[Form 4] AEHR TEST SYSTEMS Insider Trading Activity

Rhea-AI Filing Summary

AEHR Test Systems (AEHR) Form 4 shows an insider transaction dated 10/02/2025 by Alistair N. Sporck, listed as a company officer. The filing records 51 shares removed from his holdings under Code F at a price of $32.25; the filer explains these shares were withheld to satisfy tax withholding on vested restricted stock units rather than sold on the open market. After the withholding, the reporting person is shown as beneficially owning 29,904 shares directly and 5,214 shares indirectly through a trust, with some shares still subject to unvested restricted stock units. The form is signed by an attorney-in-fact on 10/08/2025.

Positive

• Withholding was for taxes, not an open-market sale, indicating no active sale pressure from this event
• Substantial retained direct ownership of 29,904 shares suggests continued insider stake
• Transaction fully explained by the filer as tax withholding, improving transparency

Negative

• Reduction in reported shares (51 shares withheld) slightly lowers insider-held float
• Some holdings remain unvested, which could convert to taxable events and potential future withholdings or sales

Insights

Corporate Governance / Insider Transactions

TL;DR: A routine RSU tax withholding reduced reported shares; no open-market sale is shown.

The filing records a Code F transaction for 51 shares at $32.25 on 10/02/2025, with the filer stating these shares were withheld to satisfy tax obligations on vested restricted stock units. This mechanism is commonly used to cover taxes without generating a market sale.

Reported post-transaction holdings show 29,904 shares direct and 5,214 shares indirect (by trust), and the form notes inclusion of unvested RSUs in the reported amount. Monitor scheduled vesting events and any future open-market sales for changes in insider liquidity within the next 12 months.

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
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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^*

SPORCK ALISTAIR N

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP Contactor Business Unit

3. Date of Earliest Transaction (Month/Day/Year)
10/02/2025

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	10/02/2025		F		51(1)	D	$32.25	29,904(2)	D
Common Stock								5,214	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. This does not represent a sale by the Reporting Person.

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

Remarks:

	/s/Chris Siu, Attorney-in-Fact	10/08/2025
	** 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.

FAQ

What did the AEHR Form 4 filed by Alistair N. Sporck report?

It reported a Code F transaction on 10/02/2025 where 51 shares were withheld at $32.25 to satisfy tax withholding on vested restricted stock units.

Does the Form 4 show an open-market sale by the insider (AEHR)?

No. The filing explicitly states the shares were withheld for taxes upon vesting and were not sold on the open market.

How many AEHR shares does the reporting person own after this transaction?

The filing shows 29,904 shares owned directly and 5,214 shares held indirectly by a trust following the transaction.

Who signed the Form 4 for AEHR and when was it signed?

The Form 4 is signed by Chris Siu, Attorney-in-Fact on 10/08/2025.

What does Code F mean on this Form 4 for AEHR?

In this filing, Code F corresponds to shares withheld to satisfy tax withholding obligations upon vesting of restricted stock units, as explained in the Form 4.

Are unvested RSUs included in AEHR's reported holdings?

Yes. The filing states the reported amounts include shares subject to unvested restricted stock units.