Richardson Electronics grants 10,000 stock options to EVP

Ruppert Jens Frank reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Ruppert Jens Frank reported acquisition or exercise transactions in this Form 4 filing.

Richardson Electronics, Ltd. reported that Ruppert Jens Frank, EVP Canvys, received a grant of 10,000 employee stock options on July 20, 2026, exercisable at $16.5600 per share for common stock. The options vest 1/5 on each anniversary over 5 years and expire July 20, 2036, leaving him with 10,000 derivative securities held directly.

Insider Trade Summary

Grant/Award: 10,000 shares

Grant/Award 1 txn

Insider Ruppert Jens Frank

Role EVP Canvys

Type	Security	Shares	Price	Value
Grant/Award	Employee Stock Option (Right to Buy) F1	10,000	$0.00	$0.00

Holdings After Transaction: Employee Stock Option (Right to Buy) — 10,000 contracts (Direct)

Footnotes (1)

1. F1. The stock option was granted on July 20, 2026 pursuant to the Richardson Electronics, Ltd. 2011 Amended and Restated Long-Term Incentive Plan. The option vests over 5 years with 1/5 of the total number of shares subject to the option vesting on each anniversary date of grant, until fully vested.

Key Figures

Option grant size: 10000.0000 shares Exercise price: 16.5600 per share Expiration date: 2036-07-20 +2 more

5 metrics

Option grant size 10000.0000 shares Employee stock options granted on July 20, 2026

Exercise price 16.5600 per share Exercise price for the granted stock options

Expiration date 2036-07-20 Date on which the stock options expire

Vesting period 5 years Options vest 1/5 each year on the grant anniversary

Holdings after transaction 10000.0000 derivative securities Total options held directly after the grant

Key Terms

Employee Stock Option (Right to Buy), Long-Term Incentive Plan, vests over 5 years

3 terms

Employee Stock Option (Right to Buy) financial

"security_title: Employee Stock Option (Right to Buy)"

Long-Term Incentive Plan financial

"pursuant to the Richardson Electronics, Ltd. 2011 Amended and Restated Long-Term Incentive Plan"

A long-term incentive plan is a company program that pays executives or employees with stock, options, or cash tied to multi-year performance goals, where the rewards become theirs only after meeting conditions over time. Think of it as a delayed bonus or retirement-style reward that aligns employees’ interests with shareholders by encouraging them to boost long-term value; investors watch these plans because they affect pay costs, share dilution and management incentives.

vests over 5 years financial

"The option vests over 5 years with 1/5 of the total number of shares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Ruppert Jens Frank report for RELL on this Form 4?

He reported a grant of 10,000 employee stock options for Richardson Electronics, Ltd. common stock. The options were granted on July 20, 2026 as compensation, with a fixed exercise price and multi-year vesting schedule under the company’s long-term incentive plan.

What are the key terms of the stock options granted to Ruppert Jens Frank at RELL?

The grant covers 10,000 options with an exercise price of $16.5600 per share, expiring on July 20, 2036. These options give the right to buy Richardson Electronics, Ltd. common stock if exercised before expiration, subject to the vesting schedule.

How do the RELL options granted to Ruppert Jens Frank vest over time?

The options vest over 5 years, with 1/5 of the total shares vesting on each anniversary of the July 20, 2026 grant date. This continues annually until all 10,000 options are fully vested under the long-term incentive plan.

How many derivative securities does Ruppert Jens Frank hold after this RELL grant?

After the reported grant, he holds 10,000 derivative securities of this option award directly. This figure reflects the total stock options in this specific grant series as shown in the post-transaction holdings field of the Form 4 data.

Was the RELL option grant to Ruppert Jens Frank made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not checked, and the footnote only references the 2011 Amended and Restated Long-Term Incentive Plan. There is no indication in this Form 4 that the grant was made under a 10b5-1 trading plan.

Under which plan were the RELL options to Ruppert Jens Frank granted?

The options were granted pursuant to the Richardson Electronics, Ltd. 2011 Amended and Restated Long-Term Incentive Plan. This plan governs the terms, including the 5-year vesting schedule with 1/5 of the shares vesting on each anniversary of the grant date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/22/2026 - 03:54 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).

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 ILLINOIS 60147

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/20/2026

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

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

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

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

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
Employee Stock Option (Right to Buy)	$16.56	07/20/2026		A		10,000		07/20/2027(1)	07/20/2036	Common Stock	10,000	$0	10,000	D

Explanation of Responses:

1. The stock option was granted on July 20, 2026 pursuant to the Richardson Electronics, Ltd. 2011 Amended and Restated Long-Term Incentive Plan. The option vests over 5 years with 1/5 of the total number of shares subject to the option vesting on each anniversary date of grant, until fully vested.

	/s/ Robert J. Ben attorney-in-fact for Jens F. Ruppert	07/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)