ZHANG KER
Corporate insiderDirectorOpen-market Form 4 activity · 11 Sept 2026 – 11 Sept 2026
Transactions
2
0 buys · 2 sells
Bought
$0
Open-market purchases
Sold
$634K
Open-market sales
★ Trade spotlightAMBQAmbiq Micro, Inc.The latest-traded stock and its 1Y chart are free All transactions
2 trades in the recent window · 1 grouped rows2 trades · latest 11 Sept 2026— / $634K