Form 4 Filing for Ambiq Micro, Inc.

On October 2, 2026, Hanson Scott McLean, Chief Technology Officer and Director at Ambiq Micro, Inc., reported the sale of 8680 shares of Common Stock. The transactions were executed under a sell-to-cover policy to satisfy tax obligations incurred from the vesting of restricted stock units. The sales were conducted in multiple transactions with weighted average prices reported. Specifically, 3728 shares were sold at a weighted average price of $69.1083, with a price range of $68.41 to $69.40. Another 4500 shares were sold at a weighted average price of $69.7722, with prices ranging from $69.41 to $70.16. Lastly, 452 shares were sold at a weighted average price of $71.8592, with prices ranging from $71.50 to $72.26. Following these transactions, Mr. McLean holds 212,546 shares of Common Stock.