Insider tradingForm 4

Zai Lab Ltd (ZLAB) Insider Trading

3 open-market trades reported since Aug 13, 2026: 0 purchases worth $0 and 3 sales worth $235K.

By insider

Insider	Role	Buys	Bought	Sells	Sold	Latest
Yajing Chen	CFO	0	$0	2	$22K	Aug 21, 2026
William Lis	Director	0	$0	1	$213K	Aug 13, 2026

ZLAB insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Aug 21	Aug 19	Yajing ChenCFO	CFO	▼ SELL10b5-1	260	27.00	$7K	−0.7%	Form 4 ↗
Aug 13	Aug 12	William LisDirector	Director	▼ SELL10b5-1	8,506	25.00	$213K	−17%	Form 4 ↗
Aug 13	Aug 11	Yajing ChenCFO	CFO	▼ SELL10b5-1	619	25.00	$15K	−1.7%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings