Meta filed a preliminary prospectus supplement with the U.S. Securities and Exchange Commission on November 3, 2026 for five series of U.S.-dollar senior unsecured notes, adding another debt component to the financing plan supporting its AI infrastructure expansion. The preliminary document leaves principal amounts, interest rates and maturity dates blank, so it does not establish the size or cost of the borrowing. Meta intends to use the net proceeds for general corporate purposes. Citigroup…