ZS
Zheng John Shen (Director) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Vicor Corporation (VICR). The largest single filing was $440K of VICR (2,503 sh across 2 lots, as filed), executed Feb 23. Data as of Nov 8 2026.
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
2
0 buys · 2 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$691K
shares × price, as filed
Last traded
Mar 4
Filed Mar 5
Median ADV $209.5M across their filed names
Open performance→Volume by month
Buys $0
Sells $691K
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
2 filings
Sector per market data · by filing · past 12 months
Most traded names
VICRRecent filings
VICRSALE
Vicor Corporation
View filing →
$250K1,217 sh × $205.75
Exec Mar 4
Filed Mar 5 · 5:30 PM ET VICRSALE Vicor Corporation View filing → $440K
2,503 sh across 2 lots
Exec Feb 23
Filed Feb 24 · 5:30 PM ET