SEC ownership of RICHARDSON ELECTRONICS, LTD.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000355948.

Comparable stake leader

ROYCE & ASSOCIATES LP

Disclosed value leader

ROYCE & ASSOCIATES LP

Comparable rows

50/50

Latest evidence

19 Aug 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
ROYCE & ASSOCIATES LP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
19 Aug 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000355948
Issuer location
Lafox, IL

Ownership snapshot

Top shareholders of RICHARDSON ELECTRONICS, LTD. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
ROYCE & ASSOCIATES LP
Disclosed value leader
ROYCE & ASSOCIATES LP
Comparable rows
50/50
Latest evidence
19 Aug 2026
13F 13D/G 3/4/5 Lead comparable stake: 11% 13D/G row: ROYCE & ASSOCIATES LP Showing 1-8 of 50 holder rows.

Quick read

ROYCE & ASSOCIATES LP leads the comparable SEC ownership view at 11%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens ROYCE & ASSOCIATES LP's linked filing trail.
Comparable ownership Top 5
ROYCE & ASSOCIATES LP 11%
DDD Partners, LLC 9.1%
DIMENSIONAL FUND ADVISORS LP 6.2%
FIRST WILSHIRE SECURITIES MANAGEM... 5.4%
Jacques Belin 0.18%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
ROYCE & ASSOCIATES LP
13F 13D/G
Company
11%
from 13D/G
$27,050,051
1,422,938 shares
30 Jun 2026
DDD Partners, LLC
13F 13D/G
Company
9.1%
from 13D/G
$21,112,544
1,110,602 shares
30 Jun 2026
DIMENSIONAL FUND ADVISORS LP
13F 13D/G
Company
6.2%
from 13D/G
$13,453,941
707,791 shares
30 Jun 2026
FIRST WILSHIRE SECURITIES MANAGEMENT INC
13F 13D/G
Company
5.4%
from 13D/G
$12,211,188
642,356 shares
30 Jun 2026
Jacques Belin
3/4/5
Director
0.18%
$479,955
22,365 shares
-$107,301 04 Aug 2026
James Benham
3/4/5
Director
0.16%
$348,016
19,345 shares
-$239,422 19 Aug 2026
Paul J. Plante
3/4/5
Director
0.11%
$271,237
14,188 shares
-$319,813 28 Jul 2026
Kenneth Halverson
3/4/5
Director
0.1%
$232,099
12,365 shares
-$419,247 03 Aug 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$3,677,799.

Buys
$0
Insiders: 0
Sells
$3,677,799
Insiders: 9
Net
-$3,677,799
Shares: -213,257
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 213,257
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 146,921 $0 $2,814,890 -$2,814,890
3-6 0 16,636 $0 $258,776 -$258,776
6-9 0 36,000 $0 $447,781 -$447,781
9-12 0 13,700 $0 $156,352 -$156,352

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-11 of 11 reporting-owner rows connected to RICHARDSON ELECTRONICS, LTD.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
11
Largest Forms 3/4/5 holder
Edward J. Richardson
Net 12M change
-$3,677,800
Latest report
19 Aug 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Edward J. Richardson Chairman & CEO, Director, 10%+ Owner $16,209,524 Mixed 20 Jul 2026
Wendy Diddell COO, Director $2,283,000 -$478,020 -17% Filing P/S 04 Aug 2026
Robert J. Ben CFO, CAO, Corporate Secretary $1,308,139 -$564,691 -30% Filing P/S 04 Aug 2026
Kathleen McNally EVP Global Supply Chain $932,668 -$111,834 -11% Median 21 Jul 2026
Robert H. Kluge Director $919,582 -$519,184 -36% Filing P/S 30 Jul 2026
Jacques Belin Director $479,955 -$107,301 -18% Filing P/S 04 Aug 2026
James Benham Director $348,016 -$239,422 -41% Filing P/S 19 Aug 2026
Paul J. Plante Director $271,237 -$319,813 -54% Filing P/S 28 Jul 2026
Kenneth Halverson Director $232,099 -$419,247 -64% Filing P/S 03 Aug 2026
Jens F. Ruppert EVP Canvys $38,016 -$918,288 -96% Filing P/S 28 Jul 2026
Gregory J. Peloquin Evp Pmt Mixed 20 Jul 2026

Recent insider transactions for RICHARDSON ELECTRONICS, LTD.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
James Benham RELL Common Stock Sale -13.5% $54,330 $17.99 -3,020 19,345 19 Aug 2026 Direct
Jacques Belin RELL Common Stock Sale -18.3% $107,300 $21.46 -5,000 22,365 04 Aug 2026 Direct
Jacques Belin RELL Common Stock Options Exercise 22.4% 5,000 27,365 04 Aug 2026 Direct
Jacques Belin RELL Employee Stock Option (Right to Buy) Options Exercise -100% -5,000 0 04 Aug 2026 Direct
Robert J. Ben RELL Common Stock Sale -12.9% $194,490 $21.61 -9,000 60,534 04 Aug 2026 Direct
Robert J. Ben RELL Common Stock Options Exercise 14.9% 9,000 69,534 04 Aug 2026 Direct
Robert J. Ben RELL Employee Stock Option (Right to Buy) Options Exercise -81.8% -9,000 2,000 04 Aug 2026 Direct
Wendy Diddell RELL Common Stock Sale -17.3% $478,020 $20.00 -23,901 114,150 04 Aug 2026 Direct
Kenneth Halverson RELL Common Stock Sale -28.8% $93,854 $18.77 -5,000 12,365 03 Aug 2026 Direct
James Benham RELL Common Stock Sale -30.6% $181,966 $18.50 -9,836 22,365 03 Aug 2026 Direct
James Benham RELL Common Stock Options Exercise 44% 9,836 32,201 03 Aug 2026 Direct
James Benham RELL Employee Stock Option (Right to Buy) Options Exercise -100% -9,836 0 03 Aug 2026 Direct
Robert H. Kluge RELL Common Stock Sale -36.1% $519,184 $17.90 -29,000 51,365 30 Jul 2026 Direct
Robert H. Kluge RELL Common Stock Options Exercise 56.5% 29,000 80,365 30 Jul 2026 Direct
Robert H. Kluge RELL Employee Stock Option (Right to Buy) Options Exercise -100% -29,000 0 30 Jul 2026 Direct
James Benham RELL Common Stock Sale -0.73% $3,126 $19.06 -164 22,365 29 Jul 2026 Direct
James Benham RELL Common Stock Options Exercise 0.73% 164 22,529 29 Jul 2026 Direct
James Benham RELL Employee Stock Option (Right to Buy) Options Exercise -3.28% -164 4,836 29 Jul 2026 Direct
Paul J. Plante RELL Common Stock Sale -54.5% $319,813 $18.81 -17,000 14,188 28 Jul 2026 Direct
Paul J. Plante RELL Common Stock Options Exercise 47.2% 10,000 31,188 28 Jul 2026 Direct
Paul J. Plante RELL Employee Stock Option (Right to Buy) Options Exercise -100% -10,000 0 28 Jul 2026 Direct
Jens F. Ruppert RELL Common Stock Sale -94.9% $712,808 $19.01 -37,500 2,000 28 Jul 2026 Direct
Robert J. Ben RELL Common Stock Sale -11% $150,000 $20.00 -7,500 60,534 28 Jul 2026 Direct
Robert J. Ben RELL Common Stock Options Exercise 12.4% 7,500 68,034 28 Jul 2026 Direct
Robert J. Ben RELL Employee Stock Option (Right to Buy) Options Exercise -100% -7,500 0 28 Jul 2026 Direct
Robert J. Ben RELL Common Stock Tax liability -0.82% -500 60,534 22 Jul 2026 Direct
Kathleen McNally RELL Common Stock Tax liability -1.12% -557 49,062 22 Jul 2026 Direct
Wendy Diddell RELL Common Stock Tax liability -1.99% -2,803 138,051 22 Jul 2026 Direct
Robert J. Ben RELL Common Stock Tax liability -0.81% -500 61,034 21 Jul 2026 Direct
Kathleen McNally RELL Common Stock Tax liability -1.1% -550 49,619 21 Jul 2026 Direct
Wendy Diddell RELL Common Stock Tax liability -1.95% -2,795 140,854 21 Jul 2026 Direct
Kathleen McNally RELL Common Stock Award 11.1% 5,000 50,169 20 Jul 2026 Direct
Kathleen McNally RELL Employee Stock Option (Right to Buy) Award 7,500 7,500 20 Jul 2026 Direct
Wendy Diddell RELL Common Stock Award 16.2% 20,000 143,649 20 Jul 2026 Direct
Wendy Diddell RELL Employee Stock Option (Right to Buy) Award 20,000 20,000 20 Jul 2026 Direct
Edward J. Richardson RELL Common Stock Award 86.5% 20,000 43,114 20 Jul 2026 Direct
Edward J. Richardson RELL Employee Stock Option (Right to Buy) Award 20,000 20,000 20 Jul 2026 Direct
Robert J. Ben RELL Common Stock Award 16% 8,500 61,534 20 Jul 2026 Direct
Robert J. Ben RELL Employee Stock Option (Right to Buy) Award 10,000 10,000 20 Jul 2026 Direct
Gregory J. Peloquin RELL Employee Stock Option (Right to Buy) Award 10,000 10,000 20 Jul 2026 Direct
Jens F. Ruppert RELL Employee Stock Option (Right to Buy) Award 10,000 10,000 20 Jul 2026 Direct
Jacques Belin RELL Common Stock Award 15.6% 3,020 22,365 20 Jul 2026 Direct
James Benham RELL Common Stock Award 15.6% 3,020 22,365 20 Jul 2026 Direct
Kenneth Halverson RELL Common Stock Award 21% 3,020 17,365 20 Jul 2026 Direct
Robert H. Kluge RELL Common Stock Award 6.25% 3,020 51,365 20 Jul 2026 Direct
Paul J. Plante RELL Common Stock Award 16.6% 3,020 21,188 20 Jul 2026 Direct
Wendy Diddell RELL Common Stock Tax liability -2.21% -2,795 123,649 17 Jul 2026 Direct
Kathleen McNally RELL Common Stock Tax liability -1.2% -550 45,169 17 Jul 2026 Direct
Kathleen McNally RELL Common Stock Sale -12.7% $111,834 $16.85 -6,636 45,719 20 May 2026 Direct
Kathleen McNally RELL Common Stock Options Exercise 14.5% 6,636 52,355 20 May 2026 Direct
* marks a reported price that did not pass the local price check.
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