Form 4 Filing for Ambiq Micro, Inc.

This filing details a transaction by HSIEH Wen Hsuan, a director at Ambiq Micro, Inc. On June 8, 2026, 4957 shares of Common Stock were acquired. These shares were granted as restricted stock units (RSUs) which will vest in three equal annual installments. The RSUs are subject to the director's continued service. Following this transaction, the total number of shares held directly is 4957. Additionally, 633920 shares are held indirectly through Matter Venture Partners Fund I, L.P., over which HSIEH Wen Hsuan exercises sole voting and dispositive control. The transaction code "A" indicates an acquisition, and the price per share was $0.0, consistent with an RSU grant.