Aehr Test Systems (AEHR) CEO has shares withheld for RSU taxes

Rhea-AI Filing Summary

Aehr Test Systems President and CEO Erickson Gayn reported a tax-withholding disposition of 3,447 shares of common stock at $72.01 per share to cover taxes upon vesting of restricted stock units and restricted shares, which is described as not an open-market sale. Following this, he holds 198,578 shares directly, including unvested awards, and 197,723 shares indirectly through a trust.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Erickson Gayn

Role President and CEO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	3,447	$72.01	$248K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 198,578 shares (Direct); Common Stock — 197,723 shares (Indirect, By Trust)

Footnotes (1)

1. Represents shares that were withheld to satisfy tax withholding obligations upon vesting of restricted stock units and restricted shares. This does not represent a sale by the Reporting Person. The amount reported includes shares subject to unvested restricted stock units and unvested restricted shares.

Key Figures

Shares withheld for taxes: 3,447 shares Tax withholding price: $72.01 per share Direct holdings after transaction: 198,578 shares +1 more

4 metrics

Shares withheld for taxes 3,447 shares Shares withheld to satisfy tax obligations upon vesting on 2026-07-14

Tax withholding price $72.01 per share Valuation price for the 3,447-share tax-withholding disposition

Direct holdings after transaction 198,578 shares Common stock held directly by Erickson Gayn after 2026-07-14, including unvested awards

Indirect holdings by trust 197,723 shares Common stock held indirectly through a trust after the 2026-07-14 holding entry

Key Terms

restricted stock units, tax withholding obligations, unvested restricted shares, By Trust

4 terms

restricted stock units financial

"upon vesting of restricted stock units and restricted shares"

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

"withheld to satisfy tax withholding obligations upon vesting"

unvested restricted shares financial

"includes shares subject to unvested restricted stock units and unvested restricted shares"

By Trust financial

"nature_of_ownership: By Trust for 197,723 indirectly held shares"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/15/2026 - 04:33 PM Accepted by SEC EDGAR 07/15/2026 - 04:33 PM Learn about SEC filing dates

FAQ

What did Aehr Test Systems (AEHR) President and CEO Erickson Gayn report in this Form 4?

Erickson Gayn reported a tax-withholding disposition of 3,447 Aehr Test Systems shares at $72.01 per share. The shares were withheld to cover taxes on vesting restricted stock units and restricted shares and are explicitly described as not an open-market sale.

How many AEHR shares does CEO Erickson Gayn hold after the reported transactions?

After the reported activity, Erickson Gayn holds 198,578 Aehr Test Systems common shares directly and 197,723 shares indirectly through a trust. The direct holdings figure includes shares subject to unvested restricted stock units and unvested restricted shares according to the disclosure footnotes.

Was the 3,447-share disposition by AEHR’s CEO an open-market sale?

No. The 3,447-share disposition is identified as shares withheld to satisfy tax withholding obligations on vesting equity awards. A footnote states this withholding "does not represent a sale" by Erickson Gayn, distinguishing it from an open-market transaction in Aehr Test Systems stock.

At what price were the withheld AEHR shares valued for the CEO’s tax obligations?

The 3,447 shares withheld from Erickson Gayn for taxes were valued at $72.01 per share. This price is used in the tax-withholding disposition entry covering restricted stock units and restricted shares that vested on the reported transaction date.

Do CEO Erickson Gayn’s reported AEHR holdings include unvested restricted stock units?

Yes. A footnote explains that the reported holdings include shares subject to unvested restricted stock units and unvested restricted shares. This means part of the 198,578 directly held Aehr Test Systems shares relates to equity awards that have not yet fully vested.

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^*

Erickson Gayn

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/14/2026

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	07/14/2026		F		3,447(1)	D	$72.01	198,578(2)	D
Common Stock								197,723	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 and restricted shares. This does not represent a sale by the Reporting Person.

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

Remarks:

	/s/Chris Siu, Attorney-in-Fact	07/15/2026
	** 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)