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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1280263	Ambarella Inc	AMBA	Semiconductors & Related Devices (3674)	980459628

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
2009866	Alexander John Young	3101 Jay Street Santa Clara CA 95054	Cfo	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Ordinary Shares	Acquisiton	2025-02-28	12,388	$0.00	113,781	No	4	A	Direct
Ordinary Shares	Acquisiton	2025-03-05	4,637	$0.00	118,418	No	4	A	Direct
Ordinary Shares	Disposition	2025-03-06	2,663	$55.11	115,755	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	A	Direct
No	4	A	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Ordinary Shares	Performance Stock Units	Acquisiton	2025-02-28	12,388	$0.00	12,388	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
12,388		2028-03-15	No	4	A	Direct

Footnotes

The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2025.
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.
Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.
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.