Form 4 for WLK WESTLAKE CORP
Accepted 2025-08-11 00:00:00 ET · period of report 2025-08-08 · accession 0001448219-25-000004 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-08-11 | 2025-08-09 | WLK | Lubel Kimberly S | Dir | M - OptEx | — | +1,128 | 11.7K | +11% | — |
| D | 2025-08-11 | 2025-08-08 | WLK | Lubel Kimberly S | Dir | A - Grant | $0.00 | +2,168 | 2,168 | New | $0 |
| D | 2025-08-11 | 2025-08-09 | WLK | Lubel Kimberly S | Dir | M - OptEx | $0.00 | -1,128 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-09 | M | A | 1,128 | — | 11,653 | D | — | — | (F1) Restricted stock units convert into the Issuer's common stock on a one-for-one basis. |
| 2 | Derivative | Restricted Stock Units | 2025-08-08 | A | A | 2,168 | $0.00 | 2,168 | D | — · — to — | 2,168 Common Stock | (F1) Restricted stock units convert into the Issuer's common stock on a one-for-one basis. (F2) All of the restricted stock units will vest on August 8, 2026. |
| 3 | Derivative | Restricted Stock Units | 2025-08-09 | M | D | 1,128 | $0.00 | 0 | D | — · — to — | 1,128 Common Stock | (F1) Restricted stock units convert into the Issuer's common stock on a one-for-one basis. (F3) On August 9, 2024 the reporting person was granted 1,128 restricted stock units vesting on the first anniversary of the grant date. |