Simulations Plus, Inc. (SLP) Insider Trading
Over the last 3 months, SLP insiders made 0 open-market buys and 6 sales, a net sale of -$281K (SEC Form 4). Over the last 6 months, 123 institutions increased and 95 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$281.3K
Insider trades by month Buys Sells
Dec
Apr
May
Jun
Jul
Aug
Context3-month price +3.8%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 4, 2026 | DiBella John Anthony IIofficer: Chief Revenue Officer | Sell | 1,000 | $18.28 |
| Jul 8, 2026 | DiBella John Anthony IIofficer: Chief Revenue Officer | Sell | 1,000 | $18.36 |
| Jul 6, 2026 | WOLTOSZ WALTER Sdirector, 10 percent owner: | Sell | 4,177 | $18.44 |
| Jun 17, 2026 | Fiedler-Kelly Jillofficer: President, Services Solutions | Sell | 7,350 | $18.20 |
| Jun 17, 2026 | Fiedler-Kelly Jillofficer: President, Services Solutions | Option | 7,350 | $10.05 |
| Jun 16, 2026 | Fiedler-Kelly Jillofficer: President, Services Solutions | Sell | 1,050 | $16.51 |
| Jun 16, 2026 | Fiedler-Kelly Jillofficer: President, Services Solutions | Option | 1,050 | $10.05 |
| Jun 4, 2026 | DiBella John Anthony IIofficer: Chief Revenue Officer | Sell | 1,000 | $16.50 |
| Jun 2, 2026 | WOLTOSZ WALTER Sdirector, 10 percent owner: | Sell | 15,000 | $17.43 |
| May 13, 2026 | Fiedler-Kelly Jillofficer: President, Services Solutions | Option | 1,000 | $10.05 |
| May 13, 2026 | Fiedler-Kelly Jillofficer: President, Services Solutions | Sell | 1,000 | $16.53 |
| May 5, 2026 | DiBella John Anthony IIofficer: Chief Revenue Officer | Sell | 1,000 | $14.98 |
| May 5, 2026 | WOLTOSZ WALTER Sdirector, 10 percent owner: | Sell | 15,000 | $15.13 |
| May 1, 2026 | Evans Sharlenedirector | Grant | 2,117 | — |
| May 1, 2026 | Paglia John Kennethdirector | Grant | 2,117 | — |
| May 1, 2026 | WOLTOSZ WALTER Sdirector, 10 percent owner: | Grant | 2,117 | — |
| May 1, 2026 | WEINER DANIEL Ldirector | Grant | 2,117 | — |
| Apr 16, 2026 | DiBella John Anthony IIofficer: Chief Revenue Officer | Sell | 1,000 | $13.37 |
| Feb 9, 2026 | DiBella John Anthony IIofficer: Chief Revenue Officer | Option | 10,300 | $9.71 |
| Feb 2, 2026 | Paglia John Kennethdirector | Grant | 1,776 | — |
| Feb 2, 2026 | WEINER DANIEL Ldirector | Grant | 1,776 | — |
| Feb 2, 2026 | Evans Sharlenedirector | Grant | 1,776 | — |
| Feb 2, 2026 | WOLTOSZ WALTER Sdirector, 10 percent owner: | Grant | 1,776 | — |
| Jan 29, 2026 | Fiedler-Kelly Jillofficer: President, Services Solutions | Option | 8,950 | $9.71 |
| Dec 2, 2025 | LaVange Lisadirector | Sell | 866 | $16.91 |
| Nov 4, 2025 | Evans Sharlenedirector | Grant | 1,771 | — |
| Nov 4, 2025 | Paglia John Kennethdirector | Grant | 1,771 | — |
| Nov 4, 2025 | WEINER DANIEL Ldirector | Grant | 1,771 | — |
| Nov 4, 2025 | WOLTOSZ WALTER Sdirector, 10 percent owner: | Grant | 1,771 | — |
| Nov 4, 2025 | LaVange Lisadirector | Grant | 1,771 | — |
Source: SLP SEC Form 4 filings, latest Aug 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SLP positions over the last 6 months (SEC Form 13F).
Increased
123
New positions
64
Reduced
95
Sold out
24
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| First Light Asset Management, LLC | Increased | 2.8M | Aug 14, 2026 |
| FIRST LIGHT ASSET MANAGEMENT, LLC | Increased | 2.6M | May 15, 2026 |
| BlackRock, Inc. | Increased | 1.5M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 1.3M | May 13, 2026 |
| First Eagle Investment Management, LLC | Increased | 1.1M | Aug 24, 2026 |
| MORGAN STANLEY | Reduced | 888K | May 15, 2026 |
| FIRST EAGLE INVESTMENT MANAGEMENT, LLC | Increased | 742K | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 741K | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 740K | May 15, 2026 |
| MARSHALL WACE, LLP | Increased | 633K | May 15, 2026 |
| ROCKEFELLER CAPITAL MANAGEMENT L.P. | Reduced | 588K | May 14, 2026 |
| ROCKEFELLER CAPITAL MANAGEMENT L.P. | Reduced | 558K | Mar 17, 2026 |
| TRIBUTARY CAPITAL MANAGEMENT, LLC | Increased | 548K | May 4, 2026 |
| KENNEDY CAPITAL MANAGEMENT LLC | Increased | 539K | Aug 14, 2026 |
| Tributary Capital Management, LLC | Reduced | 538K | Jul 23, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.