Skip to content
Whale Atlas — Follow the signal.
Home
FULL RECORDS
Search insider filingsAll Congress filings
MORE TOOLS
WatchlistGold IntelligencePeopleCharts & technicalsCompany financialsOfficial newsMy saved workspace
YOUR RESEARCH
HomeSearch insider filingsAll Congress filings
More research tools
ExploreGold IntelligencePeopleInvestigate an ideaCharts & technicalsMore evidenceCompany financialsOfficial newsMy research & helpWatchlistMy saved workspaceLearn the basicsHow signals workData & coverage
RESOURCES
LearnMethodologyData sources
Built on public evidence.

Primary sources. Clear reasoning.
No black boxes.

Our approach
Public research workspacev1.0

Loading data…Scanning SEC filings…Checking Congress reports…Following the signal…

HomeSearchCongressWatchlist
© 2026 Whale AtlasFree public-filing research. Not financial advice. By using this site you agree to the Terms of Use.
FAQCompare trackersMethodologyData & correctionsTermsPrivacy
Back to Home
A

AMBQ

NYSE

Ambiq Micro, Inc.

Latest disclosureOctober 6, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 64 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 127

Limited filing history
All127Buying0Selling64Other63
Filters

Last 30 daysNo qualifying insider buying. Sales: $9.9M by 5 insiders.

64 of 127 trades · July 31, 2025 – October 5, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Sale disclosed

Jeffrey G. Winzeler

Chief Financial Officer

Common Stock

Reported value
$161.92K
Reported price
$69.1083 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Jeffrey G. Winzeler

Chief Financial Officer

Common Stock

Reported value
$197.32K
Reported price
$69.7722 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Jeffrey G. Winzeler

Chief Financial Officer

Common Stock

Reported value
$20.41K
Reported price
$71.8592 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Fumihide Esaka

Chief Executive Officer

Common Stock

Reported value
$491.57K
Reported price
$69.1083 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Fumihide Esaka

Chief Executive Officer

Common Stock

Reported value
$598.99K
Reported price
$69.7722 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Fumihide Esaka

Chief Executive Officer

Common Stock

Reported value
$61.94K
Reported price
$71.8592 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Scott McLean Hanson

Chief Technology Officer

Common Stock

Reported value
$257.64K
Reported price
$69.1083 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Scott McLean Hanson

Chief Technology Officer

Common Stock

Reported value
$313.97K
Reported price
$69.7722 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Scott McLean Hanson

Chief Technology Officer

Common Stock

Reported value
$32.48K
Reported price
$71.8592 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Sean Chihhsiang Chen

President and COO

Common Stock

Reported value
$172.22K
Reported price
$69.1083 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Sean Chihhsiang Chen

President and COO

Common Stock

Reported value
$209.87K
Reported price
$69.7722 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Sean Chihhsiang Chen

President and COO

Common Stock

Reported value
$21.7K
Reported price
$71.8592 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Sean Chihhsiang Chen

President and COO

Common Stock

Reported value
$365.63K
Reported price
$66.3808 / share
Traded October 5, 2026Filed October 6, 2026SEC filing
Sale disclosed

Sean Chihhsiang Chen

President and COO

Common Stock

Reported value
$120.91K
Reported price
$67.2861 / share
Traded October 5, 2026Filed October 6, 2026SEC filing
Sale disclosed

Sean Chihhsiang Chen

President and COO

Common Stock

Reported value
$54.46K
Reported price
$68.0757 / share
Traded October 5, 2026Filed October 6, 2026SEC filing
Sale disclosed

Sean Chihhsiang Chen

President and COO

Common Stock

Reported value
$6.95K
Reported price
$69.51 / share
Traded October 5, 2026Filed October 6, 2026SEC filing
Sale disclosed

Scott McLean Hanson

Chief Technology Officer

Common Stock

Reported value
$116.27K
Reported price
$59.5339 / share
Traded September 15, 2026Filed September 17, 2026SEC filing
Sale disclosed

Scott McLean Hanson

Chief Technology Officer

Common Stock

Reported value
$299.57K
Reported price
$60.5564 / share
Traded September 15, 2026Filed September 17, 2026SEC filing
Sale disclosed

Scott McLean Hanson

Chief Technology Officer

Common Stock

Reported value
$6.1K
Reported price
$61.00 / share
Traded September 15, 2026Filed September 17, 2026SEC filing
Sale disclosed

Ker Zhang

Director

Common Stock

Reported value
$576.81K
Reported price
$63.3856 / share
Traded September 11, 2026Filed September 15, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
Chief Financial OfficerCommon StockSale3 trades5,455avg $69.60 / share$379.64KOct 2Filed Oct 6 · 4d later
3 filings
  • 2,343 @ $69.11 · $161.92KSEC filing
  • 2,828 @ $69.77 · $197.32KSEC filing
  • 284 @ $71.86 · $20.41KSEC filing
Chief Executive OfficerCommon StockSale3 trades16,560avg $69.60 / share$1.15MOct 2Filed Oct 6 · 4d later
3 filings
  • 7,113 @ $69.11 · $491.57KSEC filing
  • 8,585 @ $69.77 · $598.99KSEC filing
  • 862 @ $71.86 · $61.94KSEC filing
Chief Technology OfficerCommon StockSale3 trades8,680avg $69.60 / share$604.09KOct 2Filed Oct 6 · 4d later
3 filings
  • 3,728 @ $69.11 · $257.64KSEC filing
  • 4,500 @ $69.77 · $313.97KSEC filing
  • 452 @ $71.86 · $32.48KSEC filing
President and COOCommon StockSale10b5-13 trades5,802avg $69.60 / share$403.79KOct 2Filed Oct 6 · 4d later
3 filings
  • 2,492 @ $69.11 · $172.22KSEC filing
  • 3,008 @ $69.77 · $209.87KSEC filing
  • 302 @ $71.86 · $21.7KSEC filing
President and COOCommon StockSale10b5-14 trades8,205avg $66.78 / share$547.95KOct 5Filed Oct 6 · 1d later
4 filings
  • 5,508 @ $66.38 · $365.63KSEC filing
  • 1,797 @ $67.29 · $120.91KSEC filing
  • 800 @ $68.08 · $54.46KSEC filing
  • 100 @ $69.51 · $6.95KSEC filing
Chief Technology OfficerCommon StockSale10b5-13 trades7,000avg $60.28 / share$421.94KSep 15Filed Sep 17 · 2d later
3 filings
  • 1,953 @ $59.53 · $116.27KSEC filing
  • 4,947 @ $60.56 · $299.57KSEC filing
  • 100 @ $61.00 · $6.1KSEC filing
DirectorCommon StockSale9,100$63.39 / share$576.81KSep 11Filed Sep 15 · 4d laterSEC filing

Showing the latest 20 of 64 trades. Show all 64 trades

Congress transactions 0

All Congress filings
No disclosed congressional trades for AMBQ in the imported filings.

This reflects the filings imported so far, not a complete trading history.

Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0001500412
Latest public acceptance
Oct 7, 2026, 12:16 AM UTC
Score calculated
Oct 7, 2026, 12:19 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.