SIMULATIONS PLUS INC (SLP) is a publicly traded company in the Unknown sector. Across all available filings, 19 corporate insiders have executed 571 transactions totaling $134.2M, demonstrating a bearish sentiment with -$131.4M in net insider flow. The most recent transaction on Dec 18, 2025 involved a transaction of 9,095 shares valued at $0.
No significant insider buying has been recorded for SLP in the recent period.
No significant insider selling has been recorded for SLP in the recent period.
Based on recent SEC filings, insider sentiment for SLP is bearish with an Insider Alignment Score of 1/100 and a net flow of -$131.4M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at SIMULATIONS PLUS INC (SLP) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 19 insiders are actively trading SLP stock, having executed 571 transactions in the past 90 days. The most active insider is Virginia E. Woltosz (Executive), who has made 131 transactions totaling $99.5M.
Get notified when executives and directors at SLP file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | S. Woltosz Walter | Executive | Gift | 9,095 | $N/A | $0 | |
| Dec 1, 2025 | Lavange Lisa | Executive | Sale | 866 | $16.91 | $14.6K | |
| Nov 3, 2025 | Evans Sharlene | Executive | Award | 1,771 | $N/A | $0 | |
| Nov 3, 2025 | Kenneth Paglia John | Executive | Award | 1,771 | $N/A | $0 | |
| Nov 3, 2025 | L. Weiner Daniel | Executive | Award | 1,771 | $N/A | $0 | |
| Nov 3, 2025 | S. Woltosz Walter | Executive | Award | 1,771 | $N/A | $0 | |
| Nov 3, 2025 | Lavange Lisa | Executive | Award | 1,771 | $N/A | $0 | |
| Oct 1, 2025 | E. Woltosz Virginia | Executive | Sale | 20,000 | $15.39 | $307.8K | |
| Sep 2, 2025 | Lavange Lisa | Executive | Sale | 867 | $14.10 | $12.2K | |
| Aug 1, 2025 | Lavange Lisa | Executive | Award | 2,074 | $N/A | $0 | |
| Aug 1, 2025 | Lavange Lisa | Executive | Sale | 867 | $12.93 | $11.2K | |
| Aug 1, 2025 | Evans Sharlene | Executive | Award | 2,074 | $N/A | $0 | |
| Aug 1, 2025 | Kenneth Paglia John | Executive | Award | 2,074 | $N/A | $0 | |
| Aug 1, 2025 | L. Weiner Daniel | Executive | Award | 2,074 | $N/A | $0 | |
| Aug 1, 2025 | E. Woltosz Virginia | Executive | Award | 2,074 | $N/A | $0 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 303 | $132.8M | 82.1% |
Gift(G) | 26 | $18.6M | 11.5% |
Exercise(M) | 68 | $3.5M | 2.1% |
Disposition(D) | 10 | $3.0M | 1.9% |
Award(A) | 151 | $1.4M | 0.9% |
Purchase(P) | 4 | $1.4M | 0.9% |
Other(J) | 1 | $701.7K | 0.4% |
Payment(F) | 6 | $402.7K | 0.2% |
Conversion(C) | 1 | $5.0K | 0.0% |
Will Acquisition(W) | 1 | $0 | 0.0% |
Insider selling pressure at SIMULATIONS PLUS INC has increased, with 19 insiders executing 571 transactions across all time. Total sales of $132.8M significantly outpace purchases of $1.4M, resulting in a net outflow of $131.4M. However, 46% of these transactions are pre-scheduled 10b5-1 plans, often used for tax planning or diversification rather than signaling negative outlook.