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BCS

Notice of Proposed Sale · 144

Aehr Test Systems

AEHRNASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Aug 4, 2026Accepted Aug 4, 2026, 3:15 PM EDTFiling CIK 1040470Accession 0001949846-26-000462
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Structured filing — 144

primary_doc.xml

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer
AEHR TEST SYSTEMS
Issuer CIK
0001040470
SEC file number
000-22893
Phone
5106239400
Person for whose account securities are to be sold
SLAYEN HOWARD T
Relationships to issuer
Director
Street
400 KATO TERRACE
City
FREMONT
State / country code
CA
Postal code
94539

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common20,0002,179,600.0032,620,45008/04/2026NASDAQCharles Schwab Corp.

Broker / market maker — proposed row 1, entry 1

Name
Charles Schwab Corp.
Street
3000 Schwab Way
City
Westlake
State / country code
TX
Postal code
76262

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common08/02/2024Open market purchaseIssuer20,000N08/02/2024Cash

Prior-sale reporting

Nothing to report for the preceding three months
Y

Notice signature

Notice date
08/04/2026
Signed
HOWARD THEO SLAYEN

Company context

Headquartered in Fremont, California, Aehr Test Systems is a leading provider of test solutions for testing, burning-in, and stabilizing semiconductor devices in wafer-level, singulated die, and package-level form, and has installed thousands of systems worldwide. Increasing quality, reliability, safety, and security needs of semiconductors used across multiple applications, including advanced artificial intelligence (AI) processors, silicon photonics, data and telecommunications infrastructure, electric vehicles, electric vehicle charging infrastructure, solar and wind power, computing, and solid-state memory and storage are driving additional test requirements, incremental capacity needs, and new opportunities for Aehr’s products and solutions. Aehr has developed and introduced several innovative products including the FOX-PTM families of test and burn-in systems and FOX WaferPakTM Aligner, FOX WaferPak Contactor, FOX DiePak® Carrier and FOX DiePak Loader. The FOX-XP and FOX-NP systems are full-wafer contact and singulated die/module test and burn-in systems that can test, burn-in, and stabilize a wide range of devices such as leading-edge silicon carbide-based and other power semiconductors, 2D and 3D sensors used in mobile phones, tablets, and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices. The FOX-CP system is a low-cost single-wafer compact test solution for logic, memory and

Current securities

Recent company filings

  1. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsOct 29, 2026
  2. Submission of Matters to a Vote of Security HoldersOct 20, 2026
  3. ARS filingSep 10, 2026
  4. DEF 14A filingSep 9, 2026
  5. 4 filingSep 1, 2026

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