YC
Insider
Yun-Lung Chen
VP, Business Development andYun-Lung Chen (VP, Business Development and) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Ambarella, Inc. (AMBA). The largest single filing was $661K of AMBA (9,856 sh × $67.06, as filed), executed Jun 12.
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
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.1M
shares × price, as filed
Last traded
Jul 9
Filed Jul 10
Median ADV $138.9M across their filed names
Open performance→Volume by month
Buys $0
Sells $1.8M
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
AMBARecent filings
AMBASALE
Ambarella, Inc.
View filing →
$469K5,958 sh × $78.66
Exec Jul 9
Filed Jul 10 · 4:55 PM ET AMBASALE Ambarella, Inc. View filing → $661K
9,856 sh × $67.06
Exec Jun 12
Filed Jun 16 · 5:30 PM ET AMBASALE Ambarella, Inc. View filing → $717K
8,492 sh × $84.42
Exec Sep 10 2025
Filed Sep 12 2025 · 5:30 PM ET