| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | May 09, 2024 | Sale | $158.50 | 3,500 | 554,750 | 17,644 | May 13, 2024, 11:24 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | May 07, 2024 | Option Exercise | $157.50 | 3,133 | 493,448 | 21,144 | May 08, 2024, 01:15 PM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | May 07, 2024 | Option Exercise | $122.65 | 3,133 | 384,262 | 24,277 | May 08, 2024, 01:15 PM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 15, 2024 | Sale | $144.50 | 3,878 | 560,371 | 21,144 | Mar 18, 2024, 10:09 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 13, 2024 | Sale | $144.50 | 122 | 17,629 | 25,022 | Mar 14, 2024, 10:53 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 07, 2024 | Option Exercise | $99.59 | 12,670 | 1,261,843 | 37,814 | Mar 11, 2024, 09:38 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 07, 2024 | Option Exercise | $142.55 | 12,670 | 1,806,109 | 25,144 | Mar 11, 2024, 09:38 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Feb 20, 2024 | Option Exercise | $130.59 | 4,485 | 585,682 | 25,546 | Feb 21, 2024, 10:27 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Nov 15, 2023 | Sale | $130.50 | 4,215 | 550,058 | 16,754 | Nov 17, 2023, 08:28 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 30, 2023 | Option Exercise | $134.47 | 4,857 | 653,136 | 20,969 | Aug 31, 2023, 11:35 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 30, 2023 | Option Exercise | $86.54 | 4,857 | 420,315 | 25,826 | Aug 31, 2023, 11:35 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 29, 2023 | Option Exercise | $133.83 | 8,100 | 1,084,024 | 20,969 | Aug 30, 2023, 10:50 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 29, 2023 | Option Exercise | $65.81 | 8,100 | 533,081 | 29,069 | Aug 30, 2023, 10:50 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 13, 2023 | Option Exercise | $104.37 | 4,752 | 495,957 | 21,209 | Mar 15, 2023, 03:17 PM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Feb 15, 2023 | Option Exercise | $121.87 | 1,417 | 172,687 | 14,443 | Feb 16, 2023, 11:38 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 31, 2022 | Sale | $98.94 | 1,000 | 98,940 | 10,208 | Sep 01, 2022, 12:06 PM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | May 27, 2022 | Option Exercise | $100.61 | 14,427 | 1,451,503 | 26,207 | May 31, 2022, 12:38 PM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | May 27, 2022 | Sale | $129.47 | 14,427 | 1,867,820 | 11,780 | May 31, 2022, 12:38 PM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 14, 2022 | Option Exercise | $118.51 | 2,559 | 303,272 | 12,283 | Mar 15, 2022, 03:38 PM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 10, 2022 | Option Exercise | $74.94 | 22,555 | 1,690,374 | 37,394 | Mar 14, 2022, 08:52 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 10, 2022 | Sale | $117.61 | 22,555 | 2,652,694 | 14,839 | Mar 14, 2022, 08:52 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 09, 2022 | Sale | $115.55 | 2,730 | 315,452 | 14,839 | Mar 10, 2022, 08:56 AM | |
| WLK | WESTLAKE CORP | Buesinger Robert F. | EVP, Vinyl Products | Feb 16, 2022 | Option Exercise | $104.96 | 963 | 101,076 | 11,123 | Feb 17, 2022, 12:09 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | May 10, 2021 | Sale | $105.00 | 5,000 | 525,000 | 8,217 | May 11, 2021, 12:14 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Mar 08, 2021 | Option Exercise | $63.74 | 16,513 | 1,052,608 | 29,812 | Mar 09, 2021, 07:58 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Mar 08, 2021 | Sale | $93.69 | 16,513 | 1,547,105 | 21,160 | Mar 09, 2021, 07:58 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Feb 18, 2021 | Option Exercise | $85.08 | 641 | 54,536 | 13,299 | Feb 18, 2021, 05:30 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Feb 16, 2021 | Option Exercise | $85.75 | 326 | 27,955 | 11,375 | Feb 17, 2021, 02:52 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Feb 16, 2021 | Option Exercise | $85.75 | 326 | 27,955 | 11,375 | Feb 17, 2021, 02:22 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Nov 24, 2020 | Option Exercise | $44.42 | 4,581 | 203,488 | 15,150 | Nov 25, 2020, 11:04 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Nov 24, 2020 | Sale | $77.50 | 4,581 | 355,028 | 10,569 | Nov 25, 2020, 11:04 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Feb 18, 2020 | Option Exercise | $60.52 | 918 | 55,560 | 10,569 | Feb 19, 2020, 03:32 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Dec 03, 2019 | Option Exercise | $67.01 | 2,025 | 135,689 | 8,181 | Dec 03, 2019, 01:59 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Feb 19, 2019 | Option Exercise | $73.49 | 970 | 71,282 | 5,296 | Feb 20, 2019, 01:45 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | May 15, 2018 | Sale | $118.88 | 1,447 | 172,012 | 2,642 | May 16, 2018, 02:16 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Mar 05, 2018 | Option Exercise | $59.49 | 15,315 | 911,037 | 23,438 | Mar 06, 2018, 02:50 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Mar 05, 2018 | Sale | $113.04 | 19,349 | 2,187,203 | 8,123 | Mar 06, 2018, 02:50 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyl Products | Feb 21, 2018 | Option Exercise | $106.98 | 494 | 52,848 | 8,123 | Feb 22, 2018, 09:26 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyls Products | Dec 01, 2017 | Sale | $98.50 | 2,674 | 263,389 | 6,635 | Dec 04, 2017, 09:58 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyls Products | Nov 17, 2017 | Option Exercise | $63.98 | 5,214 | 333,579 | 14,523 | Nov 20, 2017, 09:45 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | EVP, Vinyls Products | Nov 17, 2017 | Sale | $93.82 | 5,214 | 489,199 | 9,309 | Nov 20, 2017, 09:45 AM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Mar 01, 2017 | Sale | $66.25 | 8,193 | 542,786 | 9,309 | Mar 03, 2017, 06:47 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Mar 01, 2017 | Option Exercise | $45.00 | 8,193 | 368,721 | 17,502 | Mar 03, 2017, 06:47 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Feb 15, 2017 | Option Exercise | $64.01 | 520 | 33,285 | 9,309 | Feb 16, 2017, 04:16 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Nov 10, 2016 | Option Exercise | $30.05 | 2,880 | 86,551 | 11,035 | Nov 14, 2016, 04:12 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Nov 10, 2016 | Sale | $54.42 | 2,880 | 156,737 | 8,155 | Nov 14, 2016, 04:12 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Feb 17, 2016 | Option Exercise | $43.52 | 667 | 29,028 | 8,155 | Feb 18, 2016, 04:03 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Feb 18, 2015 | Option Exercise | $66.79 | 964 | 64,383 | 6,708 | Feb 20, 2015, 04:07 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | May 07, 2014 | Option Exercise | $45.70 | 1,872 | 85,546 | 9,544 | May 08, 2014, 04:55 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | May 07, 2014 | Sale | $77.36 | 1,872 | 144,819 | 7,672 | May 08, 2014, 04:55 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Feb 26, 2014 | Option Exercise | $54.53 | 2,361 | 128,746 | 6,197 | Feb 27, 2014, 04:09 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Feb 26, 2014 | Sale | $132.95 | 2,361 | 313,904 | 3,836 | Feb 27, 2014, 04:09 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Feb 19, 2014 | Option Exercise | $129.00 | 342 | 44,119 | 4,177 | Feb 21, 2014, 07:15 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | May 08, 2013 | Option Exercise | $27.24 | 1,478 | 40,253 | 5,656 | May 10, 2013, 04:53 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | May 08, 2013 | Sale | $90.97 | 1,478 | 134,455 | 4,178 | May 10, 2013, 04:53 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Apr 08, 2013 | Option Exercise | $85.92 | 167 | 14,349 | 4,178 | Apr 10, 2013, 04:38 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Mar 11, 2013 | Option Exercise | $54.53 | 2,361 | 128,746 | 6,706 | Mar 13, 2013, 05:33 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Mar 11, 2013 | Sale | $93.79 | 2,361 | 221,434 | 6,106 | Mar 13, 2013, 05:33 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Dec 10, 2012 | Option Exercise | $45.83 | 922 | 42,255 | 5,267 | Dec 12, 2012, 05:03 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Dec 10, 2012 | Sale | $75.68 | 922 | 69,778 | 4,345 | Dec 12, 2012, 05:03 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Aug 06, 2012 | Sale | $67.16 | 1,478 | 99,263 | 5,423 | Aug 08, 2012, 06:55 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Aug 06, 2012 | Option Exercise | $27.24 | 1,478 | 40,253 | 5,823 | Aug 08, 2012, 06:55 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Apr 09, 2012 | Option Exercise | $60.81 | 170 | 10,338 | 4,349 | Apr 11, 2012, 04:06 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Apr 07, 2011 | Option Exercise | $57.44 | 162 | 9,305 | 2,834 | Feb 03, 2012, 04:23 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | May 19, 2011 | Option Exercise | $27.24 | 1,477 | 40,226 | 4,081 | Aug 05, 2011, 04:05 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | May 19, 2011 | Sale | $55.40 | 1,477 | 81,824 | 3,981 | Aug 05, 2011, 04:05 PM | |
| WLK | WESTLAKE CHEMICAL CORP | Buesinger Robert F. | Sr. Vice President, Vinyls | Apr 07, 2011 | Option Exercise | $57.44 | 162 | 9,305 | 2,604 | Apr 08, 2011, 04:24 PM |
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