Executive Chairman Adam R. Craig Acquires Additional Shares in X4 Pharmaceuticals

On October 23, 2025, Adam R. Craig, the Executive Chairman of X4 Pharmaceuticals, Inc., acquired 86,206 shares of the company's common stock at a price of $2.90 per share. This transaction was part of the company's public offering. Following this acquisition, Craig's total holdings in X4 Pharmaceuticals increased to 376,087 shares. The shares were acquired directly, as indicated by the ownership nature code 'D'. This filing provides transparency into the transactions of key executives and their holdings in the company.