Esaka Fumihide bought AMBQ
October 7, 2025 · Form 4 insider transaction
Esaka Fumihide bought 53,660 shares of Ambiq Micro, Inc. at $5.88 per share, a transaction worth $315.5K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 126 days after the transaction.
Direction
Acquired (buy-side)
Shares
53,660
Price
$5.88
Total value
$315.5K
InsiderEsaka Fumihide
RoleOfficer, Director
CompanyAmbiq Micro, Inc. (AMBQ)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 7, 2025
Filing dateFebruary 10, 2026
Shares owned after230,573
OwnershipDirect
10b5-1 planNo
AmendedNo