Ambarella (NASDAQ: AMBA) VP sells 9,856 shares in open-market trade

Rhea-AI Filing Summary

Ambarella Inc. vice president of business development Yun-Lung Chen conducted an open-market sale of 9,856 Ordinary Shares. The shares were sold at a weighted average price of $67.06 per share, within a range of $67.06 to $67.07. Following this transaction, Chen directly holds 66,515 Ordinary Shares of Ambarella.

Insider Trade Summary

Net Seller: 9,856 shares ($660,943)

Net Sell 1 txn

Insider Chen Yun-Lung

Role VP, Business Development and

Sold 9,856 shs ($661K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	9,856	$67.06	$661K

Holdings After Transaction: Ordinary Shares — 66,515 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 9,856 shares Weighted average sale price: $67.06 per share Price range: $67.06–$67.07 per share +1 more

4 metrics

Shares sold 9,856 shares Open-market sale on 2026-06-12

Weighted average sale price $67.06 per share Ordinary Shares sold on 2026-06-12

Price range $67.06–$67.07 per share Range of prices for reported sales

Shares owned after sale 66,515 shares Direct holdings following transaction

Key Terms

open-market sale, Ordinary Shares, weighted average sale price, Form 4

4 terms

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Ordinary Shares financial

"security_title": "Ordinary Shares""

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

weighted average sale price financial

"represents the weighted average sale price of the shares sold"

Form 4 regulatory

"within the ranges set forth in this Form 4"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Chen Yun-Lung

(Last) (First) (Middle)

3001 TASMAN DRIVE

(Street)

SANTA CLARA CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	VP, Business Development and

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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

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

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

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	06/12/2026		S		9,856	D	$67.06(1)	66,515	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. The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $67.06 to $67.07 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: Yun-Lung Chen	06/16/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Ambarella (AMBA) report for Yun-Lung Chen?

Ambarella reported that vice president of business development Yun-Lung Chen executed an open-market sale of 9,856 Ordinary Shares. This sale was recorded on a Form 4 insider filing and reflects a direct ownership transaction in Ambarella stock.

How many Ambarella (AMBA) shares did Yun-Lung Chen sell and at what price?

Yun-Lung Chen sold 9,856 Ambarella Ordinary Shares at a weighted average price of $67.06 per share. The filing notes that individual sale prices ranged between $67.06 and $67.07 per share during the reported transactions.

How many Ambarella (AMBA) shares does Yun-Lung Chen own after the sale?

After completing the 9,856-share open-market sale, Yun-Lung Chen directly holds 66,515 Ambarella Ordinary Shares. This post-transaction holding figure is disclosed in the Form 4 and shows his remaining direct equity position in the company.

What does the weighted average sale price mean in the Ambarella (AMBA) Form 4?

The weighted average sale price of $67.06 means the reported price reflects multiple trades at slightly different prices. According to the filing, individual trades occurred between $67.06 and $67.07, with full trade details available upon request to relevant parties.

Was the Ambarella (AMBA) insider transaction an open-market sale or another type?

The transaction was an open-market sale of Ambarella Ordinary Shares. The Form 4 classifies it under transaction code “S,” described as a sale in open market or private transaction, and labels the transaction action as an open-market sale.