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BCS

Notice of Proposed Sale · 144

Richardson Electronics, Ltd.

RELLNASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Jul 28, 2026Accepted Jul 28, 2026, 11:12 AM EDTFiling CIK 355948Accession 0001959173-26-005398
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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
RICHARDSON ELECTRONICS, LTD.
Issuer CIK
0000355948
SEC file number
000-12906
Phone
630 208-2200
Person for whose account securities are to be sold
Halverson Kenneth
Relationships to issuer
Director
Street
40W267 KESLINGER RD
Street (continued)
PO BOX 393
City
LAFOX
State / country code
IL
Postal code
60147

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common5,00091,900.0012,520,25107/28/2026NASDAQFidelity Brokerage Services LLC

Broker / market maker — proposed row 1, entry 1

Name
Fidelity Brokerage Services LLC
Street
245 Summer Street
City
Boston
State / country code
MA
Postal code
02110

Acquisition of securities to be sold

Acquisition of securities to be sold · 2 reported rows
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common04/22/2024OPEN MARKET PURCHASEMARKET2,500N04/22/2024Cash/Check
Common01/29/2024OPEN MARKET PURCHASEMARKET2,500N01/29/2024Cash/Check

Prior-sale reporting

Nothing to report for the preceding three months
Y

Notice signature

Notice date
07/28/2026
Signed
/s/ Cristina Garcia, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Halverson Kenneth

Company context

Richardson Electronics, Ltd. is a leading global manufacturer of engineered solutions, green energy products, power grid and microwave tubes, and related consumables; power conversion and RF and microwave components including green energy solutions; tubes for diagnostic imaging equipment; and customized display solutions. More than 55% of our products are manufactured in LaFox, Illinois, Marlborough, Massachusetts, or Donaueschingen, Germany, or by one of our manufacturing partners throughout the world. All our partners manufacture to our strict specifications and per our Supplier Code of Conduct. We serve customers in alternative energy, healthcare, aviation, broadcast, communications, industrial, marine, medical, military, scientific, and semiconductor markets. The Company’s strategy is to provide specialized technical expertise and “engineered solutions” based on our core engineering and manufacturing capabilities. The Company provides solutions and adds value through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair through its global infrastructure. More information is available at www.rell.com.

Current securities

Historical securities (1)

Recent company filings

  1. Results of Operations and Financial ConditionOct 8, 2026
  2. 10-Q filingOct 8, 2026
  3. Completion of Acquisition or Disposition of AssetsOct 7, 2026
  4. ARS filingAug 21, 2026
  5. DEFA14A filingAug 21, 2026

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