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ZHANG KER
InsiderCIK 0001266870
Total Volume
$665.9K
5 filings
Purchases
$0
0 buy txns
Sales
$644.9K
3 sell txns
Net Activity
-$644.9K
net sold
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 5
- Buy transactions
- 0
- Sell transactions
- 3
- Companies
- 1
- Active
- 2025–2026
ZHANG KER accounts for 5 disclosed filings worth $665.9K, all concentrated in Ambiq Micro, Inc. (AMBQ), active 2025–2026. The record is heavily weighted toward selling, with $0 in purchases against $644.9K in sales. Data is sourced from official SEC Form 3, 4, and 5 filings.