INSIDER
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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
Public company

AMBQAmbiq Micro, Inc.

CIK 0001500412

EDGAR filingsOpen in network
Disclosed transactions60
Buys / sells0 / 42
Max Insider Score30
Connections8with evidence

AMBQ · disclosed activity on price

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
8
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$25K
500 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

Verified connections

  • In industryevidence
    Telecommunications & technologySEC SIC 3674 · Semiconductors & Related Devices · Nov 4, 2026
  • ← Insider ofevidence
    HSIEH Wen HsuanDirector · Jun 10, 2026
  • ← Insider ofevidence
    Banks Bernard BennettDirector · Jun 10, 2026
  • ← Insider ofevidence
    Chen TimothyDirector · May 29, 2026
0
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M
$57K
7,000 sh
Oct 15, 2026
Oct 16, 2026
traded Oct 15, 2026
+1d
SEC FORM 4

Evidence

11
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$214K
4,000 sh
Oct 14, 2026Oct 16, 2026
traded Oct 14, 2026
+2dSEC FORM 4

Evidence

11
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$189K
3,700 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

0
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
7,000 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

0
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
5,000 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

0
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
15.0K sh
Oct 14, 2026Oct 16, 2026
traded Oct 14, 2026
+2dSEC FORM 4

Evidence

11
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$93K
1,800 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

11
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$62K
1,200 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

18
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$378K
7,539 sh
Oct 14, 2026Oct 16, 2026
traded Oct 14, 2026
+2dSEC FORM 4

Evidence

11
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$143K
2,800 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

8
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$11K
200 sh
Oct 14, 2026Oct 16, 2026
traded Oct 14, 2026
+2dSEC FORM 4

Evidence

11
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$105K
2,000 sh
Oct 14, 2026Oct 16, 2026
traded Oct 14, 2026
+2dSEC FORM 4

Evidence

8
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$25K
500 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

0
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$122K
15.0K sh
Oct 14, 2026Oct 16, 2026
traded Oct 14, 2026
+2dSEC FORM 4

Evidence

0
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$41K
5,000 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

8
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$29K
600 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

11
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$65K
1,261 sh
Oct 14, 2026Oct 16, 2026
traded Oct 14, 2026
+2dSEC FORM 4

Evidence

8
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$45K
900 sh
Oct 15, 2026Oct 16, 2026
traded Oct 15, 2026
+1dSEC FORM 4

Evidence

11
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$54K
800 sh
Oct 5, 2026Oct 6, 2026
traded Oct 5, 2026
+1dSEC FORM 4

Evidence

27
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$62K
862 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

30
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$492K
7,113 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

14
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$366K
5,508 sh
Oct 5, 2026Oct 6, 2026
traded Oct 5, 2026
+1dSEC FORM 4

Evidence

30
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$599K
8,585 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

24
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$32K
452 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

8
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$6,951
100 sh
Oct 5, 2026Oct 6, 2026
traded Oct 5, 2026
+1dSEC FORM 4

Evidence

11
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$172K
2,492 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

11
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$210K
3,008 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

8
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$22K
302 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

11
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$121K
1,797 sh
Oct 5, 2026Oct 6, 2026
traded Oct 5, 2026
+1dSEC FORM 4

Evidence

30
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$258K
3,728 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

30
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$314K
4,500 sh
Oct 2, 2026Oct 6, 2026
traded Oct 2, 2026
+4dSEC FORM 4

Evidence

0
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$57K
7,000 sh
Sep 15, 2026Sep 17, 2026
traded Sep 15, 2026
+2dSEC FORM 4

Evidence

0
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
7,000 sh
Sep 15, 2026Sep 17, 2026
traded Sep 15, 2026
+2dSEC FORM 4

Evidence

8
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$6,100
100 sh
Sep 15, 2026Sep 17, 2026
traded Sep 15, 2026
+2dSEC FORM 4

Evidence

14
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$300K
4,947 sh
Sep 15, 2026Sep 17, 2026
traded Sep 15, 2026
+2dSEC FORM 4

Evidence

11
HM
Hanson Scott McLeanDirector, Chief Technology Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$116K
1,953 sh
Sep 15, 2026Sep 17, 2026
traded Sep 15, 2026
+2dSEC FORM 4

Evidence

21
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$663K
11.0K sh
Sep 14, 2026Sep 15, 2026
traded Sep 14, 2026
+1dSEC FORM 4

Evidence

14
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$154K
2,600 sh
Sep 14, 2026Sep 15, 2026
traded Sep 14, 2026
+1dSEC FORM 4

Evidence

2
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$630K
50.0K sh
Sep 11, 2026Sep 15, 2026
traded Sep 11, 2026
+4dSEC FORM 4

Evidence

0
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
15.0K sh
Sep 14, 2026Sep 15, 2026
traded Sep 14, 2026
+1dSEC FORM 4

Evidence

21
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$2.66M
42.1K sh
Sep 11, 2026Sep 15, 2026
traded Sep 11, 2026
+4dSEC FORM 4

Evidence

14
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$85K
1,400 sh
Sep 14, 2026Sep 15, 2026
traded Sep 14, 2026
+1dSEC FORM 4

Evidence

0
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
13.5K sh
Sep 15, 2026Sep 15, 2026
traded Sep 15, 2026
+0dSEC FORM 4

Evidence

0
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
31.0K sh
Sep 11, 2026Sep 15, 2026
traded Sep 11, 2026
+4dSEC FORM 4

Evidence

14
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$582K
9,615 sh
Sep 15, 2026Sep 15, 2026
traded Sep 15, 2026
+0dSEC FORM 4

Evidence

8
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$6,100
100 sh
Sep 15, 2026Sep 15, 2026
traded Sep 15, 2026
+0dSEC FORM 4

Evidence

0
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
19.0K sh
Sep 11, 2026Sep 15, 2026
traded Sep 11, 2026
+4dSEC FORM 4

Evidence

2
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$122K
15.0K sh
Sep 14, 2026Sep 15, 2026
traded Sep 14, 2026
+1dSEC FORM 4

Evidence

14
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$506K
7,917 sh
Sep 11, 2026Sep 15, 2026
traded Sep 11, 2026
+4dSEC FORM 4

Evidence

0
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$110K
13.5K sh
Sep 15, 2026Sep 15, 2026
traded Sep 15, 2026
+0dSEC FORM 4

Evidence

11
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$225K
3,785 sh
Sep 15, 2026Sep 15, 2026
traded Sep 15, 2026
+0dSEC FORM 4

Evidence

20
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$123K
2,126 sh
Sep 4, 2026Sep 9, 2026
traded Sep 4, 2026
+5dSEC FORM 4

Evidence

5
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M—
15.0K sh
Sep 4, 2026Sep 9, 2026
traded Sep 4, 2026
+5dSEC FORM 4

Evidence

8
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$122K
15.0K sh
Sep 4, 2026Sep 9, 2026
traded Sep 4, 2026
+5dSEC FORM 4

Evidence

27
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$735K
12.9K sh
Sep 4, 2026Sep 9, 2026
traded Sep 4, 2026
+5dSEC FORM 4

Evidence

17
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$318K
5,501 sh
Aug 31, 2026Sep 2, 2026
traded Aug 31, 2026
+2dSEC FORM 4

Evidence

0
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Option exercise · 10b5-1 plan
M$110K
13.5K sh
Aug 31, 2026Sep 2, 2026
traded Aug 31, 2026
+2dSEC FORM 4

Evidence

17
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$335K
5,899 sh
Aug 31, 2026Sep 2, 2026
traded Aug 31, 2026
+2dSEC FORM 4

Evidence

14
EF
Esaka FumihideDirector, Chief Executive Officer
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL$123K
2,100 sh
Aug 31, 2026Sep 2, 2026
traded Aug 31, 2026
+2dSEC FORM 4

Evidence

← Insider ofevidence
Chen Sean Chihhsiang
President and COO · Mar 10, 2026
  • ← Insider ofevidence
    Esaka FumihideDirector, Chief Executive Officer · Feb 10, 2026
  • ← Insider ofevidence
    Hanson Scott McLeanDirector, Chief Technology Officer · Jan 28, 2026
  • ← Insider ofevidence
    Connors Michele KimGeneral Counsel · Jan 7, 2026