Aehr Test Systems director sells 20,000 shares

Howard T. Slayen, a director of Aehr Test Systems, sold 20,000 shares of common stock on 2026-08-04 at an average price of $108.2961 per share in a sale classified as an open-market or private transaction.

Accepted by SEC EDGAR 08/04/2026 - 09:16 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Howard T. Slayen, a director of Aehr Test Systems, sold 20,000 shares of common stock on 2026-08-04 at an average price of $108.2961 per share in a sale classified as an open-market or private transaction. Following the sale, he directly holds 146,367 shares, which include shares subject to unvested restricted stock units.

Insider Trade Summary

Net Seller: 20,000 shares

Net Sell 1 txn

Insider SLAYEN HOWARD T

Role Director

Sold 20,000 shs ($2.17M)

Share of Position Sold 12.0%

Type	Security	Shares	Price	Value
Sale	Common Stock F1	20,000	$108.2961	$2.17M

Holdings After Transaction: Common Stock — 146,367 shares (Direct)

Holdings Before and After: Common Stock, 166,367 to 146,367 shares (Direct)

Other Insiders: 1 other insider 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: 20,000 shares Sale price per share: $108.2961 Shares held after transaction: 146,367 shares +1 more

4 metrics

Shares sold 20,000 shares Common Stock sale reported by director on 2026-08-04

Sale price per share $108.2961 Average price for the 20,000 shares sold

Shares held after transaction 146,367 shares Direct holdings after sale, including unvested restricted stock units

Net shares sold 20,000 shares Net sell direction across all reported transactions in this Form 4

Key Terms

restricted stock units, Common Stock, open market or private transaction

3 terms

restricted stock units financial

"The amount reported 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.

Common Stock financial

"security_title: Common Stock; non-derivative security sold by the director."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open market or private transaction financial

"transaction_code_description: Sale in open market or private transaction"

FAQ

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

What did Aehr (AEHR) director Howard T. Slayen report in this Form 4?

Howard T. Slayen reported a sale of 20,000 shares of Aehr Test Systems common stock. The transaction occurred on 2026-08-04 and was coded as a sale in an open-market or private transaction under SEC rules.

At what price did the AEHR director sell shares in this filing?

The director’s reported sale was executed at an average price of $108.2961 per share. This per-share figure reflects the transaction price disclosed for the 20,000 shares of Aehr Test Systems common stock sold on 2026-08-04.

How many AEHR shares does Howard T. Slayen hold after the reported sale?

After the sale, Howard T. Slayen directly holds 146,367 shares of Aehr Test Systems common stock. This total includes shares that are subject to unvested restricted stock units, as noted in the filing’s footnote.

Does the AEHR Form 4 indicate use of a Rule 10b5-1 trading plan?

The Rule 10b5-1 trading plan checkbox in the filing is not checked. The sale is therefore not affirmatively identified as being made pursuant to a Rule 10b5-1 or other pre-arranged trading plan within this disclosure.

What type of security did the AEHR director sell in this Form 4?

The reported transaction involves Common Stock of Aehr Test Systems. The filing lists a sale of 20,000 non-derivative common shares, with no accompanying derivatives exercises or related derivative positions reported in this specific Form 4.

Do Slayen’s post-transaction AEHR holdings include unvested equity awards?

Yes. A footnote explains that the 146,367 shares reported as held after the transaction include shares underlying unvested restricted stock units, meaning the total reflects both vested and certain unvested equity interests.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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^*

SLAYEN HOWARD T

(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)
08/04/2026

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	08/04/2026		S		20,000	D	$108.2961	146,367(1)	D

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	08/04/2026
	** 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)