How do unvested restricted stock units affect Alistair N. Sporck’s AEHR share totals?

A footnote states the reported share amounts include unvested restricted stock units. This means some of the shares in his totals are still subject to vesting conditions and are not yet fully unrestricted, though they are counted in his reported ownership.

AEHR Test Systems (AEHR) VP sells 2,000 shares in open-market trade

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

AEHR Test Systems VP Alistair N. Sporck sold shares in the company. On April 16, 2026, he executed an open-market sale of 2,000 shares of common stock at $81.8800 per share. After this sale, he directly holds 20,635 shares and indirectly holds 7,177 shares through a trust.

A footnote explains that the reported amounts include shares subject to unvested restricted stock units, meaning some of his reported holdings are still vesting and not yet fully unrestricted.

Insider Trade Summary

Net Seller: 2,000 shares ($163,760)

Net Sell 2 txns

Insider SPORCK ALISTAIR N

Role VP Contactor Business Unit

Sold 2,000 shs ($164K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,000	$81.88	$164K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 20,635 shares (Direct); Common Stock — 7,177 shares (Indirect, By Trust)

Footnotes (1)

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Key Figures

Shares sold: 2,000 shares Sale price per share: $81.8800 per share Direct holdings after transaction: 20,635 shares +1 more

4 metrics

Shares sold 2,000 shares Open-market sale of common stock on April 16, 2026

Sale price per share $81.8800 per share Price for the 2,000-share open-market sale

Direct holdings after transaction 20,635 shares Direct AEHR common stock held following the sale

Indirect holdings after transaction 7,177 shares Indirect AEHR common stock held by trust

Key Terms

open-market sale, indirect, restricted stock units, Form 4

4 terms

open-market sale financial

"transaction_action": "open-market sale""

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.

indirect financial

"ownership_type": "indirect""

restricted stock units financial

"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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

04/17/2026 - 07:17 PM

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)
04/16/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/16/2026		S		2,000	D	$81.88	20,635⁽¹⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

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

Remarks:

	/s/Chris Siu, Attorney-in-Fact	04/17/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did AEHR VP Alistair N. Sporck report on Form 4 for AEHR?

Alistair N. Sporck reported selling 2,000 shares of AEHR common stock in an open-market transaction. The sale occurred on April 16, 2026, at $81.8800 per share. This filing also updates his remaining direct and indirect share holdings in the company.

At what price did AEHR VP Alistair N. Sporck sell his 2,000 AEHR shares?

He sold 2,000 AEHR common shares at $81.8800 per share in an open-market transaction. This price is the reported transaction price on the Form 4 and is used to calculate the total value of the disposition for this specific trade.

How many AEHR shares does Alistair N. Sporck hold after the reported sale?

After the sale, Alistair N. Sporck holds 20,635 AEHR shares directly. He also has 7,177 AEHR shares reported as indirectly owned through a trust. Together, these figures represent his updated reported ownership position following the April 16, 2026 transaction.

What does indirect ownership "By Trust" mean in Alistair N. Sporck’s AEHR filing?

Indirect ownership "By Trust" means 7,177 AEHR shares are held through a trust rather than directly in his name. The Form 4 indicates this separate line of ownership, reflecting a distinct account structure while still being associated with the reporting person.