5 insiders reported 21 Form 4 transactions for Westlake Chemical Partners LP (WLKP) over the past 18 months (most recent 2026-08-07). Recent activity: WOELFEL RANDY (Director) Buy 5,005 shares, Friel Lisa A. (Director) Buy 5,005 shares, WOELFEL RANDY (Director) Sell 5,005 shares, Friel Lisa A. (Director) Sell 2,502 shares, FINLEY G STEPHEN (Director) Buy 5,005 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-07 | WOELFEL RANDY | Director | Buy | 5,005 | $0 |
| 2026-08-07 | Friel Lisa A. | Director | Buy | 5,005 | $0 |
| 2026-08-07 | WOELFEL RANDY | Director | Sell | 5,005 | $106,857 |
| 2026-08-07 | Friel Lisa A. | Director | Sell | 2,502 | $53,418 |
| 2026-08-07 | FINLEY G STEPHEN | Director | Buy | 5,005 | $0 |
| 2025-08-29 | Gilson Jean-Marc | President and CEO | Buy | 95 | $2,025 |
| 2025-08-28 | Gilson Jean-Marc | President and CEO | Buy | 85 | $2,003 |
| 2025-08-28 | Gilson Jean-Marc | President and CEO | Buy | 83 | $2,042 |
| 2025-08-28 | Gilson Jean-Marc | President and CEO | Buy | 94 | $2,081 |
| 2025-08-28 | Gilson Jean-Marc | President and CEO | Buy | 4,700 | $102,648 |
| 2025-08-28 | Gilson Jean-Marc | President and CEO | Buy | 1,250 | $27,325 |
| 2025-08-28 | Gilson Jean-Marc | President and CEO | Buy | 1,250 | $27,525 |
| 2025-08-28 | Gilson Jean-Marc | President and CEO | Buy | 320 | $7,344 |
| 2025-08-08 | WOELFEL RANDY | Director | Buy | 4,882 | $0 |
| 2025-08-08 | FINLEY G STEPHEN | Director | Buy | 4,882 | $0 |
| 2025-08-08 | WOELFEL RANDY | Director | Sell | 4,882 | $107,209 |
| 2025-08-08 | Friel Lisa A. | Director | Buy | 4,882 | $0 |
| 2025-08-08 | Friel Lisa A. | Director | Sell | 2,441 | $53,604 |
| 2025-05-30 | Chao James | Senior Chairman | Sell | 3,700 | $81,770 |
| 2025-05-29 | Chao James | Senior Chairman | Sell | 5,608 | $124,329 |
| 2025-05-29 | Chao James | Senior Chairman | Sell | 4,600 | $101,660 |
Source: SEC Form 4 filings · as of 2026-08-07