form of employee compensation that mimics ownership in a company without issuing real shares: recipients receive cash or stock value tied to the company’s share price or performance when the units vest. They matter to investors because phantom units align employee incentives with shareholder value while avoiding share dilution; however, they create future cash obligations and can affect a company’s financial statements and cash flow.
Common Units financial
"The exercise converted Phantom Units into Common Units of Westlake Chemical Partners LP."
Common units are the basic ownership stakes in a company, limited partnership, or trust that function like common stock: they give holders a claim on profits and often voting rights. Think of them as the ordinary seats at a table—the most directly affected by the business’s success or failure, so they typically offer higher upside but carry greater risk than preferred claims or creditors, which matters to investors evaluating potential return and safety.
Disposition to issuer financial
"A D-coded transaction reflects a disposition to issuer of Common Units."
Rule 10b5-1 trading plan regulatory
"The 10b5-1 checkbox is not marked, so no trading plan is designated."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates

FAQ

What insider transaction did WLKP director Randy Woelfel report?

Randy Woelfel reported exercising 5,005 Phantom Units into 5,005 Common Units and then disposing 5,005 Common Units back to Westlake Chemical Partners LP at $21.35 per unit on August 6, 2026, leaving no reported Phantom Units outstanding.

How many WLKP Phantom Units were converted and into what security?

Woelfel converted 5,005 Phantom Units into 5,005 Common Units. A footnote states each Phantom Unit is the economic equivalent of one Common Unit of Westlake Chemical Partners LP, so the exercise produced an equal number of Common Units before the subsequent disposition.

At what price were WLKP Common Units disposed in this Form 4?

The 5,005 Common Units were disposed to the issuer at $21.35 per unit. The transaction is coded as a disposition to issuer, indicating the units were transferred back to Westlake Chemical Partners LP rather than sold in the open market.

Were Randy Woelfel’s WLKP transactions under a Rule 10b5-1 plan?

The Form 4’s Rule 10b5-1 checkbox is not marked, indicating these transactions are not designated as occurring under a Rule 10b5-1 trading plan, based on the document-level indicator provided for the August 6, 2026 activity.

What happened to Randy Woelfel’s WLKP Phantom Units after the transactions?

After exercising 5,005 Phantom Units, the reported Phantom Unit holdings are 0. This reflects that all Phantom Units covered in this filing were converted into Common Units, which were then disposed to the issuer on the same date.
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*
WOELFEL RANDY

(Last)(First)(Middle)
2801 POST OAK BLVD., STE. 600

(Street)
HOUSTON TEXAS 77056

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Westlake Chemical Partners LP [ WLKP ]
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)
08/06/2026
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
Common Units08/06/2026M5,005A(1)28,918D
Common Units08/06/2026D5,005D$21.3523,913D
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
Phantom Units(1)08/06/2026M5,00508/06/202609/06/2026Common Units5,005$00D
Explanation of Responses:
1. Each Phantom Unit is the economic equivalent of one Common Unit of the Issuer.
Remarks:
Mr. Woelfel is a Director of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP.
Randy Woelfel by J Feng POA08/07/2026
** 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)