Walter S. Woltosz Acquires 2,117 Shares of Simulations Plus Common Stock as Director Compensation

Walter S. Woltosz, a director and 10% owner of Simulations Plus, Inc., acquired 2,117 shares of common stock on May 1, 2026. The shares were granted as independent director compensation under the company's 2021 Equity Incentive Plan and were acquired at $0.00 per share. Following this transaction, Woltosz now holds 3,282,800 shares of Simulations Plus common stock. The filing was signed by William Frederick as attorney-in-fact for Walter S. Woltosz and Virginia E. Woltosz. This Form 4 filing reports the acquisition of equity securities by an insider of the company, which is required under Section 16 of the Securities Exchange Act of 1934.