Richardson Electronics Ltd Insider Trading Activity

Insider Trade Summary

Exercise Price or Tax Liability: 902 shares

Exercise Price or Tax Liability 2 txns

Insider MCNALLY KATHLEEN

Role EVP Global Supply Chain

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	449	$9.58	$4K
Exercise Price or Tax Liability	Common Stock	453	$9.78	$4K

Holdings After Transaction: Common Stock — 41,169 shares (Direct)

Footnotes (2)

1. F1. Represents shares surrendered to Issuer in connection with the vesting of a previously reported grant of restricted shares to satisfy the income tax withholding and remittance obligations of the reporting person at a net settlement price equal to closing price on the NASDAQ Global Select Market on July 17, 2025 of $ 9.78 and does not represent a sale of the reporting person.
2. F2. Represents shares surrendered to Issuer in connection with the vesting of a previously reported grant of restricted shares to satisfy the income tax withholding and remittance obligations of the reporting person at a net settlement price equal to closing price on the NASDAQ Global Select Market on July 18, 2025 of $ 9.58 and does not represent a sale of the reporting person.

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Accepted by SEC EDGAR 07/21/2025 - 05:16 PM EDT Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

MCNALLY KATHLEEN

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP Global Supply Chain

3. Date of Earliest Transaction (Month/Day/Year)
07/17/2025

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	07/17/2025		F		453(1)	D	$9.78	41,618	D
Common Stock	07/18/2025		F		449(2)	D	$9.58	41,169	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. Represents shares surrendered to Issuer in connection with the vesting of a previously reported grant of restricted shares to satisfy the income tax withholding and remittance obligations of the reporting person at a net settlement price equal to closing price on the NASDAQ Global Select Market on July 17, 2025 of $ 9.78 and does not represent a sale of the reporting person.

2. Represents shares surrendered to Issuer in connection with the vesting of a previously reported grant of restricted shares to satisfy the income tax withholding and remittance obligations of the reporting person at a net settlement price equal to closing price on the NASDAQ Global Select Market on July 18, 2025 of $ 9.58 and does not represent a sale of the reporting person.

	/s/ Robert J. Ben attorney-in-fact for Kathleen McNally	07/21/2025
	** 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.