AMBA

SEC.gov | Request Rate Threshold Exceeded

U.S. Securities and Exchange Commission

You’ve Exceeded the SEC’s Traffic Limit

Your request rate has exceeded the SEC’s maximum allowable requests per second. Your access to SEC.gov will be limited for 10 minutes.

Current guidelines limit each user to a total of no more than 10 requests per second, regardless of the number of machines used to submit requests. To ensure that SEC.gov remains available to all users, we reserve the right to block IP addresses that submit excessive requests.

The block will be lifted automatically by waiting 10 minutes. Continuing to exceed the SEC’s maximum allowable request rate during the time-out period will extend the duration of the time-out period. To ensure fair access for all users, please reduce the rate of your requests and visit SEC.gov again after the 10 minute time-out period has passed.

For best practices on efficiently downloading information from SEC.gov, including the latest EDGAR filings, visit sec.gov/developer. You can also sign up for email updates on the SEC open data program, including best practices that make it more efficient to download data, and SEC.gov enhancements that may impact scripted downloading processes. For more information, contact opendata@sec.gov.

For more information, please see the SEC’s Web Site Privacy and Security Policy. Thank you for your interest in the U.S. Securities and Exchange Commission.

Reference ID: 0.ce06d217.1784382263.abe7aac4

More Information

Internet Security Policy

By using this site, you are agreeing to security monitoring and auditing. For security purposes, and to ensure that the public service remains available to users, this government computer system employs programs to monitor network traffic to identify unauthorized attempts to upload or change information or to otherwise cause damage, including attempts to deny service to users.

Unauthorized attempts to upload information and/or change information on any portion of this site are strictly prohibited and are subject to prosecution under the Computer Fraud and Abuse Act of 1986 and the National Information Infrastructure Protection Act of 1996 (see Title 18 U.S.C. §§ 1001 and 1030).

To ensure our website performs well for all users, the SEC monitors the frequency of requests for SEC.gov content to ensure automated searches do not impact the ability of others to access SEC.gov content. We reserve the right to block IP addresses that submit excessive requests. Current guidelines limit users to a total of no more than 10 requests per second, regardless of the number of machines used to submit requests.

If a user or application submits more than 10 requests per second, further requests from the IP address(es) may be limited for a brief period. Once the rate of requests has dropped below the threshold for 10 minutes, the user may resume accessing content on SEC.gov. This SEC practice is designed to limit excessive automated searches on SEC.gov and is not intended or expected to impact individuals browsing the SEC.gov website.

Note that this policy may change as the SEC manages SEC.gov to ensure that the website performs efficiently and remains available to all users.

Note: We do not offer technical support for developing or debugging scripted downloading processes.

8-K

false 0001280263 0001280263 2026-02-23 2026-02-23

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 February 23, 2026 Date of Report (date of earliest event reported)

AMBARELLA, INC.

(Exact name of Registrant as specified in its charter)

Cayman Islands

001-35667

98-0459628

(State or other jurisdiction of incorporation)

(Commission File Number)

(I. R. S. Employer Identification No.)

3001 Tasman Drive Santa Clara, CA 95054 (Address of principal executive offices) Registrant’s telephone number, including area code: (408) 734-8888 N/A (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Ordinary Shares, $0.00045 par value

AMBA

The Nasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition

On February 26, 2026, Ambarella, Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and fiscal year 2026 ended January 31, 2026. A copy of the press release is attached as Exhibit 99.1 to this current report on Form 8-K and is incorporated by reference herein. The information in Item 2.02 of this current report on Form 8-K and the exhibits attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On February 23, 2026, the Company’s Board of Directors (the “Board”) appointed Gregory M. Bryant as a director to the Board and a member of the Board’s Compensation Committee, in each case effective as of February 23, 2026. Mr. Bryant, age 57, currently serves as principal of Xcendra Ventures, a venture capital and advisory services firm focused on healthcare and technology sectors that he founded in 2025. Prior to founding Xcendra Ventures, Mr. Bryant served as President of Global Business Units of Analog Devices Inc., a semiconductor company, from March 2022 to March 2025. Previously, Mr. Bryant had a long career at Intel Corporation, a semiconductor company, most recently in the role of EVP and General Manager of Intel’s Client Computing Group from September 2019 to January 2022. Mr. Bryant holds a Bachelor of Science degree in Electrical Engineering from the University of Kansas and a Masters degree in Program and Systems Management from Golden Gate University. As a member of the Company’s Board, Mr. Bryant will receive the Company’s standard compensation for non-employee directors and will sign the Company’s form Indemnification Agreement. Additionally, Mr. Bryant will receive an initial restricted stock unit award with a value of $150,000 that will vest in three equal, quarterly installments on March 15, June 15 and September 15, 2026, which is consistent with the terms of the annual RSU grants made to continuing non-employee directors in September 2025. The Company previously disclosed the standard arrangements for non-employee directors in its definitive proxy statement on Schedule 14A, filed with the Securities and Exchange Commission on April 25, 2025. The Board has determined that Mr. Bryant is independent in accordance with the relevant rules and regulations of the Securities and Exchange Commission and listing standards of Nasdaq. There are no arrangements or understan

8-K

false 0001280263 0001280263 2025-11-24 2025-11-24

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 November 24, 2025 Date of Report (date of earliest event reported)

AMBARELLA, INC.

(Exact name of Registrant as specified in its charter)

Cayman Islands

001-35667

98-0459628

(State or other jurisdiction of incorporation)

(Commission File Number)

(I. R. S. Employer Identification No.)

3101 Jay Street Santa Clara, CA 95054 (Address of principal executive offices) Registrant’s telephone number, including area code: (408) 734-8888 N/A (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Ordinary Shares, $0.00045 par value

AMBA

The Nasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition

On November 25, 2025, Ambarella, Inc. (the “Company”) a press release announcing its financial results for the third quarter of fiscal year 2026 ended October 31, 2025. A copy of the press release is attached as Exhibit 99.1 to this current report on Form 8-K and is incorporated by reference herein. The information in Item 2.02 of this current report on Form 8-K and the exhibits attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On November 24, 2025, Leslie Kohn informed the Company’s Board of Directors (the “Board”) of his voluntary resignation as a director on the Board and as Chief Technology Officer of the Company for strictly personal reasons, effective immediately. Mr. Kohn intends to transition to a part-time employment role with the Company as Chief Technology Advisor, providing direction on the Company’s technology strategy and roadmap.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

99.1

Press Release dated November 25, 2025

104

Cover Page Interactive Data File (embedded within the Inline XBRL document)

Signature Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: November 25, 2025

Ambarella, Inc.

/s/ John A. Young

Chief Financial Officer