Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Westlake Corp (WLK) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Westlake Corp. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1262823.
Total stock buying since 2014: $52,711,113.
Total stock sales since 2014: $121,493,848.
Total stock option exercises since 2014: $78,597,995.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 83 | $7,751 | 83 | $6,034 | 80,016 | $0 |
| 2024 | 0 | $0 | 25,608 | $3,684,697 | 152,030 | $6,215,216 |
| 2023 | 0 | $0 | 5,215 | $681,057 | 528,618 | $32,940,824 |
| 2022 | 0 | $0 | 149,447 | $18,985,592 | 204,063 | $9,138,429 |
| 2021 | 3,000 | $258,629 | 168,449 | $15,512,386 | 262,566 | $8,291,654 |
| 2020 | 1,463,336 | $52,444,733 | 143,841 | $10,058,387 | 351,814 | $4,468,423 |
| 2019 | 0 | $0 | 5,300 | $375,722 | 127,130 | $86,985 |
| 2018 | 0 | $0 | 291,095 | $28,655,401 | 319,044 | $6,339,672 |
| 2017 | 0 | $0 | 390,758 | $34,512,378 | 386,258 | $8,813,507 |
| 2016 | 0 | $0 | 131,868 | $7,027,591 | 105,838 | $1,615,105 |
| 2015 | 0 | $0 | 28,975 | $1,994,603 | 28,370 | $688,180 |
| 2014 | 0 | $0 | 0 | $0 | 3,516 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2018-02-20 | Buesinger Robert F. (EVP, Vinyl Products) | Option Ex | 1,982 | .00 | 0 |
| 2018-02-20 | Kenner Andrew (SVP - Chemical Manufacturing) | Option Ex | 1,802 | .00 | 0 |
| 2018-02-20 | Bender Mark Steven (EVP and CFO) | Option Ex | 3,619 | .00 | 0 |
| 2018-02-20 | Chao James (Chairman) | Option Ex | 10,868 | .00 | 0 |
| 2018-02-20 | Chao Albert (President & CEO) | Option Ex | 13,585 | .00 | 0 |
| 2018-02-20 | Mangieri George J (SVP & Chief Accounting Officer) | Option Ex | 913 | .00 | 0 |
| 2017-12-04 | Bender Mark Steven (EVP and CFO) | Sale | 6,500 | 97.83 | 635,901 |
| 2017-12-04 | Bender Mark Steven (EVP and CFO) | Option Ex | 6,500 | 22.91 | 148,947 |
| 2017-12-01 | Buesinger Robert F. (EVP, Vinyls Products) | Sale | 2,674 | 98.50 | 263,389 |
| 2017-11-29 | Chao Albert (President & CEO) | Sale | 16,844 | 95.25 | 1,604,340 |
| 2017-11-29 | Chao Albert (President & CEO) | Option Ex | 16,844 | 9.64 | 162,460 |
| 2017-11-28 | Chao Albert (President & CEO) | Sale | 25,000 | 94.70 | 2,367,575 |
| 2017-11-28 | Chao Albert (President & CEO) | Option Ex | 25,000 | 9.64 | 241,125 |
| 2017-11-27 | Chao Albert (President & CEO) | Sale | 25,000 | 94.08 | 2,352,125 |
| 2017-11-27 | Chao Albert (President & CEO) | Option Ex | 25,000 | 9.64 | 241,125 |
| 2017-11-24 | Chao James (Chairman) | Sale | 66,026 | 94.61 | 6,246,785 |
| 2017-11-24 | Chao James (Chairman) | Option Ex | 66,026 | 59.26 | 3,912,370 |
| 2017-11-24 | Chao Albert (President & CEO) | Sale | 20,000 | 94.58 | 1,891,680 |
| 2017-11-24 | Chao Albert (President & CEO) | Option Ex | 20,000 | 9.64 | 192,900 |
| 2017-11-22 | Chao James (Chairman) | Sale | 10,109 | 95.20 | 962,407 |
| 2017-11-22 | Chao James (Chairman) | Option Ex | 10,109 | 45.70 | 461,961 |
| 2017-11-22 | Chao Albert (President & CEO) | Sale | 25,000 | 95.25 | 2,381,200 |
| 2017-11-22 | Chao Albert (President & CEO) | Option Ex | 25,000 | 9.64 | 241,125 |
| 2017-11-21 | Bender Mark Steven (EVP and CFO) | Sale | 20,382 | 94.27 | 1,921,309 |
| 2017-11-21 | Chao Albert (President & CEO) | Sale | 25,000 | 94.33 | 2,358,375 |
| 2017-11-21 | Chao Albert (President & CEO) | Option Ex | 25,000 | 9.64 | 241,125 |
| 2017-11-17 | Buesinger Robert F. (EVP, Vinyls Products) | Sale | 5,214 | 93.82 | 489,198 |
| 2017-11-17 | Buesinger Robert F. (EVP, Vinyls Products) | Option Ex | 5,214 | 63.98 | 333,581 |
| 2017-11-14 | Blakely Robert T | Sale | 4,367 | 92.33 | 403,192 |
| 2017-11-13 | Teel Lawrence E. (EVP, Olefins) | Sale | 12,712 | 93.99 | 1,194,775 |
| 2017-11-13 | Teel Lawrence E. (EVP, Olefins) | Option Ex | 11,912 | 55.55 | 661,663 |
| 2017-11-13 | Bender Mark Steven (EVP and CFO) | Sale | 29,804 | 94.30 | 2,810,606 |
| 2017-11-13 | Bender Mark Steven (EVP and CFO) | Option Ex | 29,804 | 10.26 | 305,878 |
| 2017-11-13 | Mangieri George J (SVP & Chief Accounting Officer) | Sale | 13,381 | 94.54 | 1,264,999 |
| 2017-11-13 | Mangieri George J (SVP & Chief Accounting Officer) | Option Ex | 10,466 | 55.55 | 581,344 |
| 2017-09-30 | Ederington L. Benjamin (SVP, GC, CAO and Secretary) | Option Ex | 6,700 | .00 | 0 |
| 2017-08-22 | Graff Michael J | Option Ex | 357 | .00 | 0 |
| 2017-08-22 | Northcutt R Bruce | Option Ex | 357 | .00 | 0 |
| 2017-08-22 | Jenkins Dorothy C | Option Ex | 357 | .00 | 0 |
| 2017-08-22 | Blakely Robert T | Option Ex | 357 | .00 | 0 |
| 2017-08-22 | Riley H John Jr | Option Ex | 357 | .00 | 0 |
| 2017-08-22 | Lukens Max L | Option Ex | 357 | .00 | 0 |
| 2017-08-21 | Graff Michael J | Option Ex | 603 | .00 | 0 |
| 2017-08-21 | Northcutt R Bruce | Option Ex | 603 | .00 | 0 |
| 2017-08-21 | Jenkins Dorothy C | Option Ex | 603 | .00 | 0 |
| 2017-08-21 | Blakely Robert T | Option Ex | 603 | .00 | 0 |
| 2017-08-21 | Riley H John Jr | Option Ex | 603 | .00 | 0 |
| 2017-08-21 | Lukens Max L | Option Ex | 603 | .00 | 0 |
| 2017-08-17 | Graff Michael J | Option Ex | 1,003 | .00 | 0 |
| 2017-08-17 | Northcutt R Bruce | Option Ex | 1,003 | .00 | 0 |
| 2017-08-17 | Jenkins Dorothy C | Option Ex | 3,009 | .00 | 0 |
| 2017-08-17 | Blakely Robert T | Option Ex | 1,003 | .00 | 0 |
| 2017-08-17 | Riley H John Jr | Option Ex | 1,003 | .00 | 0 |
| 2017-08-17 | Lukens Max L | Option Ex | 1,003 | .00 | 0 |
| 2017-08-15 | Bender Mark Steven (Executive VP & CFO) | Sale | 13,794 | 70.22 | 968,614 |
| 2017-08-14 | Jenkins Dorothy C | Option Ex | 3,840 | 13.56 | 52,081 |
| 2017-05-17 | Mangieri George J (VP & Chief Accounting Officer) | Sale | 6,578 | 62.21 | 409,197 |
| 2017-03-10 | Bender Mark Steven (Sr VP, CFO and Treasurer) | Sale | 12,000 | 64.31 | 771,780 |
| 2017-03-01 | Buesinger Robert F. (Sr. Vice President, Vinyls) | Sale | 8,193 | 66.25 | 542,786 |
| 2017-03-01 | Buesinger Robert F. (Sr. Vice President, Vinyls) | Option Ex | 8,193 | 45.06 | 369,168 |
| 2017-02-23 | Chao Albert (President & CEO) | Sale | 42,180 | 63.35 | 2,672,145 |
| 2017-02-23 | Chao Albert (President & CEO) | Option Ex | 42,180 | 15.80 | 666,654 |
| 2017-02-14 | Mattina Michael J. (Sr. VP, Polyethylene) | Option Ex | 660 | .00 | 0 |
| 2017-02-14 | Ederington L. Benjamin (VP, General Counsel, Corp Secy) | Option Ex | 342 | .00 | 0 |
| 2017-02-14 | Teel Lawrence E. (SVP, Olefins) | Option Ex | 1,094 | .00 | 0 |
| 2017-02-14 | Buesinger Robert F. (Sr. Vice President, Vinyls) | Option Ex | 1,674 | .00 | 0 |
| 2017-02-14 | Kenner Andrew (VP - Manufacturing) | Option Ex | 1,674 | .00 | 0 |
| 2017-02-14 | Bender Mark Steven (Sr VP, CFO and Treasurer) | Option Ex | 3,152 | .00 | 0 |
| 2017-02-14 | Chao James (Chairman) | Option Ex | 10,274 | .00 | 0 |
| 2017-02-14 | Chao Albert (President & CEO) | Option Ex | 12,838 | .00 | 0 |
| 2017-02-14 | Mangieri George J (VP & Chief Accounting Officer) | Option Ex | 972 | .00 | 0 |
| 2016-11-17 | Chao James (Chairman) | Sale | 10,000 | 54.20 | 541,970 |
| 2016-11-17 | Chao Albert (President & CEO) | Sale | 10,000 | 54.20 | 541,970 |
| 2016-11-16 | Chao James (Chairman) | Sale | 10,000 | 54.45 | 544,450 |
| 2016-11-16 | Chao Albert (President & CEO) | Sale | 10,000 | 54.45 | 544,450 |
| 2016-11-15 | Mattina Michael J. (Sr. VP, Polyethylene) | Sale | 18,274 | 53.78 | 982,775 |
| 2016-11-15 | Mattina Michael J. (Sr. VP, Polyethylene) | Option Ex | 18,274 | 30.52 | 557,685 |
| 2016-11-15 | Chao James (Chairman) | Sale | 10,000 | 53.06 | 530,600 |
| 2016-11-15 | Chao Albert (President & CEO) | Sale | 10,000 | 53.06 | 530,600 |
| 2016-11-14 | Chao James (Chairman) | Sale | 10,000 | 52.84 | 528,440 |
| 2016-11-14 | Chao Albert (President & CEO) | Sale | 10,000 | 52.84 | 528,440 |
| 2016-11-10 | Buesinger Robert F. (Sr. Vice President, Vinyls) | Sale | 2,880 | 54.42 | 156,738 |
| 2016-11-10 | Buesinger Robert F. (Sr. Vice President, Vinyls) | Option Ex | 2,880 | 30.05 | 86,552 |
| 2016-09-30 | Ederington L. Benjamin (VP, General Counsel, Corp Secy) | Option Ex | 4,786 | .00 | 0 |
| 2016-08-23 | Graff Michael J | Option Ex | 588 | .00 | 0 |
| 2016-08-23 | Bender Mark Steven (Sr VP, CFO and Treasurer) | Option Ex | 30,714 | 15.80 | 485,434 |
| 2016-08-23 | Northcutt R Bruce | Option Ex | 588 | .00 | 0 |
| 2016-08-23 | Jenkins Dorothy C | Option Ex | 588 | .00 | 0 |
| 2016-08-23 | Mangieri George J (VP & Chief Accounting Officer) | Sale | 30,714 | 52.00 | 1,597,158 |
| 2016-08-23 | Mangieri George J (VP & Chief Accounting Officer) | Option Ex | 30,714 | 15.80 | 485,434 |
| 2016-08-23 | Blakely Robert T | Option Ex | 588 | .00 | 0 |
| 2016-08-23 | Riley H John Jr | Option Ex | 588 | .00 | 0 |
| 2016-08-23 | Lukens Max L | Option Ex | 588 | .00 | 0 |
| 2016-08-22 | Graff Michael J | Option Ex | 960 | .00 | 0 |
| 2016-08-22 | Northcutt R Bruce | Option Ex | 960 | .00 | 0 |
| 2016-08-22 | Jenkins Dorothy C | Option Ex | 960 | .00 | 0 |
| 2016-08-22 | Blakely Robert T | Option Ex | 960 | .00 | 0 |
| 2016-08-22 | Riley H John Jr | Option Ex | 960 | .00 | 0 |
| 2016-08-22 | Lukens Max L | Option Ex | 960 | .00 | 0 |
| 2016-02-15 | Mattina Michael J. (Sr. VP, Polyethylene) | Option Ex | 892 | .00 | 0 |
| 2016-02-15 | Teel Lawrence E. (SVP, Olefins) | Option Ex | 774 | .00 | 0 |
| 2016-02-15 | Buesinger Robert F. (Sr. Vice President, Vinyls) | Option Ex | 2,114 | .00 | 0 |
| 2016-02-15 | Bender Mark Steven (Sr VP, CFO and Treasurer) | Option Ex | 4,040 | .00 | 0 |
| 2016-02-15 | Mangieri George J (VP & Chief Accounting Officer) | Option Ex | 1,362 | .00 | 0 |
| 2015-11-10 | Mangieri George J (VP & Chief Accounting Officer) | Sale | 2,785 | 60.20 | 167,659 |
| 2015-11-10 | Mangieri George J (VP & Chief Accounting Officer) | Option Ex | 1,974 | 30.05 | 59,324 |
| 2015-09-30 | Ederington L. Benjamin (VP, General Counsel, Corp Secy) | Option Ex | 1,914 | .00 | 0 |
| 2015-08-23 | Graff Michael J | Option Ex | 586 | .00 | 0 |
| 2015-08-23 | Northcutt R Bruce | Option Ex | 586 | .00 | 0 |
| 2015-08-23 | Jenkins Dorothy C | Option Ex | 586 | .00 | 0 |
| 2015-08-23 | Blakely Robert T | Option Ex | 586 | .00 | 0 |
| 2015-08-23 | Riley H John Jr | Option Ex | 586 | .00 | 0 |
| 2015-08-23 | Lukens Max L | Option Ex | 586 | .00 | 0 |
| 2015-08-22 | Graff Michael J | Option Ex | 357 | .00 | 0 |
| 2015-08-22 | Northcutt R Bruce | Option Ex | 357 | .00 | 0 |
| 2015-08-22 | Jenkins Dorothy C | Option Ex | 357 | .00 | 0 |
| 2015-08-22 | Blakely Robert T | Option Ex | 357 | .00 | 0 |
| 2015-08-22 | Riley H John Jr | Option Ex | 357 | .00 | 0 |
| 2015-08-22 | Lukens Max L | Option Ex | 357 | .00 | 0 |
| 2015-08-11 | Blakely Robert T | Sale | 5,143 | 63.00 | 324,009 |
| 2015-08-11 | Blakely Robert T | Option Ex | 1,776 | 12.26 | 21,764 |
| 2015-05-26 | Taylor Jeffrey L (Sr VP, Polyethylene) | Sale | 8,143 | 70.54 | 574,423 |
| 2015-05-26 | Taylor Jeffrey L (Sr VP, Polyethylene) | Option Ex | 6,846 | 46.58 | 318,859 |
| 2015-05-11 | Teel Lawrence E. (SVP, Olefins) | Sale | 2,125 | 70.24 | 149,266 |
| 2015-05-11 | Teel Lawrence E. (SVP, Olefins) | Option Ex | 1,584 | 37.88 | 59,994 |
| 2015-05-06 | Kenner Andrew (VP - Manufacturing) | Sale | 10,779 | 72.29 | 779,246 |
| 2015-05-06 | Kenner Andrew (VP - Manufacturing) | Option Ex | 8,618 | 26.48 | 228,239 |
| 2014-08-23 | Graff Michael J | Option Ex | 586 | .00 | 0 |
| 2014-08-23 | Northcutt R Bruce | Option Ex | 586 | .00 | 0 |
| 2014-08-23 | Jenkins Dorothy C | Option Ex | 586 | .00 | 0 |
| 2014-08-23 | Blakely Robert T | Option Ex | 586 | .00 | 0 |
| 2014-08-23 | Riley H John Jr | Option Ex | 586 | .00 | 0 |
| 2014-08-23 | Lukens Max L | Option Ex | 586 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises of WLK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Westlake Corp (symbol WLK, CIK number 1262823) see the Securities and Exchange Commission (SEC) website.