Summary
Updated Aug 30, 2026
Walter S. Woltosz is Director, 10% Owner of Simulations Plus, Inc. (SLP). 15 SEC Form 4 filings on record going back to 2024, most recently on 6 July 2026. Most recent open-market trade: sold $77K of SLP on 6 July 2026. Lifetime open-market sales: $4.75M.
Recent Transactions
20Every recent SEC Form 4 transaction Walter S. Woltosz has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Walter S. Woltosz go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. 8 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Walter S. Woltosz 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.
- Jill Fiedler-Kelly - $168K of SLP open-market activity in the last 12 months
- John Anthony Dibella II - $81K of SLP open-market activity in the last 12 months
- Lisa Lavange - $27K of SLP 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 Walter S. Woltosz?
Walter S. Woltosz is a corporate insider, tracked as Director, 10% Owner of Simulations Plus, Inc. (SLP). InsiderAlpha holds 15 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 Walter S. Woltosz submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Walter S. Woltosz been buying or selling stock?
Recorded transactions: 0 open-market purchases and 18 open-market sales ($4.75M) across all tracked filings.
Where can I see all of Walter S. Woltosz'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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