Aehr director sells 8,787 common shares

Aehr Test Systems director Rhea J. Posedel reported an open-market sale of 8,787 shares of Common Stock at an average price of $96.0233 per share.

Accepted by SEC EDGAR 04/21/2026 - 06:14 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Aehr Test Systems director Rhea J. Posedel reported an open-market sale of 8,787 shares of Common Stock at an average price of $96.0233 per share. The transaction occurred on April 21, 2026 and was recorded as a non-derivative sale.

Following the sale, she directly holds 62,376 Aehr shares. A separate indirect holding entry shows 396,979 shares held by a trust, and a footnote explains that this amount includes shares subject to unvested restricted stock units.

Insider Trade Summary

Net Seller: 8,787 shares

Net Sell 1 txn

Insider POSEDEL RHEA J

Role Director

Sold 8,787 shs ($844K)

Share of Position Sold 12.3%

Type	Security	Shares	Price	Value
Sale	Common Stock	8,787	$96.0233	$844K
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 62,376 shares (Direct); Common Stock — 396,979 shares (Indirect, By Trust)

Holdings Before and After: Common Stock, 71,163 to 62,376 shares (Direct)

Other Insiders: 10 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. The amount reported includes shares subject to unvested restricted stock units.

Key Figures

Shares sold: 8,787 shares Sale price: $96.0233 per share Direct holdings after sale: 62,376 shares +2 more

5 metrics

Shares sold 8,787 shares Open-market sale of Common Stock on April 21, 2026

Sale price $96.0233 per share Average price for 8,787-share sale

Direct holdings after sale 62,376 shares Common Stock directly owned post-transaction

Indirect holdings by trust 396,979 shares Shares held indirectly by trust, including unvested RSUs

Net share change -8,787 shares Net buy/sell shares across reported transactions

Key Terms

open-market sale, restricted stock units, indirect ownership, Form 4

4 terms

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

restricted stock units financial

"includes shares subject to unvested restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

indirect ownership financial

"direct_or_indirect": "I","nature_of_ownership": "By Trust""

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What insider transaction did AEHR director Rhea J. Posedel report?

Rhea J. Posedel reported an open-market sale of 8,787 shares of Aehr Test Systems Common Stock. The shares were sold on April 21, 2026 at an average price of $96.0233 per share, according to the Form 4 filing.

How many AEHR shares did Rhea J. Posedel hold directly after the sale?

After the reported sale, Rhea J. Posedel directly held 62,376 shares of Aehr Test Systems Common Stock. This post-transaction figure reflects her remaining direct ownership position disclosed in the Form 4 filing for April 21, 2026.

What indirect AEHR holdings does Rhea J. Posedel report by trust?

The Form 4 shows an indirect holding of 396,979 Aehr Test Systems shares held by a trust. A footnote states that this amount includes shares subject to unvested restricted stock units, indicating part of the position relates to equity awards.

Was the AEHR director’s transaction a buy or a sell?

The transaction was a sale. Rhea J. Posedel executed an open-market sale of 8,787 shares of Aehr Test Systems Common Stock at an average price of $96.0233 per share, as reported with transaction code “S” on the Form 4.

Does the AEHR Form 4 mention restricted stock units?

Yes. A footnote explains that the reported 396,979 shares held indirectly by trust include shares subject to unvested restricted stock units. This clarifies that part of the indirect position comes from equity awards that have not yet fully vested.

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

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SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

POSEDEL RHEA J

(Last) (First) (Middle)

C/O AEHR TEST SYSTEMS

400 KATO TERRACE

(Street)

FREMONT CALIFORNIA 94539

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AEHR TEST SYSTEMS [ AEHR ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/21/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/21/2026		S		8,787	D	$96.0233	62,376(1)	D
Common Stock								396,979	I	By Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The amount reported includes shares subject to unvested restricted stock units.

Remarks:

	/s/Chris Siu, Attorney-in-Fact	04/21/2026
	** 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 4 (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 4: SEC 1474 (03-26)