WLK · ISSUER CIK 1262823
WESTLAKE CORP
Between Aug 1, 2026 and Oct 29, 2026, 10 WESTLAKE CORP insiders reported $0.00 of open-market purchases and $3.1M of sales on SEC Form 4.
↗10 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 0 of 1 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$3.1MInsider selling
−$3.1MNet open-market
Aug 11, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 11, 202617:45 | Aug 11, 2026 | WLK | Executive Chairman, Director | S · Sell | $80.28 | −38,873 | 642,880 | -6% | −$3.1M | ||
| Aug 11, 202617:45 | Aug 11, 2026 | WLK | Executive Chairman, Director | M · Exercise | $61.87 | +38,873 | 681,753 | +6% | $2.4M | ||
| Aug 10, 202613:54 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 14,927 | +17% | — | ||
| Aug 10, 202613:53 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 5,748 | +61% | — | ||
| Aug 10, 202613:53 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 23,351 | +10% | — | ||
| Aug 10, 202613:52 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 11,824 | +22% | — | ||
| Aug 10, 202613:52 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 13,821 | +19% | — | ||
| Aug 10, 202613:51 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 23,310 | +10% | — | ||
| Aug 10, 202613:51 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 3,507 | +162% | — | ||
| Aug 10, 202613:50 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 11,080 | +24% | — | ||
| Aug 10, 202613:50 | Aug 8, 2026 | WLK | Director | M · Exercise | — | +2,168 | 7,748 | +39% | — |