Andersen Group Inc.

ANDG·NYSE·$38.31Share Price as of 11/2·$4BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/12/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202503/27/26

Disclosures

8-KCurrent report10/15/26 8-KCurrent report10/14/26 8-KCurrent report08/12/26 8-KCurrent report06/29/26 8-KCurrent report06/23/26

Prospectuses and Registrations

424B4Prospectus08/20/26 S-1Registration statement (IPO)08/17/26 424B4Prospectus12/17/25 S-8Registration of securities for employees12/16/25 S-1/ARegistration statement (amended)12/08/25

Proxies

DEF 14ADefinitive proxy04/30/26 DEFA14AAdditional proxy materials04/30/26

Ownership

SC 13G/ABeneficial ownership (amended)10/29/26 SC 13G/ABeneficial ownership (amended)10/07/26 SC 13G/ABeneficial ownership (amended)08/14/26 SC 13G/ABeneficial ownership (amended)08/14/26 SC 13GBeneficial ownership08/13/26

Other

EFFECTRequest for effectiveness08/19/26 DRSDRS07/15/26 ARSAnnual report to shareholders04/30/26 EFFECTRequest for effectiveness12/16/25 CERTCEO/CFO certification12/15/25