Ambiq Micro Director Timothy Chen Sells 70,592 Shares for $5.7M

This Form 4 filing discloses that Timothy Chen, a director of Ambiq Micro, sold 70,592 shares of common stock on May 27, 2026, through four separate transactions. The sales were conducted indirectly through Triumph Way Investment Inc., where Chen exercises sole voting and dispositive control. The shares were sold at weighted average prices ranging from $78.85 to $81.57 per share, with total proceeds of approximately $5.7 million. Following these transactions, Chen's direct holdings decreased to 47,618 shares, while his indirect holdings through Triumph Way Investment Inc. were completely liquidated. The filing includes detailed footnotes about the weighted average pricing and price ranges for each transaction block.