Ambarella CEO gifts 10,000 shares, sells 6,204

Ambarella CEO Feng-Ming Wang reported two share transactions involving Ordinary Shares.

Rhea-AI Filing Summary

Ambarella CEO Feng-Ming Wang reported two share transactions involving Ordinary Shares. He made a bona fide gift of 10,000 shares to a charitable donor advised fund and sold 6,204 shares at $67.87 per share to cover tax obligations from restricted stock unit vesting. After these moves, he continues to hold 789,857 Ordinary Shares directly.

Insights

Equity compensation and insider-trading analyst

Transactions look routine, tied to taxes and charitable giving.

Ambarella CEO Feng-Ming Wang disclosed a bona fide gift of 10,000 Ordinary Shares to a charitable donor advised fund and a sale of 6,204 shares at $67.87 per share. A footnote states the sale was to pay tax obligations from restricted stock unit vesting.

These patterns are typical of executive equity compensation management rather than discretionary buying or selling. Following the transactions, Wang still holds 789,857 Ordinary Shares directly, indicating he retains a substantial equity position. The filing does not indicate any change to derivative holdings.

Insider Trade Summary

Net Seller: 6,204 shares

Net Sell 2 txns

Insider Wang Feng-Ming

Role CEO

Sold 6,204 shs ($421K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	6,204	$67.87	$421K
Gift	Ordinary Shares	10,000	$0.00	$0.00

Holdings After Transaction: Ordinary Shares — 789,857 shares (Direct)

Footnotes (2)

1. F1. Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
2. F2. The shares were donated to a charitable donor advised fund (DAF).

Key Figures

Shares gifted: 10,000 shares Shares sold: 6,204 shares Sale price: $67.87 per share +1 more

4 metrics

Shares gifted 10,000 shares Bona fide gift to charitable donor advised fund

Shares sold 6,204 shares Open-market sale on 2026-06-17 to pay tax obligations

Sale price $67.87 per share Price for 6,204 Ordinary Shares sold

Shares held after transactions 789,857 shares Direct Ordinary Share holdings following reported transactions

Key Terms

bona fide gift, donor advised fund, restricted stock units, open-market sale

4 terms

bona fide gift financial

"transaction_code_description: "Bona fide gift""

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

donor advised fund financial

"The shares were donated to a charitable donor advised fund (DAF)."

A donor advised fund is a charitable savings account you fund with cash or assets (including stocks) that lets you take an immediate tax benefit while recommending when and which charities receive grants over time. Think of it like a dedicated piggy bank for giving: you get tax relief when you put money in, can avoid selling appreciated securities and triggering capital gains, and still control the timing and recipients of donations, which affects tax planning, portfolio decisions, and public giving signals.

restricted stock units financial

"tax obligations resulting from the vesting of restricted stock units."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

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.

FAQ

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

What insider transactions did Ambarella (AMBA) CEO Feng-Ming Wang report?

CEO Feng-Ming Wang reported two transactions: a bona fide gift of 10,000 Ordinary Shares and a sale of 6,204 Ordinary Shares. The sale was executed at $67.87 per share and, according to a footnote, was used to pay tax obligations from restricted stock unit vesting.

How many Ambarella (AMBA) shares did the CEO sell and at what price?

Feng-Ming Wang sold 6,204 Ordinary Shares of Ambarella at $67.87 per share. A footnote explains the sale’s purpose was to cover tax obligations arising from the vesting of restricted stock units rather than a discretionary reduction of his investment position.

How many Ambarella (AMBA) shares did the CEO gift to charity?

The CEO made a bona fide gift of 10,000 Ordinary Shares. A footnote clarifies that these shares were donated to a charitable donor advised fund, indicating a philanthropic transfer rather than a market sale or purchase involving cash proceeds.

How many Ambarella (AMBA) shares does the CEO hold after these transactions?

After the reported gift and sale, Feng-Ming Wang directly holds 789,857 Ordinary Shares. This figure reflects his remaining direct ownership position following the 10,000-share charitable gift and the 6,204-share sale noted in the Form 4 filing.

Were Ambarella (AMBA) CEO share sales part of routine tax withholding?

Yes. A footnote states that the 6,204-share sale was made to pay tax obligations from the vesting of restricted stock units. This indicates a compensation-related transaction commonly seen when equity awards vest and associated taxes become due.

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

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Accepted by SEC EDGAR 06/18/2026 - 04:54 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^*

Wang Feng-Ming

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/17/2026

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	06/17/2026		S		6,204(1)	D	$67.87	799,857	D
Ordinary Shares	06/17/2026		G(2)		10,000	D	$0.0	789,857	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.

2. The shares were donated to a charitable donor advised fund (DAF).

	By: /s/ Michael Morehead, Attorney-in-Fact For: Feng-Ming Wang	06/18/2026
	** 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)