RELL EVP Jens Ruppert exercises stock options and sells shares in Form 4 filing

Rhea-AI Filing Summary

Richardson Electronics EVP Canvys Jens F. Ruppert reported multiple stock option exercises and share sales dated 01/27/2026. He exercised employee stock options to acquire 6,000, 2,000, 5,000 and 4,000 shares of common stock at exercise prices of $9.10, $5.61, $4.26 and $7.66 per share, respectively.

On the same date, he sold 8,000 shares at $12.1864, 7,900 shares at $12.00 and 1,100 shares at $11.99 per share. Following these transactions, he directly owned 39,500 shares of Richardson Electronics common stock. The options involved vest 20% per year under previously established schedules.

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^*

Ruppert Jens Frank

(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 Canvys

3. Date of Earliest Transaction (Month/Day/Year)
01/27/2026

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	01/27/2026		M		6,000	A	$9.1	45,500	D
Common Stock	01/27/2026		M		2,000	A	$5.61	47,500	D
Common Stock	01/27/2026		M		5,000	A	$4.26	52,500	D
Common Stock	01/27/2026		M		4,000	A	$7.66	56,500	D
Common Stock	01/27/2026		S		8,000	D	$12.1864	48,500	D
Common Stock	01/27/2026		S		7,900	D	$12	40,600	D
Common Stock	01/27/2026		S		1,100	D	$11.99	39,500	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
Employe Stock Option (Right to Buy)	$9.1	01/27/2026		M			6,000	(1)	08/20/2028	Common Stock	6,000	$0	0	D
Employe Stock Option (Right to Buy)	$5.61	01/27/2026		M			2,000	(2)	07/22/2029	Common Stock	2,000	$0	0	D
Employe Stock Option (Right to Buy)	$4.26	01/27/2026		M			5,000	(3)	07/21/2030	Common Stock	5,000	$0	0	D
Employe Stock Option (Right to Buy)	$7.66	01/27/2026		M			4,000	(4)	07/19/2031	Common Stock	4,000	$0	1,000	D

Explanation of Responses:

1. Options vest 20% per year, beginning 08/20/2019

2. Options vest 20% per year, beginning 07/22/2020

3. Options vest 20% per year, beginning 07/21/2021

4. Options vest 20% per year, beginning 07/19/2022

	/s/ Robert J. Ben, attorney-in-fact Jens F. Ruppert	01/29/2026
	** 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 insider activity did RELL EVP Jens F. Ruppert report on this Form 4?

Jens F. Ruppert exercised several employee stock options and sold common shares on 01/27/2026. He acquired shares at strike prices between $4.26 and $9.10 and sold blocks of stock around $12 per share the same day.

How many Richardson Electronics (RELL) shares does Jens F. Ruppert own after these transactions?

After the 01/27/2026 transactions, Jens F. Ruppert directly owned 39,500 shares of Richardson Electronics common stock. This figure reflects his option exercises into common stock and the subsequent share sales reported in this Form 4 filing.

At what prices were the RELL stock options exercised by Jens F. Ruppert?

The employee stock options were exercised at $9.10, $5.61, $4.26 and $7.66 per share. Each grant related to earlier awards that vest 20% annually beginning in 2019, 2020, 2021 and 2022, respectively.

At what prices did Jens F. Ruppert sell Richardson Electronics (RELL) shares?

He reported three sale transactions on 01/27/2026: 8,000 shares at $12.1864, 7,900 shares at $12.00 and 1,100 shares at $11.99 per share. All sales involved directly held common stock.

What happens to Jens F. Ruppert’s RELL stock options after these exercises?

The reported option grants were exercised for 6,000, 2,000 and 5,000 shares, leaving 0 remaining in those grants. A fourth grant covering 4,000 shares shows 1,000 derivative securities still beneficially owned after the 01/27/2026 exercise.

How do the RELL options held by Jens F. Ruppert vest over time?

Each option grant vests 20% per year. The vesting start dates are 08/20/2019, 07/22/2020, 07/21/2021 and 07/19/2022, respectively, reflecting long-term equity awards that become exercisable gradually over several years.