SLPHealthcareSmall-Cap
Simulations Plus, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Simulations Plus, Inc. (SLP), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are SLP insiders buying or selling?
Simulations Plus, Inc. insiders reported 4 open-market buys ($2.7M) and 123 sells ($77.5M) across 127 Form 4 filings — a net selling position of $74.8M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 8, 2026)
Total Form 4 filings
127
SEC EDGAR
Insider filers
9
Insider buys (4)
$2.7M
Insider sells (123)
$77.5M
Insider sentiment
Net sellingNet insider flow of $74.8M in net selling.
Recent SLP insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 8, 2026 | John Anthony Dibella II | Chief Revenue Officer | Sale | 1.0K | $18.36 | $18.4K |
| Jul 6, 2026 | Walter S Woltosz | Director, 10% Owner | Sale | 4.2K | $18.44 | $77.0K |
| Jun 17, 2026 | Jill Fiedler-Kelly | President, Services Solutions | Sale | 7.3K | $18.20 | $133.8K |
| Jun 16, 2026 | Jill Fiedler-Kelly | President, Services Solutions | Sale | 1.1K | $16.51 | $17.3K |
| Jun 4, 2026 | John Anthony Dibella II | Chief Revenue Officer | Sale | 1.0K | $16.50 | $16.5K |
| Jun 2, 2026 | Walter S Woltosz | Director, 10% Owner | Sale | 15.0K | $17.43 | $261.4K |
| May 13, 2026 | Jill Fiedler-Kelly | President, Services Solutions | Sale | 1.0K | $16.53 | $16.5K |
| May 5, 2026 | John Anthony Dibella II | Chief Revenue Officer | Sale | 1.0K | $14.98 | $15.0K |
| May 5, 2026 | Walter S Woltosz | Director, 10% Owner | Sale | 15.0K | $15.13 | $226.9K |
| Apr 16, 2026 | John Anthony Dibella II | Chief Revenue Officer | Sale | 1.0K | $13.37 | $13.4K |
| Dec 2, 2025 | Lisa Lavange | Director | Sale | 866 | $16.91 | $14.6K |
| Oct 3, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $15.39 | $307.8K |
| Sep 4, 2025 | Lisa Lavange | Director | Sale | 867 | $14.10 | $12.2K |
| Aug 4, 2025 | Lisa Lavange | Director | Sale | 867 | $12.93 | $11.2K |
| Jul 2, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $18.33 | $366.6K |
| Jun 3, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $27.15 | $543.1K |
| May 1, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $33.51 | $670.2K |
| Apr 2, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $24.09 | $481.8K |
| Mar 4, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $28.68 | $573.6K |
| Feb 4, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $33.91 | $678.2K |
| Jan 3, 2025 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $27.88 | $557.7K |
| Dec 30, 2024 | Daniel L Weiner | Director | Sale | 750 | $28.50 | $21.4K |
| Dec 3, 2024 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $31.76 | $635.2K |
| Dec 3, 2024 | Lisa Lavange | Director | Sale | 650 | $31.88 | $20.7K |
| Nov 5, 2024 | Walter S Woltosz | Director, 10% Owner | Sale | 20.0K | $27.66 | $553.2K |
Showing the 25 most recent of 127 Form 4 filings for Simulations Plus, Inc..
Most active SLP insiders
- Walter S Woltosz85 filings
- Lisa Lavange10 filings
- John Anthony Dibella II8 filings
- Daniel L Weiner7 filings
- John Kenneth Paglia7 filings
Ask anything about SLP insider activity
Use Trabud's AI agent to query Simulations Plus, Inc.'s Form 4 history in plain English — "Show me SLP CEO purchases this year" or compare it against any other ticker.
Open the AI agentSLP insider trading FAQ
Are Simulations Plus, Inc. insiders buying or selling?
Across 127 SEC Form 4 filings, Simulations Plus, Inc. (SLP) insiders reported 4 open-market purchases totaling $2.7M and 123 sales totaling $77.5M. That is a net selling position of $74.8M.
How many insiders trade SLP stock?
9 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Simulations Plus, Inc.. The most recent filing was accepted on Jul 8, 2026.
Where does Trabud get SLP insider trading data?
All SLP insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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