Aterian: Chang Woei Jiann buys $1.3M preferred shares

The post-transaction ownership entry lists 26,121,180 Common Stock shares as held directly by Chang Woei Jiann.

Rhea-AI Filing Summary

At Aterian, Inc., 10% owner Chang Woei Jiann, as one of multiple purchasers, agreed to purchase 193,347 shares of Series AAA Preferred Stock from seller David E. Lazar for an aggregate purchase price of $1,296,000 under an agreement entered into September 1, 2026. The contemplated transactions occurred September 25, 2026, and the preferred shares were subsequently converted into 26,121,180 shares of Common Stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Chang Woei Jiann

Role 10% Owner

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 26,121,180 shares (Direct)

Key Figures

Series AAA Preferred Stock shares purchased: 193,347 shares Aggregate purchase price: $1,296,000 Common Stock shares after conversion: 26,121,180 shares

3 metrics

Series AAA Preferred Stock shares purchased 193,347 shares Private transaction

Aggregate purchase price $1,296,000 Purchase of Series AAA Preferred Stock shares

Common Stock shares after conversion 26,121,180 shares Reported as Chang Woei Jiann’s direct holdings after the transaction

Key Terms

Securities Purchase Agreement, Series AAA Preferred Stock, aggregate purchase price, par value

4 terms

Securities Purchase Agreement financial

"entered into a Securities Purchase Agreement"

A securities purchase agreement is a written contract between a buyer and a seller outlining the terms for buying or selling financial assets such as stocks or bonds. It specifies details like the price, quantity, and conditions of the transaction, similar to a shopping list with agreed-upon terms. For investors, it provides clarity and legal protection when transferring ownership of these financial instruments.

Series AAA Preferred Stock financial

"193,347 shares of Series AAA Preferred Stock"

aggregate purchase price financial

"for an aggregate purchase price of $1,296,000"

The aggregate purchase price is the total amount a buyer pays to acquire a company, assets or securities, including the headline payment plus any assumed debt, fees, taxes and contractually required adjustments. It matters to investors because it shows the true cost of a deal and how much value must be realized after the sale — like knowing the full price of a house once you add closing costs, repairs and outstanding mortgage obligations.

par value financial

"Common Stock, $0.0001 par value per share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ATER shares did Chang Woei Jiann acquire?

The 193,347 Series AAA Preferred Stock shares he purchased were subsequently converted into 26,121,180 Aterian Common Stock shares.

What did Chang Woei Jiann pay for ATER shares?

As one of multiple purchasers, Chang Woei Jiann agreed to purchase the shares for an aggregate purchase price of $1,296,000 from seller David E. Lazar. The agreement was entered into September 1, 2026, and its contemplated transactions occurred September 25, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/02/2026 - 05:19 PM Accepted by SEC EDGAR 10/02/2026 - 05:19 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Chang Woei Jiann

(Last) (First) (Middle)

NO. 03-03, BLOK 68

TAMAN UNGKU TUN AMINAH

(Street)

SKUDAI 81300

(City) (State) (Zip)

MALAYSIA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
09/25/2026

3. Issuer Name and Ticker or Trading Symbol
Aterian, Inc. [ ATER ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	26,121,180	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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.

	/s/ Chang Woei Jiann	10/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)