X0202 SCHEDULE 13G/A 0000902664-26-001020 0001412741 XXXXXXXX LIVE 1 Class A Common Stock, par value $0.0001 per share 06/30/2026 0002065708 Andersen Group Inc. 033853102 333 BUSH ST STE 1700 SAN FRANCISCO CA 94104 Rule 13d-1(b) J. Goldman & Co LP DE 0.00 800605.00 0.00 800605.00 800605.00 N 5.94 IA PN J. Goldman Capital Management, Inc. DE 0.00 800605.00 0.00 800605.00 800605.00 N 5.94 HC CO Jay G. Goldman X1 0.00 800605.00 0.00 800605.00 800605.00 N 5.94 HC IN Andersen Group Inc. 333 Bush Street, Suite 1700, San Francisco, California 94104 This statement is filed by: (i) J. Goldman & Co., L.P. ("JGC") with respect to the shares of Class A common stock, par value $0.0001 per share (the "Class A Common Stock") of Andersen Group Inc. (the "Company") held by J. Goldman Master Fund, L.P. ("JGMF") and J. Goldman Enhanced Master Fund, L.P. ("JGEMF"); (ii) J. Goldman Capital Management, Inc. ("JGCM") with respect to the shares of Class A Common Stock held by JGMF and JGEMF; and (iii) Mr. Jay G. Goldman with respect to the shares of Class A Common Stock held by JGMF and JGEMF. The filing of this statement should not be construed as an admission that any of the forgoing persons or any Reporting Person is, for the purposes of Section 13 of the Act, the beneficial owner of the shares of Class A Common Stock reported herein. The address of the business office of each of the Reporting Persons is: c/o J. Goldman & Co., L.P. 510 Madison Avenue, 26th Floor New York, NY 10022 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 13,472,214 shares of Class A Common Stock outstanding as of May 5, 2026, as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2026, filed with the Securities and Exchange Commission on May 12, 2026. 5.94% 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. Y N See Item 2(a). 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. J. Goldman & Co LP /s/ Sagan A. Weiss 08/14/2026 J. Goldman Capital Management, Inc. /s/ Jay G. Goldman 08/14/2026 Jay G. Goldman /s/ Jay G. Goldman 08/14/2026