See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
No Insider Transactions found for WESTLAKE CORP
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Aug 11, 2026 Chao Albert |
Chao Albert
Executive Chairman
|
Sell |
31,384 | $80.42 | 31,384 $80.42 $2,523,901 |
Aug 11, 2026 Chao Albert |
Chao Albert
Executive Chairman
|
Sell |
7,489 | $79.70 | 7,489 $79.70 $596,873 |
Mar 27, 2026 Buesinger Robert F. |
Buesinger Robert F.
EVP, PEM Segment Head
|
Sell |
4,000 | $115.25 | 4,000 $115.25 $461,000 |
Mar 27, 2026 Bender Mark Steven |
Bender Mark Steven
EVP & CFO
|
Sell |
16,413 | $112.54 | 16,413 $112.54 $1,847,037 |
Feb 27, 2026 Bender Mark Steven |
Bender Mark Steven
EVP & CFO
|
Sell |
16,988 | $100.91 | 16,988 $100.91 $1,714,259 |
Feb 27, 2026 Bender Mark Steven |
Bender Mark Steven
EVP & CFO
|
Sell |
421 | $101.52 | 421 $101.52 $42,738 |
Dec 22, 2025 Chao Albert |
Chao Albert
Executive Chairman
|
Sell |
9,711 | $72.82 | 9,711 $72.82 $707,136 |
Dec 22, 2025 Chao Albert |
Chao Albert
Executive Chairman
|
Sell |
30,604 | $73.80 | 30,604 $73.80 $2,258,453 |
Dec 22, 2025 Chao Albert |
Chao Albert
Executive Chairman
|
Sell |
521 | $74.44 | 521 $74.44 $38,785 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
May 27, 2025 Buesinger Robert F. |
Buesinger Robert F.
EVP, PEM Segment Head
|
Sell |
83 | $72.70 | 83 $72.70 $6,034 |
Apr 22, 2025 Buesinger Robert F. |
Buesinger Robert F.
EVP, PEM Segment Head
|
Buy |
83 | $93.39 | 83 $93.39 $7,751 |
Nov 29, 2024 Chao David Tsung-Hung |
Chao David Tsung-Hung
|
Sell |
1,750 | $129.08 | 1,750 $129.08 $225,888 |
Nov 22, 2024 Chao David Tsung-Hung |
Chao David Tsung-Hung
|
Sell |
1,750 | $130.00 | 1,750 $130.00 $227,500 |
May 09, 2024 Buesinger Robert F. |
Buesinger Robert F.
EVP, HIP, IT & Digital
|
Sell |
3,500 | $158.50 | 3,500 $158.50 $554,750 |
May 03, 2024 Bender Mark Steven |
Bender Mark Steven
EVP & CFO
|
Sell |
4,950 | $152.19 | 4,950 $152.19 $753,341 |
Mar 15, 2024 Buesinger Robert F. |
Buesinger Robert F.
EVP, HIP, IT & Digital
|
Sell |
3,878 | $144.50 | 3,878 $144.50 $560,371 |
Mar 13, 2024 Buesinger Robert F. |
Buesinger Robert F.
EVP, HIP, IT & Digital
|
Sell |
122 | $144.50 | 122 $144.50 $17,629 |
Mar 06, 2024 Bender Mark Steven |
Bender Mark Steven
EVP & CFO
|
Sell |
4,804 | $141.02 | 4,804 $141.02 $677,455 |
Feb 26, 2024 Bender Mark Steven |
Bender Mark Steven
EVP & CFO
|
Sell |
4,854 | $137.57 | 4,854 $137.57 $667,765 |
Nov 15, 2023 Buesinger Robert F. |
Buesinger Robert F.
EVP, HIP, IT & Digital
|
Sell |
4,215 | $130.50 | 4,215 $130.50 $550,058 |
Aug 23, 2023 Chao David Tsung-Hung |
Chao David Tsung-Hung
|
Sell |
1,000 | $131.00 | 1,000 $131.00 $131,000 |
Aug 31, 2022 Buesinger Robert F. |
Buesinger Robert F.
EVP, HIP, IT & Digital
|
Sell |
1,000 | $98.94 | 1,000 $98.94 $98,940 |
Aug 26, 2022 Zoeller Johnathan Stevan |
Zoeller Johnathan Stevan
VP & Chief Accounting Officer
|
Sell |
542 | $107.08 | 542 $107.08 $58,037 |
May 27, 2022 Buesinger Robert F. |
Buesinger Robert F.
EVP, HIP, IT & Digital
|
Sell |
14,427 | $129.47 | 14,427 $129.47 $1,867,820 |
May 19, 2022 Chao Albert |
Chao Albert
President & CEO
|
Sell |
5,045 | $129.38 | 5,045 $129.38 $652,712 |
May 19, 2022 Chao Albert |
Chao Albert
President & CEO
|
Sell |
20,815 | $130.20 | 20,815 $130.20 $2,710,019 |
May 19, 2022 Chao Albert |
Chao Albert
President & CEO
|
Sell |
12,016 | $131.11 | 12,016 $131.11 $1,575,450 |
May 17, 2022 Kearns Roger L. |
Kearns Roger L.
COO and EVP - PEM
|
Sell |
8,388 | $136.24 | 8,388 $136.24 $1,142,739 |
May 05, 2022 Ederington L. Benjamin |
Ederington L. Benjamin
EVP, GC, CAO and Secretary
|
Sell |
3,143 | $139.26 | 3,143 $139.26 $437,694 |
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