Gunderson Dettmer Advises Andersen Group on Underwritten Secondary Offering

Gunderson Dettmer represented Andersen Group Inc. (NYSE: ANDG), a leading independent provider of tax, valuation and financial advisory services, in an underwritten offering of 4,927,125 shares by certain selling stockholders, at a public offering price of $44 per share. The offering raised $216.8 million in gross proceeds for the selling stockholders, before deducting underwriting discounts and commissions and other offering expenses. 

The offering follows Gunderson’s representation of Andersen in its $202.4 million initial public offering in December 2025.

Baird, Truist Securities and UBS Investment Bank acted as lead book-running managers and William Blair acted as additional book-running manager for the offering.

The Gunderson deal team was led by corporate partner Richard Hesp and Public Companies/Public Offerings partners Alexa Belonick and Elena Vespoli, and included corporate partner Jay Hachigian, Public Companies/Public Offerings partner Jeff Vetter, Public Companies/Public Offerings associates Max Noreng and Hannah Pastore, corporate associates Wesley Sheker and Tyler Vandre, tax partner Jaime Narayan, and senior paralegal Scott Paraker.