🕵️ Simulations PLUS, Inc. ($SLP)
SEC insider & ownership activity, last 12 months · CIK 1023459 · every row links its SEC filing
Over the last 12 months insiders sold $1.1M with no open-market buying against it. Walter S Woltosz & Virginia Evans Woltosz sold $873K through a 10b5-1 trading plan in 4 lots (Oct–Jul). 1 planned sale is pending, the largest $51K (Jill Fiedler-Kelly). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 4 sellers, $1.1M (14 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Walter S Woltosz & Virginia Evans Woltosz | 0 | – | 4 | $873K | Jul 1, 2026 |
| Jill Fiedler-Kelly | 0 | – | 3 | $168K | Jun 16, 2026 |
| Dibella John Anthony II | 0 | – | 4 | $63K | Jul 6, 2026 |
| Lisa Lavange | 0 | – | 3 | $38K | Dec 1, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 13.2% | 13G | Feb 6, 2026 | filing ↗ | |
| Mathew P. Arens | 13.2% | 13G | Feb 6, 2026 | filing ↗ | |
| Conestoga Capital Advisors | 11.9% | 13G | Jan 10, 2025 | filing ↗ | |
| Conestoga Funds | 7.9% | 13G | Jan 10, 2025 | filing ↗ | |
| Blackrock, Inc. | 5.8% | 13G | Oct 2, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Walter S Woltosz & Virginia Evans Woltosz | $76K | Jul 1, 2026 | filing ↗ |
| Jill Fiedler-Kelly | $86K | Jun 16, 2026 | filing ↗ |
| Jill Fiedler-Kelly | $51K | Jun 15, 2026 | filing ↗ |
| Walter S Woltosz & Virginia Evans Woltosz | $257K | Jun 1, 2026 | filing ↗ |
| Jill Fiedler-Kelly | $17K | May 11, 2026 | filing ↗ |
| Walter S Woltosz & Virginia Evans Woltosz | $224K | May 4, 2026 | filing ↗ |
| John Anthony Dibella II | $53K | Apr 15, 2026 | filing ↗ |
| Lisa Lavange | $15K | Dec 1, 2025 | filing ↗ |
| Virginia Evans Woltosz & Walter S Woltosz | $301K | Oct 1, 2025 | filing ↗ |
| Lisa Lavange | $23K | Aug 1, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 9, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 15, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 15, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 15, 2026 | filing ↗ |
| Earnings (2.02) | Apr 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 12, 2026 | filing ↗ |
| Shareholder vote (5.07) | Feb 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 12, 2026 | filing ↗ |
| Earnings (2.02) | Jan 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 8, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 2, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 2, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 2, 2025 | filing ↗ |
| Earnings (2.02) | Dec 1, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 1, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 1, 2025 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |