LIVE FROM THE DATABASETRANSACTIONS 362,114COMPANIES 5,761LATEST TRADE Oct 16UPDATED Oct 16, 09:12 PM
AMBQCIK 0001500412

Ambiq Micro, Inc.

145 transactions by 10 insiders, from October 7, 2025 to October 15, 2026.

Transactions
14510 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$38.1Mopen market
Net
−$38.1Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Fumihide EsakaCEO5339/53—$16.6M
Scott McLean HansonCTO3716/37—$6.1M
Sean Chihhsiang ChenCOO2419/24—$6.6M
Jeffrey G. WinzelerCFO12——$2.2M
Michele Kim ConnorsGC5——$21K
Timothy ChenDir5——$5.6M
Ker ZhangDir3——$634K
Wen Hsuan HSIEHDir3———
Joseph A. TautgesDir2——$242K
Bernard Bennett BanksDir1———

All transactions

145 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Scott McLean HansonCTODERIVOct 15MPLAN7,000$0.00—?
Scott McLean HansonCTOOct 15SPLAN1,800$51.86$93K
Scott McLean HansonCTOOct 15SPLAN3,700$51.12$189K
Scott McLean HansonCTOOct 15SPLAN900$50.08$45K
Scott McLean HansonCTOOct 15SPLAN600$49.06$29K
Scott McLean HansonCTOOct 15MPLAN7,000$8.12$57K
Fumihide EsakaCEODERIVOct 15MPLAN5,000$0.00—?
Fumihide EsakaCEOOct 15SPLAN1,200$51.85$62K
Fumihide EsakaCEOOct 15SPLAN2,800$51.15$143K
Fumihide EsakaCEOOct 15SPLAN500$50.02$25K
Fumihide EsakaCEOOct 15SPLAN500$49.13$25K
Fumihide EsakaCEOOct 15MPLAN5,000$8.12$41K
Sean Chihhsiang ChenCOODERIVOct 14MPLAN15,000$0.00—?
Sean Chihhsiang ChenCOOOct 14SPLAN200$54.27$11K
Sean Chihhsiang ChenCOOOct 14SPLAN4,000$53.44$214K
Sean Chihhsiang ChenCOOOct 14SPLAN2,000$52.47$105K
Sean Chihhsiang ChenCOOOct 14SPLAN1,261$51.53$65K
Sean Chihhsiang ChenCOOOct 14SPLAN7,539$50.13$378K
Sean Chihhsiang ChenCOOOct 14MPLAN15,000$8.12$122K
Jeffrey G. WinzelerCFOOct 2S284$71.86$20K
Jeffrey G. WinzelerCFOOct 2S2,828$69.77$197K
Jeffrey G. WinzelerCFOOct 2S2,343$69.11$162K
Fumihide EsakaCEOOct 2S862$71.86$62K
Fumihide EsakaCEOOct 2S8,585$69.77$599K
Fumihide EsakaCEOOct 2S7,113$69.11$492K
Scott McLean HansonCTOOct 2S452$71.86$32K
Scott McLean HansonCTOOct 2S4,500$69.77$314K
Scott McLean HansonCTOOct 2S3,728$69.11$258K
Sean Chihhsiang ChenCOOOct 5SPLAN100$69.51$7K
Sean Chihhsiang ChenCOOOct 5SPLAN800$68.08$54K
Sean Chihhsiang ChenCOOOct 5SPLAN1,797$67.29$121K
Sean Chihhsiang ChenCOOOct 5SPLAN5,508$66.38$366K
Sean Chihhsiang ChenCOOOct 2SPLAN302$71.86$22K
Sean Chihhsiang ChenCOOOct 2SPLAN3,008$69.77$210K
Sean Chihhsiang ChenCOOOct 2SPLAN2,492$69.11$172K
Scott McLean HansonCTODERIVSep 15MPLAN7,000$0.00—?
Scott McLean HansonCTOSep 15SPLAN100$61.00$6K
Scott McLean HansonCTOSep 15SPLAN4,947$60.56$300K
Scott McLean HansonCTOSep 15SPLAN1,953$59.53$116K
Scott McLean HansonCTOSep 15MPLAN7,000$8.12$57K
Ker ZhangDirSep 11S900$63.95$58K
Ker ZhangDirSep 11S9,100$63.39$577K
Sean Chihhsiang ChenCOODERIVSep 14MPLAN15,000$0.00—?
Sean Chihhsiang ChenCOOSep 14SPLAN1,400$60.83$85K
Sean Chihhsiang ChenCOOSep 14SPLAN11,000$60.24$663K
Sean Chihhsiang ChenCOOSep 14SPLAN2,600$59.36$154K
Sean Chihhsiang ChenCOOSep 14MPLAN15,000$8.12$122K
Fumihide EsakaCEODERIVSep 15MPLAN13,500$0.00—?
Fumihide EsakaCEODERIVSep 11MPLAN30,993$0.00—?
Fumihide EsakaCEODERIVSep 11MPLAN19,007$0.00—?
Fumihide EsakaCEOSep 15SPLAN100$61.00$6K
Fumihide EsakaCEOSep 15SPLAN9,615$60.55$582K
Fumihide EsakaCEOSep 15SPLAN3,785$59.56$225K
Fumihide EsakaCEOSep 15MPLAN13,500$8.12$110K
Fumihide EsakaCEOSep 11SPLAN7,917$63.86$506K
Fumihide EsakaCEOSep 11SPLAN42,083$63.27$2.7M
Fumihide EsakaCEOSep 11MPLAN50,000$12.60$630K
Fumihide EsakaCEODERIVSep 2MPLAN11,027$0.00—?
Fumihide EsakaCEODERIVSep 1MPLAN48,973$0.00—?
Fumihide EsakaCEODERIVAug 31MPLAN9,271$0.00—?
Fumihide EsakaCEODERIVAug 31MPLAN35,000$0.00—?
Fumihide EsakaCEODERIVAug 31MPLAN13,500$0.00—?
Fumihide EsakaCEOSep 2SPLAN9,575$56.77$544K
Fumihide EsakaCEOSep 2SPLAN1,452$56.15$82K
Fumihide EsakaCEOSep 2MPLAN11,027$12.60$139K
Fumihide EsakaCEOSep 1SPLAN48,973$56.39$2.8M
Fumihide EsakaCEOSep 1MPLAN48,973$12.60$617K
Fumihide EsakaCEOAug 31SPLAN5,600$58.46$327K
Fumihide EsakaCEOAug 31SPLAN13,800$57.70$796K
Fumihide EsakaCEOAug 31SPLAN15,600$56.81$886K
Fumihide EsakaCEOAug 31MPLAN44,271$12.60$558K
Fumihide EsakaCEOAug 31SPLAN2,100$58.52$123K
Fumihide EsakaCEOAug 31SPLAN5,501$57.75$318K
Fumihide EsakaCEOAug 31SPLAN5,899$56.87$335K
Fumihide EsakaCEOAug 31MPLAN13,500$8.12$110K
Scott McLean HansonCTODERIVAug 27M27,500$0.00—?
Scott McLean HansonCTODERIVAug 26M27,500$0.00—?
Scott McLean HansonCTODERIVAug 26M10,000$0.00—?
Scott McLean HansonCTOAug 27S4,910$60.32$296K
Scott McLean HansonCTOAug 27S22,590$59.69$1.3M
Scott McLean HansonCTOAug 27M27,500$8.12$223K
Scott McLean HansonCTOAug 26S27,500$59.58$1.6M
Scott McLean HansonCTOAug 26M27,500$8.12$223K
Scott McLean HansonCTOAug 26M10,000$8.12$81K
Fumihide EsakaCEODERIVAug 14MPLAN13,500$0.00—?
Fumihide EsakaCEOAug 14SPLAN1,500$65.26$98K
Fumihide EsakaCEOAug 14SPLAN10,718$64.40$690K
Fumihide EsakaCEOAug 14SPLAN1,282$63.29$81K
Fumihide EsakaCEOAug 14MPLAN13,500$8.12$110K
Scott McLean HansonCTODERIVAug 14MPLAN7,000$0.00—?
Scott McLean HansonCTOAug 14SPLAN800$65.30$52K
Scott McLean HansonCTOAug 14SPLAN5,400$64.41$348K
Scott McLean HansonCTOAug 14SPLAN800$63.26$51K
Scott McLean HansonCTOAug 14MPLAN7,000$8.12$57K
Bernard Bennett BanksDirJun 8A4,957$0.00—
Wen Hsuan HSIEHDirJun 8A4,957$0.00—
Timothy ChenDirJun 8A4,957$0.00—
Joseph A. TautgesDirJun 8A4,957$0.00—
Ker ZhangDirJun 8A4,957$0.00—
Jeffrey G. WinzelerCFODERIVJun 2M5,952$0.00—?
Jeffrey G. WinzelerCFOJun 2M5,952$16.80$100K
Timothy ChenDirMay 27S3,264$81.57$266K
Timothy ChenDirMay 27S20,666$80.61$1.7M
Timothy ChenDirMay 27S24,248$79.72$1.9M
Timothy ChenDirMay 27S22,414$78.85$1.8M
Sean Chihhsiang ChenCOODERIVMay 15M55,685$0.00—?
Sean Chihhsiang ChenCOOMay 15S23,334$71.37$1.7M
Sean Chihhsiang ChenCOOMay 15S32,351$70.53$2.3M
Sean Chihhsiang ChenCOOMay 15M55,685$5.88$327K
Fumihide EsakaCEODERIVMay 15M6,601$0.00—?
Fumihide EsakaCEODERIVMay 15M7,936$0.00—?
Fumihide EsakaCEODERIVMay 15M45,463$0.00—?
Fumihide EsakaCEODERIVMay 14M60,000$0.00—?
Fumihide EsakaCEOMay 15M14,537$12.60$183K
Fumihide EsakaCEOMay 15M45,463$8.12$369K
Fumihide EsakaCEOMay 14S60,000$70.02$4.2M
Fumihide EsakaCEOMay 14M60,000$8.12$487K
Scott McLean HansonCTODERIVMay 15M8,100$0.00—?
Scott McLean HansonCTODERIVMay 14M10,200$0.00—?
Scott McLean HansonCTOMay 15M8,100$8.12$66K
Scott McLean HansonCTOMay 14S200$70.50$14K
Scott McLean HansonCTOMay 14S6,100$69.59$425K
Scott McLean HansonCTOMay 14S3,900$68.62$268K
Scott McLean HansonCTOMay 14M10,200$8.12$83K
Jeffrey G. WinzelerCFODERIVMay 15M5,952$0.00—?
Jeffrey G. WinzelerCFODERIVMay 14M26,000$0.00—?
Jeffrey G. WinzelerCFOMay 15M5,952$16.80$100K
Jeffrey G. WinzelerCFOMay 14S82$70.65$6K
Jeffrey G. WinzelerCFOMay 14S25,918$69.90$1.8M
Jeffrey G. WinzelerCFOMay 14M26,000$16.80$437K
Michele Kim ConnorsGCApr 2S151$26.65$4K
Michele Kim ConnorsGCApr 2S660$26.04$17K
Michele Kim ConnorsGCMar 6A32,123$0.00—
Sean Chihhsiang ChenCOOMar 6A64,246$0.00—
Fumihide EsakaCEOMar 6A160,616$0.00—
Scott McLean HansonCTOMar 6A80,308$0.00—
Jeffrey G. WinzelerCFOMar 6A41,728$0.00—
Wen Hsuan HSIEHDirDERIVFeb 18M238,931$0.00—?
Wen Hsuan HSIEHDirFeb 18M238,931$12.60$3.0M
Fumihide EsakaCEODERIVOct 7M53,660$0.00—?
Fumihide EsakaCEOOct 7M53,660$5.88$316K
Scott McLean HansonCTOJan 26S10,000$31.00$310K
Joseph A. TautgesDirJan 26S7,800$31.00$242K
Michele Kim ConnorsGCJan 5A5,483$0.00—
Michele Kim ConnorsGCJan 5A23,759$0.00—