SEC Form 4
Richardson Electronics Ltd (RELL) insider trading
In the 12 months to Nov 9, 2026, 9 RELL insiders reported open-market sales of $3.7M across 20 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $3.7M
- 20 filings · 9 insiders
- Open-market purchases
- $0
- 0 filings
Who traded RELL, and when
- Sale
RELL daily close from Nov 10, 2025 to Nov 6, 2026, between $9.43 and $21.82, last $17.56. 20 sale and 0 purchase filings by 9 insiders, marked at their filing dates. Jens Frank Ruppert, EVP Canvys: sold $918.3K across 2 filings, first filed Jan 29, 2026, last Jul 30, 2026. Robert J. Ben, CFO, CAO, Corporate Secretary: sold $561.0K across 5 filings, first filed Feb 6, 2026, last Oct 30, 2026. Robert H. Kluge, Director: sold $519.2K across 1 filing, first filed Aug 3, 2026, last Aug 3, 2026. Wendy Diddell, COO: sold $478.0K across 1 filing, first filed Aug 6, 2026, last Aug 6, 2026. Kenneth Halverson, Director: sold $419.0K across 5 filings, first filed Feb 17, 2026, last Nov 2, 2026. Paul J. Plante, Director: sold $319.8K across 1 filing, first filed Jul 30, 2026, last Jul 30, 2026. 3 others: sold $458.6K across 5 filings, first filed May 22, 2026, last Aug 21, 2026.
Largest mark · tap a row for others
Jens Frank Ruppert · EVP Canvys
Sale $712,808
37,500 shares at $19.01 avg
Filed Jul 30, 2026 · traded Jul 28
Close on filing date $18.13
Jens Frank Ruppert · EVP Canvys
EVP Canvys
$918.3K soldRobert J. Ben · CFO, CAO, Corporate Secretary
CFO, CAO, Corporate Secretary
$561.0K soldRobert H. Kluge · Director
Director
$519.2K soldWendy Diddell · COO
COO
$478.0K soldKenneth Halverson · Director
Director
$419.0K soldPaul J. Plante · Director
Director
$319.8K sold3 others
Combined, one mark per week
$458.6K soldOpen-market trades
20 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Jens Frank Ruppert | EVP Canvys | $918.3K | — | 2 | — | |
| Robert J. Ben | CFO, CAO, Corporate Secretary | $561.0K | — | 5 | — | |
| Robert H. Kluge | Director | $519.2K | — | 1 | — | |
| Wendy Diddell | COO | $478.0K | — | 1 | — | |
| Kenneth Halverson | Director | $419.0K | — | 5 | — | |
| Paul J. Plante | Director | $319.8K | — | 1 | — | |
| James Benham | Director | $239.4K | — | 3 | — | |
| Kathleen Mcnally | EVP Global Supply Chain | $111.8K | — | 1 | — | |
| Jacques Belin | Director | $107.3K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Kenneth Halverson Director | Sale | 1,000 | $21.19 | $21.2K | 9,865 | |
traded | Robert J. Ben CFO, CAO, Corporate Secretary | Sale | 5,000 | $21.01 | $105.1K | 60,534 | |
traded | Kenneth Halverson Director | Sale | 1,500 | $17.47 | $26.2K | 10,865 | |
traded | James Benham Director | Sale | 3,020 | $17.99 | $54.3K | 19,345 | |
traded | Wendy Diddell COO | Sale | 23,901 | $20.00 | $478.0K | 114,150 | |
traded | Robert J. Ben CFO, CAO, Corporate Secretary | Sale | 9,000 | $21.61 | $194.5K | 60,534 | |
traded | Jacques Belin Director | Sale | 5,000 | $21.46 | $107.3K | 22,365 | |
traded | James Benham Director | Sale | 9,836 | $18.50 | $182.0K | 22,365 | |
traded | Kenneth Halverson Director | Sale | 5,000 | $18.77 | $93.9K | 12,365 | |
traded | Robert H. Kluge Director | Sale | 29,000 | $17.90 | $519.2K | 51,365 | |
traded | James Benham Director | Sale | 164 | $19.06 | $3.1K | 22,365 | |
traded | Robert J. Ben CFO, CAO, Corporate Secretary | Sale | 7,500 | $20.00 | $150.0K | 60,534 | |
traded | Jens Frank Ruppert EVP Canvys | Sale | 37,500 | $19.01 | $712.8K | 2,000 | |
traded | Paul J. Plante Director | Sale | 17,000 | $18.81 | $319.8K | 21,188 | |
traded | Kathleen Mcnally EVP Global Supply Chain | Sale | 6,636 | $16.85 | $111.8K | 45,719 | |
traded | Kenneth Halverson Director | Sale | 10,000 | $14.69 | $146.9K | 14,345 | |
traded | Robert J. Ben CFO, CAO, Corporate Secretary | Sale | 4,000 | $12.99 | $51.9K | 53,034 | |
traded | Kenneth Halverson Director | Sale | 10,000 | $13.09 | $130.9K | 14,345 | |
traded | Robert J. Ben CFO, CAO, Corporate Secretary | Sale | 5,000 | $11.90 | $59.5K | 57,065 | |
traded | Jens Frank Ruppert EVP Canvys | Sale | 17,000 | $12.09 | $205.5K | 40,600 |
GET /stocks/filings/vX/form-4?tickers=RELL&filing_date.gte=2025-11-09&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"RELL",
"RELLE"
],
"issuer_cik": "0000355948",
"owner_cik": "0001588888",
"accession_number": "0001193125-26-443094",
"form_type": "4",
"filing_date": "2026-11-02",
"period_of_report": "2026-10-29",
"issuer_name": "RICHARDSON ELECTRONICS, LTD.",
"issuer_trading_symbol": "RELL",
"owner_name": "Halverson Kenneth",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-29",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1000,
"transaction_price_per_share": 21.19,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 9865,
"transaction_value": 21190,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"RELL",
"RELLE"
],
"issuer_cik": "0000355948",
"owner_cik": "0001512170",
"accession_number": "0001193125-26-440960",
"form_type": "4",
"filing_date": "2026-10-30",
"period_of_report": "2026-10-28",
"issuer_name": "RICHARDSON ELECTRONICS, LTD.",
"issuer_trading_symbol": "RELL",
"owner_name": "Ben Robert J",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "CFO, CAO, Corporate Secretary",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-28",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 5000,
"transaction_price_per_share": 21.01,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 60534,
"transaction_value": 105050.00000000001,
"direct_or_indirect": "D"
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 49 records
- Option exercises28 records
- Tax withholding8 records
- Grants and awards9 records
- Gifts3 records
- Other1 record
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Richardson Electronics Ltd's CEO sold stock?
No. Edward J. Richardson (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is RELL’s insider data?
These are RELL Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for RELL every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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