Ambiq Micro, Inc. reported a recent insider ownership change involving Wen Hsuan Hsieh, with the transaction dated June 8, 2026 and the Form 4 filed on June 10, 2026. The filing describes an award of restricted stock units, or RSUs, tied to Ambiq Micro common stock. Each RSU represents a contingent right to receive one share of Ambiq Micro common stock. The award is scheduled to vest in three equal annual installments after the grant date. For each installment, vesting will occur on the earlier of the applicable first, second or third anniversary of the grant date, or the date of Ambiq Micro’s corresponding first, second or third annual stockholder meeting following the grant date. The vesting terms also include a director-service provision. If Hsieh’s service as a director ends at an annual meeting because the director is not re-elected or does not stand for re-election, the relevant vesting may occur on the date immediately before that stockholder meeting. In all cases, vesting is subject to Hsieh’s continued service as defined under Ambiq Micro’s 2025 Equity Incentive Plan. The filing also notes that Hsieh exercises sole voting and dispositive control over shares held by Matter Venture Partners Fund I, L.P., indicating that those shares may be deemed indirectly beneficially owned by Hsieh. The provided filing text does not disclose the number of RSUs granted, the transaction code, the grant-date value or price, or Hsieh’s beneficial ownership total after the reported transaction.