STOCK TITAN

[Form 4] AEHR TEST SYSTEMS Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Aehr Test Systems VP Alistair N. Sporck reported routine share movements involving compensation and employee purchase activity. On April 2, 298 shares of common stock at $44.32 per share were withheld to satisfy tax obligations upon vesting of restricted stock units, which the company states does not represent a sale. After this, he held 24,855 shares directly, including shares subject to unvested restricted stock units. On April 1, a separate 1,963-share transaction at $6.6725 per share, held indirectly by a trust, reflects shares purchased through the company’s employee stock purchase plan, which is described as a tax-conditioned plan exempt from certain Section 16 short-swing liability, with 7,177 shares held indirectly following that transaction.

Positive

  • None.

Negative

  • None.
Insider SPORCK ALISTAIR N
Role VP Contactor Business Unit
Type Security Shares Price Value
Tax Withholding Common Stock 298 $44.32 $13K
Other Common Stock 1,963 $6.6725 $13K
Holdings After Transaction: Common Stock — 24,855 shares (Direct); Common Stock — 7,177 shares (Indirect, By Trust)
Footnotes (1)
  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. The amount reported includes shares subject to unvested restricted stock units. These shares have been purchased through the Company's Amended and Restated 2006 Employee Stock Purchase Plan, a "tax-conditioned plan" per Internal Revenue Code Section 423. This purchase is exempt from Section 16 of the Securities Exchange Act of 1934 regarding liabilities arising from six-month short-swing transactions in the Company's securities.
Tax withholding shares 298 shares at $44.32 Shares withheld for RSU tax obligations on April 2
Direct holdings after tax withholding 24,855 shares Direct common stock position following April 2 transaction
ESPP-related shares 1,963 shares at $6.6725 Employee Stock Purchase Plan transaction on April 1
Indirect trust holdings 7,177 shares Common stock held indirectly by trust after April 1 transaction
Tax withholding total 298 shares Tax-withholding shares summarized in transactionSummary
Restructuring shares 1,963 shares Other transaction (restructuring) shares summarized in transactionSummary
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-conditioned plan financial
"a "tax-conditioned plan" per Internal Revenue Code Section 423."
Employee Stock Purchase Plan financial
"These shares have been purchased through the Company's Amended and Restated 2006 Employee Stock Purchase Plan"
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
Section 16 regulatory
"This purchase is exempt from Section 16 of the Securities Exchange Act of 1934"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
short-swing transactions regulatory
"regarding liabilities arising from six-month short-swing transactions in the Company's securities."
SEC Form 4
FORM 4UNITED 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
VP Contactor Business Unit
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock04/02/2026F298(1)D$44.3224,855(2)D
Common Stock04/01/2026J1,963(3)A$6.67257,177IBy 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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.
3. These shares have been purchased through the Company's Amended and Restated 2006 Employee Stock Purchase Plan, a "tax-conditioned plan" per Internal Revenue Code Section 423. This purchase is exempt from Section 16 of the Securities Exchange Act of 1934 regarding liabilities arising from six-month short-swing transactions in the Company's securities.
Remarks:
/s/Chris Siu, Attorney-in-Fact04/02/2026
** Signature of Reporting PersonDate
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)

FAQ

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

Alistair Sporck reported two routine transactions: 298 shares withheld for tax obligations on RSU vesting and a 1,963-share transaction through the employee stock purchase plan held indirectly by a trust, both involving Aehr Test Systems common stock.

Did the AEHR Form 4 show Alistair Sporck selling shares on the open market?

No, the filing states 298 shares were withheld to cover tax obligations on vested restricted stock units, explicitly noting this does not represent a sale, and the 1,963-share transaction involved shares purchased through an employee stock purchase plan.

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

Following the reported transactions, Alistair Sporck holds 24,855 Aehr Test Systems shares directly, including unvested RSUs, and 7,177 shares indirectly through a trust, according to the share balances listed after each transaction in the Form 4.

What is the significance of the 298 AEHR shares withheld at $44.32?

The 298 shares at $44.32 per share were withheld to satisfy tax withholding obligations when restricted stock units vested. The company clarifies this withholding is not a market sale by Sporck but a mechanistic tax payment using shares.

What does the 1,963-share AEHR transaction at $6.6725 represent?

The 1,963-share transaction at $6.6725 per share reflects shares acquired through Aehr’s Amended and Restated 2006 Employee Stock Purchase Plan, held indirectly by a trust and described as a tax-conditioned plan exempt from certain Section 16 short-swing transaction liabilities.

How are indirect AEHR holdings by trust disclosed for Alistair Sporck?

Indirect holdings are shown as 7,177 Aehr shares following the 1,963-share transaction, with the Form 4 identifying ownership as "By Trust," indicating the shares are held through a trust rather than directly in Sporck’s own name.