Insider · CIK 0001299403
Albert Chao
Files at: WLK, WLKP. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 11, 2026 SForm 4 → | Aug 11, 5:45 pm EDT | WESTLAKE CORPWLK | 38,873 | $80.28 | $3,120,775 | 642,880 | −5.70% | |
| Aug 11, 2026 MForm 4 → | Aug 11, 5:45 pm EDT | WESTLAKE CORPWLK | 38,873 | $61.87 | $2,404,878 | 681,753 | — | |
| Feb 18, 2019 FMForm 4 → | Feb 20, 1:46 pm EST | WESTLAKE CHEMICAL CORPWLK | 28,623 | $73.51 | $526,971 | 338,939 | — | plan? |
| Nov 19, 2018 PForm 4 → | Nov 20, 7:16 am EST | Westlake Chemical Partners LPWLKP | 10,386 | $23.24 | $241,371 | 96,435 | +12.1% | plan? |
| Nov 16, 2018 SForm 4 → | Nov 19, 9:29 am EST | WESTLAKE CHEMICAL CORPWLK | 24,509 | $71.75 | $1,758,608 | 324,654 | −7.02% | plan? |
| Nov 16, 2018 MForm 4 → | Nov 19, 9:29 am EST | WESTLAKE CHEMICAL CORPWLK | 30,640 | $7.12 | $218,157 | 349,163 | — | plan? |
| Nov 15, 2018 PForm 4 → | Nov 19, 9:48 am EST | Westlake Chemical Partners LPWLKP | 14,944 | $23.26 | $347,577 | 86,049 | +21.0% | plan? |
| Nov 14, 2018 SForm 4 → | Nov 16, 1:06 pm EST | WESTLAKE CHEMICAL CORPWLK | 49,130 | $71.31 | $3,503,643 | 318,523 | −13.4% | plan? |
| Nov 14, 2018 MForm 4 → | Nov 16, 1:06 pm EST | WESTLAKE CHEMICAL CORPWLK | 61,279 | $7.12 | $436,306 | 343,032 | — | plan? |
| Nov 13, 2018 PForm 4 → | Nov 15, 7:53 am EST | Westlake Chemical Partners LPWLKP | 17,605 | $23.32 | $410,634 | 71,105 | +32.9% | plan? |
| Nov 12, 2018 SForm 4 → | Nov 14, 1:14 pm EST | WESTLAKE CHEMICAL CORPWLK | 40,000 | $73.47 | $2,938,808 | 306,374 | −11.5% | plan? |
| Nov 12, 2018 MForm 4 → | Nov 14, 1:14 pm EST | WESTLAKE CHEMICAL CORPWLK | 63,973 | $7.12 | $455,488 | 321,374 | — | plan? |
| Mar 6, 2018 PForm 4 → | Mar 7, 2:07 pm EST | Westlake Chemical Partners LPWLKP | 2,000 | $23.16 | $46,320 | 53,500 | +3.88% | plan? |
| Mar 2, 2018 PForm 4 → | Mar 6, 10:41 am EST | Westlake Chemical Partners LPWLKP | 4,000 | $22.89 | $91,540 | 51,500 | +8.42% | plan? |
| Mar 1, 2018 PForm 4 → | Mar 2, 7:58 am EST | Westlake Chemical Partners LPWLKP | 2,500 | $22.98 | $57,450 | 47,500 | +5.56% | plan? |
| Feb 20, 2018 FMForm 4 → | Feb 22, 9:30 am EST | WESTLAKE CHEMICAL CORPWLK | 18,787 | $106.98 | $556,510 | 282,401 | — | plan? |
| Nov 28, 2017 SForm 4 → | Nov 30, 12:49 pm EST | WESTLAKE CHEMICAL CORPWLK | 41,844 | $94.84 | $3,968,421 | 274,018 | −13.2% | plan? |
| Nov 28, 2017 MForm 4 → | Nov 30, 12:49 pm EST | WESTLAKE CHEMICAL CORPWLK | 41,844 | $9.65 | $403,585 | 290,862 | — | plan? |
| Nov 28, 2017 PForm 4 → | Nov 29, 5:12 pm EST | Westlake Chemical Partners LPWLKP | 14,900 | $21.98 | $327,501 | 27,275 | +120% | plan? |
| Nov 27, 2017 SForm 4 → | Nov 28, 10:53 am EST | WESTLAKE CHEMICAL CORPWLK | 25,000 | $93.96 | $2,349,055 | 274,018 | −8.36% | plan? |
| Nov 27, 2017 MForm 4 → | Nov 28, 10:53 am EST | WESTLAKE CHEMICAL CORPWLK | 25,000 | $9.65 | $241,125 | 299,018 | — | plan? |
| Nov 24, 2017 PForm 4 → | Nov 28, 10:49 am EST | Westlake Chemical Partners LPWLKP | 10,375 | $22.12 | $229,500 | 12,375 | +519% | plan? |
| Nov 22, 2017 PForm 4/A → | Nov 28, 10:48 am EST | Westlake Chemical Partners LPWLKP | 2,000 | $21.49 | $42,988 | 2,000 | — | plan? |
| Nov 22, 2017 SForm 4 → | Nov 27, 12:40 pm EST | WESTLAKE CHEMICAL CORPWLK | 45,000 | $94.76 | $4,264,077 | 274,018 | −14.1% | plan? |
| Nov 22, 2017 MForm 4 → | Nov 27, 12:40 pm EST | WESTLAKE CHEMICAL CORPWLK | 45,000 | $9.65 | $434,025 | 294,018 | — | plan? |
| Nov 22, 2017 PForm 4 → | Nov 27, 11:06 am EST | Westlake Chemical Partners LPWLKP | 2,000 | $21.49 | $42,988 | 47,000 | +4.44% | plan? amended |
| Nov 21, 2017 SForm 4 → | Nov 22, 11:10 am EST | WESTLAKE CHEMICAL CORPWLK | 25,000 | $94.34 | $2,358,375 | 274,018 | −8.36% | plan? |
| Nov 21, 2017 MForm 4 → | Nov 22, 11:10 am EST | WESTLAKE CHEMICAL CORPWLK | 25,000 | $9.65 | $241,125 | 299,018 | — | plan? |
| Feb 23, 2017 SForm 4 → | Feb 28, 4:32 pm EST | WESTLAKE CHEMICAL CORPWLK | 42,180 | $63.35 | $2,672,124 | 274,018 | −13.3% | plan? late |
| Feb 23, 2017 MForm 4 → | Feb 28, 4:32 pm EST | WESTLAKE CHEMICAL CORPWLK | 42,180 | $15.81 | $666,655 | 316,198 | — | plan? late |
| Feb 14, 2017 FMForm 4 → | Feb 16, 4:12 pm EST | WESTLAKE CHEMICAL CORPWLK | 16,360 | $64.01 | $225,443 | 274,018 | — | plan? |
| Nov 16, 2016 SForm 4 → | Nov 18, 4:33 pm EST | WESTLAKE CHEMICAL CORPWLK | 20,000 | $54.15 | $1,082,916 | 0 | −100% | plan? |
| Nov 14, 2016 SForm 4 → | Nov 16, 4:12 pm EST | WESTLAKE CHEMICAL CORPWLK | 20,000 | $52.95 | $1,059,034 | 20,000 | −50.0% | plan? |
| Feb 15, 2016 FMForm 4 → | Feb 18, 4:03 pm EST | WESTLAKE CHEMICAL CORPWLK | 18,177 | $43.52 | $171,077 | 264,702 | — | plan? late |
| Feb 18, 2015 FForm 4 → | Feb 20, 4:05 pm EST | WESTLAKE CHEMICAL CORPWLK | 7,821 | $66.79 | $522,340 | 254,387 | — | plan? |