Chantelle Breithaupt - Sep 2, 2025 Form 4 Insider Report for AMBARELLA INC (AMBA)

Role
Director
Signature
By: /s/ Michael Morehead, Attorney-in-Fact For: Chantelle Breithaupt
Stock symbol
AMBA
Transactions as of
Sep 2, 2025
Transactions value $
$0
Form type
4
Date filed
9/4/2025, 06:45 PM
Previous filing
Aug 22, 2025
Next filing
Nov 24, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Breithaupt Chantelle Yvette Director 3001 TASMAN DRIVE, SANTA CLARA By: /s/ Michael Morehead, Attorney-in-Fact For: Chantelle Breithaupt 2025-09-04 0001850596

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMBA Ordinary Shares Award $0 +2.5K +102.29% $0.00 4.94K Sep 2, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Effective as of September 2, 2025, the Board of Directors approved an annual restricted stock unit grant of 2,498 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2025, so as to be 100% vested on September 15, 2026, subject to continued service with the Company.