AEHR VP Sporck reports RSU tax withholding

AEHR TEST SYSTEMS officer Alistair N. Sporck, VP Contactor Business Unit, reported routine equity activity.

Accepted by SEC EDGAR 07/13/2026 - 06:00 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

AEHR TEST SYSTEMS officer Alistair N. Sporck, VP Contactor Business Unit, reported routine equity activity. On July 13, 2026, 209 shares of common stock were withheld at $72.60 to satisfy tax obligations on vested restricted stock units, and this does not represent a sale. After these entries, Sporck holds 26,014 AEHR shares directly, including unvested RSUs, and 5,177 shares indirectly through a trust.

Insider Trade Summary

Tax Withholding: 209 shares

Tax Withholding 1 txn

Insider SPORCK ALISTAIR N

Role VP Contactor Business Unit

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1, F2	209	$72.60	$15K
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 26,014 shares (Direct); Common Stock — 5,177 shares (Indirect, By Trust)

Holdings Before and After: Common Stock, 26,223 to 26,014 shares (Direct)

Footnotes (2)

1. F1. 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. F2. The amount reported includes shares subject to unvested restricted stock units.

Key Figures

Shares withheld for taxes: 209.0000 shares Withholding price per share: $72.6000 per share Direct holdings after transaction: 26014.0000 shares +1 more

4 metrics

Shares withheld for taxes 209.0000 shares Shares withheld to satisfy tax withholding obligations upon RSU vesting

Withholding price per share $72.6000 per share Fair market value used for tax withholding on 209 shares

Direct holdings after transaction 26014.0000 shares Common stock directly held by Alistair N. Sporck after tax withholding, including unvested RSUs

Indirect holdings via trust 5177.0000 shares Common stock held indirectly by trust associated with Alistair N. Sporck

Key Terms

restricted stock units, tax withholding obligations, unvested restricted stock units

3 terms

restricted stock units financial

"upon vesting of restricted stock units. This does not represent"

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.

tax withholding obligations financial

"shares that were withheld to satisfy tax withholding obligations upon vesting"

unvested restricted stock units financial

"amount reported includes shares subject to unvested restricted stock units."

FAQ

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

What did AEHR (AEHR) executive Alistair Sporck report in this Form 4?

Alistair Sporck reported routine equity activity related to restricted stock units. 209 shares of AEHR common stock were withheld to cover tax obligations on RSU vesting, and his updated direct and indirect share holdings were disclosed.

How many AEHR (AEHR) shares were withheld for Alistair Sporck’s taxes, and at what price?

The Form 4 shows that 209 shares of AEHR common stock were withheld at $72.60 per share to satisfy tax withholding obligations triggered by the vesting of restricted stock units held by Alistair Sporck.

How many AEHR (AEHR) shares does Alistair Sporck hold after the reported transactions?

After the reported activity, Alistair Sporck holds 26,014 shares of AEHR common stock directly, including shares subject to unvested RSUs, and 5,177 shares indirectly through a trust associated with him.

Does Alistair Sporck’s Form 4 show an open-market sale of AEHR (AEHR) stock?

No. The Form 4 explains that the 209 shares were withheld to satisfy tax obligations on vesting restricted stock units and explicitly states that this does not represent a sale by Alistair Sporck.

What kind of indirect AEHR (AEHR) ownership does Alistair Sporck report?

Alistair Sporck reports indirect ownership of AEHR common stock "By Trust." The Form 4 lists 5,177 shares held indirectly through this trust, separate from his directly held shares.

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^*

SPORCK ALISTAIR N

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/13/2026

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	07/13/2026		F		209(1)	D	$72.6	26,014(2)	D
Common Stock								5,177	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	07/13/2026
	** 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)