SEC Filing Summary for Ambiq Micro, Inc.

On September 14, 2026, Chen Sean Chihhsiang, President and COO of Ambiq Micro, Inc., executed a series of transactions involving the company's common stock. These transactions were conducted under a Rule 10b5-1 plan. Chihhsiang acquired 15,000 shares of common stock at a price of $8.12 per share. Subsequently, Chihhsiang disposed of a total of 15,000 shares. Specifically, 2,600 shares were sold at a weighted average price of $59.3637, 11,000 shares at a weighted average price of $60.238, and 1,400 shares at a weighted average price of $60.8332. Additionally, Chihhsiang exercised a stock option to acquire 15,000 shares of common stock at an exercise price of $8.12 per share. Following these transactions, Chihhsiang holds 135,275 shares of common stock directly and 134,423 shares indirectly through a stock option. The filing also notes that a portion of the stock option vested over time, with vesting dependent on continued service.