Ambarella (AMBA) CFO’s pre-planned sale of 1,971 shares at $60 disclosed

Rhea-AI Filing Summary

Ambarella Inc's CFO John Alexander Young sold 1,971 Ordinary Shares in an open-market transaction at $60.00 per share. After this sale, he directly holds 117,623 Ordinary Shares. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on January 15, 2026, indicating it was scheduled in advance rather than timed discretionarily.

Insights

Insider trading and governance analyst

Routine, pre-planned CFO stock sale with modest size relative to holdings.

The filing shows Ambarella CFO John Alexander Young executed an open-market sale of 1,971 Ordinary Shares at $60.00 per share. Following the transaction, he directly owns 117,623 shares, so the sale represents a small fraction of his reported stake.

A footnote states the sale occurred under a Rule 10b5-1 trading plan adopted on January 15, 2026. Such plans are set up in advance, which makes the timing of this sale more mechanical and less indicative of a near-term view on the stock. Based on the available details, this appears to be a routine liquidity or diversification transaction rather than a thesis-changing event.

Insider Trade Summary 10b5-1

Net Seller: 1,971 shares ($118,260)

Net Sell 1 txn

Insider Young John Alexander

Role CFO

Sold 1,971 shs ($118K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	1,971	$60.00	$118K

Holdings After Transaction: Ordinary Shares — 117,623 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 1,971 shares Sale price: $60.00 per share Total sale value: $118,260 +2 more

5 metrics

Shares sold 1,971 shares Open-market sale of Ordinary Shares

Sale price $60.00 per share Price for the 1,971 Ordinary Shares sold

Total sale value $118,260 1,971 shares × $60.00 per share

Shares held after sale 117,623 shares Direct holdings following the reported transaction

Rule 10b5-1 plan adoption date January 15, 2026 Date the pre-arranged trading plan was adopted

Key Terms

Rule 10b5-1 trading plan, open-market sale, Ordinary Shares, Form 4

4 terms

Rule 10b5-1 trading plan regulatory

"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

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.

Form 4 regulatory

"The sales reported on this Form 4 were effected pursuant"

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.

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).

X

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^*

Young John Alexander

(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)
	CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/21/2026

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	04/21/2026		S(1)		1,971	D	$60	117,623	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 sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2026.

	By: /s/ Michael Morehead, Attorney-in-Fact For: John Young	04/22/2026
	** 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) disclose for its CFO?

Ambarella disclosed that CFO John Alexander Young sold 1,971 Ordinary Shares at $60.00 per share. The sale was an open-market transaction and occurred under a pre-arranged Rule 10b5-1 trading plan, indicating it was scheduled in advance rather than timed opportunistically.

How many Ambarella (AMBA) shares does the CFO hold after the reported sale?

After selling 1,971 Ordinary Shares, Ambarella’s CFO John Alexander Young directly holds 117,623 Ordinary Shares. This shows the reported sale is small compared with his remaining position, suggesting he continues to maintain a significant equity stake in the company.

Was the Ambarella (AMBA) CFO’s share sale part of a Rule 10b5-1 plan?

Yes. A footnote explains the CFO’s sales were executed under a Rule 10b5-1 trading plan adopted on January 15, 2026. Such plans pre-schedule trades, reducing the significance of transaction timing as a signal of insider sentiment about Ambarella’s shares.

What price did Ambarella (AMBA) CFO receive for the shares sold?

The CFO’s open-market sale of Ambarella Ordinary Shares was executed at $60.00 per share. This transaction price, combined with the 1,971 shares sold, indicates a total sale value of approximately $118,260 based solely on the figures disclosed in the filing.

Does the Ambarella (AMBA) Form 4 indicate any option exercises or derivatives?

No derivative transactions are listed in this Form 4. The filing reports only a single non-derivative transaction: an open-market sale of 1,971 Ordinary Shares, with derivativeSummary showing no remaining option or similar derivative positions disclosed in this particular report.

Is the Ambarella (AMBA) CFO’s stock sale likely a major signal for investors?

The sale appears routine based on the disclosed details. It involved 1,971 shares under a pre-arranged Rule 10b5-1 trading plan, and the CFO still holds 117,623 shares. The modest size and pre-planned nature limit its significance as a standalone signal.