SEC CIK 1726418
Chao David Tsung-Hung
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| WLKview stock → | 11,080 | 2026-08-08 |
Position History — WLK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — WLK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-08-14 | Grant / award (derivative) | 2,184 | $0.00 | 2,184 |
| 2026-08-08 | Option exercise (derivative) | 2,168 | $0.00 | 2,168 |
| 2026-08-08 | Option exercise | 2,168 | — | 11,080 |
| 2025-08-09 | Option exercise (derivative) | 1,128 | $0.00 | 0 |
| 2025-08-09 | Option exercise | 1,128 | — | 8,912 |
| 2025-08-08 | Grant / award (derivative) | 2,168 | $0.00 | 2,168 |
| 2024-11-29 | Open-market sale | 1,750 | $129.08 | 7,784 |
| 2024-11-22 | Open-market sale | 1,750 | $130.00 | 9,534 |
| 2024-08-11 | Option exercise (derivative) | 1,136 | $0.00 | 0 |
| 2024-08-11 | Option exercise | 1,136 | — | 11,284 |
| 2024-08-09 | Grant / award (derivative) | 1,128 | $0.00 | 1,128 |
| 2023-08-31 | Gift | 19,423 | $0.00 | 19,423 |
| 2023-08-23 | Open-market sale | 1,000 | $131.00 | 10,148 |
| 2023-08-12 | Option exercise (derivative) | 1,446 | $0.00 | 0 |
| 2023-08-12 | Option exercise | 1,446 | — | 11,148 |
| 2023-08-11 | Grant / award (derivative) | 1,136 | $0.00 | 1,136 |
| 2022-08-13 | Option exercise (derivative) | 1,763 | $0.00 | 0 |
| 2022-08-13 | Option exercise | 1,763 | — | 9,702 |
| 2022-08-12 | Grant / award (derivative) | 1,446 | $0.00 | 1,446 |
| 2021-08-14 | Option exercise (derivative) | 2,400 | $0.00 | 0 |
| 2021-08-14 | Option exercise | 2,400 | — | 7,939 |
| 2021-08-13 | Grant / award (derivative) | 1,763 | $0.00 | 1,763 |
| 2020-08-16 | Option exercise (derivative) | 2,387 | $0.00 | 0 |
| 2020-08-16 | Option exercise | 2,387 | — | 5,539 |
| 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 | — | 3,152 |
| 2019-08-16 | Grant / award (derivative) | 2,387 | $0.00 | 2,387 |
| 2019-01-05 | Option exercise (derivative) | 1,090 | $0.00 | 0 |
| 2019-01-05 | Option exercise | 1,090 | — | 1,743 |
| 2018-08-17 | Grant / award (derivative) | 1,409 | $0.00 | 1,409 |
| 2018-01-05 | — | — | — | 92,010,554 |
| 2018-01-05 | — | — | — | 653 |
| 2018-01-05 | Grant / award (derivative) | 1,090 | $0.00 | 1,090 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.