Form 4 Filing for Ambiq Micro, Inc.

Hanson Scott McLean, Chief Technology Officer and Director of Ambiq Micro, Inc. (AMBQ), reported a series of transactions on October 15, 2026, executed under a Rule 10b5-1 plan. McLean acquired 7,000 shares of Common Stock at a price of $8.12 per share. Concurrently, McLean disposed of a total of 6,000 shares of Common Stock through multiple sales. These sales included 600 shares at a weighted average price of $49.06, 900 shares at a weighted average price of $50.08, 3,700 shares at a weighted average price of $51.12, and 1,800 shares at a weighted average price of $51.86. Following these transactions, McLean holds 212,546 shares of Common Stock directly. Additionally, McLean exercised a stock option to acquire 7,000 shares of Common Stock, with the option having an exercise price of $8.12 and expiring on October 1, 2028. Post-exercise, McLean directly owns 38,279 shares underlying this option. The vesting of the option occurred in tranches starting August 16, 2019.