CJ
Chi-Hong Ju (Sr. Vice President, Systems) filed 7 Form 4 reports in the trailing twelve months (0 purchases, 7 sales, 1 filed past the two-business-day deadline), most often in Ambarella, Inc. (AMBA). The largest single filing was $888K of AMBA (10,000 sh × $88.84, as filed), executed Jul 1. 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
7
0 buys · 7 sells · 1 late
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.9M
shares × price, as filed
Last traded
Sep 17
Filed Sep 18
Median ADV $138.9M across their filed names
Open performance→Volume by month
Buys $0
Sells $4.3M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
7 filings
Sector per market data · by filing · past 12 months
Most traded names
AMBARecent filings
AMBASALE
Ambarella, Inc.
View filing →
$102K1,859 sh × $55.11
Exec Mar 6 2025
Filed Mar 7 2025 · 5:30 PM ET AMBASALE Ambarella, Inc. View filing → $387K
5,118 sh across 2 lots
Exec Dec 9 2024
Filed Dec 10 2024 · 5:30 PM ET