Co-Diagnostics Director James Nelson Restricted Stock Unit Vesting and Common Stock Acquisition

This Form 4 filing reports that James B. Nelson, a director of Co-Diagnostics, Inc., received 1,695 shares of common stock on May 23, 2026, through the vesting of restricted stock units (RSUs). The RSUs were part of awards granted under the company's 2015 Long Term Incentive Plan, with 2,334 RSUs awarded on June 12, 2023, 3,667 RSUs awarded on April 26, 2024, and 4,167 RSUs awarded on August 13, 2025. These awards vest in six equal installments every six months. Following this vesting transaction, Nelson disposed of 1,695 RSUs and now holds 4,000 remaining RSUs. He also acquired 1,695 shares of common stock at $0.00 per share, bringing his total direct common stock holdings to 10,668 shares. The filing represents routine equity compensation activity for a company director under the established incentive plan.