Westlake Chemical Partners LP (WLKP)
Data as of , from SEC Form 4 filings.
See up to 3 months of WLKP. The 7-day demo opens the 1M and 3M ranges and puts WLKP on your watchlist.
Start 7-day demoLatest WLKP insider trades
About Westlake Chemical Partners LP (WLKP)
The SEC lists Westlake Chemical Partners LP under CIK 0001604665, in industrial organic chemicals. It is grouped with Materials companies on this site.
WLKP Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 3 | 15,132 | |
| Option exercise | 6 | 30,030 | |
| Derivative transaction | 2 | 7,507 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
WLKP insider transactions (Form 4)
3314 Form 4 filings on record, the earliest from May 27, 2025, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Randy Woelfel - Director | Grant or award | Phantom Units | 5,044 | $0.00 | - | |
 G. Stephen Finley - Director | Grant or award | Phantom Units | 5,044 | $0.00 | - | |
| Lisa A. Friel - Director | Grant or award | Phantom Units | 5,044 | $0.00 | - | |
| Lisa A. Friel - Director | Option exercise | Common Units | 5,005 | - footnote F1 | - | |
| Lisa A. Friel - Director | Derivative | Common Units | 2,502 | $21.35 | $53K | |
| Lisa A. Friel - Director | Option exercise | Phantom Units | 5,005 | $0.00 | - | |
| ||||||
| Randy Woelfel - Director | Option exercise | Common Units | 5,005 | - footnote F1 | - | |
| Randy Woelfel - Director | Derivative | Common Units | 5,005 | $21.35 | $107K | |
| Randy Woelfel - Director | Option exercise | Phantom Units | 5,005 | $0.00 | - | |
| ||||||
| G. Stephen Finley - Director | Option exercise | Common Units | 5,005 | - footnote F1 | - | |
| G. Stephen Finley - Director | Option exercise | Phantom Units | 5,005 | $0.00 | - | |
| ||||||
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 84.96 | $23.57 | $2K | |
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 82.51 | $24.75 | $2K | |
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 93.73 | $22.20 | $2K | |
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 4,700 | $21.84 | $103K | |
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 1,250 | $21.86 | $27K | |
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 1,250 | $22.02 | $28K | |
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 320 | $22.95 | $7K | |
| Jean-Marc Gilson - Officer | Open-market purchase | Common Units | 95.29 | $21.25 | $2K | |
| Lisa A. Friel | Option exercise | Common Units | 4,882 | - | - | |
| Lisa A. Friel | Derivative | Common Units | 2,441 | $21.96 | $54K | |
| Lisa A. Friel | Grant or award | Phantom Units | 5,005 | $0.00 | - | |
| Lisa A. Friel | Option exercise | Phantom Units | 4,882 | $0.00 | - | |
| Randy Woelfel | Option exercise | Common Units | 4,882 | - | - | |
| Randy Woelfel | Derivative | Common Units | 4,882 | $21.96 | $107K | |
| Randy Woelfel | Grant or award | Phantom Units | 5,005 | $0.00 | - | |
| Randy Woelfel | Option exercise | Phantom Units | 4,882 | $0.00 | - | |
| G. Stephen Finley | Option exercise | Common Units | 4,882 | - | - | |
| G. Stephen Finley | Grant or award | Phantom Units | 5,005 | $0.00 | - | |
| G. Stephen Finley | Option exercise | Phantom Units | 4,882 | $0.00 | - | |
 James Chao - Officer | Open-market sale | Common Units | 3,700 | $22.10 | $82K | |
| James Chao - Officer | Open-market sale | Common Units | 5,608 | $22.17 | $124K | |
| James Chao - Officer | Open-market sale | Common Units | 4,600 | $22.10 | $102K | |
WLKP insider trading FAQ
What is the latest insider trade for WLKP?
Westlake Chemical Partners LP (WLKP) had 6 insider filings in the last 90 days, with the most recent on 2026-08-13. The full record for WLKP runs to 14 Form 4 filings, the earliest from 2025-05-27. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying WLKP stock?
No insider purchases of WLKP were filed in the last 90 days. 8 purchases are on record for this company.
How many insiders are selling WLKP stock?
No insider sales of WLKP were filed in the last 90 days. 3 sales are on record for this company.
Where can I see WLKP SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects WLKP Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Materials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Randy Woelfel view on EDGAR
- - G. Stephen Finley view on EDGAR
- - Lisa A. Friel view on EDGAR
- - Lisa A. Friel view on EDGAR
- - Randy Woelfel view on EDGAR
- - G. Stephen Finley view on EDGAR
- - Jean-Marc Gilson view on EDGAR
- - Jean-Marc Gilson view on EDGAR
- - Jean-Marc Gilson view on EDGAR
- - Lisa A. Friel
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Materials
- Where WLKP's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow WLKP with a 7-day demo
- WLKP on your watchlist
- Every WLKP Form 4 filing on record
- Up to 3 months of WLKP price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
