Du Ying — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Du Ying has filed 7 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $15.90M.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-06ZLABZai Lab LtdF — Tax withholding / forfeiture4.3K$19.12$83K
2026-07-06ZLABZai Lab LtdM — Option exercise11.0K—
2026-07-06ZLABZai Lab LtdF — Tax withholding / forfeiture7.1K$19.15$136K
2026-07-06ZLABZai Lab LtdM — Option exercise18.0K—
2026-07-01ZLABZai Lab LtdS — Open-market sale7.0K$18.53$130K
2026-07-01ZLABZai Lab LtdM — Option exercise18.0K—
2026-06-29ZLABZai Lab LtdS — Open-market sale24.5K$17.46$429K
2026-06-29ZLABZai Lab LtdM — Option exercise58.8K—
2026-05-28ZLABZai Lab LtdG — Bona-fide gift53.9K$0.00
2026-05-28ZLABZai Lab LtdG — Bona-fide gift34.0K$0.00
2026-05-28ZLABZai Lab LtdG — Bona-fide gift19.9K$0.00
2026-05-21ZLABZai Lab LtdF — Tax withholding / forfeiture117.4K$18.75$2.20M
2026-05-21ZLABZai Lab LtdM — Option exercise261.1K$1.74$454K
2026-05-19ZLABZai Lab LtdS — Open-market sale50.0K$19.00$950K
2026-05-19ZLABZai Lab LtdM — Option exercise50.0K$1.74$87K
2026-05-19ZLABZai Lab LtdS — Open-market sale50.0K$20.74$1.04M
2026-05-19ZLABZai Lab LtdM — Option exercise50.0K$1.74$87K
2026-05-15ZLABZai Lab LtdS — Open-market sale50.0K$20.09$1.00M
2026-05-15ZLABZai Lab LtdM — Option exercise50.0K$1.74$87K
2026-05-15ZLABZai Lab LtdS — Open-market sale33.8K$20.22$683K

Companies — Last 90 Days

Frequently Asked Questions

Who is Du Ying?

Du Ying is a corporate insider — currently tracked as Insider of Zai Lab Ltd (ZLAB). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Du Ying submitted recently?

7 primary Form 4 filings in the last 90 days, covering 1 company.

Has Du Ying been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 21 open-market sales ($15.90M) across all tracked filings.

Where can I see all of Du Ying's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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