29, 2025) Up to $100,000,000Common Stock This prospectus supplement (this “Prospectus Supplement”) amends and supplements certain information in the prospectus,dated May 21, 2024, filed with the Securities and Exchange Commission (the “SEC”) as part of our registration statement on Form S-3(333-279123), as supplemented by our prospectus supplement, dated May 21, 2024, as further supplemented by the prospectussupplements dated April 18, 2025, June 2, 2025, and October 29, 2025 (collectively with this Prospectus Supplement, the “ATMProspectus”), relating to the offer and sale of shares of our common stock, par value $0.01 per share (“Common Stock”), from time totime pursuant to the terms of the certain ATM Sales Agreement, dated May 3, 2024 (the “Agreement”), we entered into with H.C.Wainwright & Co., LLC (“Wainwright”), as sales agent. During the twelve calendar months prior to, and including, the date hereof, wehave sold an aggregate of 1,203,544 shares of our Common Stock, as adjusted to reflect the one-for-fifteen reverse stock split effectedon September 29, 2025, for aggregate gross proceeds of approximately $12.7 million through Wainwright under the Agreement. ThisProspectus Supplement should be read in conjunction with the ATM Prospectus, and is qualified by reference thereto, except to theextent that the information herein amends or supersedes the information contained in the ATM Prospectus. This ProspectusSupplement is not complete without, and may only be delivered or utilized in connection with, the ATM Prospectus, and any futureamendments or supplements thereto. As of May 15, 2026, the aggregate market value of our outstanding common stock held by non-affiliates (“public float”)was approximately $90.0 million based on 10,282,258 shares of outstanding common stock held by non-affiliates as of such date, at aprice of $8.75 per share on April 22, 2026, which was the highest closing sale price of our common stock on The Nasdaq CapitalMarket within 60 days of the filing date of this Prospectus Supplement. Since our entry into the Sales Agreement, we have offered andsold 1,334,907 shares of common stock for approximately $17.0 million pursuant to the Sales Agreement. We are filing this Prospectus Supplement to amend the ATM Prospectus to update our public float and indicate that, sinceour public float is above $75.0 million, we are no longer subject to the sales limitations of General Instruction I.B.6 of Form S-3. As ofthe date of this Prospectus Supplement, we are increasing the aggregate amount of common stock that we are offering pursuant to theSales Agreement, such that we are offering up to an aggregate of $100.0 million of our common stock for sale under the SalesAgreement, including the shares of common stock previously sold. On May 14, 2026, the Company held Aethir tokens (“ATH”), inclusive of unlocked tokens and rights to receive tokens in thefuture, totaling approximately 6.209 billion ATH, with a market value of approximately $42.1 million, based on a price of $0.0068 perATH, the price reported on the OKX exchange as of 4:00 p.m. ET on such date. Our Common Stock trades on the Nasdaq Capital Market (“Nasdaq”) under the symbol “AGPU.” On May 14, 2026, the lastreported sale price of our Common Stock on Nasdaq was $5.60 per share. INVESTING IN OUR SECURITIES INVOLVES RISKS. SEE THE “RISK FACTORS” ON PAGE S-9 OF THEATMPROSPECTUS AND IN THE DOCUMENTS INCORPORATED BY REFERENCE IN THE REGISTRATIONSTATEMENT CONCERNING FACTORS YOU SHOULD CONSIDER BEFORE INVESTING IN OUR COMMON STOCK. Neither the SEC nor any state securities commission has approved or disapproved of these securities or passed uponthe adequacy or accuracy of this Prospectus Supplement or the ATM Prospectus and accompanying prospectus. Anyrepresentation to the contrary is a criminal offense. H.C. Wainwright & Co. The date of this Prospectus Supplement is May 15, 2026.




