X0306 4 2022-03-08 0 0001280263 AMBARELLA INC AMBA 0001558686 Wang Feng-Ming 3101 JAY STREET SANTA CLARA CA 95054 1 1 0 0 CEO Ordinary Shares 2022-03-08 4 A 0 8463 0.0 A 641985 D Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual cash bonus under the company's previously established Fiscal Year 2022 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share. By: /s/ Michael Morehead, Attorney-in-Fact For: Feng-Ming Wang 2022-03-10