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Richardson Electronics (RELL) director exercises options, sells 29,000 shares

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Form Type
4

Rhea-AI Filing Summary

Richardson Electronics director Robert H. Kluge exercised employee stock options covering a total of 29,000 shares of Common Stock on July 30, 2026, at exercise prices between $4.2600 and $9.1000 per share. He then sold 29,000 shares in open-market transactions at a weighted average price of $17.9029 per share, with individual sale prices ranging from $17.90 to $17.95. The exercised options, expiring between 2027 and 2031, vest 20% per year beginning on dates from 2018 to 2022.

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Insider KLUGE ROBERT H
Role Director
Sold 29,000 shs ($519K)
Approx. gross sale proceeds $519K
Approx. exercise cost $184K
Approx. pre-tax spread $335K
Type Security Shares Price Value
Exercise Employee Stock Option (Right to Buy) F1 10,000 $0.00 $0.00
Exercise Employee Stock Option (Right to Buy) F2 5,000 $0.00 $0.00
Exercise Employee Stock Option (Right to Buy) F3 5,000 $0.00 $0.00
Exercise Employee Stock Option (Right to Buy) F4 5,000 $0.00 $0.00
Exercise Employee Stock Option (Right to Buy) F5 4,000 $0.00 $0.00
Exercise Common Stock 10,000 $5.87 $59K
Exercise Common Stock 5,000 $9.10 $46K
Exercise Common Stock 5,000 $5.61 $28K
Exercise Common Stock 5,000 $4.26 $21K
Exercise Common Stock 4,000 $7.66 $31K
Sale Common Stock F6 29,000 $17.9029 $519K
Holdings After Transaction: Employee Stock Option (Right to Buy) — 1,000 shares (Direct); Common Stock — 51,365 shares (Direct)
Footnotes (6)
  1. F1. Options Vest 20% per year, beginning 10/09/2018
  2. F2. Options vest 20% per year, beginning 08/20/2019
  3. F3. Options vest 20% per year, beginning 07/22/2020
  4. F4. Options vest 20% per year, beginning 07/21/2021
  5. F5. Options vest 20% per year, beginning 07/19/2022
  6. F6. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $ 17.90 to $ 17.95 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Shares sold 29000 shares Non-derivative Common Stock sale on July 30, 2026
Weighted average sale price $17.9029 per share Common Stock sale with individual prices from $17.90 to $17.95
Options exercised (underlying shares) 29000 shares Total underlying Common Stock from five option exercises on July 30, 2026
Option exercise price $5.8700 per share 10,000-share Employee Stock Option expiring 2027-10-09
Option exercise price $9.1000 per share 5,000-share Employee Stock Option expiring 2028-08-20
Employee Stock Option (Right to Buy) financial
"security_title: Employee Stock Option (Right to Buy)"
weighted average sale price financial
"The reported price in Column 4 is a weighted average sale price."
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
vest 20% per year financial
"Options vest 20% per year, beginning 10/09/2018"

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FAQ

What insider transactions did Robert H. Kluge report for Richardson Electronics (RELL) on July 30, 2026?

On July 30, 2026, Robert H. Kluge exercised employee stock options for 29,000 shares of Richardson Electronics common stock and sold 29,000 shares in open-market transactions at a weighted average price of $17.9029 per share.

How many Richardson Electronics (RELL) shares did Kluge sell and at what price range?

Robert H. Kluge reported selling 29,000 shares of Richardson Electronics common stock at a weighted average price of $17.9029 per share. A footnote states the sales occurred in multiple trades at prices ranging from $17.90 to $17.95 per share.

What option exercise prices and expirations were involved in Kluge’s July 30, 2026 RELL transactions?

Kluge exercised options covering 29,000 shares at exercise prices of $5.8700 (10,000 shares, expiring 2027-10-09), $9.1000 (5,000 shares, 2028-08-20), $5.6100 (5,000 shares, 2029-07-22), $4.2600 (5,000 shares, 2030-07-21), and $7.6600 (4,000 shares, 2031-07-19).

How do the vesting terms of Kluge’s stock options at Richardson Electronics (RELL) work?

Footnotes state that each option grant vests 20% per year, with vesting beginning on specific dates: 10/09/2018, 08/20/2019, 07/22/2020, 07/21/2021, and 07/19/2022. These schedules apply to the respective option grants that Kluge exercised on July 30, 2026.

What does the weighted average sale price mean in Kluge’s RELL Form 4 footnote?

The Form 4 notes that the reported $17.9029 price is a weighted average sale price. The 29,000 shares were sold in multiple transactions at prices between $17.90 and $17.95 per share; the weighted average reflects the combined pricing of all these trades.
SEC Form 4
FORM 4UNITED 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*
KLUGE ROBERT H

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/30/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock07/30/2026M10,000A$5.8761,365D
Common Stock07/30/2026M5,000A$9.166,365D
Common Stock07/30/2026M5,000A$5.6171,365D
Common Stock07/30/2026M5,000A$4.2676,365D
Common Stock07/30/2026M4,000A$7.6680,365D
Common Stock07/30/2026S29,000D$17.9029(6)51,365D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Employee Stock Option (Right to Buy)$5.8707/30/2026M10,000 (1)10/09/2027Common Stock10,000$00D
Employee Stock Option (Right to Buy)$9.107/30/2026M5,000 (2)08/20/2028Common Stock5,000$00D
Employee Stock Option (Right to Buy)$5.6107/30/2026M5,000 (3)07/22/2029Common Stock5,000$00D
Employee Stock Option (Right to Buy)$4.2607/30/2026M5,000 (4)07/21/2030Common Stock5,000$00D
Employee Stock Option (Right to Buy)$7.6607/30/2026M4,000 (5)07/19/2031Common Stock4,000$01,000D
Explanation of Responses:
1. Options Vest 20% per year, beginning 10/09/2018
2. Options vest 20% per year, beginning 08/20/2019
3. Options vest 20% per year, beginning 07/22/2020
4. Options vest 20% per year, beginning 07/21/2021
5. Options vest 20% per year, beginning 07/19/2022
6. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $ 17.90 to $ 17.95 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
/s/ Robert J. Ben, attorney-in-fact for Robert H Kluge08/03/2026
** Signature of Reporting PersonDate
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)