Esaka Fumihide bought AMBQ
October 15, 2026 · Form 4 insider transaction
Esaka Fumihide bought 5,000 shares of Ambiq Micro, Inc. at $8.12 per share, a transaction worth $40.6K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
5,000
Price
$8.12
Total value
$40.6K
InsiderEsaka Fumihide
RoleOfficer, Director
CompanyAmbiq Micro, Inc. (AMBQ)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 15, 2026
Filing dateOctober 16, 2026
Shares owned after448,900
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 May 15, 2026.