X0202 SCHEDULE 13G/A 0001345929-26-000003 0001345929 XXXXXXXX LIVE 3 Class A common stock, par value $0.0001 per share 03/31/2026 0002065708 Andersen Group Inc. 033853102 333 BUSH ST STE 1700 SAN FRANCISCO CA 94104 Rule 13d-1(b) BROWN ADVISORY INC MD 2154479 0 0 2516555 2516555 N 19.89 HC BROWN INVESTMENT ADVISORY & TRUST CO MD 13139 0 0 13139 13139 N 0.1 BK BROWN ADVISORY LLC MD 2132576 0 0 2494652 2494652 N 19.72 IA SIGNATURE FINANCIAL MANAGEMENT, INC. VA 1185 0 0 1185 1185 N 0.01 IA BROWN ADVISORY LTD X0 7579 0 0 7579 7579 N 0.06 IA Andersen Group Inc. 333 BUSH ST STE 1700, SAN FRANCISCO, CALIFORNIA 94104 BROWN ADVISORY INC BROWN INVESTMENT ADVISORY & TRUST CO BROWN ADVISORY LLC SIGNATURE FINANCIAL MANAGEMENT, INC. BROWN ADVISORY LTD 901 SOUTH BOND STREET SUITE #400 Baltimore, Maryland 21231 BROWN ADVISORY INC - MARYLAND BROWN INVESTMENT ADVISORY & TRUST CO - MARYLAND BROWN ADVISORY LLC - MARYLAND SIGNATURE FINANCIAL MANAGEMENT, INC. - VIRGINIA BROWN ADVISORY LTD - UNITED KINGDOM N BK IA HC 2516555 19.89 BROWN ADVISORY INC - 2,154,479 BROWN INVESTMENT ADVISORY & TRUST CO - 13,139 BROWN ADVISORY LLC - 2,132,576 SIGNATURE FINANCIAL MANAGEMENT, INC. - 1,185 BROWN ADVISORY LTD - 7,579 BROWN ADVISORY INC - 0 BROWN INVESTMENT ADVISORY & TRUST CO - 0 BROWN ADVISORY LLC - 0 SIGNATURE FINANCIAL MANAGEMENT, INC. - 0 BROWN ADVISORY LTD - 0 BROWN ADVISORY INC - 0 BROWN INVESTMENT ADVISORY & TRUST CO - 0 BROWN ADVISORY LLC - 0 SIGNATURE FINANCIAL MANAGEMENT, INC. - 0 BROWN ADVISORY LTD - 0 BROWN ADVISORY INC - 2,516,555 BROWN INVESTMENT ADVISORY & TRUST CO - 13,139 BROWN ADVISORY LLC - 2,494,652 SIGNATURE FINANCIAL MANAGEMENT, INC. - 1,185 BROWN ADVISORY LTD - 7,579 Y N The total securities being reported are beneficially owned by investment companies and other managed accounts of direct/indirect subsidiaries of BROWN ADVISORY INC (listed above). These subsidiaries may be deemed to be beneficial owners of the reported securities because applicable investment advisory contracts provide voting and/or investment power over securities. N BROWN ADVISORY INC is a parent holding company filing this schedule on behalf of the following subsidiaries pursuant to Rule 13d-1(b)(1)(ii)(G) under the Securities Exchange Act of 1934: BROWN INVESTMENT ADVISORY & TRUST CO - BK (Bank) BROWN ADVISORY LLC - IA (Investment Adviser) SIGNATURE FINANCIAL MANAGEMENT, INC. - IA (Investment Adviser) BROWN ADVISORY LTD - IA (Investment Adviser) 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. BROWN ADVISORY INC Victor Fernandez 05/15/2026 BROWN INVESTMENT ADVISORY & TRUST CO Victor Fernandez 05/15/2026 BROWN ADVISORY LLC Victor Fernandez 05/15/2026 SIGNATURE FINANCIAL MANAGEMENT, INC. Victor Fernandez 05/15/2026 BROWN ADVISORY LTD Victor Fernandez 05/15/2026