WLKP · Insider Trading
WESTLAKE CHEMICAL PARTNERS LP
Every open-market purchase and sale reported by WLKP officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-13 | G Stephen Finley | Director | A | +5,044 deriv. | — |
| 2026-08-13 | Randy Woelfel | Director | A | +5,044 deriv. | — |
| 2026-08-13 | Lisa A. Friel | Director | A | +5,044 deriv. | — |
| 2026-08-07 | Randy Woelfel | Director | MIXED | — | −$106.86K |
| 2026-08-07 | Lisa A. Friel | Director | MIXED | +2,503 | −$53.42K |
| 2026-08-07 | G Stephen Finley | Director | M | +5,005 | — |
| 2025-08-29 | Jean-Marc Gilson | President and CEO | Buy | +95 | +$2.02K |
| 2025-08-28 | Jean-Marc Gilson | President and CEO | Buy | +320 | +$7.34K |
| 2025-08-28 | Jean-Marc Gilson | President and CEO | Buy | +7,461 | +$163.64K |
| 2025-08-08 | Lisa A. Friel | Director | MIXED | +2,441 | −$53.60K |
| 2025-08-08 | Randy Woelfel | Director | MIXED | — | −$107.21K |
| 2025-08-08 | G Stephen Finley | Director | M | +4,882 | — |
| 2025-05-30 | James Chao | Senior Chairman | Sell | −3,700 | −$81.77K |
| 2025-05-29 | James Chao | Senior Chairman | Sell | −10,208 | −$225.99K |
| 2024-09-03 | Jean-Marc Gilson | President and CEO | Buy | +1,000 | +$22.83K |
| 2024-08-28 | Jean-Marc Gilson | President and CEO | Buy | +2,000 | +$45.84K |
| 2024-08-26 | Jean-Marc Gilson | President and CEO | Buy | +927 | +$21.09K |
| 2024-08-14 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +2,692 | +$60.91K |
| 2024-08-12 | Lisa A. Friel | Director | MIXED | +2,280 | −$52.30K |
| 2024-08-12 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +12,000 | +$275.87K |
| 2024-08-12 | Randy Woelfel | Director | MIXED | +1,140 | −$78.45K |
| 2024-08-12 | G Stephen Finley | Director | M | +4,560 | — |
| 2024-08-08 | Randy Woelfel | Director | A | +4,882 deriv. | — |
| 2024-08-08 | G Stephen Finley | Director | A | +4,882 deriv. | — |
| 2024-08-08 | Lisa A. Friel | Director | A | +4,882 deriv. | — |
| 2024-06-03 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +2,291 | +$50.93K |
| 2024-05-14 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +7,178 | +$158.44K |
| 2024-05-13 | Lisa A. Friel | Director | MIXED | +2,442 | −$54.70K |
| 2024-05-10 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +10,000 | +$221.00K |
| 2024-04-01 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +5,000 | +$111.15K |
| 2024-03-25 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +4,230 | +$93.74K |
| 2024-03-07 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +5,000 | +$111.50K |
| 2024-02-26 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +10,000 | +$221.16K |
| 2023-11-13 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +5,000 | +$107.40K |
| 2023-11-08 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +10,000 | +$220.18K |
| 2023-08-31 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +10,000 | +$227.38K |
| 2023-08-24 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +11,762 | +$262.30K |
| 2023-08-23 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +643 | +$14.22K |
| 2023-08-21 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +5,000 | +$110.41K |
| 2023-08-16 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +4,204 | +$93.24K |
| 2023-08-11 | Lisa A. Friel | Director | A | +4,560 deriv. | — |
| 2023-08-11 | G Stephen Finley | Director | M | +4,177 | — |
| 2023-08-11 | Randy Woelfel | Director | MIXED | +2,088 | −$46.94K |
| 2023-08-11 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +10,000 | +$227.75K |
| 2023-08-09 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +5,000 | +$115.00K |
| 2023-05-11 | Lisa A. Friel | Director | A | +4,884 deriv. | — |
| 2023-03-14 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +5,000 | +$107.20K |
| 2023-03-13 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +10,000 | +$220.20K |
| 2022-11-16 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +4,362 | +$100.21K |
| 2022-11-14 | Andrew Kenner | SVP, Olefin Material & Corp Pr | Buy | +5,638 | +$129.55K |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| James Chao | Senior Chairman | 15,524,099 | $328.26M |
| G Stephen Finley | Director | 36,935 | $780.99K |
| Randy Woelfel | Director | 28,918 | $611.47K |
| Lisa A. Friel | Director | 12,168 | $257.29K |
| Jean-Marc Gilson | President and CEO | 11,803 | $249.58K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the WLKP quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.