Chenming Hu - 02 Sep 2025 Form 4 Insider Report for AMBARELLA INC (AMBA)

Reporting relationship: Director
Issuer ticker: AMBA
Reported as of: 02 Sep 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 Sep 2025, 18:44:31 UTC
Prior SEC filing: 19 Mar 2025
Source filing: View source filing
Reporting owner signature: By: /s/ Michael Morehead, Attorney-in-Fact For: Chenming Hu

Key filing fact

Chenming Hu filed Form 4 for AMBARELLA INC (AMBA) on 04 Sep 2025.

Key facts

This page summarizes Chenming Hu's Form 4 filing for AMBARELLA INC (AMBA).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 04 Sep 2025, 18:44.

Change

Previous filing in this sequence was filed on 19 Mar 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001316320 Primary reporting owner

Hu Chenming

Relationship: Director
Address: 3001 TASMAN DRIVE, SANTA CLARA
Signature: By: /s/ Michael Morehead, Attorney-in-Fact For: Chenming Hu
Signature date: 04 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMBA transaction

Ordinary Shares

Award

Transaction value: $0
Shares: +2,498
Change %: +9.2%
Price: $0.000000
Shares after: 29,516
Date: 02 Sep 2025
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.