AEHR VP sells 2,000 shares in open-market trade

AEHR Test Systems vice president Alistair N. Sporck reported one open-market sale and one tax-related share withholding.

Rhea-AI Filing Summary

AEHR Test Systems vice president Alistair N. Sporck reported one open-market sale and one tax-related share withholding. On April 10, 2026, he sold 2,000 shares of common stock at $67.365 per share. On April 11, 2026, 220 shares were withheld to satisfy tax obligations upon vesting of restricted stock units, which the disclosure states does not represent a sale. Following these events, he holds 22,635 shares directly, and an additional 7,177 shares are held indirectly by a trust.

Insider Trade Summary

Net Seller: 2,000 shares

Net Sell 3 txns

Insider SPORCK ALISTAIR N

Role VP Contactor Business Unit

Sold 2,000 shs ($135K)

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	220	$70.43	$15K
Sale	Common Stock	2,000	$67.365	$135K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 22,635 shares (Direct); Common Stock — 7,177 shares (Indirect, By Trust)

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

Open-market sale: 2,000 shares at $67.365 Tax withholding shares: 220 shares at $70.430 Direct holdings after transactions: 22,635 shares +1 more

4 metrics

Open-market sale 2,000 shares at $67.365 Common stock sale on April 10, 2026

Tax withholding shares 220 shares at $70.430 Shares withheld for RSU tax obligations on April 11, 2026

Direct holdings after transactions 22,635 shares Direct AEHR common stock ownership following April 11, 2026

Indirect trust holdings 7,177 shares AEHR common stock held indirectly "By Trust" as of April 10, 2026

Key Terms

restricted stock units, tax withholding obligations, open-market sale, By Trust

4 terms

restricted stock units financial

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

tax withholding obligations financial

"Represents shares that were withheld to satisfy tax withholding obligations upon vesting of restricted stock units."

open-market sale financial

"Sale in open market or private transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

By Trust financial

"nature_of_ownership": "By Trust""

FAQ

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

What insider transactions did AEHR VP Alistair Sporck report in this Form 4?

Alistair N. Sporck reported selling 2,000 shares of AEHR common stock in an open-market transaction and a separate withholding of 220 shares to cover taxes on vested restricted stock units. The tax withholding is described as not being a sale by the reporting person.

How many AEHR shares did the VP sell and at what price?

The filing shows an open-market sale of 2,000 AEHR common shares at a price of $67.365 per share. This transaction is classified as a non-derivative, open-market sale and is the only explicit sale reported in the document.

What does the 220-share transaction in the AEHR Form 4 represent?

The 220-share transaction represents stock withheld to satisfy tax obligations when restricted stock units vested, at an implied value of $70.43 per share. The footnote explains this withholding does not represent a market sale by the reporting person.

How many AEHR shares does Alistair Sporck hold after these transactions?

After the reported transactions, Alistair N. Sporck directly holds 22,635 AEHR common shares. The filing also shows an additional 7,177 shares held indirectly by a trust, and the reported amount includes shares subject to unvested restricted stock units.

How is the trust ownership of AEHR shares described in the filing?

The filing lists 7,177 AEHR common shares as indirectly owned "By Trust." This entry is categorized as indirect ownership, indicating the shares are held through a trust rather than directly, while still being associated with the reporting person in the ownership table.

Does the AEHR Form 4 indicate any option exercises or derivative trades?

The transaction summary shows no derivative exercises or other derivative transactions. All reported activity involves AEHR common stock, consisting of one open-market sale, one tax withholding related to restricted stock units, and an indirect trust holding entry.

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

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Accepted by SEC EDGAR 04/14/2026 - 04:12 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)
04/10/2026

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	04/10/2026		S		2,000	D	$67.365	22,855	D
Common Stock	04/11/2026		F		220(1)	D	$70.43	22,635(2)	D
Common Stock								7,177	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	04/14/2026
	** 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)