ZHANG KER sold AMBQ
September 11, 2026 · Form 4 insider transaction
ZHANG KER sold 9,100 shares of Ambiq Micro, Inc. at $63.39 per share, a transaction worth $576.8K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
9,100
Price
$63.39
Total value
$576.8K
InsiderZHANG KER
RoleDirector
CompanyAmbiq Micro, Inc. (AMBQ)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 11, 2026
Filing dateSeptember 15, 2026
Shares owned after21,266
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $62.85 to $63.84 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.