WLK WESTLAKE CORP
NYSE · SEC CIK 1262823 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $10.19M 5 sales by 3 insiders
- Filings on record
- 282 since 2021-08-12, latest 2026-09-01 07:14
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Chao Albert | Executive COB, Dir | — | $6.13M |
| Bender Mark Steven | EVP, CFO | — | $3.60M |
| Buesinger Robert F. | EVP, PEM Segment Head | — | $461.0K |
| Szwejbka Scott Thomas | SVP, HIP Segment Head | — | — |
| Holy Jeffrey Adam | VP, CAO | — | — |
| Chao Catherine T. | Dir | — | — |
| Sabat Carolyn Chao | Dir | — | — |
| Chao John Tsung-chen | Dir | — | — |
| Chao David Tsung-Hung | Dir | — | — |
| Ederington L. Benjamin | EVP, Legal, External Affairs | — | — |
Transactions 348
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022-03-10 | 2022-03-09 | WLK | Buesinger Robert F. | EVP, HIP, IT, Digital | S - Sale | $115.55 | -2,730 | 14.8K | -16% | -$315.5K | |
| 2022-03-04 | 2022-03-03 | WLK | MCCOLLUM MARK A | Dir | G - Gift | $0.00 | -3,000 | 4,183 | -42% | $0 | |
| D | 2022-03-02 | 2022-03-01 | WLK | Zoeller Johnathan Stevan | VP, CAO | S - Sale+OE | $110.39 | -1,006 | 1,157 | -47% | -$111.1K |
| D | 2022-03-02 | 2022-03-01 | WLK | Zoeller Johnathan Stevan | VP, CAO | M - OptEx | $65.81 | +1,006 | 2,163 | +87% | +$66.2K |
| 2022-02-22 | 2022-02-18 | WLK | Kearns Roger L. | EVP, COO | A - Grant | $0.00 | +5,491 | 30.6K | +22% | $0 | |
| 2022-02-22 | 2022-02-18 | WLK | Ederington L. Benjamin | SVP, GC, CAO, Sec | A - Grant | $0.00 | +6,323 | 39.9K | +19% | $0 | |
| 2022-02-22 | 2022-02-18 | WLK | Zoeller Johnathan Stevan | VP, CAO | A - Grant | $0.00 | +286 | 1,157 | +33% | $0 | |
| 2022-02-22 | 2022-02-18 | WLK | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +7,923 | 33.5K | +31% | $0 | |
| 2022-02-22 | 2022-02-18 | WLK | Chao James | COB, Dir, 10% | A - Grant | $0.00 | +24.5K | 135.3K | +22% | $0 | |
| 2022-02-22 | 2022-02-18 | WLK | Kenner Andrew | SVP, Ops | A - Grant | $0.00 | +4,764 | 20.4K | +31% | $0 | |
| 2022-02-22 | 2022-02-18 | WLK | Chao Albert | Pres, CEO, Dir, 10% | A - Grant | $0.00 | +30.6K | 485.1K | +7% | $0 | |
| 2022-02-22 | 2022-02-18 | WLK | Buesinger Robert F. | EVP, HIP, IT, Digital | A - Grant | $0.00 | +6,446 | 17.6K | +58% | $0 | |
| D | 2022-02-17 | 2022-02-16 | WLK | Bender Mark Steven | EVP, CFO | F - Tax | $104.96 | -1,166 | 25.6K | -4% | -$122.4K |
| D | 2022-02-17 | 2022-02-15 | WLK | Bender Mark Steven | EVP, CFO | M - OptEx | — | +4,755 | 26.8K | +22% | — |
| DM | 2022-02-17 | 2022-02-16 | WLK | Kenner Andrew | SVP, Ops | F - Tax | $104.96 | -725 | 15.6K | -4% | -$76.1K |
| D | 2022-02-17 | 2022-02-15 | WLK | Kenner Andrew | SVP, Ops | M - OptEx | — | +2,859 | 16.3K | +21% | — |
| DM | 2022-02-17 | 2022-02-16 | WLK | Ederington L. Benjamin | SVP, GC, CAO, Sec | F - Tax | $104.97 | -946 | 34.5K | -3% | -$99.3K |
| D | 2022-02-17 | 2022-02-15 | WLK | Ederington L. Benjamin | SVP, GC, CAO, Sec | M - OptEx | — | +3,796 | 34.6K | +12% | — |
| D | 2022-02-17 | 2022-02-15 | WLK | Kearns Roger L. | EVP, COO | M - OptEx | — | +3,296 | 25.9K | +15% | — |
| DM | 2022-02-17 | 2022-02-16 | WLK | Kearns Roger L. | EVP, COO | F - Tax | $104.97 | -816 | 25.1K | -3% | -$85.7K |
| D | 2022-02-17 | 2022-02-16 | WLK | Zoeller Johnathan Stevan | VP, CAO | F - Tax | $104.96 | -51 | 871 | -6% | -$5,353 |
| D | 2022-02-17 | 2022-02-15 | WLK | Zoeller Johnathan Stevan | VP, CAO | M - OptEx | — | +172 | 922 | +23% | — |
| D | 2022-02-17 | 2022-02-16 | WLK | Buesinger Robert F. | EVP, Vinyl Products | F - Tax | $104.96 | -963 | 11.1K | -8% | -$101.1K |
| D | 2022-02-17 | 2022-02-15 | WLK | Buesinger Robert F. | EVP, Vinyl Products | M - OptEx | — | +3,869 | 12.1K | +47% | — |
| DM | 2022-02-17 | 2022-02-16 | WLK | Chao James | COB, Dir, 10% | F - Tax | $104.97 | -4,355 | 110.9K | -4% | -$457.2K |
| D | 2022-02-17 | 2022-02-15 | WLK | Chao James | COB, Dir, 10% | M - OptEx | — | +14.7K | 115.2K | +15% | — |
| DM | 2022-02-17 | 2022-02-16 | WLK | Chao Albert | Pres, CEO, Dir, 10% | F - Tax | $104.96 | -5,749 | 454.6K | -1% | -$603.4K |
| D | 2022-02-17 | 2022-02-15 | WLK | Chao Albert | Pres, CEO, Dir, 10% | M - OptEx | — | +18.4K | 460.3K | +4% | — |
| DM | 2021-12-06 | 2021-12-02 | WLK | Chao Albert | Pres, CEO, Dir, 10% | S - Sale+OE | $91.85 | -30.8K | 471.0K | -6% | -$2.83M |
| D | 2021-12-06 | 2021-12-02 | WLK | Chao Albert | Pres, CEO, Dir, 10% | M - OptEx | $30.05 | +30.8K | 472.7K | +7% | +$925.1K |
| DM | 2021-12-03 | 2021-12-01 | WLK | Chao Albert | Pres, CEO, Dir, 10% | S - Sale+OE | $91.75 | -30.8K | 463.1K | -6% | -$2.82M |
| D | 2021-12-03 | 2021-12-01 | WLK | Chao Albert | Pres, CEO, Dir, 10% | M - OptEx | $30.05 | +30.8K | 472.7K | +7% | +$925.1K |
| D | 2021-12-03 | 2021-12-02 | WLK | COB, Dir, 10% | M - OptEx | $30.05 | +16.4K | 100.5K | +20% | +$493.4K | |
| 2021-11-15 | 2021-11-11 | WLK | Bender Mark Steven | EVP, CFO, Dir | S - Sale | $101.57 | -2,369 | 22.0K | -10% | -$240.6K | |
| 2021-11-10 | 2021-11-08 | WLK | Bender Mark Steven | EVP, CFO, Dir | S - Sale | $100.77 | -631 | 24.4K | -3% | -$63.6K | |
| 2021-11-08 | 2021-11-05 | WLK | Bender Mark Steven | EVP, CFO, Dir | S - Sale | $98.80 | -6,356 | 25.0K | -20% | -$628.0K | |
| D | 2021-08-24 | 2021-08-24 | WLK | Zoeller Johnathan Stevan | VP, CAO | F - Tax | $84.06 | -236 | 750 | -24% | -$19.8K |
| D | 2021-08-24 | 2021-08-20 | WLK | Zoeller Johnathan Stevan | VP, CAO | M - OptEx | — | +986 | 986 | New | — |
| D | 2021-08-16 | 2021-08-14 | WLK | NORTHCUTT R BRUCE | Dir | M - OptEx | — | +2,400 | 15.7K | +18% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | Jenkins Dorothy C | Dir, 10% | M - OptEx | — | +2,400 | 72.0K | +3% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | Lubel Kimberly S | Dir | M - OptEx | — | +2,400 | 6,180 | +63% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | MCCOLLUM MARK A | Dir | M - OptEx | — | +2,400 | 7,183 | +50% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | Chao John Tsung-chen | Dir, 10% | M - OptEx | — | +2,400 | 6,196 | +63% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | Sheets Jeffrey Wayne | Dir | M - OptEx | — | +2,400 | 7,286 | +49% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | Graff Michael J | Dir | M - OptEx | — | +2,400 | 15.7K | +18% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | Haas Marius | Dir | M - OptEx | — | +2,400 | 7,286 | +49% | — |
| D | 2021-08-16 | 2021-08-14 | WLK | Chao David Tsung-Hung | Dir, 10% | M - OptEx | — | +2,400 | 7,939 | +43% | — |
| 2021-08-12 | 2021-08-11 | WLK | Chao Albert | Pres, CEO, Dir, 10% | P - Purchase | $86.21 | +3,000 | 441.9K | +0.7% | +$258.6K |
Purchase Sale Sale after option exercise All abbreviations