WLKP insider buying
2 cluster buysWestlake Chemical Partners LP · Materials
When two or more insiders at Westlake Chemical Partners LP buy WLKP on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in WLKP plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Aug 15 – Aug 27, 2025Detected Aug 27, 2025High conviction2 insidersTotal bought$104.7KMarket cap$778.9M
- Mar 28 – Aug 29, 2024Detected Aug 29, 2024High conviction3 insidersTotal bought$968.1KMarket cap$778.9M
All notable open-market buys in WLKP
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Aug 27, 2025 | Gilson Jean-Marccluster Director, President and CEO | 95.29 | $21.25 | $2.0K | SEC ↗ |
| Aug 15, 2025 | Gilson Jean-Marccluster Director, President and CEO | 4,700 | $21.84 | $102.6K | SEC ↗ |
| Aug 29, 2024 | Gilson Jean-Marccluster Director, President and CEO | 1,000 | $22.83 | $22.8K | SEC ↗ |
| Aug 28, 2024 | Gilson Jean-Marccluster Director, President and CEO | 500 | $22.94 | $11.5K | SEC ↗ |
| Aug 27, 2024 | Gilson Jean-Marccluster Director, President and CEO | 1,000 | $22.95 | $23.0K | SEC ↗ |
| Aug 26, 2024 | Gilson Jean-Marccluster Director, President and CEO | 500 | $22.85 | $11.4K | SEC ↗ |
| Aug 23, 2024 | Gilson Jean-Marccluster Director, President and CEO | 500 | $22.88 | $11.4K | SEC ↗ |
| Aug 22, 2024 | Gilson Jean-Marccluster Director, President and CEO | 427 | $22.60 | $9.7K | SEC ↗ |
| Aug 12, 2024 | Kenner Andrewcluster SVP, Olefin Material & Corp Pr | 2,692 | $22.63 | $60.9K | SEC ↗ |
| Aug 9, 2024 | Kenner Andrewcluster SVP, Olefin Material & Corp Pr | 12,000 | $22.99 | $275.9K | SEC ↗ |
| May 30, 2024 | Kenner Andrewcluster SVP, Olefin Material & Corp Pr | 2,291 | $22.23 | $50.9K | SEC ↗ |
| May 10, 2024 | Kenner Andrewcluster SVP, Olefin Material & Corp Pr | 7,178 | $22.07 | $158.4K | SEC ↗ |
| May 8, 2024 | Kenner Andrewcluster SVP, Olefin Material & Corp Pr | 10,000 | $22.10 | $221.0K | SEC ↗ |
| Mar 28, 2024 | Kenner Andrewcluster SVP, Olefin Material & Corp Pr | 5,000 | $22.23 | $111.2K | SEC ↗ |
More Materials stocks with insider cluster buys
WLKP insider buying — FAQ
- Are insiders buying WLKP stock?
- Yes — 4 distinct insiders have bought WLKP (Westlake Chemical Partners LP) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Aug 29, 2025.
- How much WLKP stock have insiders bought?
- Insiders have bought a combined $1.1M of WLKP across 14 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in WLKP?
- A cluster buy is two or more distinct Westlake Chemical Partners LP insiders — officers, directors, or 10% owners — each buying WLKP on the open market within a rolling window. WLKP has 2 detected cluster buys to date.
- Where does this WLKP insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in WLKP
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy WLKP within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding WLKP.