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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
About this data
- What it is
- When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
- Who files it
- The insider, usually through the company, within two business days of the trade.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
Purchases Sales
By trade date. Insiders have two business days to file, so the most recent days fill in later.
Latest open-market insider trades
Showing: ticker WLKP
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 27, 2025 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 95 | $21.25 | $2,025 Buy | Form 4 ↗ |
| Aug 21, 2025 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 1,250 | $22.02 | $27.5K Buy | Form 4 ↗ |
| Aug 20, 2025 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 1,250 | $21.86 | $27.3K Buy | Form 4 ↗ |
| Aug 15, 2025 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 4,700 | $21.84 | $102.6K Buy | Form 4 ↗ |
| May 29, 2025 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 94 | $22.20 | $2,081 Buy | Form 4 ↗ |
| May 29, 2025 | James Chao Senior Chairman, Director | WLKP Westlake Chemical Partners LP | Sale | 3,700 | $22.10 | $81.8K Sale | Form 4 ↗ |
| May 28, 2025 | James Chao Senior Chairman, Director | WLKP Westlake Chemical Partners LP | Sale | 4,600 | $22.10 | $101.7K Sale | Form 4 ↗ |
| May 27, 2025 | James Chao Senior Chairman, Director | WLKP Westlake Chemical Partners LP | Sale | 5,608 | $22.17 | $124.3K Sale | Form 4 ↗ |
| Feb 25, 2025 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 83 | $24.75 | $2,042 Buy | Form 4 ↗ |
| Nov 27, 2024 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 85 | $23.57 | $2,003 Buy | Form 4 ↗ |
| Aug 28, 2024 | Jean-Marc Gilson President and CEO, Director | WLKP Westlake Chemical Partners LP | Buy | 320 | $22.95 | $7,344 Buy | Form 4/A ↗ |
11 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 6:12 PM EST.
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