Ambiq Micro, Inc. · NYSE:AMBQ

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

Traded Sep 4, 2026 · Filed Sep 9, 2026

On Sep 4, 2026, Chen Sean Chihhsiang (President and COO) sold 15,000 Ambiq Micro, Inc. shares at an average US$57.17 for US$858K under a trading plan, leaving 120,275 shares. Filed Sep 9, 2026 (Form 4).

Sold
15,000 shares
Price
US$57.17 average (US$57.09 to US$57.68)
Value
US$858K
Holding after
120,275 shares
Trading plan
Yes (Made under a plan set in advance)
Role
President and COO

The filing in full

DateSecurityTransactionSharesPriceHolding afterOwnership
Sep 4, 2026Common StockOption exercise15,000US$8.12135,275Direct
Sep 4, 2026Common StockSale12,874US$57.09122,401Direct
Sep 4, 2026Common StockSale2,126US$57.68120,275Direct

Source

View original at SEC

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