STOCK TITAN

Richardson Electronics (RELL) COO trims stake with 23,901-share stock sale

(Moderate)
(Negative)
Form Type
4

Rhea-AI Filing Summary

On August 4, 2026, Wendy Diddell, COO and director of Richardson Electronics, sold 23,901 shares of Common Stock at $20.00 per share in a sale described as an open market or private transaction. Following this sale, she directly holds 114,150 shares of the company.

Positive

  • None.

Negative

  • None.
Insider Diddell Wendy
Role COO
Sold 23,901 shs ($478K)
Type Security Shares Price Value
Sale Common Stock 23,901 $20.00 $478K
Holdings After Transaction: Common Stock — 114,150 shares (Direct)
Shares sold 23,901 shares Common Stock sale on 2026-08-04 by COO and director Wendy Diddell
Sale price per share $20.00 per share Price for the 23,901 Common Stock shares sold on 2026-08-04
Shares held after transaction 114,150 shares Direct Common Stock holdings following the August 4, 2026 sale
Sell transactions reported 1 transaction Single non-derivative sale of Common Stock reported in this insider filing
open market or private transaction financial
"Transaction code S described as sale in open market or private transaction"
non-derivative financial
"Security is classified as non-derivative Common Stock in the transaction data"
direct ownership financial
"Ownership type reported as direct (D) following the sale of Common Stock"

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates

FAQ

What insider transaction did RELL report for executive Wendy Diddell?

Wendy Diddell executed a sale of 23,901 shares of Richardson Electronics Common Stock at $20.00 per share on August 4, 2026, in a transaction described as an open market or private sale, leaving her with 114,150 shares directly held.

What price did Wendy Diddell receive for her RELL shares?

The reported sale price was $20.00 per share for 23,901 shares of Richardson Electronics Common Stock. This per-share price comes from the transaction details for the August 4, 2026 sale classified as an open market or private transaction.

How many RELL shares does Wendy Diddell hold after this transaction?

After the reported sale, Wendy Diddell directly holds 114,150 shares of Richardson Electronics Common Stock. This figure reflects her direct ownership immediately following the August 4, 2026 disposition of 23,901 shares at $20.00 per share.

What type of security did Wendy Diddell trade in the RELL Form 4?

The transaction involved Common Stock of Richardson Electronics, classified as a non-derivative security. Diddell sold 23,901 Common Stock shares at $20.00 per share on August 4, 2026, and retained 114,150 Common Stock shares afterward.

Was the reported RELL insider transaction a purchase or a sale?

The reported insider activity was a sale of Richardson Electronics Common Stock. Wendy Diddell disposed of 23,901 shares at $20.00 per share on August 4, 2026, in a transaction described as an open market or private sale.
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*
Diddell Wendy

(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
XOfficer (give title below)Other (specify below)
COO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/04/2026
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 Stock08/04/2026S23,901D$20114,150D
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
Explanation of Responses:
/s/ Robert J. Ben, attorney-in-fact for Wendy Diddell08/06/2026
** 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)