Ambarella executive sells 7,728 shares at $75.58

Ambarella Inc. executive Chi-Hong Ju reported an open‑market sale of company stock.

Rhea-AI Filing Summary

Ambarella Inc. executive Chi-Hong Ju reported an open‑market sale of company stock. On January 5, 2026, the Senior VP, Systems & GM, Asia sold 7,728 ordinary shares at a weighted average price of $75.583 per share, with individual sale prices ranging from $75.29 to $76.02.

After this transaction, Ju beneficially owns 146,039 ordinary shares directly and an additional 8,000 ordinary shares indirectly held by a foundation. The filing notes that detailed price breakdowns within the reported range are available upon request.

Insider Trade Summary

Net Seller: 7,728 shares

Net Sell 2 txns

Insider Ju Chi-Hong

Role Senior VP, Systems & GM, Asia

Sold 7,728 shs ($584K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	7,728	$75.583	$584K
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 146,039 shares (Direct); Ordinary Shares — 8,000 shares (Indirect, by Foundation)

Footnotes (1)

1. F1. The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $75.29 to $76.02 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did AMBA disclose in this Form 4?

The filing reports that Chi-Hong Ju, Senior VP, Systems & GM, Asia of Ambarella Inc., sold 7,728 ordinary shares of the company on January 5, 2026.

At what price did Chi-Hong Ju sell Ambarella (AMBA) shares?

The shares were sold at a weighted average price of $75.583 per share, with individual trades executed between $75.29 and $76.02 per share.

How many Ambarella shares does Chi-Hong Ju own after the reported sale?

Following the transaction, Chi-Hong Ju beneficially owns 146,039 ordinary shares directly and 8,000 ordinary shares indirectly held by a foundation.

What is the role of the reporting person in Ambarella (AMBA)?

The reporting person, Chi-Hong Ju, serves as Senior VP, Systems & GM, Asia at Ambarella Inc.

Does the Form 4 explain the price range for the AMBA share sale?

Yes. A footnote explains that the reported price is a weighted average, and that shares were sold at prices ranging from $75.29 to $76.02 per share.

How are indirect Ambarella share holdings reported for Chi-Hong Ju?

The Form 4 shows 8,000 ordinary shares reported as indirectly owned, with the nature of ownership described as "by Foundation".

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/07/2026 - 05:02 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Ju Chi-Hong

(Last) (First) (Middle)

3001 TASMAN DRIVE

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Senior VP, Systems & GM, Asia

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

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	01/05/2026		S		7,728	D	$75.583(1)	146,039	D
Ordinary Shares								8,000	I	by Foundation

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. The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $75.29 to $76.02 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.

	By: /s/ Michael Morehead, Attorney-in-Fact For: Chi-Hong Ju	01/07/2026
	** 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.