Form 4 Filing for Andersen Group Inc. - Insider Transaction

This filing details a transaction by Ronald L. Olson, a director at Andersen Group Inc., on December 18, 2025. Mr. Olson acquired 7,896 shares of Class A Common Stock at a price of $16.00 per share through a directed share program in connection with the company's initial public offering. Following this transaction, Mr. Olson directly owns 7,896 shares of Class A Common Stock. The filing was signed by William Deckelman as Attorney-in-Fact on December 22, 2025.