Summary
Updated Aug 30, 2026
Ellen B. Richstone is Director of ORION ENERGY SYSTEMS, INC. (OESX). 5 SEC Form 4 filings on record going back to 2025, most recently on 12 August 2026.
Recent Transactions
5Every recent SEC Form 4 transaction Ellen B. Richstone has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ellen B. Richstone go back to 2025: 5 primary Form 4 filings, an average of 2.5 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 Ellen B. Richstone 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.
- Sally A. Washlow - $326K of OESX open-market activity in the last 12 months
- Heather L. Wishart-Smith - $20K of OESX open-market activity in the last 12 months
- John Brendan Doyle - $11K of CGTX open-market activity in the last 12 months
- Anthony Caggiano - $11K of CGTX open-market activity in the last 12 months
- Lisa Ricciardi - $10K of CGTX open-market activity in the last 12 months
- J. Per Brodin - $6K of OESX 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 Ellen B. Richstone?
Ellen B. Richstone is a corporate insider, tracked as Director of ORION ENERGY SYSTEMS, INC. (OESX). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Ellen B. Richstone submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of Ellen B. Richstone'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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