Quiet on the insider front: nobody at Westlake Chemical Partners LP bought or sold WLKP shares in open-market trades this past year.
No open-market insider buying or selling in the last full quarter. Insiders bought in 3 of the last 7 full quarters. 56 investment managers listed WLKP in their latest 13F filings (Q2 2026); more funds bought than sold.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Aug 29, 2025 | Gilson Jean-Marc | CEO | Buy | 95 | $21.25 | $2K | SEC |
| Aug 28, 2025 | Gilson Jean-Marc | CEO | Buy | 83 | $24.75 | $2K | SEC |
| Aug 28, 2025 | Gilson Jean-Marc | CEO | Buy | 94 | $22.20 | $2K | SEC |
| Aug 28, 2025 | Gilson Jean-Marc | CEO | Buy | 1,250 | $21.86 | $27K | SEC |
| Aug 28, 2025 | Gilson Jean-Marc | CEO | Buy | 1,250 | $22.02 | $28K | SEC |
| Aug 28, 2025 | Gilson Jean-Marc | CEO | Buy | 85 | $23.57 | $2K | SEC |
| Aug 28, 2025 | Gilson Jean-Marc | CEO | Buy | 4,700 | $21.84 | $103K | SEC |
| Aug 28, 2025 | Gilson Jean-Marc | CEO | Buy | 320 | $22.95 | $7K | SEC |
| May 30, 2025 | Chao James | Chair | Sell | 3,700 | $22.10 | $82K | SEC |
| May 29, 2025 | Chao James | Chair | Sell | 4,600 | $22.10 | $102K | SEC |
| May 29, 2025 | Chao James | Chair | Sell | 5,608 | $22.17 | $124K | SEC |
| Sep 3, 2024 | Gilson Jean-Marc | CEO | Buy | 1,000 | $22.83 | $23K | SEC |
| Aug 28, 2024 | Gilson Jean-Marc | CEO | Buy | 500 | $22.85 | $11K | SEC |
| Aug 28, 2024 | Gilson Jean-Marc | CEO | Buy | 500 | $22.94 | $11K | SEC |
| Aug 28, 2024 | Gilson Jean-Marc | CEO | Buy | 1,000 | $22.95 | $23K | SEC |
There were no open-market insider trades in WLKP in the last 12 months. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
56 investment managers reported holding WLKP in SEC Form 13F filings for Q2 2026.
No congressional trades in WLKP were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).