RELL insider buying and SEC filings, explained
Richardson Electronics, Ltd. · CIK 355948
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.8M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 29, 2026 | Sale | Kenneth Halverson (Director) sold 1,000 shares at $21.19 ($21K). Holdings down 9% to 9,865 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 2, 2026, 11:54 AM ET |
| Aug 20, 2026 | Sale | Kenneth Halverson (Director) sold 1,500 shares at about $17.47 ($26K). Holdings down 12% to 10,865 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 24, 2026 |
| Aug 19, 2026 | Sale | James Benham (Director) sold 3,020 shares at $17.99 ($54K). Holdings down 14% to 19,345 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 21, 2026 |
| Aug 4, 2026 | Sale | Wendy Diddell (President / COO and Director) sold 23,901 shares at $20.00 ($478K). Holdings down 17% to 114,150 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 6, 2026 |
| Aug 3, 2026 | Sale | Kenneth Halverson (Director) sold 5,000 shares at about $18.77 ($94K). Holdings down 29% to 12,365 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 5, 2026 |
| Jul 28, 2026 | Sale | Paul J. Plante (Director) sold 17,000 shares at about $18.81 ($320K). Holdings down 55% to 14,188 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 30, 2026 |
| Jul 28, 2026 | Sale | Jens Frank Ruppert (EVP Canvys) sold 37,500 shares at about $19.01 ($713K). Holdings down 95% to 2,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 30, 2026 |
| Feb 19, 2026 | Sale | Robert J Ben (CFO) sold 4,000 shares at about $12.99 ($52K). Holdings down 7% to 53,034 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 23, 2026 |
| Feb 4, 2026 | Sale | Robert J Ben (CFO) sold 5,000 shares at about $11.90 ($60K). Holdings down 8% to 57,034 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 6, 2026 |
42 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow RELL in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.