PRELIMINARY PROSPECTUS

Subject to completion, dated September 18, 2026

15,127,662 Shares of Common Stock

The selling stockholders named in this prospectus may use this prospectus to offer and resell from time to time up to 15,127,662 shares of our common stock, par value $0.0001 per share ("Common Stock"), comprised of (i) 2,516,786 shares of Common Stock ("Additional Conversion Shares") issuable upon conversion of 3,750 shares of the Company’s Series A Convertible Preferred Stock, par value $0.0001 per share (the "Series A Preferred Stock"), issued at Additional Closings (defined below) on July 16, 2026 and July 24, 2026, (ii) 161,313 shares of Common Stock ("Additional Warrant Shares") issuable upon exercise of warrants issued at such Additional Closings and (iii) 12,449,563 additional shares of Common Stock ("Additional RRA Shares") that we are required to register pursuant to the Preferred Stock Registration Rights Agreement (as defined below).

The shares of Common Stock registered hereunder are in addition to the (i) 5,028,373 shares of Common Stock issuable upon conversion of 26,411.5 shares of Series A Preferred Stock, and (ii) 705,936 shares of Common Stock issuable upon exercise of warrants (the "Warrant Shares"), which in each case were previously registered in the Company’s Registration Statement on Form S-3 (File No. 333-295156), as amended by Amendment No. 1 thereto (File No. 333-297248) declared effective by the U.S. Securities and Exchange Commission (the "SEC") on April 24, 2026 (the "Prior Prospectus").

The numbers of shares of Common Stock provided above give effect to the Company’s Reverse Stock Split (as defined below), effected August 20, 2026.

The Series A Preferred Stock and the Warrants were issued to the selling stockholders in reliance upon the exemption from the registration requirements in Section 4(a)(2) of the Securities Act of 1933, as amended (the "Securities Act"), and Rule 506 of Regulation D promulgated thereunder.

We are not selling any Common Stock under this prospectus and will not receive any of the proceeds from the sale of the Additional Conversion Shares, the Additional Warrant Shares, or the Additional RRA Shares by the selling stockholders. We will, however, receive the net proceeds of any Warrants exercised for cash.