Simulations Plus, Inc.
Simulations Plus, Inc. (SLP) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · SLP · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
12
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Simulations Plus, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
SLP insider buying and selling by quarter
SLP insider selling · SLP insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · SLP ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
SLP executive sell shares · SLP board member insider trading · SLP insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Jun 3, 2026 | DiBella John Anthony II Chief Revenue Officer | Sale | 1,000 | $17K | Form 4 |
| Jun 1, 2026 | WOLTOSZ WALTER S Director | Sale | 15,000 | $261K | Form 4 |
| May 11, 2026 | Fiedler-Kelly Jill President, Services Solutions | Option | 1,000 | $10K | Form 4 |
| May 11, 2026 | Fiedler-Kelly Jill President, Services Solutions | Sale | 1,000 | $17K | Form 4 |
| May 4, 2026 | DiBella John Anthony II Chief Revenue Officer | Sale | 1,000 | $15K | Form 4 |
| May 4, 2026 | WOLTOSZ WALTER S Director | Sale | 15,000 | $227K | Form 4 |
| May 1, 2026 | Evans Sharlene Director | Award | 2,117 | — | Form 4 |
| May 1, 2026 | WOLTOSZ WALTER S Director | Award | 2,117 | — | Form 4 |
| May 1, 2026 | WEINER DANIEL L Director | Award | 2,117 | — | Form 4 |
| May 1, 2026 | Paglia John Kenneth Director | Award | 2,117 | — | Form 4 |
| Apr 15, 2026 | DiBella John Anthony II Chief Revenue Officer | Sale | 1,000 | $13K | Form 4 |
| Feb 6, 2026 | DiBella John Anthony II Chief Revenue Officer | Option | 10,300 | $100K | Form 4 |
| Jan 30, 2026 | WOLTOSZ WALTER S Director | Award | 1,776 | — | Form 4 |
| Jan 30, 2026 | Evans Sharlene Director | Award | 1,776 | — | Form 4 |
| Jan 30, 2026 | WEINER DANIEL L Director | Award | 1,776 | — | Form 4 |
| Jan 30, 2026 | Paglia John Kenneth Director | Award | 1,776 | — | Form 4 |
| Jan 28, 2026 | Fiedler-Kelly Jill President, Services Solutions | Option | 8,950 | $87K | Form 4 |
| Dec 18, 2025 | WOLTOSZ WALTER S Director | Gift | 9,095 | — | Form 4 |
| Dec 1, 2025 | LaVange Lisa Director | Sale | 866 | $15K | Form 4 |
| Nov 3, 2025 | LaVange Lisa Director | Award | 1,771 | — | Form 4 |
| Nov 3, 2025 | WOLTOSZ WALTER S Director | Award | 1,771 | — | Form 4 |
| Nov 3, 2025 | WEINER DANIEL L Director | Award | 1,771 | — | Form 4 |
| Nov 3, 2025 | Paglia John Kenneth Director | Award | 1,771 | — | Form 4 |
| Nov 3, 2025 | Evans Sharlene Director | Award | 1,771 | — | Form 4 |
| Oct 1, 2025 | WOLTOSZ WALTER S Director | Sale | 20,000 | $308K | Form 4 |
DiBella John Anthony II
Chief Revenue Officer
Date
Jun 3
Shares
1,000
Price
$16.50
Value
$17K
Fiedler-Kelly Jill
President, Services Solutions
Date
May 11
Shares
1,000
Price
$10.05
Value
$10K
Fiedler-Kelly Jill
President, Services Solutions
Date
May 11
Shares
1,000
Price
$16.53
Value
$17K
DiBella John Anthony II
Chief Revenue Officer
Date
May 4
Shares
1,000
Price
$14.98
Value
$15K
DiBella John Anthony II
Chief Revenue Officer
Date
Apr 15
Shares
1,000
Price
$13.37
Value
$13K
DiBella John Anthony II
Chief Revenue Officer
Date
Feb 6
Shares
10,300
Price
$9.71
Value
$100K
Fiedler-Kelly Jill
President, Services Solutions
Date
Jan 28
Shares
8,950
Price
$9.71
Value
$87K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About SLP insider trading
SLP insider trades
Simulations Plus, Inc. (SLP) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including WOLTOSZ WALTER S (Director), LaVange Lisa (Director), DiBella John Anthony II (Chief Revenue Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. SLP insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Simulations Plus, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
SLP insider trading · 5 questionsThe insiders of Simulations Plus, Inc. (SLP) include executives and directors such as WOLTOSZ WALTER S (Director), LaVange Lisa (Director), DiBella John Anthony II (Chief Revenue Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026