Ambiq Micro, Inc. · NYSE:AMBQ

Chen Sean Chihhsiang sold 15,000 Ambiq Micro, Inc. shares (Form 4)

Traded Oct 14, 2026 · Filed Oct 16, 2026

On Oct 14, 2026, Chen Sean Chihhsiang (President and COO) sold 15,000 Ambiq Micro, Inc. shares at an average US$51.50 for US$772K under a trading plan, leaving 106,268 shares. Filed Oct 16, 2026 (Form 4).

Sold: 15,000 shares
Price: US$51.50 average (US$50.13 to US$54.27)
Value: US$772K
Holding after: 106,268 shares
Trading plan: Yes (Made under a plan set in advance)
Role: President and COO

The filing in full

Date	Security	Transaction	Shares	Price	Holding after	Ownership
Oct 14, 2026	Common Stock	Option exercise	15,000	US$8.12	121,268	Direct
Oct 14, 2026	Common Stock	Sale	7,539	US$50.13	113,729	Direct
Oct 14, 2026	Common Stock	Sale	1,261	US$51.53	112,468	Direct
Oct 14, 2026	Common Stock	Sale	2,000	US$52.47	110,468	Direct
Oct 14, 2026	Common Stock	Sale	4,000	US$53.44	106,468	Direct
Oct 14, 2026	Common Stock	Sale	200	US$54.27	106,268	Direct

Source

Download original · View original at SEC

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