Form 4 Filing for Ambiq Micro, Inc.

Chen Sean Chihhsiang, President and COO of Ambiq Micro, Inc., reported several transactions on September 4, 2026. These transactions were conducted under a Rule 10b5-1 plan. Chihhsiang acquired 15,000 shares of Common Stock via the exercise of a stock option at a price of $8.12 per share. Concurrently, 12,874 shares were sold at a weighted average price of $57.0866 and an additional 2,126 shares were sold at a weighted average price of $57.6786. Following these transactions, Chihhsiang holds 120,275 shares of Common Stock directly. The stock option exercised was for 15,000 shares with an exercise price of $8.12, and post-transaction, 149,423 options remain.