Suspension of ATM Offering

On May 26, 2026, we notified H.C. Wainwright & Co., LLC ("Wainwright") that we suspended the use of and terminated the prospectus supplement filed on July 17, 2025, which forms a part of the "shelf" registration statement on Form S-3 (File No. 333-288736), relating to our existing "at the market" offering (the "ATM Program") pursuant to the At the Market Offering Agreement, dated July 17, 2025, by and between the Company and Wainwright (the "ATM Agreement"). We will not make any sales of our shares of common stock pursuant to the ATM Program unless and until a new prospectus supplement is filed. Other than the suspension of the ATM Program and termination of the related prospectus supplement, the ATM Agreement remains in full force and effect.sum