Du Ying
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Du Ying. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| ZLAB | Chairperson & CEO | Gift | 377,520 | — | — | Dec 10, 2025 |
| ZLAB | Chairperson & CEO | Tax Withholding | 251,319 | $32.59 | $8,190,486 | Aug 29, 2025 |
| ZLAB | Chairperson & CEO | Option Exercise | 46,387 | $0.60 | $27,832 | Aug 13, 2025 |
| ZLAB | Chairperson & CEO | Option Exercise | 50,000 | $0.60 | $30,000 | Aug 11, 2025 |
| ZLAB | Chairperson & CEO | Option Exercise | 18,000 | — | — | Jul 2, 2025 |
| ZLAB | Chairperson & CEO | Sale | 6,918 | $35.52 | $245,727 | Jun 27, 2025 |
| ZLAB | Chairperson & CEO | Option Exercise | 58,800 | — | — | Jun 26, 2025 |
| ZLAB | Chairperson & CEO | Option Exercise | 50,000 | $0.60 | $30,000 | May 14, 2025 |
| ZLAB | Chairperson & CEO | Option Exercise | 50,000 | $0.60 | $30,000 | May 12, 2025 |
| ZLAB | Chairperson & CEO | Sale | 2,945 | $33.11 | $97,509 | Apr 3, 2025 |
| ZLAB | Chairperson & CEO | Option Exercise | 3,400 | — | — | Apr 1, 2025 |
| ZLAB | Chairperson & CEO | Gift | 10,406 | — | — | Mar 14, 2025 |
| ZLAB | Chairperson & CEO | Sale | 21,093 | $35.20 | $742,474 | Mar 4, 2025 |
| ZLAB | Chairperson & CEO | Sale | 2,857 | $33.59 | $95,967 | Mar 3, 2025 |
| ZLAB | Chairperson & CEO | Gift | 500,000 | — | — | Dec 11, 2024 |
| ZLAB | Chairperson & CEO | Gift | 87,793 | — | — | Aug 13, 2024 |
| ZLAB | Chairperson & CEO | Sale | 7,013 | $17.48 | $122,587 | Jun 28, 2024 |
| ZLAB | Chairperson & CEO | Sale | 23,939 | $17.90 | $428,508 | Jun 25, 2024 |
| ZLAB | Chairperson & CEO | Option Exercise | 3,400 | $16.72 | $56,848 | Apr 1, 2024 |
| ZLAB | Chairperson & CEO | Gift | 861 | — | — | Mar 13, 2024 |
| ZLAB | Chairperson & CEO | Sale | 8,380 | $26.12 | $218,886 | Jan 1, 2024 |
| ZLAB | Chairperson & CEO | Award / Grant | 71,880 | $26.45 | $1,901,226 | Jun 29, 2023 |
| ZLAB | Chairperson & CEO | Option Exercise | 58,800 | $25.30 | $1,487,640 | Jun 23, 2023 |
| ZLAB | Chairperson & CEO | Option Exercise | 10,800 | $33.26 | $359,208 | Mar 31, 2023 |
| ZLAB | Chairperson & CEO | Option Exercise | 300,000 | $0.60 | $180,000 | Mar 6, 2023 |
| ZLAB | Chairperson & CEO | Option Exercise | 300,000 | — | — | Mar 6, 2023 |
| ZLAB | Chairperson & CEO | Gift | 475 | — | — | Jun 21, 2022 |
| ZLAB | Chairwoman & CEO | Option Exercise | 3,400 | — | — | Apr 1, 2022 |
| ZLAB | Chairperson & CEO | Gift | 8,000 | — | — | Dec 31, 2021 |
| ZLAB | Chairwoman & CEO | Sale | 649 | $148.97 | $96,682 | Sep 7, 2021 |
| ZLAB | Chairwoman & CEO | Sale | 4,166 | $143.77 | $598,946 | Sep 1, 2021 |
| ZLAB | Chairwoman & CEO | Sale | 60,405 | $145.14 | $8,767,182 | Aug 3, 2021 |
| ZLAB | Chairwoman & CEO | Option Exercise | 111,111 | $0.60 | $66,667 | Jul 1, 2021 |
| ZLAB | Chairwoman & CEO | Sale | 14,451 | $174.65 | $2,523,867 | Jun 1, 2021 |
| ZLAB | Chairwoman & CEO | Sale | 14,867 | $161.60 | $2,402,507 | May 4, 2021 |
| ZLAB | Chairwoman & CEO | Option Exercise | 111,111 | $0.60 | $66,667 | May 1, 2021 |
| ZLAB | Chairwoman & CEO | Sale | 1,720 | $131.83 | $226,748 | Apr 7, 2021 |
| ZLAB | Chairwoman & CEO | Option Exercise | 111,112 | $0.60 | $66,667 | Apr 5, 2021 |