Chen Sean Chihhsiang Sells Ambiq Micro Common Stock

On October 2, 2026, Chen Sean Chihhsiang, President and COO of Ambiq Micro, Inc., reported the sale of 6,402 shares of common stock in three transactions, with an average price of $69.77 per share. These sales were conducted under the Issuer's sell-to-cover policy to satisfy tax obligations incurred upon vesting of restricted stock units. The sales occurred across a price range of $68.41 to $72.26. On October 5, 2026, further sales of 7,305 shares of common stock were executed under a Rule 10b5-1 plan. These transactions, with an average price of $66.80, occurred at prices ranging from $65.90 to $69.51 per share. The total number of shares sold in these transactions was 13,707, resulting in a post-transaction share count of 106,268.