AMBARELLA INC — Director's Dealing 2025

Mar 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBARELLA INC (AMBA)
CIK: 0001280263
Period of Report: 2025-02-28

Reporting Person: Chen Yun-Lung (VP, Business Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-28	Ordinary Shares	A	5868	$0.0	Acquired	67894	Direct
2025-03-05	Ordinary Shares	A	2249	$0.0	Acquired	70143	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-28	Performance Stock Units	$	A	5868	Acquired	2028-03-15	Ordinary Shares (5868)	Direct

Footnotes

F1: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2025.

F2: Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2025 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

F3: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4: Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2028, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2025 through January 31, 2028.