Aehr Test Systems CEO has 851 shares withheld for taxes

The reported direct position includes unvested restricted stock units and restricted shares, alongside 158,776 shares held indirectly through a trust.

Rhea-AI Filing Summary

AEHR Test Systems President and CEO Gayn Erickson had 851 shares withheld on October 27, 2026, to satisfy tax-withholding obligations upon vesting of restricted stock units and restricted shares; this was not a sale. The reported price was $63.95 per share. After the transaction, his reported direct holdings were 190,257 shares, including unvested restricted stock units and restricted shares, and his reported indirect holdings through a trust were 158,776 shares.

Insider Trade Summary

Tax Withholding: 851 shares

Tax Withholding 2 txns

Insider Erickson Gayn

Role President and CEO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1, F2	851	$63.95	$54K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 190,257 shares (Direct); Common Stock — 158,776 shares (Indirect, By Trust)

Footnotes (2)

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

Key Figures

Shares withheld: 851 shares Reported price per share: $63.95 per share Direct holdings after transaction: 190,257 shares +1 more

4 metrics

Shares withheld 851 shares October 27, 2026, for tax withholding upon vesting

Reported price per share $63.95 per share October 27, 2026 transaction

Direct holdings after transaction 190,257 shares Includes shares subject to unvested restricted stock units and unvested restricted shares

Indirect holdings through trust 158,776 shares Reported October 27, 2026

Key Terms

restricted stock units, tax withholding obligations, unvested restricted shares

3 terms

restricted stock units financial

"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

"satisfy tax withholding obligations"

unvested restricted shares financial

"unvested restricted shares"

FAQ

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

How many AEHR shares were withheld, and at what price?

Gayn Erickson had 851 shares withheld at a reported $63.95 per share on October 27, 2026, to satisfy tax-withholding obligations upon vesting of restricted stock units and restricted shares. The footnote says this was not a sale.

How many AEHR shares did Gayn Erickson hold after the transaction?

His reported direct holdings were 190,257 shares after the transaction, including shares subject to unvested restricted stock units and unvested restricted shares. His reported indirect holdings through a trust were 158,776 shares.

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

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Available on EDGAR 10/27/2026 - 08:04 PM EDT Accepted by SEC EDGAR 10/27/2026 - 08:04 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^*

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)
10/27/2026

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	10/27/2026		F		851(1)	D	$63.95	190,257(2)	D
Common Stock								158,776	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	10/27/2026
	** 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)