Insider Trades74 trades
| Date↓ | Side | Ticker↕ | Insider↕ | Role↕ | Shares↕ | Price↕ | Mkt Cap↕ | 52W High↕ | 52W Low↕ | Value↕ | % Chg↕ | Rule↕ | AI View↕ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 | Sell | WLK | Mark Steven Bender | EVP & CFO | 5,284 | $97.34 | $9.9B | -37.51% | +37.81% | $514.3K | -12.83% | — | — |
| Mar 27, 2026 | Sell | WLK | Robert F. Buesinger | EVP, PEM Segment Head | 4,000 | $115.25 | $9.9B | -37.51% | +37.81% | $461.0K | -10.39% | — | — |
| Mar 27, 2026 | Sell | WLK | Mark Steven Bender | EVP & CFO | 16,413 | $112.53 | $9.9B | -37.51% | +37.81% | $1.8M | -36.94% | — | — |
| Feb 27, 2026 | Sell | WLK | Mark Steven Bender | EVP & CFO | 30,102 | $90.59 | $9.9B | -37.51% | +37.81% | $2.7M | -1.99% | — | — |
| Feb 20, 2026 | Sell | WLK | Jeffrey Adam Holy | VP and CAO | 81 | $94.10 | $9.9B | -37.51% | +37.81% | $7.6K | -0.61% | — | — |
| Feb 20, 2026 | Sell | WLK | Scott Thomas Szwejbka | SVP, HIP Segment Head | 91 | $94.10 | $9.9B | -37.51% | +37.81% | $8.6K | -0.28% | — | — |
| Feb 20, 2026 | Sell | WLK | Robert F. Buesinger | EVP, PEM Segment Head | 326 | $94.10 | $9.9B | -37.51% | +37.81% | $30.7K | -0.51% | — | — |
| Feb 20, 2026 | Sell | WLK | L. Benjamin Ederington | EVP, Legal & External Affairs | 357 | $94.10 | $9.9B | -37.51% | +37.81% | $33.6K | -0.32% | — | — |
| Feb 20, 2026 | Sell | WLK | Mark Steven Bender | EVP & CFO | 445 | $94.10 | $9.9B | -37.51% | +37.81% | $41.9K | -0.45% | — | — |
| Feb 20, 2026 | Sell | WLK | James Chao | Senior Chairman | 1,569 | $94.10 | $9.9B | -37.51% | +37.81% | $147.6K | -1.82% | — | — |
| Feb 20, 2026 | Sell | WLK | Albert Chao | Executive Chairman | 2,501 | $94.10 | $9.9B | -37.51% | +37.81% | $235.3K | -0.35% | — | — |
| Feb 18, 2026 | Sell | WLK | Jeffrey Adam Holy | VP and CAO | 213 | $98.95 | $9.9B | -37.51% | +37.81% | $21.1K | -4.13% | — | — |
| Feb 18, 2026 | Sell | WLK | Scott Thomas Szwejbka | SVP, HIP Segment Head | 295 | $98.95 | $9.9B | -37.51% | +37.81% | $29.2K | -2.14% | — | — |
| Feb 18, 2026 | Sell | WLK | Robert F. Buesinger | EVP, PEM Segment Head | 903 | $98.95 | $9.9B | -37.51% | +37.81% | $89.4K | -2.35% | — | — |
| Feb 18, 2026 | Sell | WLK | L. Benjamin Ederington | EVP, Legal & External Affairs | 978 | $98.95 | $9.9B | -37.51% | +37.81% | $96.8K | -1.22% | — | — |
| Feb 18, 2026 | Sell | WLK | Mark Steven Bender | EVP & CFO | 1,209 | $98.95 | $9.9B | -37.51% | +37.81% | $119.6K | -1.96% | — | — |
| Feb 18, 2026 | Sell | WLK | James Chao | Senior Chairman | 2,664 | $98.95 | $9.9B | -37.51% | +37.81% | $263.6K | -5.31% | — | — |
| Feb 18, 2026 | Sell | WLK | Albert Chao | Executive Chairman | 5,089 | $98.95 | $9.9B | -37.51% | +37.81% | $503.6K | -0.79% | — | — |
| Dec 22, 2025 | Buy | WLK | Albert Chao | Executive Chairman | 122,509 | $54.14 | $9.9B | -37.51% | +37.81% | $6.6M | +1.61% | — | — |
| Oct 2, 2025 | Sell | WLK | Scott Thomas Szwejbka | SVP, HIP Segment Head | 3,842 | $76.70 | $9.9B | -37.51% | +37.81% | $294.7K | -23.06% | — | — |
| Aug 28, 2025 | Sell | WLK | James Chao | Senior Chairman | 15,140 | $86.41 | $9.9B | -37.51% | +37.81% | $1.3M | -27.59% | — | — |
| Apr 22, 2025 | Sell | WLK | Robert F. Buesinger | EVP, PEM Segment Head | 166 | $83.05 | $9.9B | -37.51% | +37.81% | $13.8K | +0.00% | — | — |
| Feb 21, 2025 | Sell | WLK | Jeffrey Adam Holy | VP and CAO | 341 | $110.54 | $9.9B | -37.51% | +37.81% | $37.7K | -4.01% | — | — |
| Feb 21, 2025 | Sell | WLK | Thomas J. Janssens | SVP, Ops - PEM & Corp Logistic | 606 | $110.54 | $9.9B | -37.51% | +37.81% | $67.0K | -2.37% | — | — |
| Feb 21, 2025 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 2,738 | $110.54 | $9.9B | -37.51% | +37.81% | $302.7K | -4.96% | — | — |
| Feb 21, 2025 | Sell | WLK | L. Benjamin Ederington | EVP, PEM, GC and CAO | 2,924 | $110.54 | $9.9B | -37.51% | +37.81% | $323.2K | -2.86% | — | — |
| Feb 21, 2025 | Sell | WLK | Mark Steven Bender | EVP & CFO | 3,530 | $110.54 | $9.9B | -37.51% | +37.81% | $390.2K | -4.10% | — | — |
| Feb 21, 2025 | Sell | WLK | James Chao | Senior Chairman | 6,554 | $110.54 | $9.9B | -37.51% | +37.81% | $724.5K | -5.91% | — | — |
| Feb 21, 2025 | Sell | WLK | Albert Chao | Executive Chairman | 13,390 | $110.54 | $9.9B | -37.51% | +37.81% | $1.5M | -2.06% | — | — |
| Feb 19, 2025 | Sell | WLK | Jeffrey Adam Holy | VP and CAO | 219 | $111.51 | $9.9B | -37.51% | +37.81% | $24.4K | -3.04% | — | — |
| Feb 19, 2025 | Sell | WLK | Thomas J. Janssens | SVP, Ops - PEM & Corp Logistic | 336 | $111.50 | $9.9B | -37.51% | +37.81% | $37.5K | -1.09% | — | — |
| Feb 19, 2025 | Sell | WLK | James Chao | Senior Chairman | 2,287 | $111.51 | $9.9B | -37.51% | +37.81% | $255.0K | -2.47% | — | — |
| Feb 19, 2025 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 4,015 | $111.51 | $9.9B | -37.51% | +37.81% | $447.7K | -6.10% | — | — |
| Feb 19, 2025 | Sell | WLK | Mark Steven Bender | EVP & CFO | 4,446 | $111.51 | $9.9B | -37.51% | +37.81% | $495.8K | -2.78% | — | — |
| Feb 19, 2025 | Sell | WLK | L. Benjamin Ederington | EVP, PEM, GC and CAO | 5,268 | $111.51 | $9.9B | -37.51% | +37.81% | $587.5K | -3.53% | — | — |
| Feb 19, 2025 | Sell | WLK | Albert Chao | Executive Chairman | 6,069 | $111.51 | $9.9B | -37.51% | +37.81% | $676.8K | -0.53% | — | — |
| Feb 18, 2025 | Sell | WLK | Thomas J. Janssens | SVP, Ops - PEM & Corp Logistic | 790 | $115.29 | $9.9B | -37.51% | +37.81% | $91.1K | -5.23% | — | — |
| Feb 18, 2025 | Sell | WLK | L. Benjamin Ederington | EVP, PEM, GC and CAO | 1,895 | $115.29 | $9.9B | -37.51% | +37.81% | $218.5K | -2.88% | — | — |
| Aug 30, 2024 | Sell | WLK | James Chao | Senior Chairman | 6,642 | $145.44 | $9.9B | -37.51% | +37.81% | $966.0K | -14.70% | — | — |
| Aug 23, 2024 | Buy | WLK | Thomas J. Janssens | SVP, Ops - PEM & Corp Logistic | 14,864 | $75.51 | $9.9B | -37.51% | +37.81% | $1.1M | +28.94% | — | — |
| Aug 16, 2024 | Buy | WLK | Albert Chao | Executive Chairman | 45,298 | $68.09 | $9.9B | -37.51% | +37.81% | $3.1M | +8.16% | — | — |
| Aug 14, 2024 | Sell | WLK | Mark Steven Bender | EVP & CFO | 1,156 | $145.44 | $9.9B | -37.51% | +37.81% | $168.1K | -2.67% | — | — |
| Aug 14, 2024 | Sell | WLK | L. Benjamin Ederington | EVP, PEM, GC and CAO | 1,156 | $145.44 | $9.9B | -37.51% | +37.81% | $168.1K | -1.95% | — | — |
| Aug 14, 2024 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 2,772 | $145.44 | $9.9B | -37.51% | +37.81% | $403.2K | -11.22% | — | — |
| May 9, 2024 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 3,500 | $158.50 | $9.9B | -37.51% | +37.81% | $554.8K | -16.55% | — | — |
| May 7, 2024 | Buy | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 3,133 | $122.65 | $9.9B | -37.51% | +37.81% | $384.3K | +11.39% | — | — |
| May 3, 2024 | Sell | WLK | Mark Steven Bender | EVP & CFO | 4,950 | $152.19 | $9.9B | -37.51% | +37.81% | $753.3K | -10.93% | — | — |
| Mar 28, 2024 | Sell | WLK | James Chao | Chairman | 36,632 | $152.80 | $9.9B | -37.51% | +37.81% | $5.6M | -44.77% | — | — |
| Mar 21, 2024 | Buy | WLK | Johnathan Stevan Zoeller | VP and CAO | 657 | $100.00 | $9.9B | -37.51% | +37.81% | $65.7K | +3.99% | — | — |
| Mar 15, 2024 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 3,878 | $144.50 | $9.9B | -37.51% | +37.81% | $560.4K | -15.50% | — | — |
| Mar 13, 2024 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 122 | $144.50 | $9.9B | -37.51% | +37.81% | $17.6K | -0.49% | — | — |
| Mar 8, 2024 | Buy | WLK | Johnathan Stevan Zoeller | VP and CAO | 2,776 | $105.93 | $9.9B | -37.51% | +37.81% | $294.1K | +14.54% | — | — |
| Mar 7, 2024 | Buy | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 12,670 | $99.59 | $9.9B | -37.51% | +37.81% | $1.3M | +21.39% | — | — |
| Mar 6, 2024 | Sell | WLK | Mark Steven Bender | EVP & CFO | 4,804 | $141.02 | $9.9B | -37.51% | +37.81% | $677.5K | -9.59% | — | — |
| Feb 26, 2024 | Sell | WLK | Mark Steven Bender | EVP & CFO | 4,854 | $137.57 | $9.9B | -37.51% | +37.81% | $667.8K | -8.83% | — | — |
| Feb 20, 2024 | Sell | WLK | Johnathan Stevan Zoeller | VP and CAO | 746 | $130.67 | $9.9B | -37.51% | +37.81% | $97.5K | -7.73% | — | — |
| Feb 20, 2024 | Sell | WLK | Thomas J. Janssens | SVP, Ops - PEM & Corp Logistic | 984 | $130.70 | $9.9B | -37.51% | +37.81% | $128.6K | -3.91% | — | — |
| Feb 20, 2024 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 4,485 | $130.59 | $9.9B | -37.51% | +37.81% | $585.7K | -5.56% | — | — |
| Feb 20, 2024 | Sell | WLK | L. Benjamin Ederington | EVP, PEM, GC and CAO | 4,618 | $130.58 | $9.9B | -37.51% | +37.81% | $603.0K | -1.99% | — | — |
| Feb 20, 2024 | Sell | WLK | Mark Steven Bender | EVP & CFO | 6,144 | $130.70 | $9.9B | -37.51% | +37.81% | $803.0K | -5.27% | — | — |
| Feb 20, 2024 | Sell | WLK | James Chao | Chairman | 12,962 | $130.55 | $9.9B | -37.51% | +37.81% | $1.7M | -4.97% | — | — |
| Feb 20, 2024 | Sell | WLK | Albert Chao | President & CEO | 24,780 | $130.59 | $9.9B | -37.51% | +37.81% | $3.2M | -1.46% | — | — |
| Nov 30, 2023 | Buy | WLK | James Chao | Chairman | 68,213 | $78.93 | $9.9B | -37.51% | +37.81% | $5.4M | +21.86% | — | — |
| Nov 15, 2023 | Sell | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 4,215 | $130.50 | $9.9B | -37.51% | +37.81% | $550.1K | -20.10% | — | — |
| Aug 31, 2023 | Buy | WLK | Albert Chao | President & CEO | 19,988 | $63.98 | $9.9B | -37.51% | +37.81% | $1.3M | +3.84% | — | — |
| Aug 31, 2023 | Buy | WLK | James Chao | Chairman | 302,859 | $56.45 | $9.9B | -37.51% | +37.81% | $17.1M | +14.77% | — | — |
| Aug 30, 2023 | Buy | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 4,857 | $86.54 | $9.9B | -37.51% | +37.81% | $420.3K | +23.16% | — | — |
| Aug 30, 2023 | Buy | WLK | L. Benjamin Ederington | EVP, PEM, GC and CAO | 13,734 | $61.87 | $9.9B | -37.51% | +37.81% | $849.7K | +28.66% | — | — |
| Aug 30, 2023 | Buy | WLK | Albert Chao | President & CEO | 20,000 | $63.98 | $9.9B | -37.51% | +37.81% | $1.3M | +3.70% | — | — |
| Aug 30, 2023 | Buy | WLK | James Chao | Chairman | 30,056 | $54.12 | $9.9B | -37.51% | +37.81% | $1.6M | +9.98% | — | — |
| Aug 29, 2023 | Buy | WLK | Thomas J. Janssens | SVP, Ops - PEM & Corp Logistic | 3,855 | $107.88 | $9.9B | -37.51% | +37.81% | $415.9K | +15.85% | — | — |
| Aug 29, 2023 | Buy | WLK | Robert F. Buesinger | EVP, HIP, IT & Digital | 8,100 | $65.81 | $9.9B | -37.51% | +37.81% | $533.1K | +38.63% | — | — |
| Aug 14, 2023 | Sell | WLK | Johnathan Stevan Zoeller | VP and CAO | 144 | $132.11 | $9.9B | -37.51% | +37.81% | $19.0K | -5.33% | — | — |
| Aug 7, 2023 | Buy | WLK | Mark Steven Bender | EVP & CFO | 24,639 | $96.90 | $9.9B | -37.51% | +37.81% | $2.4M | +22.96% | — | — |