Du Ying (CIK 0001731790)

Latest company ownership

Role: CEO
Shares held
1,008,653
Last filed at
Sep 8, 2021
Confidence Score
37.9
2025Q4
Confidence Score History
2021Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Aug 29, 2025 Sep 3, 2025 Zai Lab Ltd CEO Sell 16.3 -251,319 -22.02% $8.2M
Aug 12, 2025 Aug 14, 2025 Zai Lab Ltd CEO Sell 23.8 -96,387 -8.24% $3.4M
Aug 8, 2025 Aug 12, 2025 Zai Lab Ltd CEO Sell 23.8 -100,000 -8.52% $3.5M
Jul 1, 2025 Jul 3, 2025 Zai Lab Ltd CEO Sell 22.5 -7,072 -1.30% $249.1K
Jun 27, 2025 Jul 1, 2025 Zai Lab Ltd CEO Sell 22.5 -6,918 -1.30% $245.7K
Jun 25, 2025 Jun 27, 2025 Zai Lab Ltd CEO Sell 20.0 -23,669 -4.39% $855.2K
May 13, 2025 May 15, 2025 Zai Lab Ltd CEO Sell 32.5 -96,389 -4.78% $2.7M
May 9, 2025 May 13, 2025 Zai Lab Ltd CEO Sell 32.5 -100,000 -4.94% $3M
Apr 3, 2025 Apr 7, 2025 Zai Lab Ltd CEO Sell 32.5 -2,945 -0.61% $97.5K
Apr 1, 2025 Apr 3, 2025 Zai Lab Ltd CEO Sell 22.5 -5,808 -1.21% $208.5K
Mar 4, 2025 Mar 6, 2025 Zai Lab Ltd CEO Sell 32.5 -96,389 -3.65% $3.3M
Feb 28, 2025 Mar 4, 2025 Zai Lab Ltd CEO Sell 32.5 -100,000 -3.18% $3.3M
Jun 28, 2024 Jul 2, 2024 Zai Lab Ltd CEO Sell 32.5 -7,013 -0.64% $122.6K
Jun 25, 2024 Jun 27, 2024 Zai Lab Ltd CEO Sell 20.0 -23,939 -2.05% $428.5K
Apr 1, 2024 Apr 3, 2024 Zai Lab Ltd CEO Sell 32.5 -5,787 -0.52% $93.5K
Jan 1, 2024 Jan 3, 2024 Zai Lab Ltd CEO Sell 32.5 -8,380 -0.73% $218.9K
Jun 23, 2023 Jun 26, 2023 Zai Lab Ltd CEO Sell 20.0 -23,138 -2.10% $585.4K
Mar 31, 2023 Apr 3, 2023 Zai Lab Ltd CEO Sell 40.0 -5,588 -0.28% $185.9K
Mar 3, 2023 Mar 8, 2023 Zai Lab Ltd CEO Sell 32.5 -121,758 -4.43% $4.9M
Jan 5, 2022 Dec 9, 2022 Zai Lab Ltd CEO Sell 26.3 -144,603 -14.40% $37.6K
Sep 7, 2021 Sep 8, 2021 Zai Lab Ltd CEO Sell 36.3 -29,785 -2.87% $4.5M
Sep 1, 2021 Sep 3, 2021 Zai Lab Ltd CEO Sell 25.0 -81,326 -7.26% $11.9M
Aug 2, 2021 Aug 3, 2021 Zai Lab Ltd CEO Sell 40.0 -111,111 -0.75% $16.1M
Jul 1, 2021 Jul 2, 2021 Zai Lab Ltd CEO Sell 21.3 -111,111 -9.92% $19.5M
Jun 1, 2021 Jun 2, 2021 Zai Lab Ltd CEO Sell 21.3 -111,111 -9.92% $19.6M
May 3, 2021 May 4, 2021 Zai Lab Ltd CEO Sell 17.5 -111,111 -12.38% $17.8M
Apr 1, 2021 Apr 7, 2021 Zai Lab Ltd CEO Sell 17.5 -127,112 -12.41% $14.2M