SEPTInvestingStart Free

ATER SCHEDULE 13D/A: Insider sale planned

Filed with the SEC on · accession 0001829126-26-010591

ATER filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Sep 29, 2026. Director David Elliot Lazar agreed to sell 706,100 Series AA and 1,750,000 Series AAA convertible preferred shares of Aterian to a group of purchasers, which upon conversion would represent approximately 92.5% of the company's common stock on a fully diluted basis. The stock moved -2.8% by the first close after the filing.

Summary of the filing

Director David Elliot Lazar agreed to sell 706,100 Series AA and 1,750,000 Series AAA convertible preferred shares of Aterian to a group of purchasers, which upon conversion would represent approximately 92.5% of the company's common stock on a fully diluted basis. The sale was effected under Section 4(a)(7) and Regulation S exemptions.

For details, click here →

Key details

Aggregate gross proceeds from original preferred stock investment$7.0M
Series AA preferred shares soldshares 706K
Series AAA preferred shares soldshares 1.8M
Underlying common shares upon conversionshares 241.9M
IssuerAterian, Inc.
Placement agentJH Darbie & Co., Inc.
Escrow agentContinental Stock Transfer & Trust Company
Asset sale counterpartyTrademark Global, LLC
Director of aterian, inc.David Elliot Lazar

How ATER stock reacted

Close before

$0.65

Sep 28, 2026

First close after

-2.82%

$0.63

5 trading days

-1.99%

$0.64

Since filing

+31.47%

$0.85

✦ Ask GOAX AI about this filing — what it means for ATER, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for ATER?

Click here

Frequently asked questions

What did ATER file with the SEC on Sep 29, 2026?

ATER filed a SCHEDULE 13D/A (Insider sale planned). Director David Elliot Lazar agreed to sell 706,100 Series AA and 1,750,000 Series AAA convertible preferred shares of Aterian to a group of purchasers, which upon conversion would represent approximately 92.5% of the company's common stock on a fully diluted basis. The sale was effected under Section 4(a)(7) and Regulation S exemptions.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did ATER stock react to this filing?

ATER closed at $0.65 before the filing and $0.63 on Sep 29, 2026 (-2.82%). Five trading days later: $0.64 (-1.99%).

Other ATER SEC filings

Get alerts when ATER files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
ATER overviewATER analysisATER newsLatest SEC filings