Insidervault
LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0002078454

Fumihide Esaka

53 transactions in one company, from October 7, 2025 to October 15, 2026.

Transactions
531 company
Bought · P
$0open market
Sold · S
$16.6Mopen market
Net
−$16.6Mnet selling

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
Ambiq Micro, Inc.AMBQ53—$16.6M

All transactions

53 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVOct 15MPLAN5,000$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 15SPLAN1,200$51.85$62K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 15SPLAN2,800$51.15$143K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 15SPLAN500$50.02$25K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 15SPLAN500$49.13$25K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 15MPLAN5,000$8.12$41K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 2S862$71.86$62K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 2S8,585$69.77$599K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 2S7,113$69.11$492K
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVSep 15MPLAN13,500$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVSep 11MPLAN30,993$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVSep 11MPLAN19,007$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 15SPLAN100$61.00$6K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 15SPLAN9,615$60.55$582K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 15SPLAN3,785$59.56$225K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 15MPLAN13,500$8.12$110K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 11SPLAN7,917$63.86$506K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 11SPLAN42,083$63.27$2.7M
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 11MPLAN50,000$12.60$630K
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVSep 2MPLAN11,027$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVSep 1MPLAN48,973$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVAug 31MPLAN9,271$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVAug 31MPLAN35,000$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVAug 31MPLAN13,500$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 2SPLAN9,575$56.77$544K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 2SPLAN1,452$56.15$82K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 2MPLAN11,027$12.60$139K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 1SPLAN48,973$56.39$2.8M
Ambiq Micro, Inc.AMBQFumihide EsakaCEOSep 1MPLAN48,973$12.60$617K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31SPLAN5,600$58.46$327K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31SPLAN13,800$57.70$796K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31SPLAN15,600$56.81$886K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31MPLAN44,271$12.60$558K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31SPLAN2,100$58.52$123K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31SPLAN5,501$57.75$318K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31SPLAN5,899$56.87$335K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 31MPLAN13,500$8.12$110K
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVAug 14MPLAN13,500$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 14SPLAN1,500$65.26$98K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 14SPLAN10,718$64.40$690K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 14SPLAN1,282$63.29$81K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOAug 14MPLAN13,500$8.12$110K
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVMay 15M6,601$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVMay 15M7,936$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVMay 15M45,463$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVMay 14M60,000$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEOMay 15M14,537$12.60$183K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOMay 15M45,463$8.12$369K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOMay 14S60,000$70.02$4.2M
Ambiq Micro, Inc.AMBQFumihide EsakaCEOMay 14M60,000$8.12$487K
Ambiq Micro, Inc.AMBQFumihide EsakaCEOMar 6A160,616$0.00—
Ambiq Micro, Inc.AMBQFumihide EsakaCEODERIVOct 7M53,660$0.00—?
Ambiq Micro, Inc.AMBQFumihide EsakaCEOOct 7M53,660$5.88$316K