Company · CIK 0001604665 · SIC 2860 — Industrial Organic Chemicals · NYSE
Westlake Chemical Partners LP · WLKP
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 6, 2026 DMForm 4 → | Aug 7, 7:35 am EDT | Lisa A. FrielDirector | 7,507 | $21.35 | $53,418 | 9,666 | — | |
| Aug 6, 2026 DMForm 4 → | Aug 7, 7:34 am EDT | Randy WoelfelDirector | 10,010 | $21.35 | $106,857 | 23,913 | — | |
| Aug 6, 2026 MForm 4 → | Aug 7, 7:32 am EDT | G Stephen FinleyDirector | 5,005 | — | — | 36,935 | — | |
| Nov 30, 2018 PForm 4 → | Dec 3, 8:09 am EST | David LumpkinsDirector | 4,000 | $22.56 | $90,240 | 22,259 | +21.9% | plan? |
| Nov 26, 2018 PForm 4 → | Nov 26, 2:01 pm EST | Angela A MinasDirector | 5,000 | $22.75 | $113,750 | 13,382 | +59.7% | plan? |
| Nov 19, 2018 PForm 4 → | Nov 20, 7:16 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 10,386 | $23.24 | $241,371 | 96,435 | +12.1% | plan? |
| Nov 15, 2018 PForm 4 → | Nov 19, 9:48 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 14,944 | $23.26 | $347,577 | 86,049 | +21.0% | plan? |
| Nov 13, 2018 PForm 4 → | Nov 15, 7:53 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 17,605 | $23.32 | $410,634 | 71,105 | +32.9% | plan? |
| Nov 12, 2018 PForm 4 → | Nov 14, 1:15 pm EST | James ChaoDirector, 10% Owner | 10,000 | $22.77 | $227,700 | 55,000 | +22.2% | plan? |
| Nov 12, 2018 PForm 4 → | Nov 13, 11:44 am EST | David LumpkinsDirector | 4,000 | $22.83 | $91,313 | 18,259 | +28.1% | plan? |
| Aug 16, 2018 MForm 4 → | Aug 20, 10:19 am EDT | David LumpkinsDirector | 6,723 | — | — | 14,259 | — | plan? |
| Aug 16, 2018 MForm 4 → | Aug 20, 10:18 am EDT | Angela A MinasDirector | 3,382 | — | — | 8,382 | — | plan? |
| Aug 16, 2018 DMForm 4 → | Aug 20, 10:17 am EDT | Max L LukensDirector | 13,446 | $25.40 | $170,758 | 125,000 | — | plan? |
| Mar 6, 2018 PForm 4 → | Mar 7, 2:07 pm EST | Albert ChaoPresident & CEO, Director, 10% Owner | 2,000 | $23.16 | $46,320 | 53,500 | +3.88% | plan? |
| Mar 2, 2018 PForm 4 → | Mar 6, 10:41 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 4,000 | $22.89 | $91,540 | 51,500 | +8.42% | plan? |
| Mar 1, 2018 PForm 4 → | Mar 5, 12:26 pm EST | Lawrence E. TeelSVP, Olefins | 5,000 | $22.75 | $113,750 | 7,800 | +179% | plan? |
| Mar 1, 2018 PForm 4 → | Mar 2, 7:58 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 2,500 | $22.98 | $57,450 | 47,500 | +5.56% | plan? |
| Feb 27, 2018 PForm 4 → | Feb 27, 1:26 pm EST | Mark Steven BenderSVP, CFO and Treasurer, Director | 2,000 | $23.77 | $47,535 | 12,000 | +20.0% | plan? |
| Jan 30, 2018 MForm 4 → | Jan 30, 7:38 am EST | David LumpkinsDirector | 2,536 | — | — | 7,536 | — | plan? |
| Dec 4, 2017 PForm 4 → | Dec 5, 1:04 pm EST | James ChaoDirector, 10% Owner | 8,473 | $22.17 | $187,846 | 8,473 | — | plan? |
| Nov 28, 2017 PForm 4 → | Nov 29, 5:12 pm EST | Albert ChaoPresident & CEO, Director, 10% Owner | 14,900 | $21.98 | $327,501 | 27,275 | +120% | plan? |
| Nov 24, 2017 PForm 4 → | Nov 28, 10:49 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 10,375 | $22.12 | $229,500 | 12,375 | +519% | plan? |
| Nov 22, 2017 PForm 4/A → | Nov 28, 10:48 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 2,000 | $21.49 | $42,988 | 2,000 | — | plan? |
| Nov 22, 2017 PForm 4 → | Nov 27, 11:06 am EST | Albert ChaoPresident & CEO, Director, 10% Owner | 2,000 | $21.49 | $42,988 | 47,000 | +4.44% | plan? amended |
| Aug 30, 2017 CForm 4 → | Aug 31, 9:41 am EDT | WPT LLC +610% Owner | 12,686,115 | — | — | 14,122,230 | — | plan? |
| Aug 20, 2017 DMForm 4 → | Aug 21, 11:14 am EDT | Max L LukensDirector | 4,404 | $23.20 | $51,086 | 125,000 | — | plan? |
| Aug 7, 2017 PForm 4 → | Nov 16, 1:56 pm EST | Lawrence E. TeelSVP, Olefins | 300 | $25.15 | $7,545 | 2,800 | +12.0% | plan? late |
| Mar 9, 2017 PForm 4 → | Mar 10, 4:11 pm EST | David LumpkinsDirector | 2,500 | $25.42 | $63,540 | 5,000 | +100% | plan? |
| Mar 7, 2017 PForm 4 → | Mar 9, 8:12 pm EST | David LumpkinsDirector | 2,500 | $25.63 | $64,080 | 2,500 | — | plan? |
| Nov 30, 2016 PForm 4 → | Dec 2, 4:11 pm EST | Angela A MinasDirector | 5,000 | $21.00 | $105,000 | 5,000 | — | plan? |