FW
Insider
Feng-Ming Wang
CEOFeng-Ming Wang (CEO) filed 7 Form 4 reports in the trailing twelve months (0 purchases, 7 sales), most often in Ambarella, Inc. (AMBA). The largest single filing was $3.0M of AMBA (49,000 sh across 4 lots, as filed), executed Mar 2.
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
$10.0M
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 $11.4M
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 →
$395K6,086 sh × $64.83
Exec Sep 17
Filed Sep 18 · 4:51 PM ET AMBASALE Ambarella, Inc. View filing → $1.5M
16,250 sh × $90.08
Exec Jul 1
Filed Jul 2 · 4:57 PM ET AMBASALE Ambarella, Inc. View filing → $421K
6,204 sh × $67.87
Exec Jun 17
Filed Jun 18 · 5:30 PM ET AMBASALE Ambarella, Inc. View filing → $3.0M
32,500 sh across 3 lots
Exec May 26
Filed May 28 · 5:30 PM ET AMBASALE Ambarella, Inc. View filing → $1.4M
27,059 sh across 2 lots
Exec Mar 17
Filed Mar 19 · 5:30 PM ET AMBASALE Ambarella, Inc. View filing → $3.0M
49,000 sh across 4 lots
Exec Mar 2
Filed Mar 4 · 5:30 PM ET AMBASALE Ambarella, Inc. View filing → $356K
4,950 sh × $71.82
Exec Dec 17 2025
Filed Dec 19 2025 · 5:30 PM ET AMBASALE Ambarella, Inc. View filing → $391K
4,928 sh × $79.43
Exec Sep 17 2025
Filed Sep 19 2025 · 5:30 PM ET More filings →