AMBARELLA INC

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

Ambarella, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

AMBARELLA, INC.

3001 TASMAN DRIVE

SANTA CLARA, CA 95054

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

To Be Held On June 26, 2026

Dear Shareholder:

NOTICE IS HEREBY GIVEN that the Annual Meeting of Shareholders of Ambarella, Inc., a Cayman Islands company, will be held on Friday, June 26, 2026, at 9:00 a.m. Pacific Time at 3001 Tasman Drive, Santa Clara, CA 95054. The agenda for the meeting is as follows:

MEETING AGENDA

These items of business are more fully described in the Proxy Statement, which is available at www.edocumentview.com/AMBA. This notice, the Notice of Internet Availability, the Proxy Statement, the 2026 Annual Report, and the form of proxy are being made available to shareholders on or about May 15, 2026. We are providing access to our proxy materials over the Internet under the rules and regulations adopted by the U.S. Securities and Exchange Commission.

The record date for the Annual Meeting is May 5, 2026. Only shareholders of record at the close of business on that date may vote at the meeting or any adjournment thereof. We are not aware of any other business to come before the Annual Meeting. You may vote over the Internet, by telephone or by mailing a proxy card. Voting over the Internet, by telephone or by written proxy will ensure your representation at the Annual Meeting if you do not attend in person. Please review the instructions on the proxy card regarding each of these voting options. The Proxy Statement explains proxy voting and the matters to be voted on in more detail. We look forward to your attendance at the Annual Meeting.

By Order of the Board of Directors

Michael Morehead

General Counsel and Secretary

Santa Clara, California

May 15, 2026

You are cordially invited to attend the meeting in person. Your vote is important. Whether or not you expect to attend the meeting, please vote your shares as instructed in the Notice of Internet Availability, which is being mailed to you on May 15, 2026, as promptly as possible to ensure your representation at the meeting. Even if you have voted by proxy, you may still vote in person if you attend the meeting. Please note, however, that if your shares are held of record by a broker, bank or other nominee and you wish to vote at the meeting, you must obtain a proxy issued in your name from that record holder.

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Ambarella, Inc.

3001 Tasman Drive

Santa Clara, CA 95054

PROXY STATEMENT

FOR THE 2026 ANNUAL MEETING OF SHAREHOLDERS