# EDGAR Filing Document

**Accession Number:** 0001280263
**File Stem:** 0001280263-26-000022
**Filing Date:** 2026-3
**Character Count:** 9388
**Document Hash:** dd757824f8f936f3acb6068a8440f4bc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001280263-26-000022.hdr.sgml**: 20260304

**ACCESSION NUMBER**: 0001280263-26-000022

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260302

**FILED AS OF DATE**: 20260304

**DATE AS OF CHANGE**: 20260304

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Wang Feng-Ming
- **CENTRAL INDEX KEY:** 0001558686

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35667
- **FILM NUMBER:** 26722981

**MAIL ADDRESS:**
- **STREET 1:** 3001 TASMAN DRIVE
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMBARELLA INC
- **CENTRAL INDEX KEY:** 0001280263
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 980459628
- **FISCAL YEAR END:** 0131

**BUSINESS ADDRESS:**
- **STREET 1:** 3001 TASMAN DRIVE
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054
- **BUSINESS PHONE:** 408-734-8888

**MAIL ADDRESS:**
- **STREET 1:** 3001 TASMAN DRIVE
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Wang Feng-Ming<br><sub>(Last) (First) (Middle)</sub><br>3001 TASMAN DRIVE<br><sub>(Street)</sub><br>SANTA CLARA, CA 95054<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-02 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>AMBARELLA INC [ AMBA ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Ordinary Shares | 2026-03-02 |  | M |  | 50000 | A | $41.36 | 818979 | D |  |
| Ordinary Shares | 2026-03-02 |  | S<sup>(1)</sup> |  | 1000 | D | 56.832<sup>(2)</sup> | 817979 | D |  |
| Ordinary Shares | 2026-03-02 |  | S<sup>(1)</sup> |  | 1900 | D | 58.77<sup>(3)</sup> | 816079 | D |  |
| Ordinary Shares | 2026-03-02 |  | S<sup>(1)</sup> |  | 2600 | D | 59.5269<sup>(4)</sup> | 813479 | D |  |
| Ordinary Shares | 2026-03-02 |  | S<sup>(1)</sup> |  | 32460 | D | 60.9127<sup>(5)</sup> | 781019 | D |  |
| Ordinary Shares | 2026-03-02 |  | S<sup>(1)</sup> |  | 12040 | D | 61.4236<sup>(6)</sup> | 768979 | D |  |
| Ordinary Shares | 2026-03-02 |  | A |  | 53203<sup>(7)</sup> | A | $0.0 | 822182 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Non-Qualified Stock Option (right to buy) | $41.36 | 2026-03-02 |  | M |  |  | 50000 | <sup>(8)</sup> | 2026-03-06<sup>(8)</sup> | Ordinary Shares | 50000 | $0.0 | 0 | D |  |
| Performance Stock Units | <sup>(9)</sup> | 2026-03-02 |  | A |  | 53203 |  | <sup>(10)</sup> | 2029-03-15<sup>(10)</sup> | Ordinary Shares | 53203 | $0.0 | 53203 | D |  |

---

### Footnotes:

(1) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025.

(2) The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $56.79 to $$57.7899 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.

(3) The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $58.16 to $$59.1599 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.

(4) The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $59.16 to $$60.1599 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.

(5) The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $60.21 to $$61.2099 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.

(6) The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $61.22 to $$62.2199 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.

(7) The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2026.

(8) The shares vest at the rate of 1/42 per month commencing on March 15, 2016.

(9) Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

(10) Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2029, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2026 through January 31, 2029.

**Signature:** By:  /s/ Michael Morehead, Attorney-in-Fact For: Feng-Ming Wang  
**Date:** 2026-03-04

### Remarks:

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.**