Comparable stake leader
ROYCE & ASSOCIATES LP
SEC ownership of RICHARDSON ELECTRONICS, LTD.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000355948.
Disclosed value leader
ROYCE & ASSOCIATES LP
Comparable rows
50/50
Latest evidence
05 May 2026
- Public ticker
- RELL on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
ROYCE & ASSOCIATES LP
Ranking: Comparable ownership first, then disclosed value
- 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
-
05 May 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000355948
- Issuer location
- Lafox, IL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
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
05 May 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%
Robert H. Kluge
0.39%
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
|
$15,581,171
1,422,938 shares
|
— | 31 Mar 2026 |
| DDD Partners, LLC |
13F
13D/G
Company
|
9.1%
from 13D/G
|
$12,407,357
1,133,092 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
6.2%
|
$8,429,171
774,740 shares
|
$0 | 31 Dec 2025 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC |
13D/G
13F
Company
|
5.4%
|
$9,253,412
671,998 shares
|
$0 | 31 Mar 2026 |
| Robert H. Kluge |
3/4/5
Director
|
0.39%
|
$466,596
48,345 shares
|
— | 21 Jul 2025 |
| James Benham |
3/4/5
Director
|
0.16%
|
$186,706
19,345 shares
|
— | 21 Jul 2025 |
| Jacques Belin |
3/4/5
Director
|
0.16%
|
$148,182
19,345 shares
|
— | 13 Jan 2026 |
| Paul J. Plante |
3/4/5
Director
|
0.15%
|
$175,346
18,168 shares
|
— | 21 Jul 2025 |
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: -$947,144.
Buys
$0
Insiders: 0
Sells
$947,144
Insiders: 4
Net
-$947,144
Shares: -74,753
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 74,753
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 16,636 | $0 | $258,776 | -$258,776 |
| 3-6 | 0 | 36,000 | $0 | $447,781 | -$447,781 |
| 6-9 | 0 | 13,700 | $0 | $156,352 | -$156,352 |
| 9-12 | 0 | 8,417 | $0 | $84,235 | -$84,235 |
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
-$947,144
Latest report
20 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Edward J. Richardson | Chairman & CEO, Director, 10%+ Owner | $15,660,576 | Mixed | 18 Nov 2025 | ||
| Wendy Diddell | COO, Director | $1,375,710 | Mixed | 02 Feb 2026 | ||
| Kathleen McNally | EVP Global Supply Chain | $770,484 | -$196,069 | -20% | Filing P/S | 20 May 2026 |
| Robert J. Ben | CFO, CAO, Corporate Secretary | $688,752 | -$220,201 | -24% | Filing P/S | 19 Feb 2026 |
| Jens Frank Ruppert | EVP Canvys | $473,605 | -$205,480 | -30% | Filing P/S | 27 Jan 2026 |
| Robert H. Kluge | Director | $466,596 | Mixed | 21 Jul 2025 | ||
| Kenneth Halverson | Director | $210,788 | -$325,394 | -61% | Filing P/S | 05 May 2026 |
| James Benham | Director | $186,706 | Mixed | 21 Jul 2025 | ||
| Paul J. Plante | Director | $175,346 | Mixed | 21 Jul 2025 | ||
| Jacques Belin | Director | $148,182 | Mixed | 13 Jan 2026 | ||
| Gregory J. Peloquin | Evp Pmt | Mixed | 21 Jul 2025 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Kathleen McNally | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -6,636 | 0 | 20 May 2026 | Direct | ||
| Kenneth Halverson | RELL | Common Stock | Sale | -41.1% | $146,942 | $14.69 | -10,000 | 14,345 | 05 May 2026 | Direct |
| Kenneth Halverson | RELL | Common Stock | Options Exercise | 69.7% | 10,000 | 24,345 | 05 May 2026 | Direct | ||
| Kenneth Halverson | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -10,000 | 0 | 05 May 2026 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Sale | -7.01% | $51,948 | $12.99 | -4,000 | 53,034 | 19 Feb 2026 | Direct |
| Kenneth Halverson | RELL | Common Stock | Sale | -41.1% | $130,850 | $13.08 | -10,000 | 14,345 | 12 Feb 2026 | Direct |
| Kenneth Halverson | RELL | Common Stock | Options Exercise | 69.7% | 10,000 | 24,345 | 12 Feb 2026 | Direct | ||
| Kenneth Halverson | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -10,000 | 0 | 12 Feb 2026 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Gift | -0.16% | -200 | 126,444 | 04 Feb 2026 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Sale | -8.06% | $59,503 | $11.90 | -5,000 | 57,034 | 04 Feb 2026 | Direct |
| Wendy Diddell | RELL | Common Stock | Gift | -0.31% | -400 | 126,644 | 02 Feb 2026 | Direct | ||
| Jens Frank Ruppert | RELL | Common Stock | Sale | -30.1% | $205,480 | $12.09 | -17,000 | 39,500 | 27 Jan 2026 | Direct |
| Jens Frank Ruppert | RELL | Common Stock | Options Exercise | 43% | 17,000 | 56,500 | 27 Jan 2026 | Direct | ||
| Jens Frank Ruppert | RELL | Employe Stock Option (Right to Buy) | Options Exercise | -100% | -17,000 | 0 | 27 Jan 2026 | Direct | ||
| Jacques Belin | RELL | Common Stock | Options Exercise | 26.1% | 4,000 | 19,345 | 13 Jan 2026 | Direct | ||
| Jacques Belin | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -4,000 | 0 | 13 Jan 2026 | Direct | ||
| Edward J. Richardson | RELL | Class B Common Stock | Gift | -0.05% | -1,000 | 1,995,657 | 19 Nov 2025 | By self as Trustee and sole Beneficiary of Edward J. Richardson Trust UA January 24, 2001 | ||
| Edward J. Richardson | RELL | Common Stock | Gift | -58.4% | -32,500 | 23,114 | 18 Nov 2025 | Direct | ||
| Edward J. Richardson | RELL | Common Stock | Conversion of derivative security | 29% | 12,500 | 55,614 | 18 Nov 2025 | Direct | ||
| Edward J. Richardson | RELL | Class B Common Stock | Conversion of derivative security | -0.62% | -12,500 | 1,996,657 | 18 Nov 2025 | By self as Trustee and sole Beneficiary of Edward J. Richardson Trust UA January 24, 2001 | ||
| Kenneth Halverson | RELL | Common Stock | Sale | -22.6% | $47,602 | $11.33 | -4,200 | 14,345 | 16 Oct 2025 | Direct |
| Wendy Diddell | RELL | Common Stock | Gift | -0.2% | -250 | 127,044 | 14 Oct 2025 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Sale | -13.3% | $108,750 | $11.45 | -9,500 | 62,034 | 14 Oct 2025 | Direct |
| Robert J. Ben | RELL | Common Stock | Options Exercise | 15.3% | 9,500 | 71,534 | 14 Oct 2025 | Direct | ||
| Robert J. Ben | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -9,500 | 0 | 14 Oct 2025 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Gift | -0.39% | -500 | 127,294 | 13 Aug 2025 | Direct | ||
| Kathleen McNally | RELL | Common Stock | Sale | -15.6% | $84,235 | $10.01 | -8,417 | 45,719 | 12 Aug 2025 | Direct |
| Kathleen McNally | RELL | Common Stock | Options Exercise | 18.4% | 8,417 | 54,136 | 12 Aug 2025 | Direct | ||
| Kathleen McNally | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -8,417 | 0 | 12 Aug 2025 | Direct | ||
| Kathleen McNally | RELL | Common Stock | Tax liability | -0.97% | -450 | 45,719 | 22 Jul 2025 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Tax liability | -0.8% | -500 | 62,034 | 22 Jul 2025 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Tax liability | -2% | -2,606 | 127,794 | 22 Jul 2025 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Award | 18.1% | 20,000 | 130,400 | 21 Jul 2025 | Direct | ||
| Wendy Diddell | RELL | Employee Stock Option (Right to Buy) | Award | 20,000 | 20,000 | 21 Jul 2025 | Direct | |||
| Edward J. Richardson | RELL | Common Stock | Award | 86.5% | 20,000 | 43,114 | 21 Jul 2025 | Direct | ||
| Edward J. Richardson | RELL | Employee Stock Option (Right to Buy) | Award | 20,000 | 20,000 | 21 Jul 2025 | Direct | |||
| Robert J. Ben | RELL | Common Stock | Award | 15.7% | 8,500 | 62,534 | 21 Jul 2025 | Direct | ||
| Robert J. Ben | RELL | Employee Stock Option (Right to Buy) | Award | 10,000 | 10,000 | 21 Jul 2025 | Direct | |||
| Kathleen McNally | RELL | Common Stock | Award | 12.2% | 5,000 | 46,169 | 21 Jul 2025 | Direct | ||
| Kathleen McNally | RELL | Employee Stock Option (Right to Buy) | Award | 7,500 | 7,500 | 21 Jul 2025 | Direct | |||
| Gregory J. Peloquin | RELL | Employee Stock Option (Right to Buy) | Award | 10,000 | 10,000 | 21 Jul 2025 | Direct | |||
| Jens F. Ruppert | RELL | Common Stock | Award | 5.33% | 2,000 | 39,500 | 21 Jul 2025 | Direct | ||
| Jens F. Ruppert | RELL | Employee Stock Option (Right to Buy) | Award | 10,000 | 10,000 | 21 Jul 2025 | Direct | |||
| Robert H. Kluge | RELL | Common Stock | Award | 11.9% | 5,139 | 48,345 | 21 Jul 2025 | Direct | ||
| James Benham | RELL | Common Stock | Award | 36.2% | 5,139 | 19,345 | 21 Jul 2025 | Direct | ||
| Kenneth Halverson | RELL | Common Stock | Award | 38.3% | 5,139 | 18,545 | 21 Jul 2025 | Direct | ||
| Jacques Belin | RELL | Common Stock | Award | 50.4% | 5,139 | 15,345 | 21 Jul 2025 | Direct | ||
| Paul J. Plante | RELL | Common Stock | Award | 39.4% | 5,139 | 18,168 | 21 Jul 2025 | Direct |
* marks a reported price that did not pass the local price check.