Westlake Chemical Partners LP — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Gilson Jean-Marc | President and CEO | Purchase | 95 | $21.25 | $2,025 | 11,803 | Aug 27, 2025 |
| WOELFEL RANDY | — | Disposition | 4,882 | $21.96 | $107,209 | 23,913 | Aug 7, 2025 |
| Friel Lisa A. | — | Disposition | 2,441 | $21.96 | $53,604 | 7,163 | Aug 7, 2025 |
| FINLEY G STEPHEN | — | Option Exercise | 4,882 | — | — | 31,930 | Aug 7, 2025 |
| Chao James | Senior Chairman | Sale | 3,700 | $22.10 | $81,770 | — | May 29, 2025 |
| Chao James | Senior Chairman | Sale | 5,608 | $22.17 | $124,329 | 8,300 | May 28, 2025 |
| Gilson Jean-Marc | President and CEO | Purchase | 4,700 | $21.84 | $102,648 | 9,208 | Feb 25, 2025 |
| Gilson Jean-Marc | President and CEO | Purchase | 1,000 | $22.83 | $22,830 | 3,927 | Aug 29, 2024 |
| Gilson Jean-Marc | President and CEO | Purchase | 320 | $22.95 | $7,344 | 3,427 | Aug 28, 2024 |
| Gilson Jean-Marc | President and CEO | Purchase | 1,000 | $22.95 | $22,950 | 2,427 | Aug 26, 2024 |
| Gilson Jean-Marc | President and CEO | Purchase | 427 | $22.60 | $9,650 | 427 | Aug 23, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 2,692 | $22.63 | $60,920 | 185,000 | Aug 12, 2024 |
| FINLEY G STEPHEN | — | Option Exercise | 4,560 | — | — | 27,048 | Aug 9, 2024 |
| WOELFEL RANDY | — | Disposition | 3,420 | $22.94 | $78,455 | 23,913 | Aug 9, 2024 |
| Friel Lisa A. | — | Disposition | 2,280 | $22.94 | $52,303 | 4,722 | Aug 9, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 12,000 | $22.99 | $275,880 | 182,308 | Aug 9, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 2,291 | $22.23 | $50,929 | 170,308 | May 30, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 7,178 | $22.07 | $158,418 | 168,017 | May 10, 2024 |
| Friel Lisa A. | — | Disposition | 2,442 | $22.40 | $54,701 | 2,442 | May 10, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 10,000 | $22.10 | $221,000 | 160,839 | May 8, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,000 | $22.23 | $111,150 | 150,839 | Mar 28, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 4,230 | $22.16 | $93,737 | 145,839 | Mar 21, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,000 | $22.30 | $111,500 | 141,609 | Mar 6, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 10,000 | $22.12 | $221,200 | 136,609 | Feb 22, 2024 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,000 | $21.48 | $107,400 | 126,609 | Nov 9, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 10,000 | $22.02 | $220,200 | 121,609 | Nov 6, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 10,000 | $22.74 | $227,400 | 111,609 | Aug 29, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 11,762 | $22.30 | $262,293 | 101,609 | Aug 22, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 643 | $22.11 | $14,217 | 89,847 | Aug 21, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,000 | $22.08 | $110,400 | 89,204 | Aug 17, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 3,349 | $22.23 | $74,448 | 84,204 | Aug 15, 2023 |
| WOELFEL RANDY | — | Disposition | 2,089 | $22.47 | $46,940 | 22,773 | Aug 10, 2023 |
| FINLEY G STEPHEN | — | Option Exercise | 4,177 | — | — | 22,488 | Aug 10, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,000 | $22.55 | $112,750 | 80,000 | Aug 9, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,000 | $23.00 | $115,000 | 70,000 | Aug 7, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,000 | $21.44 | $107,200 | 65,000 | Mar 13, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 10,000 | $22.02 | $220,200 | 60,000 | Mar 10, 2023 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 4,362 | $22.97 | $100,195 | 50,000 | Nov 15, 2022 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 5,638 | $22.98 | $129,561 | 45,638 | Nov 10, 2022 |
| WOELFEL RANDY | — | Disposition | 1,863 | $25.42 | $47,357 | 20,685 | Aug 11, 2022 |
| Minas Angela A | — | Option Exercise | 3,726 | — | — | 21,290 | Aug 11, 2022 |
| FINLEY G STEPHEN | — | Option Exercise | 3,726 | — | — | 18,311 | Aug 11, 2022 |
| Chao James | Chairman | Gift | 10,000 | — | — | 13,908 | Jun 9, 2022 |
| Chao James | Chairman | Sale | 29,092 | $26.87 | $781,702 | 25,908 | May 31, 2022 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 10,000 | $26.34 | $263,400 | 40,000 | Mar 8, 2022 |
| Kenner Andrew | SVP, Olefin Material & Corp Pr | Purchase | 8,000 | $26.15 | $209,200 | 30,000 | Mar 7, 2022 |
| WOELFEL RANDY | — | Disposition | 2,463 | $26.60 | $65,516 | 18,822 | Aug 12, 2021 |
| Minas Angela A | — | Option Exercise | 4,927 | — | — | 20,027 | Aug 12, 2021 |
| FINLEY G STEPHEN | — | Option Exercise | 4,927 | — | — | 14,585 | Aug 12, 2021 |
| FINLEY G STEPHEN | — | Option Exercise | 5,658 | — | — | 9,658 | May 14, 2021 |