A Form 4 filed on August 13, 2026, reports that Stephen Finley, a director associated with Westlake Chemical Partners LP (NYSE:WLKP), acquired 5,044 Phantom Units on August 12, 2026.

Key Highlights

  • Reporting person: G. Stephen Finley, identified as a Director in relation to Westlake Chemical Partners LP.
  • Security acquired: 5,044 Phantom Units acquired on August 12, 2026, under transaction code "A" (acquired).
  • Price: The Phantom Units were acquired at a price of $0.
  • Exercisable and expiration dates: Date exercisable is listed as 08/12/2027 and expiration date as 09/12/2027.
  • Unit equivalency: According to the filing, each Phantom Unit is the economic equivalent of one Common Unit of the issuer.
  • Resulting ownership: Following the reported transaction, beneficial ownership of derivative securities stands at 0, with the units held directly.
  • Role clarification: The filing remarks that "Mr. Woelfel is a Director of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP."

Phantom Unit Acquisition by Director at Westlake Chemical Partners LP

According to the Form 4 filing submitted August 13, 2026, G. Stephen Finley reported the acquisition of 5,044 Phantom Units in Westlake Chemical Partners LP, listed on the NYSE under the ticker WLKP. The transaction date is listed as August 12, 2026, and the filing was signed by J. Feng under a power of attorney on behalf of G. Stephen Finley.

The filing discloses the transaction under Table II, covering derivative securities. The Phantom Units carry no conversion or exercise price, as the listed price is $0. The filing notes that each Phantom Unit "is the economic equivalent of one Common Unit of the Issuer," with 5,044 Common Units named as the underlying security. The date exercisable is stated as 08/12/2027, and the expiration date is 09/12/2027. Ownership of the units is recorded as direct.

The filing additionally states in its remarks that "Mr. Woelfel is a Director of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP." No non-derivative securities transactions were reported in Table I. The filing was submitted by one reporting person and is not identified as an amendment.

What Was Disclosed

The filing reports the acquisition of 5,044 Phantom Units at $0 by G. Stephen Finley on August 12, 2026, in connection with Westlake Chemical Partners LP. Each unit is described as economically equivalent to one Common Unit.