HSIEH Wen Hsuan bought AMBQ
February 18, 2026 · Form 4 insider transaction
HSIEH Wen Hsuan bought 238,931 shares of Ambiq Micro, Inc. at $12.60 per share, a transaction worth $3.01M. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
238,931
Price
$12.60
Total value
$3.01M
InsiderHSIEH Wen Hsuan
RoleDirector
CompanyAmbiq Micro, Inc. (AMBQ)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateFebruary 18, 2026
Filing dateFebruary 20, 2026
Shares owned after633,920
OwnershipIndirect
10b5-1 planNo
AmendedNo
Footnotes
The Reporting Person exercises sole voting and dispositive control over the shares held by Matter Venture Partners Fund I, L.P.