Yajing Chen sold $15K of ZLAB stock

Yajing Chen, Chief Financial Officer of Zai Lab Ltd (ZLAB), sold 619 shares of ZLAB stock worth $15K, per an SEC Form 4 filed Aug 13, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 11, 2026, 2 days before it was made public.

ZLAB has moved -5.4% since the trade date, from $26.00 to $24.60 (Nov 13, 2026 close).