SEC CIK 1746472
Chao John Tsung-chen
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| WLKview stock → | 7,888 | 2026-02-20 |
Position History — WLK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — WLK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-02-20 | Grant / award (derivative) | 2,434 | $0.00 | 2,434 |
| 2026-02-20 | Grant / award (derivative) | 1,104 | $0.00 | 1,104 |
| 2026-02-20 | Grant / award (derivative) | 4,044 | $0.00 | 4,044 |
| 2026-02-20 | Tax withholding | 91 | $94.10 | 7,888 |
| 2026-02-19 | Grant / award | 213 | $0.00 | 7,979 |
| 2026-02-18 | Tax withholding | 242 | $98.95 | 7,766 |
| 2026-02-17 | Option exercise (derivative) | 570 | $0.00 | 0 |
| 2026-02-17 | Option exercise | 570 | $0.00 | 7,608 |
| 2025-03-05 | Tax withholding | 235 | $108.62 | 7,429 |
| 2025-03-05 | Tax withholding | 391 | $108.62 | 7,038 |
| 2025-02-21 | Grant / award (derivative) | 2,772 | $0.00 | 2,772 |
| 2025-02-21 | Grant / award (derivative) | 919 | $0.00 | 919 |
| 2025-02-20 | Grant / award | 955 | $0.00 | 7,664 |
| 2025-02-20 | Grant / award | 955 | $0.00 | 7,664 |
| 2025-02-18 | Option exercise | 513 | $0.00 | 6,709 |
| 2025-02-18 | Option exercise (derivative) | 513 | $0.00 | 0 |
| 2025-02-18 | Option exercise | 513 | $0.00 | 6,709 |
| 2024-02-16 | Grant / award (derivative) | 503 | $0.00 | 503 |
| 2024-02-16 | Grant / award (derivative) | 1,394 | $0.00 | 1,394 |
| 2023-02-17 | Grant / award (derivative) | 570 | $0.00 | 570 |
| 2023-02-17 | Grant / award (derivative) | 1,557 | $0.00 | 1,557 |
| 2022-02-18 | Grant / award (derivative) | 1,623 | $0.00 | 1,623 |
| 2022-02-18 | Grant / award (derivative) | 513 | $0.00 | 513 |
| 2021-08-14 | Option exercise (derivative) | 2,400 | $0.00 | 0 |
| 2021-08-14 | Option exercise | 2,400 | — | 6,196 |
| 2020-08-16 | Option exercise (derivative) | 2,387 | $0.00 | 0 |
| 2020-08-16 | Option exercise | 2,387 | — | 3,796 |
| 2020-08-14 | Grant / award (derivative) | 2,400 | $0.00 | 2,400 |
| 2019-08-17 | Option exercise (derivative) | 1,409 | $0.00 | 0 |
| 2019-08-17 | Option exercise | 1,409 | — | 1,409 |
| 2019-08-16 | Grant / award (derivative) | 2,387 | $0.00 | 2,387 |
| 2018-08-17 | Grant / award (derivative) | 1,409 | $0.00 | 1,409 |
| 2018-08-17 | — | — | — | 92,010,554 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.