SCHEDULE 13G/A 0000902664-25-003289 0001469336 XXXXXXXX LIVE 1 Common Stock, $0.00001 par value per share 09/30/2025 0001874097 Cyngn Inc. 23257B305 1344 Terra Bella Avenue Mountain View CA 94043 Rule 13d-1(b) Empery Asset Management, LP DE 0.00 0.00 0.00 0.00 0.00 N 0 IA PN Ryan M. Lane X1 0.00 0.00 0.00 0.00 0.00 N 0 HC IN Martin D. Hoe X1 0.00 0.00 0.00 0.00 0.00 N 0 HC IN Cyngn Inc. 1344 Terra Bella Avenue Mountain View, CA 94043 This statement is filed by the entities and persons listed below, who are collectively referred to herein as "Reporting Persons," with respect to Common Stock, par value $0.00001 per share (the "Common Stock") of Cyngn Inc., a Delaware corporation (the "Company"): (i) Empery Asset Management, LP (the "Investment Manager"), with respect to the Common Stock held by funds to which the Investment Manager serves as investment manager (the "Empery Funds"); (ii) Mr. Ryan M. Lane ("Mr. Lane"), with respect to the Common Stock held by the Empery Funds; and (iii) Mr. Martin D. Hoe ("Mr. Hoe"), with respect to the Common Stock held by the Empery Funds. The Investment Manager serves as the investment manager to each of the Empery Funds. Each of Mr. Lane and Mr. Hoe (the "Reporting Individuals") is a Managing Member of Empery AM GP, LLC (the "General Partner"), the general partner of the Investment Manager. The address of the business office of each of the Reporting Persons is: 1 Rockefeller Plaza, Suite 1205 New York, New York 10020 Citizenship is set forth in Row 4 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. N IA HC The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 7,039,266 shares of Common Stock outstanding as of August 7, 2025, as reported in the Company's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 7, 2025. The Investment Manager, which serves as the investment manager to the Empery Funds, may be deemed to be the beneficial owner of all of the Common Stock held by the Empery Funds. Each of the Reporting Individuals, as Managing Members of the General Partner of the Investment Manager with the power to exercise investment discretion, may be deemed to be the beneficial owner of all of the Common Stock held by the Empery Funds. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the Common Stock owned by another Reporting Person. Each of the Empery Funds and the Reporting Individuals hereby disclaims any beneficial ownership of any such Common Stock. 0% The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference. N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Empery Asset Management, LP /s/ Ryan M. Lane 10/21/2025 Ryan M. Lane /s/ Ryan M. Lane 10/21/2025 Martin D. Hoe /s/ Martin D. Hoe 10/21/2025