David E. Lazar - 17 Jul 2026 Form 4 Insider Report for Aterian, Inc. (ATER)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: ATER
Reported as of: 17 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Sep 2026, 13:54:18 UTC
Prior SEC filing: 01 May 2026
Next SEC filing: 07 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ David E. Lazar

Key filing fact

David E. Lazar filed Form 4 for Aterian, Inc. (ATER) on 11 Sep 2026.

Key facts

This page summarizes David E. Lazar's Form 4 filing for Aterian, Inc. (ATER).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 11 Sep 2026, 13:54.

Change

Previous filing in this sequence was filed on 01 May 2026.
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 0001932843 Primary reporting owner

Lazar David E.

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: 44, TOWER 100, THE TOWERS, WINSTON CHURCHILL, PAITILLA, PANAMA CITY, PANAMA
Signature: /s/ David E. Lazar
Signature date: 11 Sep 2026

Reported non-derivative transactions

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

ATER transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +875,000
Change %: +15%
Price: $2.00^*
Shares after: 6,737,500
Date: 04 Aug 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ATER transaction Derivative

Series AAA Convertible Non-Redeemable Preferred Stock

Award

Transaction value
Shares: +1,750,000
Change %
Price: $2.00^*
Shares after: 1,750,000
Date: 17 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 236,425,000
Exercise price: $0.0148
Footnotes: F1, F2

ATER transaction Derivative

Series AA Convertible Non-Redeemable Preferred Stock

Conversion of derivative security

Transaction value
Shares: -875,000
Change %: -11%
Price: $0.000000^*
Shares after: 6,737,500
Date: 04 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 6,737,500
Exercise price: $0.2597
Footnotes: F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On July 17, 2026, the Reporting Person acquired 1,750,000 shares of Series AAA Convertible Non-Redeemable Preferred Stock at $2.00 per share (the "Series AAA Preferred Shares"), for an aggregate purchase price of $3,500,000, pursuant to the Securities Purchase Agreement dated April 27, 2026. Following receipt of the requisite stockholder approvals, each Series AAA Preferred Share may be converted into 135.1 shares of Common Stock (up to 236,425,000 shares in the aggregate) at a conversion price of $0.0148, for no additional consideration.

Footnote F2

Each of the Series AAA Preferred Shares and Series AA Convertible Non-Redeemable Preferred Stock (the "Series AA Preferred Shares") are perpetual and therefore have no expiration date.

Footnote F3

Following stockholder approval on July 17, 2026, the Series AA Preferred Shares are convertible into shares of Common Stock at the option of the Reporting Person for no additional consideration. On August 4, 2026, the Reporting Person converted 6,737,500 shares of his Series AA Preferred Shares.