[Form 4] RICHARDSON ELECTRONICS, LTD. Insider Trading Activity

Rhea-AI Filing Summary

Richardson Electronics (RELL) reported an insider transaction by COO and Director Wendy Diddell. On October 14, 2025, she executed a Transaction Code G, which is a bona fide gift, of 250 shares of common stock at a reported price of $0.

Following the transaction, her beneficially owned common stock stands at 127,044 shares, held directly. The filing notes that Mrs. Diddell disclaims all beneficial and pecuniary interests in connection with this gift.

SEC Form 4

FORM 4

UNITED 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

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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^*

Diddell Wendy

(Last) (First) (Middle)

40W267 KESLINGER ROAD PO BOX 393

(Street)

LAFOX IL 60147

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
RICHARDSON ELECTRONICS, LTD. [ RELL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	COO

3. Date of Earliest Transaction (Month/Day/Year)
10/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/14/2025		G		250(1)	D	$0	127,044	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This represents a bona fide gift. Mrs. Diddell disclaims all beneficial and pecuniary interests.

	/s/ Robert J. Ben, attorney-in-fact for Wendy Diddell	10/16/2025
	** Signature of Reporting Person	Date
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.

FAQ

What did Richardson Electronics (RELL) disclose in this Form 4?

An insider transaction by Wendy Diddell involving a bona fide gift of common stock.

How many RELL shares were transferred and on what date?

A total of 250 shares on October 14, 2025.

What was the transaction code and nature?

The filing shows Transaction Code G, described as a bona fide gift.

What are Wendy Diddell’s holdings after the transaction?

127,044 shares of common stock, held directly.

Was a transaction price reported for the gifted shares?

Yes. The filing lists a price of $0 for the gift.

What is Wendy Diddell’s role at Richardson Electronics (RELL)?

She is a Director and COO.

Does the filing include a disclaimer about the gift?

Yes. It states Mrs. Diddell disclaims all beneficial and pecuniary interests.