Donald P. Richmond II is CTO at AEHR TEST SYSTEMS (AEHR). They have made 10 open-market trades across 1 company since 2021, most recently 2026-10-12.
CIK 0001736207
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 10 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| AEHR | 186,728 | $11.3M |
Shares reported on the most recent Form 4, priced at the 2026-10-13 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AEHR | SELL | 2026-04-14 | 2026-04-15 | $73.18 | $1.2M | +4.5% | +17.3% | -14.9% |
| AEHR | SELL | 2026-04-09 | 2026-04-10 | $68.68 | $1.1M | +41.1% | +51.6% | +10.3% |
| AEHR | SELL | 2024-01-18 | 2024-01-19 | $17.39 | $18K | -11.6% | +1.0% | -35.6% |
| AEHR | SELL | 2024-01-16 | 2024-01-17 | $17.24 | $3K | -8.5% | -0.1% | -34.5% |
| AEHR | SELL | 2023-08-09 | 2023-08-11 | $48.76 | $1.5M | -5.6% | +6.7% | -48.7% |
| AEHR | SELL | 2023-02-06 | 2023-02-08 | $35.66 | $2.1M | -6.8% | -16.5% | -20.0% |
| AEHR | SELL | 2022-10-28 | 2022-10-31 | $21.00 | $460K | +11.5% | +23.9% | +61.4% |
| AEHR | SELL | 2021-10-26 | 2021-10-27 | $20.70 | $1.1M | +16.7% | -15.8% | -43.0% |
| AEHR | SELL | 2021-10-08 | 2021-10-12 | $18.87 | $525K | +4.5% | +18.9% | -23.3% |
| AEHR | SELL | 2021-10-06 | 2021-10-08 | $14.25 | $123K | +6.2% | +24.5% | +7.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.