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Data sources

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

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
Corporate insider
CC

Chen Sean Chihhsiang

President and COOCIK 0002078559

EDGAR filingsOpen in network
Disclosed transactions28
Buys / sells0 / 19
Max Insider Score49
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
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

Verified connections

  • Insider ofevidence
    Ambiq Micro, Inc.President and COO · Mar 10, 2026
18
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale · 10b5-1 plan
SELL
$378K
7,539 sh
Oct 14, 2026
Oct 16, 2026
traded Oct 14, 2026
+2d
SEC 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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
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

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

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

23
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise
M$327K
55.7K sh
May 15, 2026May 18, 2026
traded May 15, 2026
+3dSEC FORM 4

Evidence

49
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$1.67M
23.3K sh
May 15, 2026May 18, 2026
traded May 15, 2026
+3dSEC FORM 4

Evidence

9
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Option exercise
M—
55.7K sh
May 15, 2026May 18, 2026
traded May 15, 2026
+3dSEC FORM 4

Evidence

49
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Open-market sale
SELL$2.28M
32.4K sh
May 15, 2026May 18, 2026
traded May 15, 2026
+3dSEC FORM 4

Evidence

21
CC
Chen Sean ChihhsiangPresident and COO
AMBQAmbiq Micro, Inc.
Grant or award
A—
64.2K sh
Mar 6, 2026Mar 10, 2026
traded Mar 6, 2026
+4dSEC FORM 4

Evidence