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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.

63 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.

Exercise or conversion

Scott McLean Hanson

Chief Technology Officer

Common Stock

Value context
$56.84K
Reported price
$8.12 / share
Traded September 15, 2026Filed September 17, 2026SEC filing
Exercise or conversion

Scott McLean Hanson

Chief Technology Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$8.12 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded September 15, 2026Filed September 17, 2026SEC filing
Exercise or conversion

Sean Chihhsiang Chen

President and COO

Common Stock

Value context
$121.8K
Reported price
$8.12 / share
Traded September 14, 2026Filed September 15, 2026SEC filing
Exercise or conversion

Sean Chihhsiang Chen

President and COO

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$8.12 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded September 14, 2026Filed September 15, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Common Stock

Value context
$630K
Reported price
$12.60 / share
Traded September 11, 2026Filed September 15, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Common Stock

Value context
$109.62K
Reported price
$8.12 / share
Traded September 15, 2026Filed September 15, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$12.60 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded September 11, 2026Filed September 15, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$12.60 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded September 11, 2026Filed September 15, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$8.12 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded September 15, 2026Filed September 15, 2026SEC filing
Exercise or conversion

Sean Chihhsiang Chen

President and COO

Common Stock

Value context
$121.8K
Reported price
$8.12 / share
Traded September 4, 2026Filed September 9, 2026SEC filing
Exercise or conversion

Sean Chihhsiang Chen

President and COO

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$8.12 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded September 4, 2026Filed September 9, 2026SEC filing
Exercise or conversion

Ker Zhang

Director

Common Stock

Value context
$10.5K
Reported price
$5.88 / share
Traded September 4, 2026Filed September 9, 2026SEC filing
Exercise or conversion

Ker Zhang

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$5.88 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded September 4, 2026Filed September 9, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Common Stock

Value context
$109.62K
Reported price
$8.12 / share
Traded August 31, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Common Stock

Value context
$557.81K
Reported price
$12.60 / share
Traded August 31, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Common Stock

Value context
$617.06K
Reported price
$12.60 / share
Traded September 1, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Common Stock

Value context
$138.94K
Reported price
$12.60 / share
Traded September 2, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$8.12 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 31, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$12.60 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 31, 2026Filed September 2, 2026SEC filing
Exercise or conversion

Fumihide Esaka

Chief Executive Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$12.60 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 31, 2026Filed September 2, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
Chief Technology OfficerCommon StockOption exercise or conversion10b5-17,000$8.12 / share$56.84KSep 15Filed Sep 17 · 2d laterSEC filing
Chief Technology OfficerStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units7,000$8.12 exercise / conversion priceNot a separate purchaseSep 15Filed Sep 17 · 2d laterSEC filing
President and COOCommon StockOption exercise or conversion10b5-115,000$8.12 / share$121.8KSep 14Filed Sep 15 · 1d laterSEC filing
President and COOStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units15,000$8.12 exercise / conversion priceNot a separate purchaseSep 14Filed Sep 15 · 1d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion10b5-150,000$12.60 / share$630KSep 11Filed Sep 15 · 4d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion10b5-113,500$8.12 / share$109.62KSep 15Filed Sep 15 · 0d laterSEC filing
Chief Executive OfficerStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units19,007$12.60 exercise / conversion priceNot a separate purchaseSep 11Filed Sep 15 · 4d laterSEC filing
Chief Executive OfficerStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units30,993$12.60 exercise / conversion priceNot a separate purchaseSep 11Filed Sep 15 · 4d laterSEC filing
Chief Executive OfficerStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units13,500$8.12 exercise / conversion priceNot a separate purchaseSep 15Filed Sep 15 · 0d laterSEC filing
President and COOCommon StockOption exercise or conversion10b5-115,000$8.12 / share$121.8KSep 4Filed Sep 9 · 5d laterSEC filing
President and COOStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units15,000$8.12 exercise / conversion priceNot a separate purchaseSep 4Filed Sep 9 · 5d laterSEC filing
DirectorCommon StockOption exercise or conversion1,785$5.88 / share$10.5KSep 4Filed Sep 9 · 5d laterSEC filing
DirectorStock Option (Right to Buy)Option exercise or conversionDerivative units1,785$5.88 exercise / conversion priceNot a separate purchaseSep 4Filed Sep 9 · 5d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion10b5-113,500$8.12 / share$109.62KAug 31Filed Sep 2 · 2d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion10b5-144,271$12.60 / share$557.81KAug 31Filed Sep 2 · 2d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion10b5-148,973$12.60 / share$617.06KSep 1Filed Sep 2 · 1d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion10b5-111,027$12.60 / share$138.94KSep 2Filed Sep 2 · 0d laterSEC filing
Chief Executive OfficerStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units13,500$8.12 exercise / conversion priceNot a separate purchaseAug 31Filed Sep 2 · 2d laterSEC filing
Chief Executive OfficerStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units35,000$12.60 exercise / conversion priceNot a separate purchaseAug 31Filed Sep 2 · 2d laterSEC filing
Chief Executive OfficerStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units9,271$12.60 exercise / conversion priceNot a separate purchaseAug 31Filed Sep 2 · 2d laterSEC filing

Showing the latest 20 of 63 trades. Show all 63 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.