Ying Du sold $3.5M of Zai Lab Limited (ZLAB)

Executed Aug 8 2025, disclosed Aug 12 2025, 4 days later.

Value, as filed

$3.5M

100,000 sh across 2 lots

Executed

Aug 8 2025

the trade date, as filed

Disclosed

Aug 12 2025

4 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

Ying Du Chairperson & CEO profile →

Ying Du (Chairperson & CEO) filed 7 Form 4 reports in the trailing twelve months (0 purchases, 7 sales), most often in Zai Lab Limited (ZLAB). The largest single filing was $2.0M of ZLAB (100,000 sh across 3 lots, as filed), executed May 13.

The name

ZLAB

Zai Lab Limited ZLAB · Healthcare · 46 filings in 24 months ticker →

Healthcare · Zai Lab Limited, a biopharmaceutical company, focuses on discovering, developing, and commercializing products that address medical conditi…

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Ying Du in ZLAB

ZLABSALE Zai Lab Limited $130K
7,026 sh × $18.53
Exec Jun 30
Filed Jul 1 · 4:24 PM ET ZLABSALE Zai Lab Limited $429K
24,543 sh × $17.46
Exec Jun 26
Filed Jun 29 · 5:30 PM ET ZLABSALE Zai Lab Limited $2.0M
100,000 sh across 2 lots
Exec May 15
Filed May 19 · 5:30 PM ET ZLABSALE Zai Lab Limited $2.0M
100,000 sh across 3 lots
Exec May 13
Filed May 15 · 5:30 PM ET ZLABSALE Zai Lab Limited $114K
5,576 sh × $20.39
Exec Apr 2
Filed Apr 3 · 5:30 PM ET ZLABSALE Zai Lab Limited $1.9M
100,000 sh across 2 lots
Exec Mar 6
Filed Mar 10 · 5:30 PM ET ZLABSALE Zai Lab Limited $1.9M
100,000 sh across 3 lots
Exec Mar 4
Filed Mar 6 · 5:30 PM ET ZLABSALE Zai Lab Limited $3.4M
96,387 sh across 2 lots
Exec Aug 12 2025
Filed Aug 14 2025 · 5:30 PM ET