# Richardson Electronics Ltd. (RELL)

Source: https://www.quantisnow.com/company/RELL
Generated: 2026-11-08T04:38:03.048Z

- Ticker: RELL
- Exchange: NASDAQ
- Sector: Technology
- Industry: Electronic Components
- IPO year: 1983
- SEC CIK: 0000355948
- Website: rell.com

## About

Richardson Electronics, Ltd. engages in the power and microwave technologies, customized display solutions, and healthcare businesses in North America, the Asia Pacific, Europe, and Latin America. The company's Power and Microwave Technologies Group segment provides engineered solutions, power grid and microwave tubes, and related consumables; technical services for microwave and industrial equipment; flat panel detector solutions, replacement parts, tubes, and service training for diagnostic imaging equipment; customized display solutions; and power conversion and RF and microwave component for broadcast transmission, CO2 laser cutting, diagnostic imaging, dielectric and induction heating, high energy transfer, high voltage switching, plasma, power conversion, radar, and radiation oncology applications. Its products are used to control, switch, or amplify electrical power signals, as well as are used as display devices in alternative energy, healthcare, aviation, communications, industrial, marine, medical, military, scientific, and semiconductor markets. The company's Canvys segment provides custom display solutions, such as touch screens, protective panels, all-in-one computers, custom enclosures, specialized cabinet finishes, application specific software packages, and certification services to corporate enterprise, financial, healthcare, industrial, and medical original equipment manufacturer markets. Its Healthcare segment manufactures and distributes diagnostic imaging replacement parts for CT and MRI systems; replacement CT and MRI tubes; MRI coils, cold heads, and RF amplifiers; hydrogen thyratrons, klystrons, and magnetrons; flat panel detector upgrades; pre-owned CT systems; and additional replacement solutions, as well as offers CT service training. It serves hospitals, medical centers, asset management companies, independent service organizations, and multi-vendor service providers. The company was founded in 1947 and is headquartered in LaFox, Illinois.

## Latest RELL news and filings

- 2026-11-02 16:54 UTC [SEC Form 4] [Director Halverson Kenneth sold $21,190 worth of shares (1,000 units at $21.19), decreasing direct ownership by 9% to 9,865 units (SEC Form 4)](https://www.quantisnow.com/insight/director-halverson-kenneth-sold-21190-worth-of-shares-1000-units-6766669)
- 2026-10-30 16:16 UTC [SEC Form 4] [CFO, CAO, Corporate Secretary Ben Robert J sold $105,050 worth of shares (5,000 units at $21.01) (SEC Form 4)](https://www.quantisnow.com/insight/cfo-cao-corporate-secretary-ben-robert-j-sold-105050-worth-6764935)
- 2026-10-19 15:00 UTC [Richardson Electronics, Ltd. Expands Global Reach of LaserSlat SAVER® with New E-Commerce Capabilities and European Availability](https://www.quantisnow.com/insight/richardson-electronics-ltd-expands-global-reach-of-laserslat-saver-with-6750325)
- 2026-10-12 17:21 UTC [ComEd, Richardson Electronics, Ltd. Announce Expansion and Plans to Install Illinois’ Largest Commercial Battery Energy Storage System](https://www.quantisnow.com/insight/comed-richardson-electronics-ltd-announce-expansion-and-plans-to-install-6743680)
- 2026-10-08 19:43 UTC [SEC Form 8-K] [Amendment: SEC Form 8-K/A filed by Richardson Electronics Ltd.](https://www.quantisnow.com/insight/amendment-sec-form-8-ka-filed-by-richardson-electronics-ltd-6741687)
- 2026-10-08 15:44 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Richardson Electronics Ltd.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-richardson-electronics-ltd-6741500)
- 2026-10-07 20:20 UTC [SEC Form 8-K] [SEC Form 8-K filed by Richardson Electronics Ltd.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-richardson-electronics-ltd-6740432)
- 2026-10-07 20:15 UTC [Earnings Date] [Richardson Electronics Reports Strong First Quarter Results; Declares Quarterly Cash Dividend](https://www.quantisnow.com/insight/richardson-electronics-reports-strong-first-quarter-results-declares-quarterly-cash-6740351)
- 2026-09-30 20:15 UTC [Earnings Date] [Richardson Electronics Announces Date of First Quarter Fiscal Year 2027 Conference Call](https://www.quantisnow.com/insight/richardson-electronics-announces-date-of-first-quarter-fiscal-year-2027-6730665)
- 2026-09-15 15:00 UTC [Conference Announcement] [Richardson Electronics, Ltd. to Participate in the Lytham Partners Fall 2026 Investor Conference](https://www.quantisnow.com/insight/richardson-electronics-ltd-to-participate-in-the-lytham-partners-fall-6715774)
- 2026-08-24 16:58 UTC [SEC Form 4] [Director Halverson Kenneth sold $26,204 worth of shares (1,500 units at $17.47), decreasing direct ownership by 12% to 10,865 units (SEC Form 4)](https://www.quantisnow.com/insight/director-halverson-kenneth-sold-26204-worth-of-shares-1500-units-6692448)
- 2026-08-21 14:15 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by Richardson Electronics Ltd.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-richardson-electronics-ltd-6690984)
- 2026-08-21 14:14 UTC [SEC Form DEF 14A] [SEC Form DEF 14A filed by Richardson Electronics Ltd.](https://www.quantisnow.com/insight/sec-form-def-14a-filed-by-richardson-electronics-ltd-6690983)
- 2026-08-21 13:29 UTC [SEC Form 4] [Director Benham James sold $54,330 worth of shares (3,020 units at $17.99), decreasing direct ownership by 14% to 19,345 units (SEC Form 4)](https://www.quantisnow.com/insight/director-benham-james-sold-54330-worth-of-shares-3020-units-6690943)
- 2026-08-20 15:00 UTC [Richardson Electronics, Ltd. to Deliver Energy Storage Solutions to Remote Alaska Communities](https://www.quantisnow.com/insight/richardson-electronics-ltd-to-deliver-energy-storage-solutions-to-remote-6689766)
- 2026-08-12 15:00 UTC [Conference Announcement] [Richardson Electronics to Present at the 17th Annual Midwest IDEAS Investor Conference on August 26th](https://www.quantisnow.com/insight/richardson-electronics-to-present-at-the-17th-annual-midwest-ideas-6677386)
- 2026-08-06 20:42 UTC [SEC Form 4] [Director Belin Jacques sold $107,300 worth of shares (5,000 units at $21.46) and exercised 5,000 shares at a strike of $9.10 (SEC Form 4)](https://www.quantisnow.com/insight/director-belin-jacques-sold-107300-worth-of-shares-5000-units-6669712)
- 2026-08-06 20:38 UTC [SEC Form 4] [CFO, CAO, Corporate Secretary Ben Robert J exercised 9,000 shares at a strike of $15.59 and sold $194,490 worth of shares (9,000 units at $21.61) (SEC Form 4)](https://www.quantisnow.com/insight/cfo-cao-corporate-secretary-ben-robert-j-exercised-9000-shares-6669678)
- 2026-08-06 13:00 UTC [SEC Form 4] [COO Diddell Wendy sold $478,020 worth of shares (23,901 units at $20.00), decreasing direct ownership by 17% to 114,150 units (SEC Form 4)](https://www.quantisnow.com/insight/coo-diddell-wendy-sold-478020-worth-of-shares-23901-units-6667794)
- 2026-08-05 19:21 UTC [SEC Form 4] [Director Halverson Kenneth sold $93,854 worth of shares (5,000 units at $18.77), decreasing direct ownership by 29% to 12,365 units (SEC Form 4)](https://www.quantisnow.com/insight/director-halverson-kenneth-sold-93854-worth-of-shares-5000-units-6664712)
- 2026-08-05 19:17 UTC [SEC Form 4] [Director Benham James sold $181,966 worth of shares (9,836 units at $18.50) and exercised 9,836 shares at a strike of $15.55 (SEC Form 4)](https://www.quantisnow.com/insight/director-benham-james-sold-181966-worth-of-shares-9836-units-6664708)
- 2026-08-04 16:45 UTC [Conference Announcement] [Richardson Electronics, Ltd. Expands Its Energy Storage Portfolio with RESS211 and RESS422 Commercial Battery Energy Storage Systems](https://www.quantisnow.com/insight/richardson-electronics-ltd-expands-its-energy-storage-portfolio-with-ress211-6661644)
- 2026-08-03 17:35 UTC [SEC Form 10-K] [SEC Form 10-K filed by Richardson Electronics Ltd.](https://www.quantisnow.com/insight/sec-form-10-k-filed-by-richardson-electronics-ltd-6659349)
- 2026-08-03 13:17 UTC [SEC Form 4] [Director Kluge Robert H sold $519,184 worth of shares (29,000 units at $17.90) and exercised 29,000 shares at a strike of $6.35 (SEC Form 4)](https://www.quantisnow.com/insight/director-kluge-robert-h-sold-519184-worth-of-shares-29000-6659081)
- 2026-07-31 19:22 UTC [SEC Form 4] [Director Benham James sold $3,126 worth of shares (164 units at $19.06) and exercised 164 shares at a strike of $15.60 (SEC Form 4)](https://www.quantisnow.com/insight/director-benham-james-sold-3126-worth-of-shares-164-units-6657686)
- 2026-07-30 20:07 UTC [SEC Form 4] [Director Plante Paul J exercised 10,000 shares at a strike of $15.55 and sold $319,813 worth of shares (17,000 units at $18.81), decreasing direct ownership by 33% to 14,188 units (SEC Form 4)](https://www.quantisnow.com/insight/director-plante-paul-j-exercised-10000-shares-at-a-strike-6656119)
- 2026-07-30 16:00 UTC [SEC Form 4] [EVP Canvys Ruppert Jens Frank sold $712,808 worth of shares (37,500 units at $19.01), decreasing direct ownership by 95% to 2,000 units (SEC Form 4)](https://www.quantisnow.com/insight/evp-canvys-ruppert-jens-frank-sold-712808-worth-of-shares-6655647)
- 2026-07-30 15:56 UTC [SEC Form 4] [CFO, CAO, Corporate Secretary Ben Robert J exercised 7,500 shares at a strike of $10.47 and sold $150,000 worth of shares (7,500 units at $20.00) (SEC Form 4)](https://www.quantisnow.com/insight/cfo-cao-corporate-secretary-ben-robert-j-exercised-7500-shares-6655643)
- 2026-07-28 12:17 UTC [Analyst Upgrade] [Richardson Elec upgraded by Northland Capital with a new price target](https://www.quantisnow.com/insight/richardson-elec-upgraded-by-northland-capital-with-a-new-price-6650804)
- 2026-07-23 19:18 UTC [SEC Form 4] [CFO, CAO, Corporate Secretary Ben Robert J covered exercise/tax liability with 1,000 shares, decreasing direct ownership by 2% to 60,534 units (SEC Form 4) (tax withholding)](https://www.quantisnow.com/insight/cfo-cao-corporate-secretary-ben-robert-j-covered-exercisetax-liability-6646815)
- 2026-07-23 19:14 UTC [SEC Form 4] [EVP Global Supply Chain Mcnally Kathleen covered exercise/tax liability with 1,107 shares, decreasing direct ownership by 2% to 49,062 units (SEC Form 4) (withholding obligation)](https://www.quantisnow.com/insight/evp-global-supply-chain-mcnally-kathleen-covered-exercisetax-liability-with-6646811)
- 2026-07-23 19:11 UTC [SEC Form 4] [COO Diddell Wendy covered exercise/tax liability with 5,598 shares, decreasing direct ownership by 4% to 138,051 units (SEC Form 4) (for tax liability)](https://www.quantisnow.com/insight/coo-diddell-wendy-covered-exercisetax-liability-with-5598-shares-decreasing-6646807)
- 2026-07-22 20:25 UTC [SEC Form 8-K] [Richardson Electronics Ltd. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits](https://www.quantisnow.com/insight/richardson-electronics-ltd-filed-sec-form-8-k-results-of-operations-6645449)
- 2026-07-22 20:15 UTC [Earnings Date] [Richardson Electronics Reports Strong Fourth Quarter and Fiscal 2026 Results; Declares Quarterly Cash Dividend](https://www.quantisnow.com/insight/richardson-electronics-reports-strong-fourth-quarter-and-fiscal-2026-results-6645322)
- 2026-07-22 20:08 UTC [SEC Form 4] [EVP Global Supply Chain Mcnally Kathleen was granted 5,000 shares, increasing direct ownership by 11% to 50,169 units (SEC Form 4)](https://www.quantisnow.com/insight/evp-global-supply-chain-mcnally-kathleen-was-granted-5000-shares-6645243)
- 2026-07-22 20:05 UTC [SEC Form 4] [COO Diddell Wendy was granted 20,000 shares, increasing direct ownership by 16% to 143,649 units (SEC Form 4)](https://www.quantisnow.com/insight/coo-diddell-wendy-was-granted-20000-shares-increasing-direct-ownership-6645218)
- 2026-07-22 20:02 UTC [SEC Form 4] [Chairman & CEO Richardson Edward J was granted 20,000 shares, increasing direct ownership by 87% to 43,114 units (SEC Form 4)](https://www.quantisnow.com/insight/chairman-ceo-richardson-edward-j-was-granted-20000-shares-increasing-6645121)
- 2026-07-22 19:58 UTC [SEC Form 4] [CFO, CAO, Corporate Secretary Ben Robert J was granted 8,500 shares, increasing direct ownership by 16% to 61,534 units (SEC Form 4)](https://www.quantisnow.com/insight/cfo-cao-corporate-secretary-ben-robert-j-was-granted-8500-6645085)
- 2026-07-22 19:56 UTC [SEC Form 4] [SEC Form 4 filed by EVP PMT Peloquin Gregory J](https://www.quantisnow.com/insight/sec-form-4-filed-by-evp-pmt-peloquin-gregory-j-6645083)
- 2026-07-22 19:54 UTC [SEC Form 4] [SEC Form 4 filed by EVP Canvys Ruppert Jens Frank](https://www.quantisnow.com/insight/sec-form-4-filed-by-evp-canvys-ruppert-jens-frank-6645081)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/RELL
- Earnings history: https://www.quantisnow.com/earnings/RELL
- Dividend history: https://www.quantisnow.com/dividends/RELL
- Insider transactions: https://www.quantisnow.com/insiders/RELL
- Options chain: https://www.quantisnow.com/options/RELL
- SEC 8-K filings only: https://www.quantisnow.com/company/RELL/8-k
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