[Form 4] AEHR TEST SYSTEMS Insider Trading Activity

AEHR Test Systems reported insider transactions by its President and CEO/Director.

Rhea-AI Filing Summary

AEHR Test Systems reported insider transactions by its President and CEO/Director. On 10/13/2025 and 10/14/2025, the reporting person had F-code share withholdings to cover taxes upon vesting of equity awards: 3,791 shares at $25.52 and 3,448 shares at $27.29. The filer notes this does not represent a sale.

Following these transactions, beneficial ownership stood at 261,914 shares direct and 291,628 shares indirect by Trust. The direct amount reported includes shares subject to unvested restricted stock units and unvested restricted shares.

Insider Trade Summary

Exercise Price or Tax Liability: 7,239 shares

Exercise Price or Tax Liability 3 txns

Insider Erickson Gayn

Role President and CEO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	3,448	$27.29	$94K
Exercise Price or Tax Liability	Common Stock	3,791	$25.52	$97K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 261,914 shares (Direct); Common Stock — 291,628 shares (Indirect, By Trust)

Footnotes (3)

1. F1. Represents shares that were withheld to satisfy tax withholding obligations upon vesting of restricted stock units and restricted shares. This does not represent a sale by the Reporting Person.
2. F2. The amount reported includes shares subject to unvested restricted stock units and unvested restricted shares.
3. F3. RSA with vesting schedule

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Accepted by SEC EDGAR 10/14/2025 - 07:03 PM Learn about SEC filing dates

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).

1. Name and Address of Reporting Person^*

Erickson Gayn

(Last) (First) (Middle)

C/O AEHR TEST SYSTEMS

400 KATO TERRACE

(Street)

FREMONT CA 94539

(City) (State) (Zip)

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
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
10/13/2025

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

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 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	10/13/2025		F		3,791(1)	D	$25.52	265,362(2)	D
Common Stock	10/14/2025		F		3,448(1)	D	$27.29	261,914(2)	D
Common Stock(3)								291,628	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. Represents shares that were withheld to satisfy tax withholding obligations upon vesting of restricted stock units and restricted shares. This does not represent a sale by the Reporting Person.

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

3. RSA with vesting schedule

Remarks:

	/s/Chris Siu, Attorney-in-Fact	10/14/2025
	** 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.