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| Latest Insider Trading | Top Insider Trading Recent Week | Top 10% Owner Trading Recent Week | Filter
|
| Ticker | Owner | Relationship | Date | Transaction | Cost  |
#Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| WLK | Chao Albert | Executive Chairman | Feb 18 '25 | Option Exercise | 0.00 | 17,972 | 0 | 572,888 | Feb 20 02:30 PM |
| WLK | Chao Albert | Executive Chairman | Aug 16 '24 | Option Exercise | 68.09 | 45,298 | 3,084,341 | 600,214 | Aug 19 02:50 PM |
| WLK | Chao Albert | Officer | Aug 16 '24 | Proposed Sale | 145.00 | 45,298 | 6,568,210 | Aug 16 04:44 PM | |
| WLK | Chao Albert | President & CEO | Feb 19 '24 | Option Exercise | 0.00 | 19,810 | 0 | 579,696 | Feb 21 10:28 AM |
| WLK | Chao Albert | President & CEO | Aug 31 '23 | Option Exercise | 63.98 | 19,988 | 1,278,782 | 540,136 | Sep 01 10:11 AM |
| WLK | Chao Albert | President & CEO | Aug 30 '23 | Option Exercise | 63.98 | 20,000 | 1,279,550 | 540,148 | Aug 31 11:36 AM |
| WLK | Chao Albert | President & CEO | May 19 '22 | Option Exercise | 45.70 | 37,876 | 1,730,839 | 510,859 | May 23 12:07 PM |
| WLK | Chao Albert | President & CEO | May 19 '22 | Sale | 130.38 | 37,876 | 4,938,182 | 472,983 | May 23 12:07 PM |
| WLK | Chao Albert | President & CEO | Dec 02 '21 | Option Exercise | 30.05 | 30,787 | 925,226 | 472,726 | Dec 06 10:49 AM |
| WLK | Chao Albert | President & CEO | Dec 02 '21 | Sale | 91.85 | 30,787 | 2,827,774 | 441,939 | Dec 06 10:49 AM |
| WLK | Chao Albert | President & CEO | Dec 01 '21 | Option Exercise | 30.05 | 30,787 | 925,226 | 472,726 | Dec 03 07:56 AM |
| WLK | Chao Albert | President & CEO | Dec 01 '21 | Sale | 91.75 | 30,787 | 2,824,790 | 441,939 | Dec 03 07:56 AM |
| WLK | Chao Albert | President & CEO | Aug 11 '21 | Buy | 86.21 | 3,000 | 258,630 | 441,939 | Aug 12 11:44 AM |
| WLK | Chao Albert | President & CEO | Nov 06 '20 | Option Exercise | 22.91 | 55,148 | 1,263,716 | 482,804 | Nov 10 10:05 AM |
| WLK | Chao Albert | President & CEO | Nov 06 '20 | Sale | 72.99 | 55,148 | 4,025,281 | 427,656 | Nov 10 10:05 AM |
| WLKP | Chao Albert | President & CEO | Mar 24 '20 | Buy | 13.70 | 4,779 | 65,462 | 166,435 | Mar 25 10:24 AM |
| WLKP | Chao Albert | President & CEO | Mar 23 '20 | Buy | 13.12 | 4,780 | 62,714 | 161,656 | Mar 24 08:44 AM |
| WLKP | Chao Albert | President & CEO | Mar 20 '20 | Buy | 13.90 | 13,681 | 190,207 | 156,876 | Mar 23 07:45 AM |
| WLKP | Chao Albert | President & CEO | Mar 19 '20 | Buy | 13.80 | 9,135 | 126,021 | 143,195 | Mar 20 09:19 AM |
| WLKP | Chao Albert | President & CEO | Mar 18 '20 | Buy | 11.68 | 15,974 | 186,582 | 134,060 | Mar 19 10:10 AM |
| WLKP | Chao Albert | President & CEO | Mar 17 '20 | Buy | 13.82 | 10,536 | 145,650 | 118,086 | Mar 18 09:20 AM |
| WLKP | Chao Albert | President & CEO | Mar 16 '20 | Buy | 14.15 | 7,535 | 106,620 | 107,550 | Mar 17 08:05 AM |
| WLKP | Chao Albert | President & CEO | Mar 13 '20 | Buy | 15.18 | 3,580 | 54,344 | 100,015 | Mar 16 09:32 AM |
| WLK | Chao Albert | President & CEO | Feb 21 '20 | Option Exercise | 10.26 | 57,800 | 593,028 | 427,656 | Feb 27 12:07 PM |
| WLK | Chao Albert | President & CEO | Feb 21 '20 | Option Exercise | 10.26 | 68,698 | 704,841 | 421,448 | Feb 24 12:08 PM |
| WLK | Chao Albert | President & CEO | Feb 21 '20 | Sale | 62.42 | 51,592 | 3,220,373 | 369,856 | Feb 24 12:08 PM |
| WLKP | Chao Albert | President & CEO | Nov 19 '18 | Buy | 23.24 | 10,386 | 241,371 | 96,435 | Nov 20 07:16 AM |
| WLKP | Chao Albert | President & CEO | Nov 15 '18 | Buy | 23.20 | 2,492 | 57,819 | 73,597 | Nov 19 09:48 AM |
| WLKP | Chao Albert | President & CEO | Nov 16 '18 | Buy | 23.27 | 12,452 | 289,758 | 86,049 | Nov 19 09:48 AM |
| WLK | Chao Albert | President & CEO | Nov 16 '18 | Option Exercise | 7.12 | 30,640 | 218,157 | 349,163 | Nov 19 09:29 AM |
| WLK | Chao Albert | President & CEO | Nov 16 '18 | Sale | 71.75 | 24,509 | 1,758,608 | 324,654 | Nov 19 09:29 AM |
| WLK | Chao Albert | President & CEO | Nov 14 '18 | Option Exercise | 7.12 | 30,639 | 218,150 | 337,013 | Nov 16 01:06 PM |
| WLK | Chao Albert | President & CEO | Nov 15 '18 | Option Exercise | 7.12 | 30,640 | 218,157 | 343,032 | Nov 16 01:06 PM |
| WLK | Chao Albert | President & CEO | Nov 15 '18 | Sale | 71.20 | 24,509 | 1,744,943 | 318,523 | Nov 16 01:06 PM |
| WLK | Chao Albert | President & CEO | Nov 14 '18 | Sale | 71.43 | 24,621 | 1,758,699 | 312,392 | Nov 16 01:06 PM |
| WLKP | Chao Albert | President & CEO | Nov 13 '18 | Buy | 23.24 | 6,220 | 144,578 | 59,720 | Nov 15 07:53 AM |
| WLKP | Chao Albert | President & CEO | Nov 14 '18 | Buy | 23.37 | 11,385 | 266,056 | 71,105 | Nov 15 07:53 AM |
| WLK | Chao Albert | President & CEO | Nov 13 '18 | Option Exercise | 7.12 | 25,000 | 178,000 | 321,374 | Nov 14 01:14 PM |
| WLK | Chao Albert | President & CEO | Nov 12 '18 | Option Exercise | 7.12 | 38,973 | 277,488 | 321,374 | Nov 14 01:14 PM |
| WLK | Chao Albert | President & CEO | Nov 12 '18 | Sale | 74.52 | 25,000 | 1,863,020 | 296,374 | Nov 14 01:14 PM |
| WLK | Chao Albert | President & CEO | Nov 13 '18 | Sale | 71.72 | 15,000 | 1,075,788 | 306,374 | Nov 14 01:14 PM |
| WLKP | Chao Albert | President & CEO | Mar 06 '18 | Buy | 23.16 | 2,000 | 46,320 | 53,500 | Mar 07 02:07 PM |
| WLKP | Chao Albert | President & CEO | Mar 02 '18 | Buy | 22.86 | 2,000 | 45,720 | 49,500 | Mar 06 10:41 AM |
| WLKP | Chao Albert | President & CEO | Mar 05 '18 | Buy | 22.91 | 2,000 | 45,820 | 51,500 | Mar 06 10:41 AM |
| WLKP | Chao Albert | President & CEO | Mar 01 '18 | Buy | 22.98 | 2,500 | 57,450 | 47,500 | Mar 02 07:58 AM |
| WLK | Chao Albert | President & CEO | Nov 28 '17 | Option Exercise | 9.64 | 25,000 | 241,125 | 299,018 | Nov 30 12:49 PM |
| WLK | Chao Albert | President & CEO | Nov 29 '17 | Option Exercise | 9.64 | 16,844 | 162,460 | 290,862 | Nov 30 12:49 PM |
| WLK | Chao Albert | President & CEO | Nov 29 '17 | Sale | 95.25 | 16,844 | 1,604,340 | 274,018 | Nov 30 12:49 PM |
| WLK | Chao Albert | President & CEO | Nov 28 '17 | Sale | 94.56 | 25,000 | 2,364,081 | 274,018 | Nov 30 12:49 PM |
| WLKP | Chao Albert | President & CEO | Nov 28 '17 | Buy | 21.96 | 7,475 | 164,151 | 19,850 | Nov 29 05:12 PM |
| WLKP | Chao Albert | President & CEO | Nov 29 '17 | Buy | 22.00 | 7,425 | 163,350 | 27,275 | Nov 29 05:12 PM |
| WLK | Chao Albert | President & CEO | Nov 27 '17 | Option Exercise | 9.64 | 25,000 | 241,125 | 299,018 | Nov 28 10:53 AM |
| WLK | Chao Albert | President & CEO | Nov 27 '17 | Sale | 93.96 | 25,000 | 2,349,055 | 274,018 | Nov 28 10:53 AM |
| WLKP | Chao Albert | President & CEO | Nov 24 '17 | Buy | 21.97 | 2,900 | 63,705 | 4,900 | Nov 28 10:49 AM |
| WLKP | Chao Albert | President & CEO | Nov 27 '17 | Buy | 22.18 | 7,475 | 165,796 | 12,375 | Nov 28 10:49 AM |
| WLK | Chao Albert | President & CEO | Nov 22 '17 | Option Exercise | 9.64 | 25,000 | 241,125 | 299,018 | Nov 27 12:40 PM |
| WLK | Chao Albert | President & CEO | Nov 24 '17 | Option Exercise | 9.64 | 20,000 | 192,900 | 294,018 | Nov 27 12:40 PM |
| WLK | Chao Albert | President & CEO | Nov 24 '17 | Sale | 94.58 | 20,000 | 1,891,680 | 274,018 | Nov 27 12:40 PM |
| WLK | Chao Albert | President & CEO | Nov 22 '17 | Sale | 94.90 | 25,000 | 2,372,397 | 274,018 | Nov 27 12:40 PM |
| WLKP | Chao Albert | President & CEO | Nov 22 '17 | Buy | 21.49 | 2,000 | 42,988 | 47,000 | Nov 27 11:06 AM |
| WLK | Chao Albert | President & CEO | Nov 21 '17 | Option Exercise | 9.64 | 25,000 | 241,125 | 299,018 | Nov 22 11:10 AM |
| WLK | Chao Albert | President & CEO | Nov 21 '17 | Sale | 94.33 | 25,000 | 2,358,375 | 274,018 | Nov 22 11:10 AM |
| WLK | Chao Albert | President & CEO | Nov 16 '16 | Sale | 54.45 | 10,000 | 544,451 | 10,000 | Nov 18 04:33 PM |
| WLK | Chao Albert | President & CEO | Nov 17 '16 | Sale | 53.85 | 10,000 | 538,465 | 0 | Nov 18 04:33 PM |
| WLK | Chao Albert | President & CEO | Nov 14 '16 | Sale | 52.84 | 10,000 | 528,439 | 30,000 | Nov 16 04:12 PM |
| WLK | Chao Albert | President & CEO | Nov 15 '16 | Sale | 53.06 | 10,000 | 530,595 | 20,000 | Nov 16 04:12 PM |
| WLK | Chao Albert | President & CEO | Dec 07 '12 | Sale | 73.75 | 3,608 | 266,107 | 146,432 | Dec 11 05:00 PM |
| WLK | Chao Albert | President & CEO | Dec 06 '12 | Sale | 72.55 | 34,262 | 2,485,555 | 150,040 | Dec 10 05:48 PM |
| WLK | Chao Albert | President & CEO | Nov 26 '12 | Option Exercise | 16.64 | 91,040 | 1,515,017 | 230,915 | Nov 28 04:41 PM |
| WLK | Chao Albert | President & CEO | Nov 26 '12 | Sale | 75.19 | 46,613 | 3,504,947 | 184,302 | Nov 28 04:41 PM |
| WLK | Chao Albert | President & CEO | Nov 23 '12 | Option Exercise | 18.76 | 39,000 | 731,800 | 159,875 | Nov 27 04:45 PM |
| WLK | Chao Albert | President & CEO | Nov 23 '12 | Sale | 76.16 | 20,000 | 1,523,135 | 139,875 | Nov 27 04:45 PM |
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