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Company profile

Westlake Chemical Partners LP Insider Trading

WLKP

Every SEC Form 4 insider trading filing for Westlake Chemical Partners LP (WLKP) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
NYSE
Sector
Industrial Organic Chemicals
CIK
0001604665
Filings
46
Insiders
6
Last filing
2026-08-12
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on August 12, 2026, when G Stephen Finley bought 5,044 shares. 46 filings from 6 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Westlake Chemical Partners LP insiders are net buyers across the period shown.

PurchasesSales
Q4 23$538KQ1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $538K.

90 day insight

Over the last 90 days, Westlake Chemical Partners LP insiders bought $0 (9 transactions) and sold $160K (2 transactions).

  • Most active insider: Randy Woelfel with 4 transactions totaling $107K.
  • Largest single sale: $107K by Randy Woelfel on Aug 6, 2026.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Aug 12, 2026G Stephen FinleyWLKP
Award
5,044——-1.0% 1m
Aug 12, 2026Lisa A. FrielWLKP
Award
5,044——-1.0% 1m
Aug 12, 2026Randy WoelfelWLKP
Award
5,044——-1.0% 1m
Aug 6, 2026G Stephen FinleyWLKP
Option Exercise
5,005——+0.4% 1m
Aug 6, 2026G Stephen FinleyWLKP
Option Exercise
5,005——+0.4% 1m

45 more transactions hidden

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Top insiders

By total value filed.

Andrew KennerSVP, Olefin Material & Corp Pr2 filings+$337K
James ChaoChairman3 filings−$308K
Randy Woelfel3 filings−$293K
Jean-Marc GilsonPresident and CEO14 filings+$263K
Lisa A. Friel3 filings−$159K

Institutional Ownership

Top 13F-HR holders of Westlake Chemical Partners LP as of 2026-06-30

↓ decreasing
Total reported AUM
$52.8M
QoQ change
-76.4%
Reporting period
2026-06-30
#1
Energy Income Partners, LLC
CIK 0001388814
$29.7M
1.3M shares
#2
Energy Income Partners, LLC
CIK 0001388814
$5.7M
254K shares
#3
Citigroup Inc
CIK 0000831001
$4.9M
218K shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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