Form 4 Filing for Ambiq Micro, Inc.

Jeffrey Winzeler, Chief Financial Officer of Ambiq Micro, Inc., reported the disposition of 5455 shares of Common Stock on October 2, 2026. The sales were conducted under a sell-to-cover policy to satisfy tax obligations incurred from the vesting of restricted stock units. The weighted average sale price for these transactions ranged from $68.41 to $72.26. Following these dispositions, Mr. Winzeler directly owns 100,844 shares of Common Stock.