[Form 4] Ambarella, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Leslie Kohn, Chief Technology Officer and Director of Ambarella (AMBA), reported a sale of 1,715 ordinary shares on June 17, 2025, at a price of $52.26 per share. The transaction was specifically executed to cover tax obligations arising from the vesting of restricted stock units.

Following the reported transaction, Kohn maintains direct beneficial ownership of 979,677 shares of Ambarella. This Form 4 filing indicates the executive continues to hold a significant equity position in the company despite the tax-related sale.

• Transaction was executed under tax obligation requirements, not discretionary selling
• Kohn serves dual roles as both CTO and Director
• Filing was completed through attorney-in-fact Michael Morehead on June 20, 2025
• No derivative securities were involved in this transaction

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kohn Leslie

(Last) (First) (Middle)

3101 JAY STREET

(Street)

SANTA CLARA CA 95054

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AMBARELLA INC [ AMBA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
06/17/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	06/17/2025		S		1,715(1)	D	$52.26	979,677	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares sold to pay tax obligations resulting from the vesting of restricted stock units.

	By: /s/ Michael Morehead, Attorney-in-Fact For: Leslie Kohn	06/20/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many AMBA shares did CTO Leslie Kohn sell on June 17, 2025?

Leslie Kohn sold 1,715 ordinary shares of Ambarella (AMBA) on June 17, 2025 at a price of $52.26 per share.

What was the reason for Leslie Kohn's AMBA stock sale in June 2025?

According to the Form 4 filing, the shares were sold to pay tax obligations resulting from the vesting of restricted stock units.

How many AMBA shares does Leslie Kohn own after the June 2025 transaction?

Following the reported transaction, Leslie Kohn beneficially owned 979,677 shares of Ambarella (AMBA) directly.

What positions does Leslie Kohn hold at Ambarella (AMBA)?

Leslie Kohn serves in dual roles at Ambarella as both a Director and Chief Technology Officer (CTO) of the company.

What was the total value of AMBA shares sold by Leslie Kohn in the June 2025 transaction?

The total value of the transaction was approximately $89,626.90, calculated from 1,715 shares sold at $52.26 per share.