SEC Form 4 · accession 0001193125-26-325359

RICHARDSON ELECTRONICS, LTD. · RELL

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — CFO, CAO, Corporate Secretary

Period of report

Jul 28, 2026

Accepted (ET)

Jul 30, 2026 · 11:56 am EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0000355948

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Jul 28, 2026	M	1,500	$7.66	A	62,034	D
Common Stock	Jul 28, 2026	M	4,000	$11.89	A	66,034	D
Common Stock	Jul 28, 2026	M	2,000	$9.73	A	68,034	D
Common Stock	Jul 28, 2026	S	7,500	$20.00	D	60,534	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option (Right to Buy)^F1	$7.66	Jul 28, 2026	M	1,500	D	—	Jul 19, 2031	Common Stock	1,500	0	D
Employee Stock Option (Right to Buy)^F2	$11.89	Jul 28, 2026	M	4,000	D	—	Jul 22, 2034	Common Stock	4,000	6,000	D
Employee Stock Option (Right to Buy)^F3	$9.73	Jul 28, 2026	M	2,000	D	—	Jul 21, 2035	Common Stock	2,000	8,000	D