Ying Du serves as Executive at Zai Lab Ltd, where they oversee executive responsibilities. Since joining the company, Ying Du has executed 166 insider transactions totaling $111.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 11, 2025 involved gifting 377,520 shares valued at $0.
Ying Du currently holds 964,161 shares of Zai Lab Ltd (ZLAB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Ying Du has been a net seller of ZLAB stock. They have purchased $0 and sold $111.4M worth of shares.
Ying Du's most recent insider trade was on Dec 11, 2025, when they sold 377,520 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Aug 29, 2025 | ZLAB | $8.2M | Payment | 251,319 | $32.59 | Discretionary |
| Aug 29, 2025 | ZLAB | $725.3K | Option Exercise | 604,376 | $1.20 | Discretionary |
| Aug 13, 2025 | ZLAB | $27.8K | Option Exercise | 46,387 | $0.60 | Discretionary |
| Aug 13, 2025 | ZLAB | $1.6M | Sale | 46,387 | $35.47 | Discretionary |
| Aug 12, 2025 | ZLAB | $1.7M | Sale | 50,000 | $34.25 | Discretionary |
| Aug 12, 2025 | ZLAB | $30.0K | Option Exercise | 50,000 | $0.60 | Discretionary |
| Aug 11, 2025 | ZLAB | $30.0K | Option Exercise | 50,000 | $0.60 | Discretionary |
| Aug 11, 2025 | ZLAB | $1.7M | Sale | 50,000 | $34.64 | Discretionary |
| Aug 8, 2025 | ZLAB | $1.7M | Sale | 50,000 | $34.74 | Discretionary |
| Aug 8, 2025 | ZLAB | $30.0K | Option Exercise | 50,000 | $0.60 | Discretionary |
| Jun 30, 2025 | ZLAB | $245.7K | Sale | 6,918 | $35.52 | Discretionary |
| Jun 27, 2025 | ZLAB | $0 | Option Exercise | 17,970 | $N/A | Discretionary |
| Aug 13, 2024 | ZLAB | $0 | Gift | 87,793 | $N/A | Discretionary |
| Jun 26, 2024 | ZLAB | $428.5K | Sale | 23,939 | $17.90 | Discretionary |
| Jun 25, 2024 | ZLAB | $0 | Option Exercise | 58,800 | $N/A | Discretionary |
| Apr 2, 2024 | ZLAB | $22.4K | Sale | 1,387 | $16.15 | Discretionary |
| Apr 2, 2024 | ZLAB | $71.1K | Sale | 4,400 | $16.15 | Discretionary |
| Apr 1, 2024 | ZLAB | $56.8K | Option Exercise | 3,400 | $16.72 | Discretionary |
| Apr 1, 2024 | ZLAB | $180.6K | Option Exercise | 10,800 | $16.72 | Discretionary |
| Mar 13, 2024 | ZLAB | $0 | Gift | 861 | $N/A | Discretionary |
| Mar 13, 2024 | ZLAB | $0 | Gift | 33,030 | $N/A | Discretionary |
| Jan 3, 2024 | ZLAB | $218.9K | Sale | 8,380 | $26.12 | Discretionary |
| Jan 1, 2024 | ZLAB | $0 | Option Exercise | 31,587 | $N/A | Discretionary |
| Jun 29, 2023 | ZLAB | $1.9M | Award | 71,880 | $26.45 | Discretionary |
| Jun 23, 2023 | ZLAB | $1.5M | Option Exercise | 58,800 | $25.30 | Discretionary |
| Jun 23, 2023 | ZLAB | $585.4K | Payment | 23,138 | $25.30 | Discretionary |
| Mar 31, 2023 | ZLAB | $359.2K | Option Exercise | 10,800 | $33.26 | Discretionary |
| Mar 31, 2023 | ZLAB | $44.5K | Payment | 1,338 | $33.26 | Discretionary |