Updated Jul 16, 2026
WOLTOSZ WALTER S has filed 4 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $4.75M.
Walter S. Woltosz is a corporate insider and director at Simulations Plus, Inc., where he holds a 10% ownership stake. He has been involved in multiple SEC filings related to his ownership and role within the company.
| Role | Director, 10% Owner |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-06 | SLP | Simulations Plus, Inc. | S — Open-market sale | 4.2K | $18.44 | $77K |
| 2026-06-02 | SLP | Simulations Plus, Inc. | S — Open-market sale | 15.0K | $17.43 | $261K |
| 2026-05-05 | SLP | Simulations Plus, Inc. | S — Open-market sale | 15.0K | $15.13 | $227K |
| 2026-05-01 | SLP | Simulations Plus, Inc. | A — Grant or award | 2.1K | $0.00 | |
| 2026-02-02 | SLP | Simulations Plus, Inc. | A — Grant or award | 1.8K | $0.00 | |
| 2025-10-01 | SLP | Simulations Plus, Inc. | S — Open-market sale | 20.0K | $15.39 | $308K |
| 2025-08-01 | SLP | Simulations Plus, Inc. | A — Grant or award | 2.1K | $0.00 | |
| 2025-07-01 | SLP | Simulations Plus, Inc. | S — Open-market sale | 12.2K | $18.58 | $227K |
| 2025-07-01 | SLP | Simulations Plus, Inc. | S — Open-market sale | 7.8K | $17.94 | $140K |
| 2025-06-02 | SLP | Simulations Plus, Inc. | S — Open-market sale | 100 | $31.36 | $3K |
| 2025-06-02 | SLP | Simulations Plus, Inc. | S — Open-market sale | 1.0K | $30.57 | $31K |
| 2025-06-02 | SLP | Simulations Plus, Inc. | S — Open-market sale | 700 | $29.13 | $20K |
| 2025-06-02 | SLP | Simulations Plus, Inc. | S — Open-market sale | 2.7K | $27.71 | $75K |
| 2025-06-02 | SLP | Simulations Plus, Inc. | S — Open-market sale | 15.5K | $26.72 | $414K |
| 2025-05-01 | SLP | Simulations Plus, Inc. | S — Open-market sale | 10.6K | $33.78 | $358K |
| 2025-05-01 | SLP | Simulations Plus, Inc. | S — Open-market sale | 9.4K | $33.20 | $312K |
| 2025-05-01 | SLP | Simulations Plus, Inc. | A — Grant or award | 786 | $0.00 | |
| 2025-04-01 | SLP | Simulations Plus, Inc. | S — Open-market sale | 2.6K | $24.62 | $64K |
| 2025-04-01 | SLP | Simulations Plus, Inc. | S — Open-market sale | 17.4K | $24.01 | $418K |
| 2024-12-03 | SLP | Simulations Plus, Inc. | S — Open-market sale [10b5-1] | 20.0K | $31.76 | $635K |
Walter S. Woltosz is a corporate insider and director at Simulations Plus, Inc., where he holds a 10% ownership stake. He has been involved in multiple SEC filings related to his ownership and role within the company.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 18 open-market sales ($4.75M) across all tracked 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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