Westlake Corporation (WLK)
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Learn moreInsider Purchases Last 6 Months
| Shares | Transactions | |
|---|---|---|
|
Purchases
|
71,549 | 11 |
|
Sales
|
38,873 | 1 |
|
Net Shares Purchased (Sold)
|
32,676 | 12 |
|
Total Insider Shares Held
|
95.22M | -- |
|
% Net Shares Purchased (Sold)
|
0.00% | -- |
Net Institutional Purchases Prior Quarter to Latest Quarter
| Shares | |
|---|---|
| Net Shares Purchased (Sold) | -12,500,668 |
| % Change in Institutional Shares Held | -30.30% |
Insider Transactions Reported - Last Two Years
| Insider | Transaction | Type | Value | Date |
|---|---|---|---|---|
| CHAO ALBERT Y Officer and Director |
Sale at price 79.70 - 80.42 per share. | Direct | 3,120,775 | Aug 11, 2026 |
| CHAO ALBERT Y Officer and Director |
Conversion of Exercise of derivative security at price 61.86 per share. | Direct | 2,404,878 | Aug 11, 2026 |
| CHAO CATHERINE T Director |
-- | Direct | -- | Aug 7, 2026 |
| SHEETS JEFFREY WAYNE Director |
-- | Direct | -- | Aug 7, 2026 |
| LUBEL KIMBERLY S Director |
-- | Direct | -- | Aug 7, 2026 |
| GRAFF MICHAEL J Director |
-- | Direct | -- | Aug 7, 2026 |
| CHAO DAVID TSUNG-HUNG Director |
-- | Direct | -- | Aug 7, 2026 |
| SABAT CAROLYN CHAO Director |
-- | Direct | -- | Aug 7, 2026 |
| MCCOLLUM MARK A Director |
-- | Direct | -- | Aug 7, 2026 |
| CREGG ROGER A Director |
-- | Direct | -- | Aug 7, 2026 |
| NORTHCUTT RONALD BRUCE Director |
-- | Direct | -- | Aug 7, 2026 |
| BENDER MARK STEVEN Chief Financial Officer |
-- | Direct | -- | May 12, 2026 |
| BENDER MARK STEVEN Chief Financial Officer |
Sale at price 112.54 per share. | Direct | 1,847,037 | Mar 27, 2026 |
| BUESINGER ROBERT F Officer |
Sale at price 115.25 per share. | Direct | 461,000 | Mar 27, 2026 |
| BENDER MARK STEVEN Chief Financial Officer |
Sale at price 100.91 - 101.52 per share. | Direct | 1,756,997 | Feb 27, 2026 |
| BENDER MARK STEVEN Chief Financial Officer |
Conversion of Exercise of derivative security at price 65.81 - 86.54 per share. | Direct | 969,949 | Feb 27, 2026 |
| BENDER MARK STEVEN Chief Financial Officer |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| BUESINGER ROBERT F Officer |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| EDERINGTON LOUIS BENJAMIN Officer |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| CHAO JOHN TSUNG-CHEN Director |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| HOLY JEFFREY ADAM Officer |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| SZWEJBKA SCOTT THOMAS Officer |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| CHAO ALBERT Y Officer and Director |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| CHAO JAMES Y Chairman of the Board |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 19, 2026 |
| HOLY JEFFREY ADAM Officer |
-- | Direct | -- | Feb 17, 2026 |
| SZWEJBKA SCOTT THOMAS Officer |
-- | Direct | -- | Feb 17, 2026 |
| EDERINGTON LOUIS BENJAMIN Officer |
-- | Direct | -- | Feb 17, 2026 |
| CHAO JOHN TSUNG-CHEN Director |
-- | Direct | -- | Feb 17, 2026 |
| BUESINGER ROBERT F Officer |
-- | Direct | -- | Feb 17, 2026 |
| CHAO ALBERT Y Officer and Director |
-- | Direct | -- | Feb 17, 2026 |
| BENDER MARK STEVEN Chief Financial Officer |
-- | Direct | -- | Feb 17, 2026 |
| CHAO JAMES Y Chairman of the Board |
-- | Direct | -- | Feb 17, 2026 |
| CHAO ALBERT Y Officer and Director |
Sale at price 72.82 - 74.44 per share. | Direct | 3,004,373 | Dec 22, 2025 |
| CHAO ALBERT Y Officer and Director |
Conversion of Exercise of derivative security at price 44.42 per share. | Direct | 3,627,915 | Dec 22, 2025 |
| CREGG ROGER A Director |
-- | Direct | -- | Dec 10, 2025 |
| SZWEJBKA SCOTT THOMAS Officer |
-- | Direct | -- | Oct 1, 2025 |
| CHAO JAMES Y Chairman of the Board |
Stock Gift at price 0.00 per share. | Direct | 0 | Aug 28, 2025 |
| CHAO CATHERINE T Director |
-- | Direct | -- | Aug 8, 2025 |
| SHEETS JEFFREY WAYNE Director |
-- | Direct | -- | Aug 8, 2025 |
| LUBEL KIMBERLY S Director |
-- | Direct | -- | Aug 8, 2025 |
| GRAFF MICHAEL J Director |
-- | Direct | -- | Aug 8, 2025 |
| CHAO DAVID TSUNG-HUNG Director |
-- | Direct | -- | Aug 8, 2025 |
| SABAT CAROLYN CHAO Director |
-- | Direct | -- | Aug 8, 2025 |
| MCCOLLUM MARK A Director |
-- | Direct | -- | Aug 8, 2025 |
| NORTHCUTT RONALD BRUCE Director |
-- | Direct | -- | Aug 8, 2025 |
| BUESINGER ROBERT F Officer |
Sale at price 72.70 per share. | Indirect | 6,034 | May 27, 2025 |
| BUESINGER ROBERT F Officer |
Purchase at price 93.39 per share. | Indirect | 7,751 | Apr 22, 2025 |
| BENDER MARK STEVEN Chief Financial Officer |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 20, 2025 |
| BUESINGER ROBERT F Officer |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 20, 2025 |
| EDERINGTON LOUIS BENJAMIN General Counsel |
Stock Award(Grant) at price 0.00 per share. | Direct | 0 | Feb 20, 2025 |
