Chang Woei Jiann - 25 Sep 2026 Form 3 Insider Report for Aterian, Inc. (ATER)

Reporting relationship: 10%+ Owner
Issuer ticker: ATER
Reported as of: 25 Sep 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 02 Oct 2026, 17:19:00 UTC
Source filing: View source filing
Reporting owner signature: /s/ Chang Woei Jiann

Filing notes and source

Key filing fact

Chang Woei Jiann filed Form 3 for Aterian, Inc. (ATER) on 02 Oct 2026.

Key facts

This page summarizes Chang Woei Jiann's Form 3 filing for Aterian, Inc. (ATER).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 Oct 2026, 17:19.

Change

No earlier filing in this sequence is available for direct comparison.
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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002157391 Primary reporting owner

Chang Woei Jiann

Relationship: 10%+ Owner
Address: NO. 03-03, BLOK 68, TAMAN UNGKU TUN AMINAH, SKUDAI, MALAYSIA
Signature: /s/ Chang Woei Jiann
Signature date: 02 Oct 2026

Reported non-derivative transactions

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

ATER holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,121,180
Date: 25 Sep 2026
Ownership: Direct

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

Additional SEC filing notes

Filing notes and footnotes

SEC remarks

On September 1, 2026, Chang Woei Jiann, as one of the multiple purchasers, entered into a Securities Purchase Agreement (the "SPA") with David E. Lazar (the "Seller"), pursuant to which Chang Woei Jiann agreed to purchase, in a private transaction, 193,347 shares of Series AAA Preferred Stock of the Issuer, which were subsequently converted into 26,121,180 shares of Common Stock, $0.0001 par value per share, of the Issuer, from the Seller for an aggregate purchase price of $1,296,000. The transactions contemplated by the SPA occurred on September 25, 2026.