Paydirt
FW
Insider

Feng-Ming Wang

CEO

Feng-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.

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Return, 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
$4.4M$2.2M$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $324KMar 2025 · sells $402KJun 2025 · sells $244KSep 2025 · sells $391KDec 2025 · sells $356KMar 2026 · sells $4.4MMay 2026 · sells $3.0MJun 2026 · sells $421KJul 2026 · sells $1.5MSep 2026 · sells $395K
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
AMBA Ambarella, Inc. AMBA · 0 buys · 12 sells 12 filings
Recent filings
AMBASALE Ambarella, Inc. View filing → $395K
6,086 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 →