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KZ
Insider

Ker Zhang

Director

Ker Zhang (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Ambiq Micro, Inc. (AMBQ). The largest single filing was $577K of AMBQ (9,100 sh × $63.39, as filed), executed Sep 11.

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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
1
0 buys · 1 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$577K
shares × price, as filed
Last traded
Sep 11
Filed Sep 15

Median ADV $40.3M across their filed names

Open performance
Volume by month
$577K$288K$0Oct 2024Apr 2025Oct 2025Apr 2026Sep 2026 · sells $577K
Buys $0 Sells $577K

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Technology 1 filing

Sector per market data · by filing · past 12 months

Most traded names
AMBQ Ambiq Micro, Inc. AMBQ · 0 buys · 1 sell 1 filing
Recent filings
AMBQSALE Ambiq Micro, Inc. View filing → $577K
9,100 sh × $63.39
Exec Sep 11
Filed Sep 15 · 6:58 PM ET