SLP insider buying and SEC filings, explained
Simulations Plus, Inc. · CIK 1023459
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$829K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 3, 2026 | Planned (10b5-1) | John Anthony DiBella II (Chief Revenue Officer) sold 1,000 shares at $18.28 ($18K), marked as a 10b5-1 plan trade. Holdings down 1% to 85,140 shares. | SEC filing Filed Aug 4, 2026 |
| Jul 6, 2026 | Planned (10b5-1) | John Anthony DiBella II (Chief Revenue Officer) sold 1,000 shares at $18.36 ($18K), marked as a 10b5-1 plan trade. Holdings down 1% to 86,140 shares. | SEC filing Filed Jul 8, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Walter S. Woltosz (Director and 10% owner) sold 4,177 shares at $18.44 ($77K), marked as a 10b5-1 plan trade. Holdings down <1% to 3,202,131 shares. Filed jointly with 1 other reporting owner. | SEC filing Filed Jul 6, 2026 |
| Jun 16, 2026 | Planned (10b5-1) | Jill Fiedler-Kelly (President / COO) sold 7,350 shares at $18.20 ($134K), marked as a 10b5-1 plan trade. Holdings down 9% to 77,817 shares. | SEC filing Filed Jun 17, 2026 |
| Jun 15, 2026 | Planned (10b5-1) | Jill Fiedler-Kelly (President / COO) sold 1,050 shares at $16.51 ($17K), marked as a 10b5-1 plan trade. Holdings down 1% to 77,817 shares. | SEC filing Filed Jun 16, 2026 |
| Jun 3, 2026 | Planned (10b5-1) | John Anthony DiBella II (Chief Revenue Officer) sold 1,000 shares at $16.50 ($17K), marked as a 10b5-1 plan trade. Holdings down 1% to 87,140 shares. | SEC filing Filed Jun 4, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Walter S. Woltosz (Director and 10% owner) sold 15,000 shares at $17.43 ($261K), marked as a 10b5-1 plan trade. Holdings down <1% to 3,252,800 shares. Filed jointly with 1 other reporting owner. | SEC filing Filed Jun 2, 2026 |
| May 11, 2026 | Planned (10b5-1) | Jill Fiedler-Kelly (President / COO) sold 1,000 shares at $16.53 ($17K), marked as a 10b5-1 plan trade. Holdings down 1% to 77,817 shares. | SEC filing Filed May 13, 2026 |
| May 4, 2026 | Planned (10b5-1) | John Anthony DiBella II (Chief Revenue Officer) sold 1,000 shares at $14.98 ($15K), marked as a 10b5-1 plan trade. Holdings down 1% to 88,140 shares. | SEC filing Filed May 5, 2026 |
| May 4, 2026 | Planned (10b5-1) | Walter S. Woltosz (Director and 10% owner) sold 15,000 shares at $15.13 ($227K), marked as a 10b5-1 plan trade. Holdings down <1% to 3,267,800 shares. Filed jointly with 1 other reporting owner. | SEC filing Filed May 5, 2026 |
| Apr 15, 2026 | Planned (10b5-1) | John Anthony DiBella II (Chief Revenue Officer) sold 1,000 shares at $13.37 ($13K), marked as a 10b5-1 plan trade. Holdings down 1% to 89,140 shares. | SEC filing Filed Apr 16, 2026 |
| Dec 1, 2025 | Planned (10b5-1) | Lisa LaVange (Director) sold 866 shares at $16.91 ($15K), marked as a 10b5-1 plan trade. Holdings down 8% to 9,968 shares. | SEC filing Filed Dec 2, 2025 |
27 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow SLP in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.