Ying Du

Current Holdings

Chairperson CEO, Director
Security Holdings
American Depositary Shares 994,117 shares

Cumulative Trading Activity in American Depositary Shares for Zai Lab Ltd in 2025

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This page tracks insider trading for Ying Du, which means you can track and be informed when insider trading (i.e., insider trades) occurs. Trading stock is common amongst insiders, and the SEC requires stock trades (such as when individuals buy stock, sell stock, receive stock compensation, etc.) from insiders to be made publicly available. Some people follow the insider market to help them when investing in the stock market (e.g., when deciding whether to buy stocks). On this page, you will see stock trading that Ying Du has engaged in since 2021. As shown above, Ying Du has completed -$73,586,552 in total transactions, which were made available through the SEC Form 4, a regulatory filing that makes stock exchange data like this public knowledge.

Found 20 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
ZLAB 2024-8-13 $0 -87,793 $0 0 $0 -87,793 SEC Filing
ZLAB 2024-6-28 $0 10,957 $0 17,970 $0 -7,013 SEC Filing
ZLAB 2024-6-25 $0 34,861 $0 58,800 $0 -23,939 SEC Filing
ZLAB 2024-4-1 $143,958 8,413 $237,424 14,200 -$93,466 -5,787 SEC Filing
ZLAB 2024-3-13 $0 -33,891 $0 0 $0 -33,891 SEC Filing
ZLAB 2024-1-1 $0 23,207 $0 31,587 $0 -8,380 SEC Filing
ZLAB 2023-6-29 $1,901,226 71,880 $1,901,226 71,880 $0 0 SEC Filing
ZLAB 2023-3-31 $286,435 8,612 $472,292 14,200 -$185,857 -5,588 SEC Filing
ZLAB 2023-3-3 -$4,722,738 178,242 $180,000 300,000 -$4,902,738 -121,758 SEC Filing
ZLAB 2023-3-3 $0 135,114 $0 300,000 $0 -164,886 SEC Filing
ZLAB 2022-4-1 $0 3,400 $0 3,400 $0 0 SEC Filing
ZLAB 2022-1-5 -$37,649 -144,603 $0 475 -$37,649 -145,078 SEC Filing
ZLAB 2021-12-31 $0 -8,000 $0 0 $0 -8,000 SEC Filing
ZLAB 2021-9-7 -$4,489,523 -29,785 $0 0 -$4,489,523 -29,785 SEC Filing
ZLAB 2021-9-1 -$11,790,580 29,785 $66,667 111,111 -$11,857,247 -81,326 SEC Filing
ZLAB 2021-8-2 -$16,043,348 0 $66,667 111,111 -$16,110,015 -111,111 SEC Filing
ZLAB 2021-7-1 -$19,445,083 0 $66,667 111,111 -$19,511,750 -111,111 SEC Filing
ZLAB 2021-6-1 -$19,522,584 0 $66,667 111,111 -$19,589,250 -111,111 SEC Filing
ZLAB 2021-5-1 $66,667 111,111 $66,667 111,111 $0 0 SEC Filing
ZLAB 2021-4-5 $66,667 111,112 $66,667 111,112 $0 0 SEC Filing

The data shown here is based on historical filings with the SEC, and may contain slight inaccuracies.

This data excludes derivative holdings and transactions.

Additional data regarding trading activity for Ying Du before the earliest date displayed on this page may exist, but is not shown here.