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AMBQ insider trading — Ambiq Micro, Inc.

Over the last 90 days, insiders at Ambiq Micro, Inc. (AMBQ) made 0 open-market purchases worth $0 and 7 open-market sales worth $6.06M, making them net sellers by $6.06M. The largest sale was by Hanson Scott Mclean (Chief Technology Officer), who sold 27,500 shares for $1.64M on Aug 27, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$0
Insider selling · 90d
$6.06M
Net · 90d
−$6.06M
Last 30 days
0B / 3S

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Recent AMBQ insider transactions

Every Form 4 filed by Ambiq Micro, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Oct 15, 2026Hanson Scott McleanChief Technology OfficerM · Option exercise · 10b5-1Direct7,000$8.12$57KForm 4
Oct 15, 2026Hanson Scott McleanChief Technology OfficerS · Sale · 10b5-1Direct7,000$51.00$357KForm 4
Oct 15, 2026Esaka FumihideChief Executive OfficerM · Option exercise · 10b5-1Direct5,000$8.12$41KForm 4
Oct 15, 2026Esaka FumihideChief Executive OfficerS · Sale · 10b5-1Direct5,000$51.00$255KForm 4
Oct 14, 2026Chen Sean ChihhsiangPresident and COOM · Option exercise · 10b5-1Direct15,000$8.12$122KForm 4
Oct 14, 2026Chen Sean ChihhsiangPresident and COOS · Sale · 10b5-1Direct15,000$51.50$772KForm 4
Oct 2, 2026Winzeler Jeffrey GChief Financial OfficerS · SaleDirect5,455$69.60$380KForm 4
Oct 2, 2026Esaka FumihideChief Executive OfficerS · SaleDirect16,560$69.60$1.15MForm 4
Oct 2, 2026Hanson Scott McleanChief Technology OfficerS · SaleDirect8,680$69.60$604KForm 4
Oct 5, 2026Chen Sean ChihhsiangPresident and COOS · Sale · 10b5-1Direct8,205$66.78$548KForm 4
Oct 2, 2026Chen Sean ChihhsiangPresident and COOS · Sale · 10b5-1Direct5,802$69.60$404KForm 4
Sep 15, 2026Hanson Scott McleanChief Technology OfficerM · Option exercise · 10b5-1Direct7,000$8.12$57KForm 4
Sep 15, 2026Hanson Scott McleanChief Technology OfficerS · Sale · 10b5-1Direct7,000$60.28$422KForm 4
Sep 11, 2026Zhang KerDirectorS · SaleDirect10,000$63.44$634KForm 4
Sep 14, 2026Chen Sean ChihhsiangPresident and COOM · Option exercise · 10b5-1Direct15,000$8.12$122KForm 4
Sep 14, 2026Chen Sean ChihhsiangPresident and COOS · Sale · 10b5-1Direct15,000$60.14$902KForm 4
Sep 15, 2026Esaka FumihideChief Executive OfficerM · Option exercise · 10b5-1Direct13,500$8.12$110KForm 4
Sep 15, 2026Esaka FumihideChief Executive OfficerS · Sale · 10b5-1Direct13,500$60.28$814KForm 4
Sep 11, 2026Esaka FumihideChief Executive OfficerM · Option exercise · 10b5-1Direct50,000$12.60$630KForm 4
Sep 11, 2026Esaka FumihideChief Executive OfficerS · Sale · 10b5-1Direct50,000$63.36$3.17MForm 4
Sep 4, 2026Chen Sean ChihhsiangPresident and COOM · Option exercise · 10b5-1Direct15,000$8.12$122KForm 4
Sep 4, 2026Chen Sean ChihhsiangPresident and COOS · Sale · 10b5-1Direct15,000$57.17$858KForm 4
Sep 4, 2026Zhang KerDirectorM · Option exerciseDirect1,785$5.88$10KForm 4
Sep 4, 2026Zhang KerDirectorS · SaleDirect185$56.92$11KForm 4
Sep 2, 2026Esaka FumihideChief Executive OfficerM · Option exercise · 10b5-1Direct11,027$12.60$139KForm 4
Sep 2, 2026Esaka FumihideChief Executive OfficerS · Sale · 10b5-1Direct11,027$56.69$625KForm 4
Sep 1, 2026Esaka FumihideChief Executive OfficerM · Option exercise · 10b5-1Direct48,973$12.60$617KForm 4
Sep 1, 2026Esaka FumihideChief Executive OfficerS · Sale · 10b5-1Direct48,973$56.39$2.76MForm 4
Aug 31, 2026Esaka FumihideChief Executive OfficerM · Option exercise · 10b5-1Direct57,771$11.55$667KForm 4
Aug 31, 2026Esaka FumihideChief Executive OfficerS · Sale · 10b5-1Direct48,500$57.44$2.79MForm 4
Aug 27, 2026Hanson Scott McleanChief Technology OfficerM · Option exerciseDirect27,500$8.12$223KForm 4
Aug 27, 2026Hanson Scott McleanChief Technology OfficerS · SaleDirect27,500$59.80$1.64MForm 4
Aug 26, 2026Hanson Scott McleanChief Technology OfficerM · Option exerciseDirect37,500$8.12$304KForm 4
Aug 26, 2026Hanson Scott McleanChief Technology OfficerS · SaleDirect27,500$59.58$1.64MForm 4
Aug 14, 2026Hanson Scott McleanChief Technology OfficerM · Option exercise · 10b5-1Direct7,000$8.12$57KForm 4
Aug 14, 2026Hanson Scott McleanChief Technology OfficerS · Sale · 10b5-1Direct7,000$64.38$451KForm 4
Aug 14, 2026Esaka FumihideChief Executive OfficerM · Option exercise · 10b5-1Direct13,500$8.12$110KForm 4
Aug 14, 2026Esaka FumihideChief Executive OfficerS · Sale · 10b5-1Direct13,500$64.39$869KForm 4

AMBQ insider trading FAQ

Are insiders buying AMBQ stock?

Not on the open market. In the last 90 days, Ambiq Micro, Inc. insiders made no open-market purchases, and 7 open-market sales totaling $6.06M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading AMBQ?

Recent sellers: Esaka Fumihide, Hanson Scott Mclean, Winzeler Jeffrey G, Zhang Ker.

Where does AMBQ insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.