Summary
Updated Aug 31, 2026
Donald P. Richmond II is CTO of AEHR TEST SYSTEMS (AEHR). 25 SEC Form 4 filings on record going back to 2024, most recently on 28 July 2026. Most recent open-market trade: sold $1.24M of AEHR on 15 April 2026. Lifetime open-market sales: $2.33M.
Recent Transactions
20Every recent SEC Form 4 transaction Donald P. Richmond II has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Donald P. Richmond II go back to 2024: 25 primary Form 4 filings, an average of 8.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Donald P. Richmond II files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Gayn Erickson - $16.02M of AEHR open-market activity in the last 12 months
- Geoffrey Gates Scott - $12.31M of AEHR open-market activity in the last 12 months
- Rhea J. Posedel - $9.55M of AEHR open-market activity in the last 12 months
- Howard T. Slayen - $5.20M of AEHR open-market activity in the last 12 months
- Alberto Salamone - $4.00M of AEHR open-market activity in the last 12 months
- Adil Engineer - $3.10M of AEHR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Donald P. Richmond II?
Donald P. Richmond II is a corporate insider, tracked as CTO of AEHR TEST SYSTEMS (AEHR). InsiderAlpha holds 25 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Donald P. Richmond II submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Donald P. Richmond II been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($2.33M) across all tracked filings.
Where can I see all of Donald P. Richmond II's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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