Chao John Tsung-chen
SEC CIK 1746472 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| WLK | WESTLAKE CORP | Dir, 10% | 7,888 | — | — | 11 | 2021-08-14 | 2026-02-20 |
Most active insiders at WLK, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Chao Albert | Executive COB, Dir | — | $6.13M |
| 2 | Bender Mark Steven | EVP, CFO | — | $3.60M |
| 3 | Buesinger Robert F. | EVP, PEM Segment Head | — | $461.0K |
| 4 | Szwejbka Scott Thomas | SVP, HIP Segment Head | — | — |
| 5 | Holy Jeffrey Adam | VP, CAO | — | — |
| 6 | Chao Catherine T. | Dir | — | — |
| 7 | Sabat Carolyn Chao | Dir | — | — |
| 8 | Chao John Tsung-chen | Dir | — | — |
| 9 | Chao David Tsung-Hung | Dir | — | — |
| 10 | Ederington L. Benjamin | EVP, Legal, External Affairs | — | — |
Transactions 11
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-02-23 | 2026-02-20 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | F - Tax | $94.10 | -91 | 7,888 | -1% | -$8,563 |
| D | 2026-02-23 | 2026-02-19 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | A - Grant | $0.00 | +213 | 7,979 | +3% | $0 |
| D | 2026-02-19 | 2026-02-17 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | M - OptEx | $0.00 | +570 | 7,608 | +8% | $0 |
| D | 2026-02-19 | 2026-02-18 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | F - Tax | $98.95 | -242 | 7,766 | -3% | -$23.9K |
| A | 2025-03-07 | 2025-03-05 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | F - Tax | $108.62 | -391 | 7,038 | -5% | -$42.5K |
| A | 2025-03-07 | 2025-02-20 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | A - Grant | $0.00 | +955 | 7,664 | +14% | $0 |
| A | 2025-03-06 | 2025-02-18 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | M - OptEx | $0.00 | +513 | 6,709 | +8% | $0 |
| A | 2025-03-06 | 2025-03-05 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | F - Tax | $108.62 | -235 | 7,429 | -3% | -$25.5K |
| D | 2025-02-24 | 2025-02-20 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | A - Grant | $0.00 | +955 | 7,664 | +14% | $0 |
| D | 2025-02-20 | 2025-02-18 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir | M - OptEx | $0.00 | +513 | 6,709 | +8% | $0 |
| D | 2021-08-16 | 2021-08-14 | WLK | WESTLAKE CORP | Chao John Tsung-chen | Dir, 10% | M - OptEx | — | +2,400 | 6,196 | +63% | — |
Purchase Sale Sale after option exercise All abbreviations