WESTLAKE CORP - WLK
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | EVP, PEM Segment Head | S | D | 4,000.0 | 115.25 | 461,000.0 | 34,482.0 | View | |
| Mar 30, 2026 | EVP & CFO | S | D | 16,413.0 | 112.535 | 1,847,036.96 | 28,015.0 | View | |
| Mar 06, 2026 | EVP & CFO | F | D | 1,171.0 | 104.96 | 122,908.16 | 25,608.0 | View | |
| Mar 02, 2026 | EVP & CFO | M | D | 6,494.0 | 0.0 | 0.0 | 0.0 | View | |
| Mar 02, 2026 | EVP & CFO | M | D | 6,199.0 | 0.0 | 0.0 | 0.0 | View | |
| Mar 02, 2026 | EVP & CFO | S | D | 421.0 | 101.515 | 42,737.82 | 44,433.0 | View | |
| Mar 02, 2026 | EVP & CFO | S | D | 16,988.0 | 100.91 | 1,714,259.08 | 44,854.0 | View | |
| Mar 02, 2026 | EVP & CFO | D | D | 12,693.0 | 98.2 | 1,246,452.6 | 61,842.0 | View | |
| Mar 02, 2026 | EVP & CFO | M | A | 6,494.0 | 86.5379 | 561,977.12 | 74,535.0 | View | |
| Mar 02, 2026 | EVP & CFO | M | A | 6,199.0 | 65.8125 | 407,971.69 | 68,041.0 | View | |
| Feb 24, 2026 | — | A | A | 1,852.0 | 0.0 | 0.0 | 1,852.0 | View | |
| Feb 23, 2026 | Senior Chairman | A | A | 7,472.0 | 0.0 | 0.0 | 7,472.0 | View | |
| Feb 23, 2026 | Senior Chairman | A | A | 27,382.0 | 0.0 | 0.0 | 27,382.0 | View | |
| Feb 23, 2026 | Senior Chairman | F | D | 1,569.0 | 94.101 | 147,644.47 | 49,774.0 | View | |
| Feb 23, 2026 | Senior Chairman | A | A | 3,884.0 | 0.0 | 0.0 | 51,343.0 | View | |
| Feb 23, 2026 | Executive Chairman | A | A | 14,945.0 | 0.0 | 0.0 | 14,945.0 | View | |
| Feb 23, 2026 | Executive Chairman | A | A | 54,763.0 | 0.0 | 0.0 | 54,763.0 | View | |
| Feb 23, 2026 | Executive Chairman | F | D | 2,501.0 | 94.101 | 235,346.6 | 642,880.0 | View | |
| Feb 23, 2026 | Executive Chairman | A | A | 6,193.0 | 0.0 | 0.0 | 645,381.0 | View | |
| Feb 23, 2026 | — | A | A | 2,434.0 | 0.0 | 0.0 | 2,434.0 | View | |
| Feb 23, 2026 | — | A | A | 1,104.0 | 0.0 | 0.0 | 1,104.0 | View | |
| Feb 23, 2026 | — | A | A | 4,044.0 | 0.0 | 0.0 | 4,044.0 | View | |
| Feb 23, 2026 | — | F | D | 91.0 | 94.1 | 8,563.1 | 7,888.0 | View | |
| Feb 23, 2026 | — | A | A | 213.0 | 0.0 | 0.0 | 7,979.0 | View | |
| Feb 23, 2026 | EVP & CFO | A | A | 7,747.0 | 0.0 | 0.0 | 7,747.0 | View | |
| Feb 23, 2026 | EVP & CFO | A | A | 28,389.0 | 0.0 | 0.0 | 28,389.0 | View | |
| Feb 23, 2026 | EVP & CFO | F | D | 445.0 | 94.099 | 41,874.06 | 61,842.0 | View | |
| Feb 23, 2026 | EVP & CFO | A | A | 1,777.0 | 0.0 | 0.0 | 62,287.0 | View | |
| Feb 23, 2026 | EVP, PEM Segment Head | A | A | 5,281.0 | 0.0 | 0.0 | 5,281.0 | View | |
| Feb 23, 2026 | EVP, PEM Segment Head | A | A | 19,351.0 | 0.0 | 0.0 | 19,351.0 | View | |
| Feb 23, 2026 | EVP, PEM Segment Head | F | D | 326.0 | 94.101 | 30,676.93 | 38,482.0 | View | |
| Feb 23, 2026 | EVP, PEM Segment Head | A | A | 1,301.0 | 0.0 | 0.0 | 38,808.0 | View | |
| Feb 23, 2026 | EVP, Legal & External Affairs | A | A | 7,002.0 | 0.0 | 0.0 | 7,002.0 | View | |
| Feb 23, 2026 | EVP, Legal & External Affairs | A | A | 25,656.0 | 0.0 | 0.0 | 25,656.0 | View | |
| Feb 23, 2026 | EVP, Legal & External Affairs | F | D | 357.0 | 94.102 | 33,594.41 | 80,158.0 | View | |
| Feb 23, 2026 | EVP, Legal & External Affairs | A | A | 1,425.0 | 0.0 | 0.0 | 80,515.0 | View | |
| Feb 23, 2026 | President and CEO | A | A | 29,784.0 | 0.0 | 0.0 | 29,784.0 | View | |
| Feb 23, 2026 | President and CEO | A | A | 109,139.0 | 0.0 | 0.0 | 109,139.0 | View | |
| Feb 23, 2026 | VP and CAO | A | A | 2,540.0 | 0.0 | 0.0 | 2,540.0 | View | |
| Feb 23, 2026 | VP and CAO | A | A | 1,199.0 | 0.0 | 0.0 | 1,199.0 | View | |
| Feb 23, 2026 | VP and CAO | A | A | 4,394.0 | 0.0 | 0.0 | 4,394.0 | View | |
| Feb 23, 2026 | VP and CAO | F | D | 81.0 | 94.1 | 7,622.1 | 5,124.0 | View | |
| Feb 23, 2026 | VP and CAO | A | A | 264.0 | 0.0 | 0.0 | 5,205.0 | View | |
| Feb 23, 2026 | SVP, HIP Segment Head | A | A | 3,983.0 | 0.0 | 0.0 | 3,983.0 | View | |
| Feb 23, 2026 | SVP, HIP Segment Head | A | A | 14,595.0 | 0.0 | 0.0 | 14,595.0 | View | |
| Feb 23, 2026 | SVP, HIP Segment Head | F | D | 91.0 | 94.1 | 8,563.1 | 13,773.0 | View | |
| Feb 23, 2026 | SVP, HIP Segment Head | A | A | 365.0 | 0.0 | 0.0 | 13,864.0 | View | |
| Feb 19, 2026 | EVP & CFO | M | D | 4,751.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | EVP & CFO | F | D | 1,209.0 | 98.95 | 119,630.55 | 60,510.0 | View | |
| Feb 19, 2026 | EVP & CFO | M | A | 4,751.0 | 0.0 | 0.0 | 61,719.0 | View | |
| Feb 19, 2026 | EVP, PEM Segment Head | M | D | 3,478.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | EVP, PEM Segment Head | F | D | 903.0 | 98.95 | 89,351.85 | 37,507.0 | View | |
| Feb 19, 2026 | EVP, PEM Segment Head | M | A | 3,478.0 | 0.0 | 0.0 | 38,410.0 | View | |
| Feb 19, 2026 | Executive Chairman | M | D | 16,555.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | Executive Chairman | F | D | 5,089.0 | 98.95 | 503,556.55 | 639,188.0 | View | |
| Feb 19, 2026 | Executive Chairman | M | A | 16,555.0 | 0.0 | 0.0 | 644,277.0 | View | |
| Feb 19, 2026 | — | M | D | 570.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | — | F | D | 242.0 | 98.95 | 23,945.9 | 7,766.0 | View | |
| Feb 19, 2026 | — | M | A | 570.0 | 0.0 | 0.0 | 7,608.0 | View | |
| Feb 19, 2026 | Senior Chairman | M | D | 10,382.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | Senior Chairman | F | D | 2,664.0 | 98.95 | 263,602.8 | 47,459.0 | View | |
| Feb 19, 2026 | Senior Chairman | M | A | 10,382.0 | 0.0 | 0.0 | 50,123.0 | View | |
| Feb 19, 2026 | EVP, Legal & External Affairs | M | D | 3,809.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | EVP, Legal & External Affairs | F | D | 978.0 | 98.95 | 96,773.1 | 79,090.0 | View | |
| Feb 19, 2026 | EVP, Legal & External Affairs | M | A | 3,809.0 | 0.0 | 0.0 | 80,068.0 | View | |
| Feb 19, 2026 | VP and CAO | M | D | 706.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | VP and CAO | F | D | 213.0 | 98.95 | 21,076.35 | 4,941.0 | View | |
| Feb 19, 2026 | VP and CAO | M | A | 706.0 | 0.0 | 0.0 | 5,154.0 | View | |
| Feb 19, 2026 | SVP, HIP Segment Head | M | D | 977.0 | 0.0 | 0.0 | 0.0 | View | |
| Feb 19, 2026 | SVP, HIP Segment Head | F | D | 295.0 | 98.95 | 29,190.25 | 13,499.0 | View | |
| Feb 19, 2026 | SVP, HIP Segment Head | M | A | 977.0 | 0.0 | 0.0 | 13,794.0 | View | |
| Dec 23, 2025 | Executive Chairman | M | D | 81,673.0 | 0.0 | 0.0 | 0.0 | View | |
| Dec 23, 2025 | Executive Chairman | S | D | 521.0 | 74.443 | 38,784.8 | 627,722.0 | View | |
| Dec 23, 2025 | Executive Chairman | S | D | 30,604.0 | 73.796 | 2,258,452.78 | 628,243.0 | View | |
| Dec 23, 2025 | Executive Chairman | S | D | 9,711.0 | 72.818 | 707,135.6 | 658,847.0 | View | |
| Dec 23, 2025 | Executive Chairman | M | A | 81,673.0 | 44.42 | 3,627,914.66 | 668,558.0 | View | |
| Dec 10, 2025 | — | M | D | 1,339.0 | 0.0 | 0.0 | 0.0 | View | |
| Dec 10, 2025 | — | M | A | 1,339.0 | — | — | 1,339.0 | View |