Chen Sean Chihhsiang bought AMBQ
September 4, 2026 · Form 4 insider transaction
Chen Sean Chihhsiang bought 15,000 shares of Ambiq Micro, Inc. at $8.12 per share, a transaction worth $121.8K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 5 days after the transaction.
Direction
Acquired (buy-side)
Shares
15,000
Price
$8.12
Total value
$121.8K
InsiderChen Sean Chihhsiang
RoleOfficer
CompanyAmbiq Micro, Inc. (AMBQ)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateSeptember 4, 2026
Filing dateSeptember 9, 2026
Shares owned after135,275
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on June 5, 2026