Ambiq Micro, Inc. insiders: buys and sells · AMBQ

Directors, officers and 10%+ shareholders must report every purchase and sale of their company's stock to the SEC within two business days. Transactions filed between 2026-09-04 and 2026-10-15. All filings on SEC EDGAR →

Bought: $0
Sold: $5,340,536
Buys: 0
Sells: 32

The 32 transactions

Date	Who	Role	Transaction	Shares	Price	Amount
2026-10-15	Hanson Scott Mclean	Chief Technology Officer	sell	3.700	51,121	$189,148
2026-10-15	Esaka Fumihide	Chief Executive Officer	sell	2.800	51,148	$143,214
2026-10-15	Hanson Scott Mclean	Chief Technology Officer	sell	1.800	51,861	$93,351
2026-10-15	Esaka Fumihide	Chief Executive Officer	sell	1.200	51,855	$62,226
2026-10-15	Hanson Scott Mclean	Chief Technology Officer	sell	900	50,083	$45,074
2026-10-15	Hanson Scott Mclean	Chief Technology Officer	sell	600	49,059	$29,436
2026-10-15	Esaka Fumihide	Chief Executive Officer	sell	500	50,022	$25,011
2026-10-15	Esaka Fumihide	Chief Executive Officer	sell	500	49,134	$24,567
2026-10-14	Chen Sean Chihhsiang	President and COO	sell	7.539	50,129	$377,923
2026-10-14	Chen Sean Chihhsiang	President and COO	sell	4.000	53,436	$213,745
2026-10-14	Chen Sean Chihhsiang	President and COO	sell	2.000	52,468	$104,936
2026-10-14	Chen Sean Chihhsiang	President and COO	sell	1.261	51,531	$64,980
2026-10-14	Chen Sean Chihhsiang	President and COO	sell	200	54,27	$10,854
2026-10-05	Chen Sean Chihhsiang	President and COO	sell	5.508	66,381	$365,625
2026-10-05	Chen Sean Chihhsiang	President and COO	sell	1.797	67,286	$120,913
2026-10-05	Chen Sean Chihhsiang	President and COO	sell	800	68,076	$54,461
2026-10-05	Chen Sean Chihhsiang	President and COO	sell	100	69,51	$6,951
2026-10-02	Esaka Fumihide	Chief Executive Officer	sell	8.585	69,772	$598,994
2026-10-02	Esaka Fumihide	Chief Executive Officer	sell	7.113	69,108	$491,567
2026-10-02	Hanson Scott Mclean	Chief Technology Officer	sell	4.500	69,772	$313,975
2026-10-02	Hanson Scott Mclean	Chief Technology Officer	sell	3.728	69,108	$257,636
2026-10-02	Chen Sean Chihhsiang	President and COO	sell	3.008	69,772	$209,875
2026-10-02	Winzeler Jeffrey G	Chief Financial Officer	sell	2.828	69,772	$197,316
2026-10-02	Chen Sean Chihhsiang	President and COO	sell	2.492	69,108	$172,218
2026-10-02	Winzeler Jeffrey G	Chief Financial Officer	sell	2.343	69,108	$161,921
2026-10-02	Esaka Fumihide	Chief Executive Officer	sell	862	71,859	$61,943
2026-10-02	Hanson Scott Mclean	Chief Technology Officer	sell	452	71,859	$32,480
2026-10-02	Chen Sean Chihhsiang	President and COO	sell	302	71,859	$21,701
2026-10-02	Winzeler Jeffrey G	Chief Financial Officer	sell	284	71,859	$20,408
2026-09-04	Chen Sean Chihhsiang	President and COO	sell	12.874	57,087	$734,933
2026-09-04	Chen Sean Chihhsiang	President and COO	sell	2.126	57,679	$122,625
2026-09-04	Zhang Ker	Director	sell	185	56,92	$10,530

How to read these transactions

There are 32 filed transactions for Ambiq Micro, Inc. (AMBQ) between 2026-09-04 and 2026-10-15. They were made by 5 different people. Open-market buys: 0, for $0. Sells: 32, for $5,340,536.

Each transaction comes from a Form 4, the filing the person submits to the SEC. In the table, each row is one transaction: the date, who made it and their role, whether it is a buy or a sell, the number of shares, the declared price per share and the total amount.

Open-market buys are the ones people watch most, because whoever makes them puts in their own money. Sells say less: they often respond to taxes, diversification or sale plans scheduled in advance. A single transaction does not say much either; what people look at is whether they repeat, from how many people and for what amount.

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Public SEC data (EDGAR), Form 4. Open-market buys and sells only: option exercises and stock received as pay are left out. This is not investment advice.

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