X0202 SCHEDULE 13G 0001420816 XXXXXXXX LIVE Class A Common Stock, par value $0.0001 per share 07/28/2026 0002065708 Andersen Group Inc. 033853102 333 Bush Street, Suite 1700 San Francisco CA 94104 Rule 13d-1(c) Telemark Asset Management, LLC b DE 0 720000 0 720000 720000 5.3 IA OO Telemark Fund LP b DE 0 720000 0 720000 720000 5.3 PN Colin S. McNay b X1 0 720000 0 720000 720000 5.3 IN Andersen Group Inc. 333 Bush Street, Suite 1700, San Francisco, California 94104 This statement on Schedule 13G (this "Statement") is being jointly filed by Telemark Asset Management, LLC ("TAM"), Telemark Fund, LP ("TF") and Colin McNay ("Mr. McNay" and, together with TAM and TF, the "Reporting Persons"). TAM is the investment adviser of TF. Mr. McNay is the President and sole owner of TAM. Each Reporting Person declares that neither the filing of this Statement nor anything herein shall be construed as an admission that such Reporting Person is, for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as amended, or any other purpose, the beneficial owner of any securities covered by this Statement other than the securities actually owned by such person (if any). The address of the principal office of each Reporting Person is: One International Place, Suite 4620 Boston, Massachusetts 02110 TAM is a Delaware limited liability company; TF is a Delaware limited partnership; and Mr. McNay is a United States citizen. Y See response to Item 9 on each cover page. See response to Item 11 on each cover page. The percentage reported in this Statement is based upon 13,472,214 shares of the Issuer's Class A Common Stock outstanding according to the Form 10-Q filed by the Issuer with the U.S. Securities and Exchange Commission on May 12, 2026. See response to Item 5 on each cover page. See response to Item 6 on each cover page. See response to Item 7 on each cover page. See response to Item 8 on each cover page. 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 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. Exhibit A: Joint Filing Agreement among the Reporting Persons, dated August 3, 2026. Telemark Asset Management, LLC /s/ Brian C. Miley 08/03/2026 Telemark Fund LP /s/ Brian C. Miley 08/03/2026 Colin S. McNay /s/ Colin S. McNay 08/03/2026