YD
Insider
Ying Du
Chairperson & CEOYing 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.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
7
0 buys · 7 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$8.5M
shares × price, as filed
Last traded
Jun 30
Filed Jul 1
Median ADV $26.3M across their filed names
Open performance→Volume by month
Buys $0
Sells $29.0M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
7 filings
Sector per market data · by filing · past 12 months
Most traded names
ZLABRecent filings
ZLABSALE
Zai Lab Limited
View filing →
$3.2M94,333 sh across 3 lots
Exec Feb 28 2025
Filed Mar 4 2025 · 5:30 PM ET