AEHR VP Sporck sells 1,000 company shares

AEHR TEST SYSTEMS executive Alistair N. Sporck, VP Contactor Business Unit, reported selling 1,000 shares of common stock on 2026-08-10 at $108.49 per share.

Rhea-AI Filing Summary

AEHR TEST SYSTEMS executive Alistair N. Sporck, VP Contactor Business Unit, reported selling 1,000 shares of common stock on 2026-08-10 at $108.49 per share. After the sale, he holds 22,547 directly (including unvested restricted stock units) and 5,177 shares indirectly through a trust.

Insider Trade Summary

Net Seller: 1,000 shares

Net Sell 2 txns

Insider SPORCK ALISTAIR N

Role VP Contactor Business Unit

Sold 1,000 shs ($108K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	1,000	$108.49	$108K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 22,547 shares (Direct); Common Stock — 5,177 shares (Indirect, By Trust)

Footnotes (1)

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

Key Figures

Shares sold: 1,000 shares Sale price: $108.49 per share Direct holdings after sale: 22,547 shares +2 more

5 metrics

Shares sold 1,000 shares Non-derivative sale of common stock on 2026-08-10

Sale price $108.49 per share Price for 1,000 AEHR common shares sold

Direct holdings after sale 22,547 shares Direct common stock ownership, including unvested RSUs, after transaction

Indirect holdings after sale 5,177 shares Indirect ownership by trust following reported transaction

Net shares sold 1,000 shares Net share change across reported buy/sell transactions

Key Terms

restricted stock units, indirect, By Trust, non-derivative

4 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.

indirect financial

"Indirect ownership of 5,177 shares is reported with nature of ownership "By Trust"."

By Trust financial

"Nature of ownership for 5,177 indirectly held shares is listed as "By Trust"."

non-derivative financial

"The sale of 1,000 shares of common stock is reported as a non-derivative transaction."

FAQ

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

What insider sale did AEHR (AEHR) report for Alistair N. Sporck?

AEHR executive Alistair N. Sporck reported selling 1,000 shares of common stock on 2026-08-10 at $108.49 per share. The transaction was reported as a non-derivative sale of AEHR common stock.

How many AEHR (AEHR) shares does Alistair N. Sporck hold after this Form 4?

Following the sale, Alistair N. Sporck holds 22,547 AEHR shares directly and 5,177 shares indirectly through a trust. The direct amount includes shares subject to unvested restricted stock units as noted in the filing footnote.

What price did Alistair N. Sporck receive for AEHR (AEHR) shares sold?

Alistair N. Sporck’s reported transaction shows a sale of 1,000 AEHR shares at a price of $108.49 per share. This per-share figure reflects the transaction price disclosed for the 2026-08-10 trade.

What portion of Alistair N. Sporck’s AEHR (AEHR) holdings are indirect?

In addition to direct ownership, Alistair N. Sporck reports 5,177 AEHR shares held indirectly with nature of ownership described as “By Trust”. These indirect holdings are separate from his 22,547 directly owned shares.

Does Alistair N. Sporck’s AEHR (AEHR) direct holding include unvested RSUs?

Yes. A filing footnote states the reported direct amount includes shares subject to unvested restricted stock units. This means some of Sporck’s 22,547 directly held shares relate to equity awards that have not yet fully vested.

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

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Accepted by SEC EDGAR 08/11/2026 - 02:18 PM EDT 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).

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)
08/10/2026

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	08/10/2026		S		1,000	D	$108.49	22,547(1)	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. The amount reported includes shares subject to unvested restricted stock units.

Remarks:

	/s/Chris Siu, Attorney-in-Fact	08/11/2026
	** 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)