Nicolai John's Purchase of Andur Group Inc. Class A Common Stock

Nicolai John, a director at Andersen Group Inc., acquired 9,475 shares of Class A Common Stock on December 18, 2025, for $16.00 per share. This purchase was made through a directed share program in connection with the company's initial public offering. Following this transaction, Mr. John directly owns 9,475 shares of Class A Common Stock. The transaction was reported on Form 4, filed on December 22, 2025.