DiBella John Anthony II 4

What Happened
John Anthony DiBella II, Chief Revenue Officer of Simulations Plus, sold 1,000 shares of SLP stock on April 15, 2026. The shares were sold at $13.37 per share for a total of $13,370. This was a sale (not a purchase); sales executed under prearranged plans are often routine and do not necessarily signal a change in company outlook.

Key Details

• Transaction date: 2026-04-15; filing date: 2026-04-16 (filed the next day).
• Transaction type/code: Sale (S) — open market/private sale reported.
• Price and size: 1,000 shares at $13.37 per share; total proceeds $13,370.
• Footnotes: (F1) Sale effected automatically under a Rule 10b5-1 trading plan. (F2) All shares were sold in a single transaction at $13.37.
• Shares owned after transaction: Not disclosed in the provided Form 4 excerpt.
• Timeliness: Filing appears timely (filed the day after the reported sale).

Context
A 10b5-1 plan lets insiders sell shares according to a pre-set schedule and is commonly used to avoid concerns about trading on nonpublic information. Because this was a small, automated sale under such a plan, it should be viewed as routine insider activity rather than a clear signal about company prospects.