Chen Sean Chihhsiang bought AMBQ
May 15, 2026 · Form 4 insider transaction
Chen Sean Chihhsiang bought 55,685 shares of Ambiq Micro, Inc. at $5.88 per share, a transaction worth $327.4K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Acquired (buy-side)
Shares
55,685
Price
$5.88
Total value
$327.4K
InsiderChen Sean Chihhsiang
RoleOfficer
CompanyAmbiq Micro, Inc. (AMBQ)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMay 15, 2026
Filing dateMay 18, 2026
Shares owned after175,960
OwnershipDirect
10b5-1 planNo
AmendedNo