Form 4 Filing for ZHANG KER - Ambiq Micro, Inc.

This filing details a transaction by ZHANG KER, a director at Ambiq Micro, Inc. (AMBQ). On June 8, 2026, ZHANG KER was granted 4,957 restricted stock units (RSUs) of Common Stock. These RSUs will vest over three years, either on the anniversary of the grant date or the company's annual stockholder meeting. The grant was made under the Issuer's 2025 Equity Incentive Plan. Following this transaction, ZHANG KER holds 28,766 shares of Common Stock. The filing was signed by Jeffrey Winzeler, Attorney-in-Fact, on June 10, 2026.