AlphaYouYD
Insider selling
Ying Du sold Zai Lab Ltd (ZLAB) stock
Ying Du, Chairperson & CEO of Zai Lab Ltd (ZLAB), sold 100,000 shares of ZLAB stock, per an SEC Form 4 filed May 19, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on May 15, 2026, 4 days before it was made public.
ZLAB has moved +28.4% since the trade date, from $20.59 to $26.43 (Sep 21, 2026 close).
- Traded
- May 15, 2026
- Disclosed
- May 19, 2026
- Filing delay
- 4 days
- Price since
- +28.4%
- Role
- Chairperson & CEO
- Source
- SEC Form 4
More ZLAB insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.