Du Ying

This profile gathers the share dealings of Du Ying across 2 companies, led by Zai Lab Ltd and Zai Lab Ltd. Over a trading history stretching from 5 April 2021 to 7 July 2026, the count stands at 88 filings.

Market trades split into 2 purchases and 20 sales (€32.1M). The totals exclude 5 filings filed without an amount. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Other entries cover 4 share grants and 38 option exercises. 2026 to date brings 2 purchases and 18 sales.

On 10 July 2026 came the latest disclosure, a transaction in Zai Lab Ltd. The most recent open-market purchase was published on 3 July 2026, 107 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. Section 16 rules allow two business days to file each Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.